Wireless
Terminology Glossary
1G
First Generation wireless technology. Based
on analog or AMPS technology, 1G wireless networks were designed
to carry voice traffic only.
1X - a.k.a. CDMA2000
1X, 1XRTT
Third Generation wireless technology that offers
enhanced voice and data capacity and higher data rates than previous,
second generation wireless technologies. 1X is an evolution of cdmaOne®.
2G
Second Generation wireless technology. Based
on digital technology, 2G wireless networks offer increased voice
quality and capacity over 1G systems. 2G systems traditionally supported
voice and circuit-switched data service. 2G systems are being replaced
today by 2.5G and 3G networks.
2.5G
Based on digital technology, adding 2.5G wireless
technology to a 2G network provides packet-data service and improved
data rates. 2.5G technology has been implemented as GPRS.
3DES
Triple Data Encryption Standard. A private
key symmetric cryptographic algorithm, that protects computer data
by encoding (converting) the data three times for greater security.
3DES was issued as a Federal Information Processing Standard and
is an updated version of DES.
3G
Third Generation wireless technology. Based
on digital technology, 3G wireless networks offer increased voice
capacity and provide higher data rates than 2G and 2.5G networks.
As defined by the International Telecommunications Union (ITU),
3G technology has been or will be implemented as CDMA2000, CDMA2000
1xEV-DO, WCDMA/UMTS and HSDPA/HSUPA.
Visit: www.3gtoday.com
3GPP
Third Generation Partnership Project, the standards
body that oversees WCDMA.
3GPP2
Third Generation Partnership Project 2, the
standards body that oversees CDMA2000.
4GV™
Fourth-Generation Vocoder™. QUALCOMM's voice
codec suite that enables operators to prioritize voice quality and
network capacity. Can be used to improve delay-sensitive applications
such as VoIP (voice over Internet protocol).
802.11 - a.k.a.
Wi-Fi
802.11 refers to the body of standards issued
by the IEEE for WLANs (wireless local area networks). 802.11 technologies
use an over-the-air interface to connect a device (for example,
a Wi-Fi-enabled laptop) and an access point to another network.
The 802.11 family of technologies includes 802.11a, 802.11b, 802.11g
and 802.11n.
Visit: www.ieee.org
A
Access Point
A network device, or communication hub, that
connects wireless devices to a wired local area network (LAN).
AES
Advanced Encryption Standard. A standard
for encryption intended to replace the DES (Data Encryption Standard).
AES supports key lengths ranging from 128 to 256 bits.
A-GPS
Assisted-Global Positioning System. A technology
used to determine an end-user's position in urban areas or dense
outdoor environments. Differs from traditional GPS by adding an
assistance server, which shares tasks with the A-GPS receiver
to expedite position location. Commonly associated with location-based
services (LBS).
Air Interface
The radio frequency portion of the circuit
("connection") between the cellular handset or wireless modem
and the active base station (cell tower).
Aircard®
A wireless modem that can be used in a laptop
or other mobile computing device to connect to the Internet. Aircard
has become synonymous with wireless wide area network (WWAN) card,
PCMCIA card and wireless PC card and is a registered trademark
of Sierra Wireless.
AMPS
Advanced Mobile Phone Service. The first
analog cellular phone system commercially deployed in the 1980s.
Analog
In telecommunications, an early wireless
network technology involving the modulation of radio signals,
which transmit information as sound waves over radio signals allowing
one call per channel. Most wireless transmission is now done digitally.
ANSI
The American National Standards Institute.
A standards-setting, non-governmental organization that develops
and publishes standards for transmission codes and protocols for
use in the United States. ANSI serves as the official U.S. member
body to the world's leading standards bodies, including the International
Organization for Standardization (ISO).
Visit: www.ansi.org
API
Application Programming Interface. A set
of standard methods or functions that application programs can
use to access a particular set of services or tools, such as network
services and program-to-program commands. For example, BREW®
provides a set of APIs for the development of applications for
wireless devices.
Visit: www.qualcomm.com/brew
ARPU
Average Revenue Per User. The monthly revenue
generated by a consumer's wireless device usage. ARPU is commonly
used by wireless network operators and telecommunications/wireless
analysts to estimate ROI (return on investment) measures for investments
in network infrastructure and end-user services.
Asymmetric Encryption -
a.k.a. Public Key Encryption
A method of securing data for transmission
that equips each user with two keys, a private key and a public
key. Each individual uses the other's public key to encrypt the
data that is sent and then each individual uses their own private
key to decrypt the data received. A trusted third party often
provides keys.
Asynchronous
Communication signals that do not rely on
a shared timing mechanism to transmit and receive information.
Examples are GSM and WCDMA networ
B
Backhaul
Refers to transporting data or voice between
the wireless network and the PDSN (packed data serving node,
in wireless communications), or between the wireless network
and the Internet (in a wireless local area network implementation).
Band
In wireless communications, a frequency
or contiguous range of frequencies.
Bandwidth
In wireless communications, the width or
capacity of a communications channel. Analog bandwidth is measured
in hertz (Hz). Digital bandwidth is the volume of data that
a channel can carry and is measured in bits per second (bps).
Base Station
Often called a cell tower or a cell site,
a base station is a transmitter/receiver location that establishes
radio links between the wireless system and the wireless device.
The base station includes an antenna tower, transmission radios
and radio controllers. Each geographic area in a cellular network
requires a base station.
BCMCS
Broadcast Multicast Service. A standard
being developed for third-generation (3G) cellular networks.
Provides transmission of multimedia data from a single source
to all subscribers in a specific area. Examples of multicast
content could include video and movie clips, news, sports or
stock quotes.
Blackberry®
A mobile device that supports wireless
voice and data capabilities, including email, Web browsing,
and contact and task management applications. A wireless service
that provides data transmission service is required. Blackberry
is a product name of Research in Motion (RIM).
Bluetooth™
A short-range wireless technology that
interconnects devices such as phones, computers, keyboards,
microphones and mice. Bluetooth supports both voice and data
communications.
bps
Bits Per Second. The standard for measuring
the smallest unit of information in digital communications and
data processing.
BREW® client
The handset client component of the BREW
solution developed by QUALCOMM. An open, extensible client platform
that supports system and application software, including personalized
and branded user interfaces. Compatible with most wireless devices
and networks.
BREW Delivery System
A complete content delivery service from
QUALCOMM designed specifically for operators. Solves important
issues such as device fragmentation and consistent device experience
via devices featuring the BREW client.
BREW® SDK
Developed by QUALCOMM to enable software
developers to write applications for BREW devices. Provides
developers with general development and debugging tools, sample
applications with source code, user guides and testing tools.
BREW® solution
A family of QUALCOMM products and services
dedicated to enabling development and deployment of wireless
data applications and services. Consists of an open, extensible
client platform, support for personalized and branded user interfaces,
and a J2EE™-based, modular delivery system.
Visit: www.qualcomm.com/brew
Broadband
Generic term for high-speed digital Internet
connections, such as wireline, DSL or cable modems and wireless
third-generation technologies, such as WCDMA (UMTS), CDMA2000
1xEV-DO and HSDPA.
BSC
Base Station Controller. A component of
a base station, the BSC supervises the functioning and control
of multiple base transceiver stations and acts as a small switch.
BTS
Base Transceiver Station. Includes the
electronic equipment and the antenna that comprises a PCS (personal
communications services) facility or single base station.
C
CAPEX
Capital Expenditure. An expenditure connected
to acquiring or upgrading physical assets such as equipment,
property or buildings.
Carrier
In wireless communications, an electromagnetic
pulse or radio wave transmitted at a steady base frequency.
Used to transmit radio signals to a radio receiver. Also commonly
used to refer to a wireless network operator or service provider
that provides mobile telecommunications services.
CCD
Charge coupled device. A light-sensitive
chip or image sensor used in scanners and digital cameras
that converts light into proportional (analog) electrical
currents. The AD converter converts analogue signals into
pixel values.
CDG
CDMA Development Group. An international
consortium of companies working together to lead the adoption
and evolution of CDMA-based wireless systems around the world.
Visit: www.cdg.org
CDMA
Code Division Multiple Access. A digital
wireless technology that works by converting analog information,
such as speech, into digital information, which is then transmitted
as a radio signal over a wireless network. CDMA uses spread-spectrum
technology, decreasing potential interference while achieving
privacy. CDMA technology is the basis for third-generation
(3G) wireless technologies which offer increased voice capacity
and provide higher data rates than 2G and 2.5G networks.
CDMA2000® - a.k.a. IS-2000
CDMA2000 (also known as CDMA2000 1X)
is a family of 3G wireless standards that offers enhanced
voice and data capacity and higher data rates than previous,
second generation wireless standards. The CDMA2000 family
of standards include CDMA2000 1X and CDMA2000 1xEV-DO. CDMA2000
is a direct evolution of the cdmaOne® standard.
CDMA2000 1X -
a.k.a. 1X, 1XRTT, CDMA2000
A family of third-generation (3G) wireless
standards that offers enhanced voice and data capacity and
higher data rates than previous, second-generation wireless
standards. The CDMA2000 family of standards includes CDMA2000
1X and CDMA2000 1xEV-DO. CDMA2000 is a direct evolution of
cdmaOne®.
CDMA2000 1xEV-DO -
a.k.a. EV-DO, DO
CDMA2000 1X Evolution - Data Optimized.
Third-generation wireless technology that offers broadband
data speeds to support applications such as VPN access, video
downloads and large file transfers. CDMA2000 1xEV-DO is a
direct evolution of CDMA2000 1X.
CDMA2000 1xEV-DV
CDMA2000 1X Evolution Data and Voice.
Third-generation wireless technology that supports high-speed
voice and data on the same channel. Enables Internet connectivity
for cellular phones, PDAs and other mobile devices.
cdmaOne®
A brand name, trademarked and reserved
for the exclusive use of the CDMA Development Group (CDG)
member companies. cdmaOne was the coined term for QUALCOMM's
original CDMA systems based on the IS-95A and IS-95B standards,
which made use of 1.25 MHz channels to deliver voice and data.
CDPD
Cellular Digital Packet Data. An add-on
technology that enables first-generation (1G) analog systems
to provide packet data. Today, 2.5G and 3G systems are replacing
CDPD.
Cell
The geographic area encompassing the
signal range from one base station. Wireless networks are
comprised of many overlapping cells to efficiently use radio
spectrum for wireless transmissions.
Cell Site
A fixed transmitter/receiver location,
also known as a base station or a cell tower, which establishes
communications between a wireless system and a wireless device
using radio links. The cell site includes an antenna tower,
transmission radios and radio controllers.
Cell Tower
A fixed transmitter/receiver location,
also known as a base station or a cell site, which establishes
communications between a wireless system and a wireless device
using radio links. The cell tower includes an antenna tower,
transmission radios and radio controllers.
Cellular
Analog or digital communications that
provide a consumer with a wireless connection from the mobile
device to a relatively nearby transmitter (base station).
The transmitter's coverage area is called a cell.
Channel
The amount of wireless spectrum occupied
by a specific technology implementation. For cellular communications,
there is a transmit side and a receive side. For example,
a 5 MHz channel uses 5 MHz to transmit and 5 MHz to receive,
using a total of 10 MHz of wireless spectrum.
Circuit-Switched Network
Networks that temporarily establish a
physical circuit "connection" and keep that circuit reserved
for the user until a disconnect signal is received. A dial-up
modem is an example of a circuit-switched connection. In contrast,
a packed-switched network are connectionless or "always on,"
eliminating the need to initiate a connection for data transfer.
Clipcast™
QUALCOMM's name for short-format video
content for wireless devices. Supported by QUALCOMM's MediaFLO™
System.
CMX™
Compact Media Extensions™. QUALCOMM's
multimedia software that enables developers to create cost-effective,
customized ringtones and screensavers. CMX enables time-synchronization
of MIDI-based music, text, graphics, animation and voice.
Visit: http://www.cdmatech.com
CompactFlash Card
One of a variety of small removable flash
memory cards used in mobile devices to provide additional
storage capacity.
Convergence Platform
QUALCOMM's platform of Mobile Station
Modem™ (MSM™) chipsets with dual processors to enable the
processing speeds necessary to converge wireless with consumer
electronics devices. Supports higher-speed wireless data services
such as real-time interactive gaming and higher-resolution
digital camera functionality.
Coverage Area
Geographic area served by a cellular
system in which service is available to wireless users.
COW
Cell on Wheels. A complete mobile base
station used to provide cellular coverage where coverage is
unavailable. Often used to enhance coverage for special events
or as a temporary backup service.
CRM
Customer Relationship Management. An
integrated information management system that is used to plan,
schedule and control the pre- and post-sales activities within
an organization to improve customer tracking and communication.
Enterprises can wirelessly extend their CRM solutions, enabling
sales professionals to remotely access timely customer data
for increased productivity and improved customer service.
D
deliveryOne™
A suite of server-based content delivery
products developed by QUALCOMM. Provides operators with
varied solutions for delivering wireless data content and
custom user interfaces. Includes the BREW® Delivery System
(BDS) and the uiOne™ Delivery System (UDS).
DES
Data Encryption Standard. Protects
unclassified computer data using a 56-bit, private key,
symmetric cryptographic algorithm; issued as a Federal Information
Processing Standard.
Digital
A form of transmission that transforms
analog signals, such as voice, into a series of electrical
or optical pulses that represent the binary digits 0 and
1. This numerical data is then converted into various forms
depending on the type of network, such as radio waves for
wireless transmission, electronic pulses for a wired network
or optical light waves for fiber optics. Digital networks
offer superior Quality of Service (QoS), secure transmission
and more bandwidth than analog lines.
DOT
Department of Telecommunications. The
India government body that covers policy, licensing, and
coordination of telegraphs, telephones, wireless, data,
facsimile and telematic communications.
Visit: www.dot.gov.in
Downlink -
a.k.a. Forward Link
The connection from the network to
the end-user communications device. In satellite communications,
also refers to the connection from a satellite to a terrestrial
receiver.
DRM
Digital Rights Management. Technology
for copyright protection of digital media, including ringtones,
music, graphics and video. Developed to prevent the illegal
distribution of purchased content over the Internet.
DSSS
Direct Sequence Spread Spectrum. A
spread spectrum technique used in radio transmission systems,
such as CDMA, wireless local area networks (WLAN) and some
personal communications services (PCS) systems. DSSS converts
a data stream into a stream of packets, which are then transmitted
over a wide range of frequencies using a "scattering" approach.
Dual Band
Functionality that allows a mobile
phone to transmit in two frequencies for wider coverage
area. For example, a mobile phone may be equipped to use
both the 800 MHz cellular and 1900 MHz PCS frequencies to
send and receive calls.
Dual Mode
Functionality that allows a mobile
phone to operate in two different modes for greater roaming
capabilities. For example, a mobile phone may be equipped
to support both CDMA2000 and WCDMA standards to send and
receive calls.
DVB-H
Digital Video Broadcasting - Handhelds.
A multicast technology standard specified by the DVB Project
for the multicast delivery of TV-like programming to wireless
devices. With DVB-H, one signal is sent from the base station
and received by all subscribing devices within range.
DVB Project
Digital Video Broadcasting Project.
A consortium of broadcasters, manufacturers, network operators,
software developers, regulatory bodies and others committed
to designing global standards for the delivery of digital
television and data services.
Visit: www.dvb.org
E
E911
Enhanced 911. A U.S. Government-mandated
capability that automatically provides the caller's geographic
location and wireless phone number to the 911 call center.
The goal of the FCC's wireless E911 rules is to improve
the effectiveness of wireless 911 service by providing
emergency dispatchers with location information to within
50 to 300 meters of the caller's exact location.
Visit: www.fcc.gov/911/enhanced
EDGE
Enhanced Data Rates for Global Evolution.
A software/hardware enhancement for existing GSM networks
designed to provide higher data rates to enhance the delivery
of multimedia and other broadband applications for wireless
devices.
Embedded
In wireless communications, used
to describe capabilities, such as Internet access, that
are contained within a device.
Encryption
In security, encryption is the ciphering
of data by applying an algorithm to plain text. Types
include Asymmetric, Symmetric and Public Key.
End-to-End Security
In wireless communications, safeguarding
information in a network by encryption to ensure secure
data transmission from the point of origin to the point
of destination.
Enhanced Multimedia Platform
QUALCOMM's platform of Mobile Station
Modem™ (MSM™) chipsets with increased processing power
to support faster, third-generation (3G) wireless multimedia.
Also supports larger, high-resolution screens for improved
viewing of multimedia features such as video-on-demand,
3D gaming and video telephony.
ERP
Enterprise Resource Planning. A business
management system that integrates all major facets of
a business, such as manufacturing, finance, sales and
human resources functions. ERP software links together
various back-office computer systems, including SFA (sales
force automation) and CRM (customer relationship management)
applications. ERP software typically incorporates heavy
use of telecommunications, including providing wireless
access to these systems to enable real-time information
requests.
F
FCC
Federal Communications Commission.
The U.S. government agency responsible for regulation
of the communications industry.
Visit: www.fcc.gov/aboutus.html
FFA
Field Force Automation. Information
technology solutions that help companies improve communication
with employees in the field. Wireless FFA solutions
increase productivity by enabling mobile employees to
remotely access centralized databases, finalize service
calls, update time/expense reports and schedule appointments.
FHSS
Frequency Hopping Spread Spectrum.
A technique used in radio transmission systems, such
as wireless local area networks (WLAN) and select mobile
networks. FHSS converts a data stream into a stream
of packets which are then sent in short bursts via transmitters
and receivers that move or “hop” from one frequency
to another.
Firewall
A combination of hardware and software
that protects a computer or group of computers from
an attack by an outside network or computer user. A
firewall enforces a boundary between two or more networks.
Flash Memory
A type of memory that can be erased
and reprogrammed (rewritten). Commonly used in mobile
phones, digital cameras, audio players and removable
memory cards, such as Memory Sticks or Secure Digital
(SD) Cards.
FLASH-OFDM®
Fast Low-latency Access with Seamless
Handoff Orthogonal Frequency Division Multiplexing.
An OFDMA implementation for high-speed mobile wireless
data. Delivers data rates comparable to wired broadband
services such as DSL and cable modems. FLASH-OFDM is
a product name of Flarion Technologies.
FLO™
Forward Link Only. An air interface
developed by QUALCOMM to support mobile multicast multimedia
services for wireless consumers; based on orthogonal
frequency division multiplexing (OFDM). Enables the
simultaneous delivery of TV- and radio-like programming
to many wireless devices; also supports IP datacasting.
FLO Forum
An organization of wireless industry
leaders committed to advancing the global standardization
of FLO™ technology. Oversees the evolution of the air
interface specification for FLO, promotes its standardization,
and manages compliance and certification benchmarks
for the technology.
Visit: www.floforum.org
Forward Link -
a.k.a. Downlink
The connection from the network
to the end-user communications device. In satellite
communications, also refers to the connection from a
satellite to a terrestrial receiver.
FOMA
NTT DoCoMo's WCDMA-compliant 3G
network. Supports high-volume, high-speed wireless data
transmission to enable multimedia services such as videophone
and video mail.
FPS
In video, frames per second.
Frame Relay
Uses a form of packet-switching
and multiplexes data. A frame relay network is able
to accommodate data packets of various sizes associated
with virtually any native data protocol. An access standard
defined by the ITU.
See Also: Packet-Switched
Network, ITU
Frequency
The rate at which an electromagnetic
waveform alternates. Usually measured in hertz (Hz)
or megahertz (MHz).
G
GAIT
GSM ANSI-136 Interoperability
Team. A wireless standard that enables GSM and TDMA
networks to interoperate. Requires special handsets
(often called "GAIT phones") and used in conjunction
with GAIT networking.
Gateway
A network point that acts as
an entrance to another network.
GB
Gigabyte. A measure of computer
data storage capacity. Measured as approximately a
billion bytes or 1,073,741,824 in decimal notation.
GHz
Gigahertz. A measure of frequency
equal to a billion hertz or a thousand megahertz (MHz).
Gigahertz is often used to measure UHF (ultra-high
frequency) or to express microprocessor clock speed
in some computers.
Gold Multicast
Technology developed by QUALCOMM
that enables clipcasting or multicasting of multimedia
content to a group of wireless subscribers. Based
on the BCMCS standard, Gold Multicast is a software
upgrade for existing CDMA2000® 1xEV-DO Rel. 0 networks.
GPRS
General Packet Radio Service.
A 2.5G technology standard that is an upgrade to a
GSM network. Adds packet data to the existing voice
network.
GPS
Global Positioning System. A
worldwide radio-navigation system developed by the
U.S. Department of Defense to enable users to determine
their exact location anywhere on the globe from land,
air or sea. GPS works via radio signals sent from
orbiting satellites to receivers on the ground. GPS
receivers are used in a wide range of commercial applications
from fleet management to rural navigation.
gpsOne®
An assisted-GPS (A-GPS) position-location
technology developed by QUALCOMM. Integrates data
from both wireless network base stations and GPS satellites
for a highly-accurate location description. Enables
location-based services for wireless devices that
work in all types of terrains and dense metropolitan
areas. A component of the Launchpad™ Suite.
Visit: www.snaptrack.com
Groupware
A category of enterprise software
that allows employees to work more collaboratively.
Groupware includes email and PIM (personal information
management) functionality such as calendar, to-do
lists and contact information; and allows employees
to share data. Examples include Microsoft® Exchange/Microsoft
Outlook® and Lotus® Domino/Lotus Notes.
GSM
Global System for Mobile Communications.
A second-generation wireless telecommunications standard
for digital cellular services first deployed in Europe.
GSM is based on TDMA technology and provides circuit-switched
data connections.
GUI
Graphical User Interface. The
interface that allows the user to interact with a
particular device, such as a wireless phone or personal
computer. Elements include pull-down menus, buttons,
scroll bars, iconic images, windows and help wizards.
Sometimes pronounced "gooey".
H
H.263
A video compression standard
developed by the International Telecommunications
Union (ITU) for transmitting video over limited
bandwidth connections, such as mobile networks.
Supports only the visual portion of the video stream;
the audio portion is handled separately.
H.264 -
a.k.a. MPEG-4 AVC
A high-compression, digital
video standard that offers greater compression than
previous standards. Considered an option for transmitting
full-motion video over wireless and Internet connections.
Jointly developed by the International Telecommunications
Union (ITU) and the ISO Moving Picture Experts Group
(MPEG).
Handoff
The process, invisible to the
user, of transferring a cellular phone conversation
from one base station (cell tower) to another without
interruption to the call. There are two types of
handoffs: hard and soft.
Handset
A wireless device that contains
a transmitter and receiver. Also known as a cellphone
or mobile phone.
Hard Handoff
A handoff is the process, invisible
to the user, of transferring a cellular phone conversation
from one base station (cell tower) to another without
interruption to the call. Hard handoffs require
that the connection of a cellular phone call be
broken in the original base station before the connection
can be made in the next base station. A hard handoff
may result in a dropped call.
Hertz
The international unit for
measuring frequency, equivalent to cycles per second.
One megahertz (MHz) is one million mertz. One gigahertz
(GHz) is one billion hertz.
Hot Spot
A location, such as a coffee
shop, airport or bookstore, where a consumer can
establish a WLAN (wireless local area network) or
Wi-Fi connection. Hot spots provide a wireless access
point for the user and limited coverage (approximately
100 feet), depending on the location.
HSDPA
High-Speed Downlink Packet
Access. An enhancement to WCDMA networks that provides
higher data speeds in the downlink to support applications
such as VPN access, video downloads and large file
transfers.
HSUPA
High-Speed Uplink Packet Access.
An enhancement to WCDMA networks that provides higher
data speeds in the uplink to support applications
such as VPN access and large file transfers.
I
iDEN®
Integrated Dispatch Enhance
Network. A proprietary technology from Motorola
based on the TDMA standard that allows users to
access phone calls, two-way radio transmissions,
paging and data from one wireless device. Nextel
Communications® uses iDEN technology as the basis
for its networks.
IEEE
Institute of Electrical and
Electronics Engineers. A standards body responsible
for developing computing and electronics standards.
The IEEE developed 802.11 standards for WLANs
(wireless local area networks) that are widely
followed today.
Visit: www.ieee.org
IETF
Internet Engineering Task
Force. The body that defines standard Internet
operating protocols such as TCP/IP.
IM
Instant Messaging. Instant,
real-time, text-based communication between two
or more people over a network such as the Internet.
iMoD™
Interferometric Modulator.
QUALCOMM's low-power technology for flat panel
displays for mobile devices. Combines ultra-thin
film optics with a micro-electro mechanical system
(MEMS) device to create displays viewable in any
lighting condition.
i-mode
Internet Mode. A proprietary
cell phone service based on cHTML technology developed
by Japan's NTT DoCoMo. i-mode supports Web content
and services, such as mobile banking, email and
news reporting for cellular phones.
IMS
IP Multimedia Subsystem.
An open industry standard for voice and multimedia
communications over packet-based IP networks.
Supports technologies such as IM (instant messaging),
VoIP (voice over Internet protocol), push to talk
(PTT) and video calling.
IMT-2000
International Mobile Telecommunications
for the Year 2000. A set of ITU specifications
for third-generation wireless networks comprised
of five wireless standards including CDMA2000
and WCDMA.
Visit: www.itu.int/home
Intellectual Property
- a.k.a. IP
Intellectual Property. Refers
to property rights created through intellectual
and/or discovery efforts of a creator that can
generally be protected under patent, trademark,
copyright, trade secret, trade dress or other
law. Also commonly used as an abbreviation for
Internet Protocol.
Internet Protocol -
a.k.a. IP
Internet Protocol. The method
of sending data from one computer to another on
the Internet. IP is part of the TCP/IP protocol
and is an integral component of the Internet.
Also commonly used as an abbreviation for Intellectual
Property.
IP Datacasting
Simultaneous transmission
of content from a single source to a large number
of wireless subscribers. Usually refers to the
delivery of a wide variety of TV-like programming
to wireless devices, and can also include IP-based
content such as games or video and audio files.
IPR
Intellectual Property Rights.
IPsec
Internet Protocol Security.
A collection of protocols for secure exchange
of packets at the internet protocol (IP) layer.
IPsec supports two encryption modes: Transport
mode encrypts only the data portion of each packet;
Tunnel mode encrypts the data portion and header
of each packet.
IS-41 -
a.k.a. ANSI 41
The network standard used
by AMPS, CDMA and TDMA networks. The basis of
the core network for CDMA2000.
IS-95 A/B -
a.k.a. ANSI 95 A/B
Interim Standard 95. The
interim standard for CDMA-based cellular networks.
IS-136 -
a.k.a. ANSI 136
Interim Standard 136. The
Interim Standard for TDMA in the U.S.
IS-2000
Interim Standard 2000. The
interim standard for CDMA2000, the third-generation
(3G) wireless mobile standard for CDMA2000-based
cellular networks.
ISO
International Organization
for Standardization. Chartered by the United Nations,
ISO was formed to define and promote the development
of various international standards.
Visit: www.iso.org
ITU
International Telecommunications
Union. An agency of the United Nations with the
goal of establishing telecommunication standards.
Visit: www.itu.int/home
J
Java™
A programming language
developed by Sun Microsystems for creating and
running software programs on a single computer
and in networked environments, such as the Internet.
Java programs are portable and can be run anywhere
in a network that has a Java virtual machine
(JVM).
JPEG
A standard file format
for image compression, typically for photographic
images. Commonly used to store and transmit
photographs over the Internet. The most common
file extensions for this format are .jpg or
.jpeg.
JVM
Java™ Virtual Machine.
Interprets compiled Java code for a computer's
processor so it can execute a Java program's
instructions.
K
KB
Kilobyte. A measure of
computer memory or storage. Measured as 1,024
bytes in decimal notation.
Kbps
Kilobits per second.
Commonly used as a speed for data transmission.
Measured as 1,000 bits per second.
KCC
Korea Communications
Commission. Responsible for developing and
enforcing policies which promote fair competition
in the telecommunications marketplace.
Visit: http://www.kcc.go.kr/
Kilohertz (KHz)
One thousand hertz. A
measurement often used to reference radio
frequencies.
See Also: Hertz
L
L2TP
Layer 2 Tunneling Protocol.
A tunneling protocol that enables the operation
of a virtual private network (VPN) over
the Internet.
LAN
Local Area Network.
A small communication network covering a
limited area, such as within a building
or group of buildings.
Last Mile
Commonly used in telecommunications
to refer to the final delivery of communications
connectivity between the network and the
end user’s point of access (home or business).
Launchpad™ Suite
QUALCOMM's suite of
integrated technologies that enable advanced
multimedia, connectivity, position location,
user interface, removable storage capabilities
and many other capabilities. The Launchpad
suite is integrated into QUALCOMM's MSM™
chipset and software solutions.
LBS
Location Based Services.
Enables operators to offer personalized
services based on the user's location. Examples
of LBS include regional map information
for real estate agents and asset tracking
solutions for service representatives at
logistics and transportation companies.
LCD
Liquid crystal display.
A thin, flat display screen consisting of
numerous color or monochrome pixels arranged
in front of a light source. LCDs are used
in many mobile and other battery-powered
electronic devices because of relatively
low energy requirements and easy readability.
M
MB
Megabyte. A measure
of computer processor storage and real
and virtual memory. Measured as 1,048,576
bytes in decimal notation.
MBMS
Multimedia Broadcasting
Multicasting Service. Enables one source
to simultaneously send data, such as video
or audio programming, to multiple users
who subscribe to the service.
Mbps
Megabits per second.
Measured as one million bits per second.
A measurement of the amount of data transferred
in one second between two telecommunication
points.
Mediacast
Occassionally used
to refer to the multicast delivery of
a wide variety of TV-like programming
to wireless devices.
MediaFLO™ MDS
MediaFLO Media Distribution
System. QUALCOMM's client-server solution
that works in conjunction with FLO™ technology.
Includes the tools to collect and manage
content, bundle subscription packages,
and merchandize and securely distribute
content to wireless subscribers.
MediaFLO™ System
QUALCOMM's end-to-end
solution for delivering real-time media
programming in a wireless environment.
The MediaFLO system has two components:
the FLO™ technology and the MediaFLO Media
Distribution System (MDS).
MEMS
Micro-Electro Mechanical
Systems. A technology that combines computers
with tiny mechanical devices (such as
sensors, valves or gears) for integration
with integrated circuits. MEMS devices
refer to mechanical components that are
one micrometer (one millionth of a meter)
in size.
MHz
Megahertz. One million
hertz or cycles per second. A measurement
often used to describe the speed of digital
and analog signals.
MIC
Ministry of Information
and Communication. The Korean government
agency responsible for promoting Korea's
information technology.
Visit: http://www.mic.go.kr/eng/index.jsp
Microbrowser
A Web browser specialized
for a wireless phone, smartphone or PDA
optimized to run in the low-memory and
small-screen environment of a handheld
device.
Middleware
A type of software
that connects or "glues together" two
or more otherwise separate types of software
and translates information between them.
For example, middleware is used to allow
access between two different databases
on a network.
MII
Ministry of Information
Industry. The Chinese government agency
responsible for formulating China's information
industry policies and strategic development.
MIMO
Multiple Input, Multiple
Output. In wireless communications, an
antenna technology that uses multiple
antennas at the source (transmitter) and
the destination (receiver). Antennas at
each end are combined to reduce errors
and improve data speed. Can be used in
conjunction with OFDM.
MMS
Multimedia Messaging
Service. Allows wireless device users
to send multimedia, such as video or digital
photos, from one device to another.
MPEG-3 -
a.k.a. MP3
Moving Picture Experts
Group-3. A standard for compressing audio
into a compact file without losing a significant
amount of its quality. Used for the mobile
transmission and storage of audio files.
MPEG-4 -
a.k.a. MP4
Moving Picture Experts
Group-4. A standard for compressing video
into a compact file without losing a significant
amount of its quality. Used for the transmission
and storage of images and video clips.
MSC
Mobile Switching
Center. A sophisticated telephone exchange
that provides mobility management services,
such as circuit-switched calling, and
coordination between base stations (cell
towers), networks and mobile users within
a network.
MSM™
Mobile Station Modem™.
QUALCOMM's wireless chipsets that enable
mobile devices and handsets. MSMs ship
with the Launchpad™ suite, an integrated
set of advanced functions and capabilities
such as multimedia, connectivity, position
location, user interface and removable
storage.
Multicast
Simultaneous transmission
of content from a single source to large
numbers of wireless subscribers. Usually
refers to the delivery of a wide variety
of TV-like programming to wireless devices.
Multimedia Platform
QUALCOMM's platform
of Mobile Station Modem™ (MSM™) chipsets
that promotes mainstream adoption of third-generation
(3G) wireless multimedia with system and
software solutions which enable video,
audio, gaming and location-based products
and services.
Multipath
The multiple paths
a radio wave may follow between transmitter
and receiver. In cellular communications,
refers to a radio signal reaching the
receiving antenna by two or more paths.
Multipath Fading
Interference during
wireless signal reception caused by the
deflection of a radio signal off obstacles
such as buildings, mountains and other
large obstructions.
N
Node
A point of connection
into a network. In packet-switched networks,
a node is one of the many packet switches
that form the network's backbone.
Node B
Denotes the base
transceiver station (BTS) in WCDMA technology.
The transmitter(s) and receiver(s) used
to communicate directly with wireless
devices.
O
OEL Display
Organic Electroluminescent
Display. A type of display technology
that enables very bright flat screens.
OEL displays are often used in small
portable devices because they do not
require a backlight, resulting in
a lower power draw.
OEM
Original Equipment
Manufactuer. The manufacture of a
device (often a consumer electronics
product) that is sold to another company
which in turn sells the device to
the end consumer under its own name.
OFDM
Orthogonal Frequency
Division Multiplexing. A wireless
communications technology and modulation
technique that divides available spectrum
into multiple radio frequency (RF)
channels. In OFDM, a single transmitter
transmits on many different, independent
frequencies, which typically results
in a signal with high resistance to
interference.
OFDMA
Orthogonal Frequency
Division Multiple Access. Wireless
technology based on OFDM that offers
forward- and reverse-link communications
and broadband data speeds to support
applications such as VPN access, video
downloads and large file transfers.
OMA
Open Mobile Alliance.
A standards body that develops open
standards for wireless information
and telephony services on digital
mobile phones and other wireless terminals.
Operating
System -
a.k.a. OS, O/S
Software that
manages the basic operations of a
computer system. Examples include
UNIX, Windows, Palm OS and Mac OS
X.
Operator
A wireless network
operator, also often referred to as
a carrier or service provider, that
provides mobile telecommunication
services.
OpEx
Operational Expenditure.
An expenditure connected to operating
a business, including R&D, sales and
marketing, and administrative costs.
OSI
Open Systems
Interconnection. A reference model
established by the ISO to provide
a network design framework that allows
equipment from different vendors to
be able to communicate.
P
Packet
A digital "package"
of data that enables efficient use
of radio spectrum and routing over
a network, such as the Internet
or wireless networks. Each packet
is numbered separately and includes
the Internet address of the destination.
Packet-Switched
Network
Networks that
transfer digital packets of data.
Packet-switched networks are connectionless
or “always on,” eliminating
the need to connect to a network
to send or receive data. In contrast,
circuit-switched networks require
a dedicated circuit, or connection,
for the duration of the data transmission.
Palm OS®
Palm® operating
system for handheld devices, including
PDAs and smartphones.
PC Card
A wireless
modem that can be used in a laptop
or other mobile computing device
to connect to the Internet. Synonymous
with PCMCIA card, WWAN (wireless
wide area network) card and Aircard®.
PCMCIA
Personal Computer
Memory Card International Association.
An international association that
standardizes credit-card sized wireless
modems which can be inserted into
laptops or other mobile computing
devices to connect to the Internet.
A Type II PC card is the most common
PCMCIA card.
PCS
Personal Communications
Services. Refers to the 1900 MHz
cellular frequency band. More commonly
used as a marketing term to describe
digital wireless services in the
Americas, regardless of the particular
frequency band being used.
PDA
Personal Digital
Assistant. A portable personal computing
device used for text messaging,
email, calendar, contacts and a
wide range of other applications.
PDC
Personal Digital
Cellular. The second-generation
TDMA-based wireless technology used
in Japan. PDC is incompatible with
other wireless networks.
PDSN
Packet Data
Serving Node. Refers to the routers
used in CDMA2000 wireless networks
that comprise the backbone of the
network.
PHY
Physical Layer.
Transmits raw bits of data by establishing
and terminating connections to a
networked communications resource.
Refers to network hardware, physical
cabling or a wireless connection.
Considered layer one of the seven-layer
OSI (Open Systems Interconnection)
model of data communications.
PIC
Pilot Interference
Cancellation. Increases the reverse
link capacity of CDMA-based technologies
by removing interference from the
pilot signal.
PIM
Personalized
Information Manager. Software for
keeping track of contact addresses
and phone numbers, appointments,
project schedules and task lists.
Sometimes called a contact manager.
Pixel
One of the
many tiny dots that represent a
picture in a computer’s memory.
Because pixels are so small and
so numerous, they appear as a smooth,
single image when displayed on paper
or a computer monitor. Pixels vary
in color and intensity.
Platinum
Multicast
Technology
developed by QUALCOMM that enables
the delivery of video and audio
programming to a large group of
wireless subscribers, with more
than three times the capacity of
Gold Multicast. A software upgrade
for CDMA2000® 1xEV-DO Rev. A networks.
PNG
Portable Network
Graphics. A file format for image
compression. A lossless format,
which maintains all image information
(such as number of pixels) when
the image is viewed. In contrast,
lossy formats such as JPEG may lose
image information when decompressed
for viewing.
Pocket PC®
A handheld
computer that runs the Microsoft
Pocket PC® operating system or Microsoft
Windows Mobile™ 2003 for the Pocket
PC. Typically includes features
such as word processing and spreadsheet
applications, handwriting recognition
and wireless Internet access.
POP
Persons of
Population. Refers to total population
coverage according to a wireless
service provider's license. In wireline
communications, POP means Point
of Presence, which is defined as
the connectivity point between two
networks.
POTS
Plain Old Telephone
Service. The basic wired telephone
line that supports standard single-line
telephones, telephone lines and
access to the PSTN (public switched
telephone network).
PPC
Pay Per Call.
In contrast to flat rates offered
by operators for monthly service
under a contract. Also a commonly
used abbreviation for the Pocket
PC.
PPP
Point-to-Point
Protocol. A protocol for communication
that allows two devices to transport
packets over a data connection,
such as a personal computer connected
by phone line to a server.
PPTP
Point-to-Point
Tunneling Protocol. A protocol for
communication that facilitates virtual
private networking to enable secure
remote access to corporate networks
via the Internet.
Protocol
Within the
context of data communications,
a specific set of rules related
to data transmission between two
devices. Protocols set standard
procedures that enable different
types of data devices to recognize
and communicate with each other.
PSTN
Public Switched
Telephone Network. Refers to the
local, long-distance and international
phone system. In the United States,
PSTN refers to the entire collection
of interconnected phone companies.
Q
QCELP®
An audio
file format supported by select
PureVoice® applications, which
is a component of the Launchpad™
Suite. Developed by QUALCOMM.
The file extension for this format
is .qcp.
QoS
Quality of
Service. A measure of network's
transmission reliability and efficiency.
QoS is commonly used by network
operators to indicate a higher
level of service guarantee to
customers.
R
R-UIM
-
a.k.a. CDMA SIM card
Removable
User Interface Module. A removable
card that can be inserted into
certain CDMA phones and other
mobile devices that makes global
roaming possible across CDMA
and GSM wireless networks. The
R-UIM card identifies the user’s
subscriber information, such
as handset number and wireless
features, and can also store
data, including telephone numbers
and addresses.
radioOne®
QUALCOMM's
family of radio frequency (RF)
devices with support for all
major air interfaces.
Rake
Receiver
A radio
receiver designed to counter
the effects of multipath fading;
commonly used in devices such
as mobile phones. Uses several
sub-receivers, each slightly
delayed, to tune into the individual
paths a radio wave follows (multipaths).
Each component is later combined
to effectively strengthen the
signal.
Receive
Diversity
A method
of using two separate handset-based
antennas to improve signal reception,
increase data rates and improve
network capacity. May also be
used when a single device supports
two different services, such
as GPS for location-based services
and CDMA for voice and data
transmission.
Reverse
Link -
a.k.a. Uplink
The connection
from the end-user communications
device to the network. In satellite
communications, also refers
to the connection from a terrestrial
transmitter to a satellite.
RF
Radio Frequency.
Measured in Hertz, MHz and GHz.
Wireless and cordless telephones,
radio and television broadcast
stations, satellite communications
systems and two-way radio services
all operate using radio frequencies.
RF CMOS
Radio Frequency
Complementary Metal-Oxide Semiconductor.
A low-cost, high-volume digital
process technology. CMOS-based
devices use minimal power and
don't produce as much heat as
other processing technologies.
Allows more functions, such
as the radio frequency (RF)
and baseband components, to
be integrated into a single
chip.
RFID
Radio Frequency
Identification. A method of
remotely retrieving data from
and storing data associated
with animals, people, products
or equipment. Requires an RFID
tag which contains an antenna
to enable the tag to send and
receive queries from an RFID
transceiver.
RFID
Tag
Radio Frequency
Identification Tag. A small
radio frequency device used
to identify and track people,
animals, commercial products
or corporate assets.
RNC
Radio Network
Controller. Equipment in third-generation
(3G) wireless networks that
interfaces with the core network,
controls the radio transmitters
and receivers in Node Bs, and
performs mobility functions.
Roaming
Refers
to a cellular subscriber using
mobile phone service while outside
of his/her service provider's
coverage area.
ROI
Return
On Investment. A financial performance
measure to determine the relative
attractiveness of a proposed
investment. ROI is typically
measured in dollars but can
also be measured by less quantifiable
benefits such as increased customer
satisfaction.
S
S-GPS
Simultaneous-Global
Positioning System. In telecommunications,
the simultaneous operation
of GPS location capabilities
and CDMA2000 voice calls.
SCM
Supply
Chain Management. The communications
link between a company and
its suppliers, distributors
and customers. Wireless SCM
solutions are deployed to
allow mobile access to the
Internet and private corporate
intranets to more efficiently
manage inventory.
SDK
Software
Development Kit. A set of
software tools, usually designed
for use with a particular
operating system, that enables
software developers to write
programs that will work on
the target operating system.
Service
Provider
A "carrier"
or "network operator" that
provides mobile telecommunication
services.
SFA
Sales
Force Automation. A system
that allows salespeople to
record account and contact
information, send form letters
and schedule future activities.
Wireless SFA solutions provide
mobile employees with access
to Web-based SFA databases
via the Internet.
SIM
Subscriber
Identity Module. A removable
card built into all GSM phones
and other mobile devices.
The SIM identifies the user's
subscriber information, such
as handset number and wireless
features, and can also store
data, including telephone
numbers and addresses.
SIP
Session
Initiation Protocol. A standard
protocol defined by the Internet
Engineering Task Force (IETF).
Used to initiate an interactive
multimedia user session such
as chat, video, voice or gaming.
Smartphone
A category
of mobile phones that supports
both wireless data and voice
capabilities. Smartphones
include enhanced software
and applications, including
operating systems such as
Palm OS and Windows Mobile.
In addition to telephone functionality,
features on a smartphone might
include email, Internet access
and remote access to corporate
databases.
SMIL
Synchronized
Multimedia Integration Language.
A programming language used
to easily define and synchronize
multimedia elements, such
as video, sound and still
images, for Internet usage.
Pronounced smile.
SMS
Short
Messaging Service. A store-and-forward
message service available
on many second-generation
and all third-generation wireless
networks that allows users
to send and receive short
text messages over wireless
devices.
Soft
Handoff
The process,
invisible to the user, of
transferring a cellular phone
conversation from one base
station (cell tower) to another
without interruption to the
call. There are two types
of handoffs: hard and soft.
Soft handoffs do not require
the original connection to
be broken when transferring
to an adjacent base station.
Spread
Spectrum
A method
of transmitting a radio frequency
(RF) signal by "spreading"
it over a broad range of frequencies.
This facilitates reduced interference
and increased capacity within
a particular radio frequency
band. CDMA technology is based
on spread spectrum.
SS7
Signaling
System 7. The protocol used
in public-switched telephone
systems for establishing calls
and providing services such
as 800 numbers, call forwarding,
caller ID and number portability.
SSL
Secure
Sockets Layer. A protocol
for managing the security
of message transmission on
the Internet, for example,
between a Web server and a
Web browser.
STN-LCD
Super
Twisted Nematic Liquid Crystal
Display. A low-power LCD flat-panel
display technology that requires
each pixel to be refreshed
many times per second, resulting
in low response times. Requires
less power and is less expensive
than TFT technology.
Subscriber
In wireless,
a user of a mobile telecommunication
service.
Symbian®
OS
An operating
system for smartphones licensed
by Symbian to handset manufacturers.
Symmetric
Encryption
A secure
method of converting data
for transmission that uses
the same cipher, or "key,"
to encrypt and decrypt the
message.
Synchronous
Communication
transmissions that are timed
by a clocking signal and occur
with equal time intervals
between them. An example is
the constant transmission
of time-sensitive data, such
as real-time voice.
T
TCO
Total
Cost of Ownership. A financial
measure commonly used by
enterprises to calculate
total relevant costs of
a particular project. TCO
includes the actual purchase
price or cost of implementation
plus relevant costs such
as administration, maintenance,
support, software and training.
TCP/IP
Transmission
Control Protocol/Internet
Protocol. A communications
protocol that has become
the de facto standard protocol
for the Internet. "TCP"
provides transport functions,
ensuring that the total
amount of data sent is correctly
received. "IP" provides
the routing mechanism, ensuring
the information reaches
the correct destination.
TD-SCDMA
Time
Division-Synchronous Code
Division Multiple Access.
A third-generation, (3G)
wireless standard that offers
enhanced voice and data
capacity and higher data
rates than previous second
generation wireless standards.
One of the three international
CDMA technology-based standards
accepted by the ITU for
third-generation wireless
communications.
TDD
Time
Division Duplexing. The
application of time-division
multiple access (TDMA) to
separate inbound and outbound
signals. Allows devices
to transmit and receive
on a single frequency at
different time intervals.
TDMA
Time
Division Multiple Access.
A second-generation, digital
wireless communication technology
that increases the amount
of data that can be delivered
by dividing each cellular
channel into time slots.
Wireless standards that
use TDMA technology include
GSM, PDC and iDEN.
Terminal
A device,
such as a laptop or cellphone,
used to access a network.
TFT
-
a.k.a. Active Matrix Display
Technology
Thin-Film
Transistor. The technology
used to make liquid crystal
display (LCD) display screens.
Commonly used in notebook
and laptop computers.
TIA
Telecommunications
Industry Association. A
U.S. trade association representing
the communications and information
technology industry. Responsible
for certain technical standards
covering both wireless and
wireline phone technology.
Tri-Mode
-
a.k.a. Triple Mode
Triple
Mode. Functionality that
allows a mobile phone to
transmit in three modes
for wider coverage area.
For example, a mobile phone
may be equipped to use analog,
800 MHz cellular and 1900
MHz PCS frequencies to make
and receive calls.
TV-Out
Standard
TV interface used to connect
a mobile device to a compatible
external device, such as
a television or computer.
Used to view images, watch
video or play games.
Two-Way
Paging -
a.k.a. Interactive Paging
The
ability to send and receive
data via the Internet by
way of a paging network.
U
uiOne™
Delivery System
A
solution developed by
QUALCOMM that delivers
themed and personalized
user experiences with
dynamic content to uiOne-enabled
devices. Can be integrated
into an operator's existing
content service offering.
uiOne™
offering
Part
of the suite of BREW products
and services. Enables
the development and deployment
of custom user interfaces
for wireless phones. Includes
the uiOne Toolkit, uiOne
SDK (software development
kit) and uiOne ART (applications,
resources and templates).
UMTS
-
a.k.a. WCDMA
Universal
Mobile Telecommunications
System. A third-generation
(3G), CDMA-based wireless
communication standard
that offers enhanced voice
and data capacity and
higher data rates than
previous, second generation
wireless technologies.
Unicast
The
transmission of content
from a single source to
a single receiver over
a network.
Uplink
-
a.k.a. Reverse Link
The
connection from the end-user
communications device
to the network. In satellite
communications, also refers
to the connection from
a terrestrial transmitter
to a satellite.
UTRAN
UMTS
Terrestrial Radio Access
Network. The Node Bs and
radio network controllers
that make up a UMTS network.
Enables connectivity between
the user equipment and
the core network.
UWB
Ultra
Wideband. A wireless technology
for transmitting large
amounts of digital data
over a wide spectrum of
frequency bands across
relatively short distances.
V
Value
Platform
QUALCOMM's
platform of Mobile Station
Modem™ (MSM™) chipsets
which enables affordable
wireless voice and data
services, including
basic color screens,
music, ringtones and
voice-recognition features.
Voice
Recognition
The
technology found on
some wireless phones,
PCs and other communication
devices that enables
the device to respond
to spoken commands.
VoIP
Voice
Over Internet Protocol.
The routing of voice
conversations, sent
as digital packets of
data, over the Internet
or other IP network.
VPN
Virtual
Private Network. A network
that is constructed
using public wires to
connect remote offices
or individual users
to their organizations’
network. VPNs use encryption
and other security mechanisms
to ensure network access
to authorized users.
VPNs are an essential
component of secure
wireless computing for
the enterprise.
W
WAN
Wide
Area Network. A geographically
dispersed telecommunications
network. A WAN may
be privately owned
or rented, but the
term usually refers
to a public network.
WAP
Wireless
Application Protocol.
A set of standards
that enables a wireless
device to browse content
from specially coded
Web pages over wireless
devices such as mobile
phones.
WCDMA
-
a.k.a. UMTS
Wideband
CDMA. A third-generation
(3G), CDMA-based wireless
communication technology
that offers enhanced
voice and data capacity
and higher data rates
than previous, second-generation
wireless technologies.
WEP
Wired
Equivalency Privacy.
An optional feature
for Wi-Fi and 802.11b
that offers privacy
by using an encryption
algorithm that scrambles
data before any data
is transmitted.
Wi-Fi
Short
for "Wireless Fidelity"
and another name for
WLAN (wireless local
area network). Allows
a mobile user to connect
to a local area network
(LAN) through a wireless
connection. Wi-Fi
has been deployed
in airports, universities,
bookstores, coffee
shops, office campuses
and private residences.
WiMAX
Wireless
Interoperability for
Microwave Access.
A group of proposed
wireless standards
for high-throughput
broadband connections
over long distances.
Applications include
"last mile" broadband
connections and hot
spots. Trade name
for a new family of
IEEE 802.16 wireless
standards.
Windows
Mobile™
Microsoft's
global brand for its
Pocket PC Operating
System. Windows Mobile
supports various Pocket
PC® devices including
smartphones and includes
features such as Wi-Fi,
Bluetooth and email
synchronization.
Wireless
Node
A
device equipped with
wireless network interface
capability.
Wireless
Spectrum
A
band of frequencies
in which wireless
signals travel carrying
voice and data.
WirelessMAN™
Wireless
Metropolitan Area
Network. Enables broadband
network access with
exterior antennas
that communicate with
base stations that
are connected to core
network. An alternative
to fixed-line networks.
Developed by the IEEE
802.16 Working Group.
WLAN
Wireless
Local Area Network.
Allows a mobile user
to connect to a local
area network (LAN)
through a wireless
connection. WLANs
have been deployed
in airports, universities,
bookstores, coffee
shops, office campuses
and private residences.
WPAN
Wireless
Personal Area Network.
A computer network
that wirelessly connects
devices in a short
range (about 30 feet),
such as a mobile phone
to a wireless mouse
or keyboard. Bluetooth
is a WPAN technology.
WWAN
Wireless
Wide Area Network.
Geographically separate
computer networks
joined through a wireless
connection. A WWAN
is similar to a WLAN
(wireless local area
network), but typically
covers an entire metropolitan
or nationwide area.
X
XML
eXtensible
Markup Language.
A computer language
developed by the
World Wide Web Consortium
(W3C) designed to
improve the functionality
of the Internet
by providing a more
flexible way to
share basic data,
such as phone numbers
or addresses. For
example, XML may
be used to share
data between desktop
computers and wireless
devices.
Z
ZIF
-
a.k.a. Direct
Conversion
Zero
Intermediate Frequency.
A radio frequency
architecture that
eliminates the
entire intermediate
frequency section
of the cellular
phone, resulting
in smaller-sized
wireless devices.
The basis of QUALCOMM's
radioOne® technology.
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