Cellular Digital Packet Data (CDPD) is an obsolete wide-area mobile data service which used unused bandwidth normally used by Advanced Mobile Phone System...

first digital networks, 1G and 0G were analog): GSM Circuit Switched Data (CSD) GPRS EDGE(IMT-SC) Evolved EDGE Digital AMPS Cellular Digital Packet Data (CDPD)...

are a number of different digital cellular standards, including: Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), cdmaOne...

In digital radio, packet radio is the application of packet switching techniques to digital radio communications. Packet radio uses a packet switching...

Personal Digital Cellular (PDC) was a 2G mobile telecommunications standard used exclusively in Japan.[citation needed] After a peak of nearly 80 million...

transmission of packets of data over the high-speed lines Davies, Donald; Bartlett, Keith; Scantlebury, Roger; Wilkinson, Peter (October 1967). A Digital Communication...

release of 2.5G phones with support for packet data changed this. The 2.5G networks break both digital voice and data into small chunks, and mix both onto...

General Packet Radio Service (GPRS), also called 2.5G, is a mobile data standard on the 2G cellular communication network's global system for mobile communications...

High Speed Packet Access (HSPA) is an amalgamation of two mobile protocols—High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA)—that...

packet switching is a method of grouping data into short messages in fixed format, i.e. packets, that are transmitted over a digital network. Packets...

(UMTS) systems where packet data transmission rates are much higher. In the UMTS system, the advantages of HSCSD over packet data are even lower since...

A frame is a digital data transmission unit in computer networking and telecommunications. In packet switched systems, a frame is a simple container for...

Each sub-packet of a multi-slot transmission is a turbo-coded replica of the original data bits. This allows mobiles to acknowledge a packet before all...

detection (erasure) probability Packet erasure channel, where packets are lost with a certain packet loss probability or packet error rate Arbitrarily varying...

(SMS), with later advancements such as General Packet Radio Service (GPRS) enabling always-on packet data services, including email and limited internet...

the data. The sender keeps a record of each packet it sends and maintains a timer from when the packet was sent. The sender re-transmits a packet if the...

transmit at higher data rates. Packet mode channel access methods select a single network transmitter for the duration of a packet transmission. Some...

he worked on early mobile data protocols, including cellular digital packet data (CDPD). In 1995, he joined McCaw Cellular (now AT&T Wireless) as a Senior...

encryption, and data compression. PPP is used over many types of physical networks, including serial cable, phone line, trunk line, cellular telephone, specialized...

Enhanced Data rates for GSM Evolution (EDGE), also known as 2.75G and under various other names, is a 2G digital mobile phone technology for packet switched...

communication channel in a communication network, such as Ethernet or packet radio. The data that these messages contain may be delivered over physical or logical...

phone service based on cellular phones, SMS (Short Message Service), WAP (Wireless Application Protocol), GPRS (General Packet Radio Service), UMTS (3G...

accessible network of interconnected computer networks that transmit data by packet switching using the standard Internet Protocol (IP). It is a "network...

first-generation (1G) analog cellular networks (1979–), second-generation (2G) digital cellular networks (1991–), third-generation (3G) broadband data services (launched...

by NG-DECT/CAT-iq wideband voice and data. High-capacity packet (P80) – 900 or 904 bits, "double slot". This packet uses two time slots and always begins...

bundling of timeslots is used for circuit-switched data services (HSCSD) as well. Also called General Packet Radio Service or GPRS GPRS networks evolved to...

provide combined circuit switched and packet switched data and voice services from the outset, usually at far better data rates than 2G networks with their...

an innovative and first-to-market wireless data cellular network known as CDPD (Cellular Digital Packet Data) that provided IP connections with mobility...

Wi-Fi, Bluetooth, cellular, and satellite networks, each serving different purposes. Unicast: In a unicast wireless communication, data is transmitted from...

available handheld mobile phone. In 1991, the second-generation (2G) digital cellular technology was launched in Finland by Radiolinja on the GSM standard...