GSM frequency bands (redirect from 1800 Digital Cellular System at 1800 MHz)
which also includes the standard and extended GSM-900 bands. DCS: Digital Cellular System PCS: Personal Communications Service A dual-band 900/1800 device...
14 KB (1,114 words) - 19:39, 16 May 2024
Personal communications network (redirect from Digital Cellular System)
network (PCN) is the European digital cellular mobile telephone network. The underlying standard is known as Digital Cellular System, which defines a variant...
2 KB (238 words) - 05:23, 22 August 2023
(IS-95) Circuit Switched Data (CSD) Personal Handy-phone System (PHS) Personal Digital Cellular 3G networks: UMTS W-CDMA (air interface) TD-CDMA (air interface)...
38 KB (4,769 words) - 08:29, 10 October 2024
Personal Digital Cellular (PDC) was a 2G mobile telecommunications standard used exclusively in Japan.[citation needed] After a peak of nearly 80 million...
4 KB (537 words) - 22:55, 25 April 2024
1G (redirect from Analog cellular network)
these two mobile cellular generations is that the audio transmissions of 1G networks were analog, while 2G networks were entirely digital. There were many...
8 KB (878 words) - 06:47, 7 April 2024
Personal Communications Service (redirect from T-Mobile satellite cellular service)
wireless data communications systems, typically incorporating digital technology, providing services similar to advanced cellular mobile or paging services...
11 KB (1,086 words) - 03:57, 23 January 2024
term "cellular" because of its use of small hexagonal "cells" within a system. AMPS suffered from many weaknesses compared to today's digital technologies...
32 KB (2,713 words) - 01:49, 17 September 2024
SMS (redirect from Short message system)
device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks...
78 KB (8,367 words) - 03:07, 16 October 2024
A cellular automaton (pl. cellular automata, abbrev. CA) is a discrete model of computation studied in automata theory. Cellular automata are also called...
62 KB (7,622 words) - 04:05, 6 July 2024
signals used in new cellular standards. Many useful digital systems must translate from continuous analog signals to discrete digital signals. This causes...
48 KB (6,089 words) - 03:33, 10 October 2024
Using IS-54, a cellular carrier could convert any of its system's analog voice channels to digital. A dual mode phone uses digital channels where available...
17 KB (2,650 words) - 19:30, 26 August 2024
processing Digital Cellular System, a mobile communications-based PCS network used outside of the U.S. Digital Command System, a model railroad system by MTH...
5 KB (694 words) - 13:10, 24 July 2024
Computer (redirect from Digital computer)
computing resources into cellular mobile phones by the early 2000s. These smartphones and tablets run on a variety of operating systems and recently became...
137 KB (13,903 words) - 18:19, 15 October 2024
concepts, technology, systems and standards, 1994. US Black Engineer of the Year for best Technical Contributions in Digital Cellular and Microcellular Technology...
17 KB (1,857 words) - 22:50, 23 September 2024
2G (category Wireless communication systems)
digital, though both systems use digital signaling to connect cellular radio towers to the rest of the mobile network system. 2G was superseded by 3G technology...
87 KB (4,800 words) - 21:31, 13 October 2024
Mobile phone (redirect from Cellular telephone)
available handheld mobile phone. In 1991, the second-generation (2G) digital cellular technology was launched in Finland by Radiolinja on the GSM standard...
80 KB (9,180 words) - 06:06, 10 October 2024
Originally 2G networks were voice centric or even voice only digital cellular systems (as opposed to the analog 1G networks). Typical 2G standards include...
13 KB (1,290 words) - 02:27, 22 July 2024
Cell site (redirect from Cellular tower)
A cell site, cell phone tower, cell base tower, or cellular base station is a cellular-enabled mobile device site where antennas and electronic communications...
29 KB (3,435 words) - 06:19, 20 September 2024
GSM (redirect from Global system for mobile cellular communications)
Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as mobile phones and tablets....
40 KB (4,574 words) - 13:15, 2 October 2024
Cellular Digital Packet Data (CDPD) is an obsolete wide-area mobile data service which used unused bandwidth normally used by Advanced Mobile Phone System...
5 KB (699 words) - 22:57, 25 April 2024
analog AMPS standard that used the cellular band (800 MHz) was replaced by a number of digital systems. Initially, systems based upon the AMPS mobile phone...
5 KB (647 words) - 18:15, 25 April 2022
in radar jamming, although applications in cellular communications are becoming more common. A DRFM system is designed to digitize an incoming RF input...
4 KB (555 words) - 10:00, 30 December 2023
Philippines, Inc., doing business as Sun Cellular (or simply known as Sun), was a wholly owned subsidiary of Digital Telecommunications Philippines (Digitel)...
7 KB (645 words) - 12:49, 21 September 2024
Cellular V2X (C-V2X) is an umbrella term that comprises all 3rd Generation Partnership Project (3GPP) V2X technologies for connected mobility and self-driving...
15 KB (1,562 words) - 03:16, 31 July 2024
IDEN (redirect from Integrated Digital Enhanced Network)
provide interference protection via guard bands. By comparison, TDMA Cellular (Digital AMPS) is licensed in blocks of 30 kHz channels, but each emission...
14 KB (1,546 words) - 17:44, 9 October 2024
non-biological entity with a cellular organizational structure (also known as a cellular organization, cellular system, nodal organization, nodal structure...
9 KB (923 words) - 21:37, 2 October 2024
Spectral efficiency (redirect from System spectrum efficiency)
channel access protocol). The link spectral efficiency of a digital communication system is measured in bit/s/Hz, or, less frequently but unambiguously...
25 KB (2,139 words) - 15:49, 10 July 2024
In computer science and machine learning, cellular neural networks (CNN) or cellular nonlinear networks (CNN) are a parallel computing paradigm similar...
72 KB (10,029 words) - 11:52, 25 May 2024
Powertel (United States) (redirect from Powertel (U.S. cellular carrier 1998-2001))
headquartered in West Point, Georgia, United States that provided analog cellular and digital PCS mobile communications services in the Southeastern United States...
5 KB (439 words) - 00:02, 5 May 2023
but may not always provide broadcasting service. The downlink of a cellular system can be considered as a point-to-multipoint channel, if only one cell...
14 KB (1,804 words) - 07:17, 28 September 2024