TDMA

TDMA may refer to:

  • Tridiagonal matrix algorithm, a mathematical system
  • Time division multiple access, a channel-access scheme
  • Digital AMPS (IS-54 and IS-136), a 2G mobile-phone standard that uses Time division multiple access

Other articles related to "tdma":

Comparison Of Mobile Phone Standards - Issues
... GSM uses TDMA and FDMA for user and cell separation ... Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices ... This is used in GSM to separate cells, which then use TDMA to separate users within the cell ...
Time Division Multiple Access - Comparison With Other Multiple-access Schemes
... In radio systems, TDMA is usually used alongside Frequency-division multiple access (FDMA) and Frequency division duplex (FDD) the combination is referred to as FDMA ... A major advantage of TDMA is that the radio part of the mobile only needs to listen and broadcast for its own time slot ... A disadvantage of TDMA systems is that they create interference at a frequency which is directly connected to the time slot length ...
Synchronous Code Division Multiple Access - Asynchronous CDMA - Advantages of Asynchronous CDMA Over Other Techniques - Efficient Practical Utilization of Fixed Frequency Spectrum
... In theory, CDMA, TDMA and FDMA have exactly the same spectral efficiency but practically, each has its own challenges – power control in the case of ... TDMA systems must carefully synchronize the transmission times of all the users to ensure that they are received in the correct time slot and do not cause interference ...
Time Division Multiple Access - TDMA in Mobile Phone Systems - 3G Systems
... CDMA, time division duplexing (TDD), packet scheduling (dynamic TDMA) and packet oriented multiple access schemes are available in 3G form, combined with CDMA to take advantage of the benefits of both ... the UMTS 3G system uses CDMA and frequency division duplexing (FDD) instead of TDMA, TDMA is combined with CDMA and Time Division Duplexing in two standard UMTS UTRA ...
Instaphone - Technology Migration Strategy
... a lack of telephone number porting laws in Pakistan, Mobilink kept a large TDMA network throughout the 1990s up until the middle of this decade ... Due to this rare TDMA presence in the middle of Asia which was majority GSM, Pakistan was flooded with unlocked American and Canadian TDMA cellphones for sale to many of the Instaphone customers who were mostly ...