TDMA COMMUNICATIONS SYSTEM WITH ADAPTIVE EQUALIZATION

Method and means for reducing multipath interference distortion in a time-division multiple access (TDMA) communications system. A transmitting station (100) formats one or more equalizer synchronization words with a first user's data word, time-multiplexes this formatted user message with at l...

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Bibliographic Details
Main Author BORTH, DAVID, EDWARD
Format Patent
LanguageEnglish
Published 06.05.1992
Edition4
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Method and means for reducing multipath interference distortion in a time-division multiple access (TDMA) communications system. A transmitting station (100) formats one or more equalizer synchronization words with a first user's data word, time-multiplexes this formatted user message with at least one other user message, and transmits the combined signal. The receiving station (200) receives the transmitted TDMA signal in a receiver (220), de-multiplexes the first user message from the other user messages in the TDMA controller (240), and the equalizer (250) equalizes the time delay spread characteristics of the data word portion of the first user message (or a stored version of such) in response to this de-multiplexing. Performing the adaptive equalization process more than once per user time slot provides an even higher data throughput for the system. Storing the first user message in a data buffer (230) permits the adaptive equalization process to be performed in non-real time, thereby lowering the required signal processing data rate in any particular receiver.
Bibliography:Application Number: EP19880902022