Method to increase the bit rate in a communications system

Details Method to increase the bit rate in a communications system Method to increase the bit rate in a communications system

2006-12-12

2006-12-12

Ghayour, Mohammed (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S347000

Reexamination Certificate

active

07149255

ABSTRACT:
Disclosed is a method and a device to increase the bit rate in a communications system comprising N transmitters (2N) and M receivers (3M), with M greater than or equal to N. The method comprises the following steps.a) simultaneously sending different messages on several of the N (2N) transmitters,b) simultaneously receiving the superimposition of the messages sent during the step a) on several of the M (3M) receivers or reception sensors,c) estimating the characteristics of the transmission channel for each pair constituted by a transmission sensor and a receiver sensor,d) jointly estimating all or at least the majority of the messages received in taking account of the signals as well as the characteristics of the transmission channel.Application to GSM signals and to systems of unicast transmission and multicast transmission, namely multipoint-to-point and multipoint-to-multipoint transmission.FIGS.2a, 2B.

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Edward A. Lee, et al., “Digital Comminication”, 1990, Kluwer Academic Press, Boston, XP002197169, pp. 335-339.

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