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Compatible Improvement of the GSM/GPRS System by Means of Delay Diversity

Date: January 2008
Type: White Paper
Rating: (0)

Overview: The application of delay diversity in a GSM/GPRS system has been investigated. First of all, the structure of the enhanced GSM/GPRS system was presented, which is compatible with current specifications and, in principle, also applies for an EDGE system. An important advantage of delay diversity is the fact that virtually the same equalizer/detector algorithm can be used as in the (1x1)-system. For the (2x1)-delay diversity scheme, an improved RAKE Receiver Bound (RRB) was derived as a function of the delay applied to the signal at the second transmit antenna.


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