Method for detecting the sub-rate of a data packet for a...

Details Method for detecting the sub-rate of a data packet for a... Method for detecting the sub-rate of a data packet for a...

H - Electricity

04

L

H04L 7/08 (2006.01) H04L 1/00 (2006.01) H04L 1/08 (2006.01) H04L 7/10 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2186801

A method is presented for detecting the data packet transmission sub-rate in a multi-rate transmitting scheme. Sub-rates are detected by identifying the number of consecutive identical bits, i.e., the repetitive pattern used by the transmitter to mask the sub-rate, and applying statistical methods to account for the effects of noise and power bit insertion. The repetitive pattern is then matched to the appropriate sub-rate. The general method is adjusted for implementation with soft decision symbols or hard decision symbols. Use of this method to detect the sub-rate prior to decoding the received signal increases the receiver efficiency.

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