Data-rate detection in CDMA systems

Details Data-rate detection in CDMA systems Data-rate detection in CDMA systems

2001-08-08

2009-10-06

Harper, Kevin C (Department: 2416)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S342000

Reexamination Certificate

active

07599291

ABSTRACT:
The present invention provides an improved receiver for data-rate detection in a signal received from a transmitter of a cellular radio communication system including multiple transport channels supporting variable data-rate transmissions. This is accomplished by a computationally efficient technique for data-rate detection. The improved receiver receives data and TFCI associated with each of the multiple transport channels. The receiver then obtains a maximum number of valid transport format combinations and a maximum number of TFCIs that can be formed. The receiver then computes a subset of TFCIs using the obtained maximum number of valid transport format combinations and the maximum number of TFCIs, and decodes from the computed subset of TFCIs within the frame to reduce computation during decoding and to improve data-rate detection reliability.

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“Technical Specification Group Radio Access Network Multiplexing and Channel Coding (FDD) (3G TS 25.212 version 3.0.0)”, 3rd Generation Partnership Project (3GPP),(Oct. 1999), 1-54.

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