Shifted training sequences in a communications system

Details Shifted training sequences in a communications system Shifted training sequences in a communications system

2002-07-09

2008-03-04

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Transceivers

C375S354000, C375S356000

Reexamination Certificate

active

07339981

ABSTRACT:
Embodiments of the present invention can be used to select a training sequence used by a base station and a user terminal for communications. In one embodiment, selecting the training sequence to use includes first selecting a training sequence from a set of training sequences. Then, a shift indicator is received, the shift indicator indicating a number of symbols the training sequence is to be shifted. A shifted training sequence is generated by shifting the selected training sequence by the number indicated by the received shift indicator, and the shifted training sequence is used for communication with a first transceiver on a communications channel. In another embodiment, a shift indicator indicating a number of symbols a training sequence is to be shifted is first selected, and then used to generate a shifted training sequence by shifting the training sequence by the number of symbols indicated by the selected shift indicator. The shifted training sequence is then used for communicating with a transceiver on a communications channel.

REFERENCES:
patent: 5995499 (1999-11-01), Hottinen et al.
patent: 6246366 (2001-06-01), Speight
patent: 6650714 (2003-11-01), Dogan et al.
patent: 6700882 (2004-03-01), Lindoff et al.
patent: 6888882 (2005-05-01), Dogan
patent: 6925131 (2005-08-01), Balakrishnan et al.
patent: 7096030 (2006-08-01), Huomo

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