Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2003-09-03
2008-10-07
Kim, Kevin Y (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C370S441000
Reexamination Certificate
active
07433386
ABSTRACT:
Method of allocating communication codes to channels set up in respect of mobile terminals in communication in a cell of a radiocommunication system, in which the cell is served by a fixed station having means of adjustment of send/receive parameters defining a respective antenna pattern in respect of each mobile terminal in the cell, in which the allocated communication codes form part of a set of codes some at least of which are mutually orthogonal. In response to channel setup or reconfiguration request in respect of a first mobile terminal in the cell, the allocation to the said channel of a code nonorthogonal to at least one code of the set already allocated to another channel set up in respect of a second mobile terminal in the cell is conditionally admitted, as a function of a comparison between the send/receive parameters determined in respect of the first and second terminals.
REFERENCES:
patent: 2003/0013451 (2003-01-01), Walton
patent: 0 926 912 (1999-06-01), None
patent: 1 026 911 (2000-08-01), None
patent: 1 202 587 (2002-05-01), None
3G TS 25.213, version 4.1.0, “spreading and modulation (FDD)”, published on Jun. 2001 by 3 GPP (“3rd Generation Partnership Project”).
Ben Rached Nidham
Lucidarme Thierry
Alcatel Lucent
Kim Kevin Y
Sughrue & Mion, PLLC
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