Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Reexamination Certificate
2007-11-26
2011-12-27
Pham, Tuan (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
C455S130000, C455S272000, C455S276100, C375S329000, C375S334000, C375S347000
Reexamination Certificate
active
08086203
ABSTRACT:
Aspects of a method and system for wireless local area network (WLAN) phase shifter training are presented. Aspect of the system may enable a receiving station, at which is located a plurality of receiving antennas, to estimate the relative phase at which each of the receiving antennas receives signals from a transmitting station. This process may be referred to as phase shifter training. After determining the relative phase for each of the receiving antennas, the receiving station may process received signals by phase shifting the signals received via each of the receiving antennas in accordance with the relative phase shifts determined during the phase shifter training process. Signals received via a selected one of the receiving antennas may be unshifted. The processed signals may be combined to generate a diversity reception signal.
REFERENCES:
patent: 6518920 (2003-02-01), Proctor et al.
patent: 7190713 (2007-03-01), Mennenga et al.
patent: 2007/0230431 (2007-10-01), Driesen et al.
patent: 2009/0023383 (2009-01-01), Mesecher
Broadcom Corporation
McAndrews Held & Malloy Ltd.
Pham Tuan
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