System and method for dynamic receive diversity allocation

Details System and method for dynamic receive diversity allocation System and method for dynamic receive diversity allocation

2008-03-14

2011-12-27

Vu, Huy (Department: 2461)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S216000, C455S562100, C455S063100, C455S279100

Reexamination Certificate

active

08085734

ABSTRACT:
A system and method for dynamic receive diversity allocation. A communications device comprises a first physical layer (PHY) unit, a second PHY unit, a first signal path coupled to a first antenna and to the first PHY unit, a switchable signal path coupled to a second antenna and switchably coupled to the first PHY unit and the second PHY unit, and a switch control unit coupled to the second antenna. The switch control unit dynamically generates a control signal used to switchably couple the second antenna to either the first PHY unit or the second PHY unit. The second antenna may be used to provided a needed transmit or receive antenna or an extra antenna for use in increasing diversity. Switching antennas reduces the total number of antennas and support hardware, such as digital processing hardware, for wireless communications standards having a high ratio of idle to busy time.

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