Complementary beamforming methods and apparatuses

Details Complementary beamforming methods and apparatuses Complementary beamforming methods and apparatuses

2011-04-12

2011-04-12

Chang, Kent (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S063400, C455S575700, C455S272000, C342S351000, C342S354000, C342S368000

Reexamination Certificate

active

07925303

ABSTRACT:
Improved methods and apparatuses are provided to address a potential “hidden beam problem” in wireless communication systems employing smart antennas. The improved methods and apparatuses utilize complementary beamforming (CBF) techniques, such as, for example, Subspace Complementary Beamforming (SCBF), Complementary Superposition Beamforming (CSBF) and/or Single Beam Complementary Beamforming (SBCBF) techniques.

REFERENCES:
patent: 6393303 (2002-05-01), Katz
patent: 6735445 (2004-05-01), Sharony et al.
patent: 6839573 (2005-01-01), Youssefmir et al.
patent: 2002/0126777 (2002-09-01), Kasapi et al.
patent: 2002/0181492 (2002-12-01), Kasami et al.
Guerrerio (“Beamforming applied to an Adaptive Planar Array”, RAWCON'98 Proceedings; 1998 IEEE, p. 210).
Bandyopadhyay (“An Adaptive MAC Protocol for Ad Hoc Networks with Directional Antenna”, IEICE Trans. Commun., vol. E84-B, No. 11 Nov. 2001).

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