Beam forming method

Details Beam forming method Beam forming method

2006-08-22

2006-08-22

Maung, Nay (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S073000, C455S509000, C342S368000, C342S373000, C370S329000, C370S342000

Reexamination Certificate

active

07096041

ABSTRACT:
In a radio communication system, a beam is formed between subscriber stations and a base station which has an antenna device with several antenna elements. The antenna elements emit a downlink signal based on respective weighing with coefficients of a weighting vector. A plurality of weighting vectors are determined at the subscriber station in an initialization phase and transmitted to the base station. In a subsequent working phase, the subscriber station selects a dominant weighting vector from the weighting vectors and transmits a designation of the selected weighting vector to the base station.

REFERENCES:
patent: 4965732 (1990-10-01), Roy, III et al.
patent: 5471647 (1995-11-01), Gerlach et al.
patent: 5634199 (1997-05-01), Gerlach et al.
patent: 5886988 (1999-03-01), Yun et al.
patent: 5999800 (1999-12-01), Choi et al.
patent: 6154661 (2000-11-01), Goldburg
patent: 6225948 (2001-05-01), Baier et al.
patent: 6317612 (2001-11-01), Farsakh
patent: 6697633 (2004-02-01), Dogan et al.
patent: 2001/0031022 (2001-10-01), Petrus et al.
patent: 198 03 188 (1999-07-01), None
patent: 970 388 (2000-01-01), None
patent: 2 313 237 (1997-11-01), None
patent: 2 313 261 (1997-11-01), None
patent: 98/43106 (1998-10-01), None
A. Paulraj, et al., “Space-Time Processing for Wireless Communications”, IEEE Signal Processing Magazine, Nov. 1997, pp. 49-83.
R. Schmalenberger, et al., “A Comparison of Two Different Algorithms for Multiantenna C/I Balancing” European Personal Mobile Communications Conference (EPMCC) Sep. 1997, pp. 483-490.
M. Raitola et al., “Transmission Diversity in Wideband CDMA”, IEEE Vechicular Technology Conf., Spring 1999, pp. 1545-1549.
A. M. Earnshaw et al., “An Error Analysis of Feedback Correlation Beamforming for the IS-95 Reverse Link”, 1998 IEEE International Conference, pp. 1046-1052.
J. Liang et al., “Forward Link Antenna Diversity Using Feedback for Indoor Communication Systems”, International Conference on Acoustics, May 9-12, 1995, pp. 1753-1755.

Affiliated with

Also associated with

Rating

Beam forming method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Beam forming method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Beam forming method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3709676