Method and apparatus for enhancing the data transmission capacity of a wireless communication system

• US 20030017853A1
• Filed: 07/12/2002
• Published: 01/23/2003
• Est. Priority Date: 07/12/2001
• Status: Abandoned Application

• Current Assignee: Sarnoff Corporation (SRI International, Inc.)
• Original Assignee: Sarnoff Corporation (SRI International, Inc.)
• Inventors: Owen, Henry, Turski, Zygmond, Kanamaluru, Sridhar
• Application Number:
  US10/194,984
• Publication Number:
  US 20030017853A1
• Time in Patent Office: Days
• US Class Current: 455/562.1
• CPC Class Codes: H01Q 1/246 specially adapted for base stations
• CPC Class Codes: H01Q 25/002 providing at least two patterns of different beamwidth; Variable beamwidth antennas
• CPC Class Codes: H01Q 3/2605 Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
• CPC Class Codes: H04B 7/0408 using two or more beams, i.e. beam diversity
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04B 7/086 using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
• CPC Class Codes: H04W 16/28 using beam steering
• CPC Class Codes: H04W 52/283 Power depending on the position of the mobile

Abstract

A method and apparatus for enhancing the data transmission capacity of a wireless communication system includes a smart antenna array for forming a radiation pattern to communicate with a plurality of mobile devices and control circuitry for adaptively modifying the radiation pattern to increase the carrier-to-interference (C/I) ratio of the wireless communication system.

Claims