Methods and apparatus for controlling a base station's transmission power

A technology of transmission power and base station, applied in transmission monitoring, transmission system, transmission control/balance, etc., can solve the problem of not being able to use different system load conditions, optimizing processing capacity, etc.

Active Publication Date: 2008-12-10
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This approach tends to limit the overall disturbance in the system, but cannot take advantage of different system load conditions to optimize throughput

Method used

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  • Methods and apparatus for controlling a base station's transmission power
  • Methods and apparatus for controlling a base station's transmission power
  • Methods and apparatus for controlling a base station's transmission power

Examples

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Embodiment Construction

[0021] 1 is a diagram of an exemplary wireless communication system 100, such as a multiple access OFDM wireless communication system, according to various embodiments. The exemplary wireless communication system 100 includes a plurality of base stations (base station 1102 , . . . , base station M 104 ) and a network node 110 . Each base station (102, ..., 104) includes at least one base station attachment point. A base station (102, ..., 104) can comprise one or more sectors and utilize one or more carriers. For example, in some embodiments of some base stations, a base station attachment point corresponds to a cell and carrier combination. In some embodiments, the base station attachment points of some base stations correspond to combinations of cells, sectors and carriers. Network node 110 is coupled to (base station 1102, base station M 104) via network links (120, 122), respectively. Network node 110 is also coupled to other network nodes and / or the Internet via networ...

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Abstract

Methods and apparatus are described where loading information regarding loading conditions at a neighboring base station is received at a first base station and then communicated, e.g., broadcast, by the first base station to mobiles within the cell in which the first base station is located. Since the neighbor base station's loading information is being communicated to a mobile currently connected to the first base station via a reliable communications channel of the first base station, the mobile can be expected to be able to reliably recover loading factor information corresponding to not only the first base station but to the neighboring base station. By utilizing such loading factor information, the mobile can generate an improved uplink interference report. The first base station receives such interference reports from wireless terminals in its cell, facilitating efficient resource allocation and interference control.

Description

[0001] Claiming priority under 35 U.S.C. §119 [0002] This application is a continuation-in-part of U.S. 11 / 251,069, filed October 14, 2005, a continuation-in-part of U.S. Patent Application 11 / 302,729, filed December 14, 2005, filed July 14, 2006 continuation-in-part of U.S. Patent Application 11 / 486,714, and continuation-in-part of U.S. Application 11 / 487,017, filed July 14, 2006, each of which is expressly incorporated herein by reference . technical field [0003] The present invention relates to wireless communication systems and, more particularly, the present invention relates to power control in wireless communication systems. Background technique [0004] In a wireless communication system comprising multiple base stations where at least some of the base stations use the same radio resource, e.g. spectrum, downlink transmissions from one base station may interfere with other base stations (e.g. neighboring base stations) using the same spectrum downlink transmis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/005H04B17/345H04B17/382
Inventor 厉隽怿吴新宙阿纳布·达斯
Owner QUALCOMM INC
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