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Automated parameter adjustment to compensate self adjusting transmit power and sensitivity level at the node b

A technology of transmitting power levels and parameters, which is applied in the field of communication and can solve problems such as resetting

Active Publication Date: 2014-03-19
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the UE saves power by turning its transmitter and / or receiver on and off, which results in the UE having to reset its transmitter and / or receiver parameters

Method used

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  • Automated parameter adjustment to compensate self adjusting transmit power and sensitivity level at the node b
  • Automated parameter adjustment to compensate self adjusting transmit power and sensitivity level at the node b
  • Automated parameter adjustment to compensate self adjusting transmit power and sensitivity level at the node b

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Embodiment Construction

[0038] Various aspects are now described with reference to the figures. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more aspects. It may be evident, however, that the various aspects may be practiced without the use of these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing these aspects.

[0039] exist figure 1 In a heterogeneous communication system 100, a small base node (eg, a home base node (HNB), a femto cell, a closed subscription cell, etc.) 102 (shown as an HNB) communicates with a user equipment (UE) 104 (shown as Home User Equipment (HUE)). For example, the HNB 102 may be located within the building 106 in order to extend the coverage area or to provide an advantageous alternative to charging for one of the plurality of macro base nodes (MNBs) 108a, 108b.

[0040] Adv...

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Abstract

A small base node such as a Home Base Node (HNB), or femto cell, may reduce its transmit power in order to prevent co-channel or adjacent channel interference, or to limit its coverage area. Once the power is set, the HNB signal to a served Home User Equipment (HUE) its transmit Common Pilot Channel (CPICH) transmit power for accurate path loss estimation. When this power is outside of the permissible range, the HNB adjusts other parameters (such as Random Access Channel (RACH) constant value) to compensate for the error in signaled CPICH power, and thus compensate in that process the error in determining path loss. Similarly, if the uplink sensitivity is adjusted, to prevent interference, parameters would also be adjusted and signaled to the HUE to reflect the link imbalance.

Description

[0001] This application is a divisional application of the invention patent application with the application date of August 07, 2009 and the application number of 200980130906.2. [0002] Claiming Priority Based on 35 U.S.C. §119 [0003] This application claims priority to Provisional Application 61 / 087,861, filed August 11, 2008, entitled "NODE B TRANSMIT POWER ADJUSTMENT," which is assigned to the assignee of this application and is hereby incorporated by reference It is expressly incorporated herein. technical field [0004] In general, the present disclosure relates to communications, and in particular, to sending uplink transmit power to user equipment (UE) in a wireless communications network. Background technique [0005] Among the third generation wireless mobile communication technologies, Universal Mobile Telecommunications System (UMTS), also called 3GSM (Third Generation Global System for Mobile Communications), is a communication protocol for communicating ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/10H04W52/24H04W52/36
CPCH04W52/10H04W52/244H04W52/246H04W52/367Y02B60/50Y02D30/70H04W52/14H04W52/24H04W52/36
Inventor A·戈尔米F·梅什卡蒂M·亚武兹S·莫汉C·谢瓦利尔
Owner QUALCOMM INC
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