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Transmit power control

A transmission power control and transmission power technology, applied in the field of base station or radio network controller, transmission power control method and related components, can solve the problem that power control cannot independently control pilot frequency and data power, etc.

Active Publication Date: 2015-03-11
ERICSSON (CHINA) COMMUNICATION COMPANY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in WCDMA / HSPA, pilot and data power cannot be independently controlled using power control

Method used

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Embodiment Construction

[0047] In the following detailed description, reference is made to the accompanying drawings, which form a part of the detailed description. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The illustrative examples or embodiments described in the detailed description, drawings, and claims are not limiting. Other examples or embodiments may be utilized, or other modifications may be made, without departing from the spirit or scope of the subject matter presented here. It will be readily understood that the disclosed aspects generally described herein and illustrated in the drawings may be arranged, substituted, combined, and designed in a wide variety of different configurations, all of which are expressly contemplated and constitute a part of this disclosure.

[0048] figure 2 A block diagram conceptually illustrates an example of a telecommunications system 200 to which the present disclosure may apply. Such as ...

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Abstract

A transmit power control (TPC) method is provided. The method includes: obtaining a first channel quality of a pilot channel for a user equipment (UE) (S310); performing an interference cancellation on the pilot channel to obtain a second channel quality of the channel (S320); and instructing the UE to adjust the transmit power based on at least the first channel quality (S330).

Description

technical field [0001] The present disclosure relates generally to wireless communications, and more particularly, to transmit power control methods and related components, such as base stations or radio network controllers. Background technique [0002] Unless otherwise indicated herein, the approaches described in this section are not prior art to the claims in this application and are not admitted to be prior art by inclusion in this section. [0003] Typically, there are two kinds of power control loops, an inner loop and an outer loop. The inner loop power control is used to continuously adjust the transmit power so that the perceived quality is sufficient and good enough, but not excessively good. Inner loop power control can be used for both uplink and downlink. Specifically, in the uplink, the inner loop power control actually controls the DPCCH power based on the perceived uplink Dedicated Physical Control Channel (DPCCH) quality compared to the uplink DPCCH quali...

Claims

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Application Information

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IPC IPC(8): H04W52/00
CPCH04W52/241H04W52/243H04W52/12H04W52/247H04W88/08H04W88/12
Inventor 张璋顾昕钰穆罕默德·卡兹米
Owner ERICSSON (CHINA) COMMUNICATION COMPANY LTD
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