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Power adaptation apparatus and method

A technology for adapting devices and power, applied in power management, wireless communication, electrical components, etc., which can solve problems such as no E-DCHBLER, unreasonably low E-DCHBLER, and unachievable target E-DCHBLER

Inactive Publication Date: 2015-07-15
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no mechanism available to adapt the E-DCH BLER
In other words, even if the wireless environment of E-DCH changes, the SIR cannot be updated target
Therefore, the SIR of E-DCH target It will not match the reality, and the original ideal E-DCH BLER cannot be realized
Therefore, HSUPA uplink throughput / performance may be compromised in high interference wireless environments
In addition, in a low-interference wireless environment, unreasonably low E-DCH BLER may also occur due to overestimation of HSUPA UL transmit power
In short, when the wireless environment changes, the original target E-DCH BLER may not be achieved

Method used

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  • Power adaptation apparatus and method

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Embodiment Construction

[0022] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0023] figure 2 is a block diagram of a first generalized p...

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Abstract

A power adaptation apparatus (202, 312, 502, 612, 702) for a wireless communication channel includes a power ratio compensator (212, 322, 504, 622, 714). The power ratio compensator (212, 322, 504, 622, 714) is capable of receiving a channel quality indicator and compensating a power ratio parameter according to the channel quality indicator, wherein the power ratio parameter defines a relation between power of the wireless communication channel and power of another wireless communication channel, and is referenced for setting the power of the wireless communication channel.

Description

technical field [0001] The present invention relates to a power adaptation device, and more particularly, to a power adaptation device and method. Background technique [0002] Inner / outer loop power control (inner / outer loop power control) is a dedicated channel (dedicated channel) specified in the frequency-division duplexing (FDD) specification of the universal mobile telecommunications system (UMTS). , DCH) common method of power adaptation. figure 1 It is a schematic block diagram of a traditional DCH uplink (uplink, UL) power control mechanism. A user equipment (user equipment, UE) 102 communicates with a UMTS terrestrial radio access network (UMTS terrestrial radio access network, UTRAN) 104 through a wireless interface (radio interface) 101 . The UE 102 may include a UL power control module 112 and a demultiplexer (demultiplexer, DEMUX) 114, wherein the UL power control module 112 is used to set the power of the UL physical channel, and the DEMUX 114 is used to con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/24H04W52/48
CPCH04W52/08H04W52/286H04W52/241H04W52/346H04W52/20H04W52/146H04W52/12H04W72/20
Inventor 翁柏圣何远李松樵许承伟何文贤黄千致
Owner MEDIATEK INC