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Methods and apparatus for intelligent receiver operation

A wireless receiver, mobile device technology, applied in the direction of energy reduction, advanced technology, power management, etc., can solve the problems of mobile device consumer user experience impact, multi-power and other issues

Inactive Publication Date: 2014-12-24
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Powering two receive chains consumes significantly more power than a single receive chain
[0008] Overall power consumption can have a significant impact on the user experience of mobile device consumers

Method used

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  • Methods and apparatus for intelligent receiver operation
  • Methods and apparatus for intelligent receiver operation
  • Methods and apparatus for intelligent receiver operation

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Embodiment Construction

[0044] Referring now to the drawings, like numerals indicate like parts throughout.

[0045] Summary-

[0046] So-called receiver diversity techniques are widely used in several wireless network standards such as Universal Mobile Telecommunications System (UMTS), Long Term Evolution (LTE), Wireless Microwave Access (WiMAX), etc. to improve reception performance. During diversity operation, a mobile device, such as a user equipment (UE), receives transmissions via two or more different communication channels, where each of the different communication channels experiences different fading and interference effects. By combining transmissions from different communication channels, diversity operation compensates for fading and interference effects, which greatly improves device reception.

[0047] Unfortunately, diversity techniques consume significantly more power than non-diversity operation. However, the performance gain from receiver diversity is not always predictable. T...

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Abstract

Methods and apparatus for adaptively adjusting receiver operation for e.g., power optimization. In one embodiment, operation during diversity operation is adaptively adjusted. Diversity techniques consume significantly more power than non-diversity operation. However, the performance gain from receiver diversity is not always predictable. Consequently, in one embodiment, a device evaluates the overall performance gain contributed by diversity operation and, where the performance gain is insignificant or inadequate, the device disables diversity operation. In one implementation, the device can operate in a static single antenna mode, a dynamic single antenna mode and a dynamic multi-antenna mode.

Description

[0001] priority [0002] This patent application claims priority to U.S. Patent Application 13 / 766,055, filed concurrently with this patent application on February 13, 2013, and entitled "METHODS AND APPARATUS FOR INTELLIGENT RECEIVER OPERATION," which claims priority on February 2012. U.S. Provisional Patent Application 61 / 598,263, filed September 13, and entitled "METHODS AND APPARATUS FOR INTELLIGENT RECEIVER OPERATION," and U.S. Priority to Provisional Patent Application 61 / 705,562, each of the above-mentioned patent applications is hereby incorporated by reference in its entirety. Background technique [0003] 1. Technical field [0004] This disclosure relates generally to the fields of wireless communications and data networking. More specifically, in exemplary embodiments, methods and apparatus are disclosed for intelligently adjusting receiver diversity operation based on, for example, diversity performance. [0005] 2. Description of related fields [0006] In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/08H04W52/02
CPCH04B7/0871H04B7/0877H04W52/0238H04W52/0245Y02D30/70H04B1/7115H04W24/00H04W52/02H04W52/0209
Inventor S·A·姆塔巴金永才宋基峰王晓文金永宰
Owner APPLE INC
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