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Adaptive use of receiver diversity

A receiver and self-adaptive technology, applied in the direction of space transmit diversity, diversity/multi-antenna system, advanced technology, etc., can solve the problems of increasing power consumption of wireless communication equipment, reducing equipment use time, increasing power consumption, etc.

Active Publication Date: 2015-12-23
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Although these advanced techniques meet the goal of providing higher throughput for modern data-intensive applications, even on mobile networks, the use of such techniques can significantly increase the power consumption of wireless communication devices, thereby reducing battery life
As such, receiver diversity techniques utilize multiple receiver chains to support features like MIMO, which results in increased power consumption
Since receiver diversity techniques implemented in modern RATs are usually always used by default, even if the characteristics of device usage at a given point in time do not require the higher throughput that can be provided by using receiver diversity techniques, the cost Device usage time may also be significantly reduced in between and may negatively impact user experience

Method used

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Embodiment Construction

[0017] Representative applications of the systems, methods, apparatus, and computer program products disclosed herein are described in this section. These examples are provided merely to add context and facilitate understanding of the described embodiments. It will therefore be apparent to one skilled in the art that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail in order to avoid unnecessarily obscuring the embodiments. Other applications are possible such that the following examples should not be considered limiting.

[0018] In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustration specific embodiments according to which embodiments are described. While these embodiments have been described in sufficient detail to enable those skilled in the art to pract...

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Abstract

A method for adaptively disabling receiver diversity is provided. The method can include a wireless communication device determining an active data traffic pattern; defining a threshold channel quality metric based at least in part on a threshold channel quality needed to support a threshold quality of service for the active data traffic pattern; comparing a measured channel quality to the threshold channel quality metric; and disabling receiver diversity in an instance in which the measured channel quality metric satisfies the threshold channel quality metric.

Description

technical field [0001] The described embodiments relate generally to wireless communications, and more particularly to adaptive use of receiver diversity. Background technique [0002] Radio Access Technologies (RATs) are constantly evolving in an effort to provide higher throughput for data transmitted over wireless networks. For example, some modern RATs such as Long Term Evolution cellular RATs are designed to provide high throughput to end-user applications by using advanced physical layer techniques such as receiver diversity techniques including multiple-input multiple-output (MIMO), Adaptive Modulation and Coding Scheme (MCS) technology and Hybrid Automatic Repeat Request (HARQ) technology. [0003] While these advanced techniques meet the goal of delivering higher throughput for modern data-intensive applications, even on mobile networks, their use can significantly increase the power consumption of wireless communication devices, reducing battery life. In this reg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/08
CPCH04B7/0814H04B7/0822H04B7/0871H04B7/0877H04W52/0225Y02D30/70H04W24/02
Inventor S·尼姆玛拉N·达姆吉T·塔贝特宿利邢龙达季竺
Owner APPLE INC
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