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Power savings in a mobile communications device through dynamic control of processed bandwidth

A mobile communication device and bandwidth technology, applied in wireless communication, power management, electrical components, etc., can solve problems such as excessive power consumption and consumption

Inactive Publication Date: 2013-09-25
BROADCOM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, when these small and fast transistors are packaged with millions or even hundreds of millions of other transistors, they draw so much power that removing the waste heat and maintaining decent battery life becomes a serious problem

Method used

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  • Power savings in a mobile communications device through dynamic control of processed bandwidth
  • Power savings in a mobile communications device through dynamic control of processed bandwidth
  • Power savings in a mobile communications device through dynamic control of processed bandwidth

Examples

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Embodiment Construction

[0033] The following specific embodiments explain exemplary embodiments according to the present invention with reference to the accompanying drawings. References in the detailed description to "one exemplary embodiment," "an exemplary embodiment," "an exemplary embodiment," etc. mean that the described exemplary embodiment may include a particular feature, structure, or characteristic, but does not necessarily Each exemplary embodiment includes the specific feature, structure or characteristic. Moreover, such terms are not necessarily referring to the same exemplary embodiment. Furthermore, when a particular feature, structure, or characteristic is described in conjunction with an exemplary embodiment, it is within the purview of persons of ordinary skill in the relevant art to modify such feature, structure, or characteristic in accordance with other exemplary embodiments, whether explicitly set forth or not. within.

[0034] The exemplary embodiments described herein are ...

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Abstract

The invention discloses power savings in a mobile communications device through dynamic control of processed bandwidth. User equipment (UE) in a cellular communication system is capable of both high data rate uses such as streaming video and low data rate uses such as voice. UE in accordance with the disclosure camps on to a cell with a narrow bandwidth downlink when its data rate requirements are low, rather than a cell with a wide bandwidth download. Since the computational burden of processing the narrow bandwidth downlink signals is less than that for processing the wide bandwidth downlink signals, a power reduction in the UE is realized from the reduced computational load. A normal handover between cells with wide and narrow bandwidth downlinks can be used. Alternatively, a single cell can dynamically change its downlink bandwidth resulting in a reduced computational load and reduced power consumption in the UE.

Description

technical field [0001] The present invention relates generally to mobile communications, and more particularly to reducing the power consumption of mobile communications devices that temporarily have low data rate requirements. Background technique [0002] Advances in semiconductor fabrication technology and digital system architectures have enabled designers to produce electronic devices that combine significant computing resources with large amounts of volatile and nonvolatile memory at prices relatively affordable to the consumer market. Similar advances in modulation schemes, antenna design, and battery technology are driving the design and manufacture of cost-effective mobile communication devices. Examples of such mobile communication devices include mobile phones, smartphones, and the like. [0003] Mobile phones, especially smartphones, have outstanding computing capabilities by utilizing advanced semiconductor chips to execute various applications. In fact, a sig...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W36/30
CPCH04W36/165H04W36/26H04W52/0261Y02D30/70H04W36/142H04W52/02H04W28/20H04W36/38H04W36/14
Inventor 拉斐尔·卡蒙奥哈德·弗朗德
Owner BROADCOM CORP
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