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System and method for uplink timing synchronization in conjunction with discontinuous reception

A link and receiver technology, applied in the field of uplink timing synchronization, can solve problems such as wasting throughput and reducing battery life

Active Publication Date: 2011-04-20
BLACKBERRY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Assuming the UE does not always have data to transmit, maintaining uplink synchronization can be problematic, waste throughput and / or reduce battery life

Method used

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  • System and method for uplink timing synchronization in conjunction with discontinuous reception
  • System and method for uplink timing synchronization in conjunction with discontinuous reception
  • System and method for uplink timing synchronization in conjunction with discontinuous reception

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Embodiment Construction

[0027] It should be understood at the outset that although an exemplary implementation of one or more embodiments of the present disclosure is provided below, the disclosed systems and / or methods may be implemented using any technique, whether currently known or in existence . In any event, the disclosure should not be limited to the exemplary implementations, drawings, and techniques illustrated below, including the exemplary designs and implementations shown and described herein, but rather the disclosure may be found within the scope of the appended claims and modified within the scope of all equivalents thereof. figure 1 An exemplary cellular network 100 is shown in accordance with an embodiment of the disclosure. Cellular network 100 may include multiple cells 102 1 、102 2 、102 3 、102 4 、102 5 、102 6 、102 7 、102 8 、102 9 、102 10 、102 11 、102 12 、102 13 、102 14 (collectively referred to as cells 102). As will be apparent to those skilled in the art, each of...

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PUM

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Abstract

Systems and methods for controlling sounding reference signal transmission are provided; a user equipment starts transmitting the sounding reference signal in anticipation of uplink data transmission, and then discontinues transmitting the sounding reference signal after completion of uplink data transmission.

Description

technical field [0001] The present invention relates to systems and methods for uplink timing synchronization. Background technique [0002] In traditional wireless telecommunications systems, transmission equipment in a base station transmits signals through geographical areas called cells. As technology has evolved, more advanced network access equipment has been introduced that can provide services that were not previously possible. This advanced network access equipment may include, for example, enhanced Node-Bs (eNBs) instead of base stations, or other systems and devices that are more advanced than their counterparts in traditional wireless telecommunications systems. Such advanced or next-generation equipment is typically referred to as Long Term Evolution (LTE) equipment. For LTE devices, the area in which a wireless device can access the telecommunications network is called something other than a "cell," such as a "hot spot." As used herein, the term "cell" will ...

Claims

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Application Information

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IPC IPC(8): H04W56/00H04W88/02H04W72/04H04B7/26
CPCH04W84/042H04L27/2662H04W56/0005H04L5/003H04L5/0094H04L5/0053H04L5/0016H04W52/0216H04W52/02H04L5/0048H04W48/08H04W52/0225H04W72/04H04W76/28H04W72/21H04W72/20Y02D30/70
Inventor 詹姆斯·厄尔·沃马克蔡志军
Owner BLACKBERRY LTD
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