Uplink sdma transmit opportunity scheduling

A technology of transmission opportunity and transmission time slot, applied in electrical components, wireless communication and other directions, can solve problems such as interference

Active Publication Date: 2012-07-04
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many challenges in such systems, such as the ability to communicate with legacy devices in addition to non-legacy devices, efficient use of resources, and interference

Method used

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  • Uplink sdma transmit opportunity scheduling
  • Uplink sdma transmit opportunity scheduling
  • Uplink sdma transmit opportunity scheduling

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Embodiment Construction

[0029] Various aspects of the disclosure are described below. It should be apparent that the teachings herein can be implemented in a wide variety of forms and that any specific structure, function, or structure and function disclosed herein is representative only. Based on the teachings herein, those skilled in the art should appreciate that a solution disclosed herein can be implemented independently of any other solutions, and that two or more of these solutions can be combined in various ways. For example, any number of aspects set forth herein may be used to implement an apparatus or practice a method. In addition, the apparatus may be implemented or the method practiced using other structure, functionality, or structure and functionality in addition to or other than one or more of the aspects set forth herein. Furthermore, a scheme may comprise at least one element of a claim.

[0030] The word "exemplary" is used herein to mean "serving as an example, instance, or ill...

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Abstract

Certain aspects of the present disclosure present medium access control (MAC) protocols for uplink Spatial Division Multiple Access (SDMA) transmissions by one or more stations (STAs). An access point (AP) may receive one or more requests for uplink SDMA transmission from a plurality of stations. The access point may schedule the transmissions by sending a signal to the stations to notify them of the parameters of the uplink SDMA transmissions such as start time, duration of the transmission, spatial streams assigned to each station, and so on.

Description

[0001] Claiming priority under 35 U.S.C. §119 [0002] This patent application claims the benefit of U.S. Provisional Patent Application Serial No. 61 / 245,145, filed September 23, 2009, entitled "Uplink SDMA Transmit Opportunity Scheduling," which is assigned to its assignee , and is hereby expressly incorporated herein by reference. technical field [0003] Certain aspects of the present disclosure relate generally to wireless communications and, more particularly, to scheduling of transmission opportunities in uplink Spatial Division Multiple Access (SDMA). Background technique [0004] In order to address the increasing bandwidth requirements imposed on wireless communication systems, different schemes are being developed to allow multiple user terminals to communicate with a single access point (AP) by sharing channel resources while achieving high data throughput. One such approach is represented by Multiple-Input or Multiple-Output (MIMO) technology, which has recentl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
CPCH04W72/1284H04W72/1289H04W72/046H04W72/21H04B7/0697
Inventor M M 文廷克
Owner QUALCOMM INC
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