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Opportunistic uplink scheduling

A technology of link transmission and time slot, applied in the direction of wireless communication, electrical components, etc., can solve the problems of low efficiency, not the optimal achievable rate, etc.

Inactive Publication Date: 2014-05-14
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sustainable rates may lead to inefficiencies due to the presence of inter-cell and intra-cell interference, as such sustainable rates may not be optimal achievable rates for users

Method used

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  • Opportunistic uplink scheduling
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  • Opportunistic uplink scheduling

Examples

Experimental program
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Embodiment Construction

[0040] Various embodiments are now described with reference to the drawings, wherein like numerals are used to refer to like parts throughout. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It is evident, however, that the embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

[0041] As used in this application, the terms "component", "module", "system" and the like mean a computer-related entity, which may be hardware, firmware, a combination of hardware and software, software, software in execution. For example, a component may be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and / or a computer. For example, bot...

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PUM

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Abstract

Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and / or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s).

Description

technical field [0001] The following description relates to wireless communications in general and, in particular, to uplink scheduling in wireless communications systems. Background technique [0002] Wireless communication systems are widely deployed to provide various types of communication; for example, voice and / or data may be provided over these wireless communication systems. A typical wireless communication system or network may provide multi-user access to one or more shared resources. For example, a system may employ multiple access techniques such as Frequency Division Multiplexing (FDM), Time Division Multiplexing (TDM), Code Division Multiplexing (CDM), Orthogonal Frequency Division Multiplexing (OFDM), and so on. [0003] A common wireless communication system utilizes one or more base stations that provide a coverage area. A typical base station can transmit multiple data streams for broadcast, multicast, and / or unicast services, where a data stream can be a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/08H04W72/12H04W72/54
CPCH04W72/0406H04W72/12H04W72/082H04W72/20H04W72/541
Inventor X·吴S·兰格恩P·汉德A·达斯厉隽怿
Owner QUALCOMM INC