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Method and apparatus for resource management in a wireless communication system

A technology of a wireless communication device and a wireless communication system, which is applied in the field of resource management and can solve problems such as the inability to utilize available system resources

Active Publication Date: 2011-02-16
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for some control channels, such as the Physical Hybrid Automatic Repeat Request (HARQ) Indicator Channel (PHICH), the application of conventional layer mapping, precoding and / or resource mapping techniques results in a portion of the available system resources not being utilized

Method used

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  • Method and apparatus for resource management in a wireless communication system
  • Method and apparatus for resource management in a wireless communication system
  • Method and apparatus for resource management in a wireless communication system

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Embodiment Construction

[0030] Aspects of the invention are now described with reference to the drawings, wherein like reference numerals refer to like elements 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 aspects of the invention. It may be evident, however, that the various aspects described 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 aspects.

[0031] As used in this application, the terms "component", "module", "system" and the like are used to refer to a computer-related entity, ie: hardware, firmware, a combination of hardware and software, software, or software in execution. For example, a component may be, but is not limited to being, a process running on a processor, an integrated circuit, an object, an executable, a thread of execu...

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PUM

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Abstract

Systems and methodologies are described that facilitate improved resource management in a wireless communication system. As described herein, supergroups can be formed from groups of Physical Hybrid Automatic Repeat Request Channels (PHICHs) such that respective PHICH supergroups are multiplexed onto respective non-overlapping resource element subsets, thereby improving resource usage efficiency for the extended cyclic prefix case and limited numbers of transmit antennas. In one example described herein, even-indexed PHICH groups are mapped to a selected subset of resource elements in a group while odd-indexed PHICH groups are mapped to the remaining resource elements in the group. This mapping can be performed by modifying orthogonal sequences associated with the PHICH groups and / or by performing resource mapping in different manners for respective PHICH supergroups. Upon receiving a transmission of mapped PHICH information, a receiving entity can leverage knowledge of the mapping to decode transmitted PHICH information using the proper resource subset(s).

Description

[0001] cross reference [0002] This patent application claims priority to U.S. Provisional Application No. 61 / 038,875, filed March 24, 2008, entitled "METHODS ANDAPPARATUS FOR TRANSMIT DIVERSITY SCHEMES IN LTE," which is hereby incorporated by reference in its entirety. technical field [0003] In general, the present invention relates to wireless communication, and in particular, to techniques for resource management in wireless communication systems. Background technique [0004] Wireless communication systems are widely used to provide various communication services; for example, voice, video, packet data, broadcast and messaging services may be provided via such wireless communication systems. These systems may be multiple-access systems, which are capable of supporting communication for multiple users by sharing available system resources. Examples of such multiple-access systems include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA...

Claims

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Application Information

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IPC IPC(8): H04L1/16H04L1/06H04W48/12
CPCH04L1/1607H04W72/04H04L1/0606H04L5/0053
Inventor J·蒙托霍罗涛张晓霞
Owner QUALCOMM INC
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