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Method and system for communication resource distribution

A technology for communication resources and communication allocation, which is applied in the directions of transmission path sub-channel allocation, transmission system, wireless communication, etc., and can solve problems such as link diversity limitation

Active Publication Date: 2008-06-18
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The disadvantage of this solution is that link diversity is limited

Method used

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  • Method and system for communication resource distribution
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  • Method and system for communication resource distribution

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Embodiment Construction

[0025] As mentioned above, in the data packet-based multi-user communication system, communication may be performed using frequency-concentrated channels, and the frequency-concentrated channels refer to channels allocated to users according to the channel quality feedback. Also as mentioned above, under certain circumstances, such as when the user is moving fast, causing the feedback channel quality metric value to be outdated and useless by the time it reaches the base station, or when the delay requirement and data rate of the communication data are very low, the frequency Centralized channels are not applicable. In such cases, it is often preferred to use frequency discrete channels for communication.

[0026] Therefore, a system is required that can realize both types of communication at the same time.

[0027] When frequency-concentrated and frequency-discrete channels are used at the same time, these channels must be complementary (that is, the resources they use do no...

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Abstract

The present invention relates to a method for allocating communication resources in a multi-user cellular communication system, wherein communication resources are divided in time periods and frequency sub-bands, wherein part of the communication resources are used for frequency-localized communication channels, and part of the communication resources are used for frequency distributed channels. The method further comprises the steps of classifying part of the frequency sub-bands as frequency sub-bands carrying frequency-distributed channels, classifying the remaining part of the frequency sub-bands as frequency sub-bands carrying frequency-localized channels. The present invention also relates to a system, a transmitter and a communication system.

Description

technical field [0001] The invention relates to a wireless communication system, in particular to a method for allocating communication resources, which can be used in a multi-user cellular communication system based on data packets. Background technique [0002] In a packet-based multi-user cellular communication system, such as a multi-user Orthogonal Frequency Division Multiplexing (OFDM) system, a scheduling device decides which radio resources are allocated to which users and when. Users often report their wireless channel quality to the base station, and the base station makes scheduling decisions based on the reported channel quality. On the uplink, the base station can measure the channel quality, for example, measure the channel quality through the pilot signal sent by the user. The scheduler can take advantage of the independence of different user channel changes for scheduling, that is, when one or more user channels are fading, or when one or more channels assig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/20H04W72/54
CPCH04W72/085H04W72/04H04B7/2615H04L5/0039H04L5/0041H04L5/0082H04L5/0094H04L5/0012H04L5/0005H04W72/23H04W72/542H04W24/10H04B1/713H04B2201/713H04L5/003
Inventor 雅普·范·德比克奥斯卡·莫里兹布兰尼斯拉夫·波波维奇
Owner HUAWEI TECH CO LTD
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