Method for distributing resources, network equipment and wireless system

A resource allocation and resource block technology, applied in the field of resource allocation and wireless systems, can solve problems such as resource loopholes, waste, and LTE-A system incompatibility, and achieve the effect of ensuring compatibility and avoiding resource conflicts.

Active Publication Date: 2010-06-30
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] In the process of implementing the present invention, the inventor found that the existing technology has at least the following problems: the existing LTE-A resource allocation technology is based on the resource allocation granularity determined according to the entire system bandwidth after all branch carriers are aggregated, and this allocation technology will cause LTE -Backward incompatibility of A system, resource leaks and waste

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  • Method for distributing resources, network equipment and wireless system
  • Method for distributing resources, network equipment and wireless system
  • Method for distributing resources, network equipment and wireless system

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Embodiment Construction

[0026] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0027] In the downlink resource allocation of the LTE system, the resource allocation signaling corresponding to each time transmission unit carries the type of end user resource allocation and the corresponding resource allocation information, which are divided into RA type0, RAtype1, and RA type2. RA type0 indicates the allocation of resource block groups (RBG) in the form of bitmap (Bitmap), where each bit indicates whether the corresponding RBG is allocated or not. One RBG is the minimum granularity of resource allocation. Each resource block group ( RBG) includes several resource blocks (Resource Block, RB). The number of resource blocks included in each resource block group is determined by the total number of all RBs included in the system bandwidth, that is, the size of the RBG is a function of the number of RB...

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Abstract

The invention discloses a method for distributing resources, network equipment and a wireless system. The method comprises the following steps of: confirming resource distributing granularity in an evolution system according to the resource distributing granularity of an obtained backward compatible system; and indicating the resource distributing condition in the evolution system according to the resource distributing granularity in the evolution system. The resource distributing granularity of bandwidth after branch carriers are polymerized in the evolution system can be confirmed according to the resource distributing granularity of the bandwidth of the branch carriers in the backward compatible system so as to indicate the resource distributing condition after the branch carriers are polymerized in the evolution system or the resource distributing granularity of bandwidth of all branch carriers in the evolution system can be confirmed according to the resource distributing granularity of the bandwidth of all branch carriers in the backward compatible system so as to indicate the resource distributing condition of all branch carriers in the evolution system. By the embodiment of the invention, the compatibility of the resource distribution of an LTE-A terminal and an LTE terminal can be maintained, and the cost of a resource distributing signaling is saved.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to a resource allocation method, network equipment and a wireless system. Background technique [0002] In the Long Term Evolved (LTE) system, the network notifies each terminal in the network of the exact system bandwidth used for the uplink and downlink through broadcast signaling, and then the terminal then uses resource blocks (Resource Blocks) included in the system bandwidth to The number of blocks (RB) determines the resource allocation granularity of certain resource allocation methods, for example, the granularity of downlink resource allocation methods 0 and 1 (Resource allocation type 0 / 1, RA type 0 / 1). Afterwards, the network will also send specific resource allocation information to the terminal that needs to transmit data through resource allocation signaling, and the terminal determines the location of the time-frequency resource specifically allocated by t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W28/12
Inventor 薛丽霞
Owner HUAWEI TECH CO LTD
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