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Resource allocation method

A resource allocation and resource allocation message technology, applied in the field of resource allocation, can solve problems such as large resource allocation overhead, and achieve the effect of reducing resource allocation overhead and improving transmission efficiency

Inactive Publication Date: 2009-07-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If this happens a lot, it will bring a lot of resource allocation overhead

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] This embodiment configures and selects a resource description mode through node number + bit sequence. The node number is the node number of the lowest layer node including all allocated basic nodes, the number of bits contained in the bit sequence is equal to the number of basic nodes contained in the node, and the value of each bit in the bit sequence represents the basic node at the corresponding position Whether to be assigned to the terminal.

[0046] For example, if the base station wants to assign basic nodes 21, 23, 25 to the terminal, from figure 1 It can be seen from the figure that according to the resource description method of this embodiment, the node number of the lowest-level node including the basic nodes 21, 23, and 25 is 3. If this resource description method is adopted, the following can be generated: image 3 The resource allocation message shown is composed of the following fields: a field 301 indicating a resource description mode, a node number ...

Embodiment 2

[0051] In this embodiment, an existing resource description mode is configured in the base station and this mode is selected. The resource allocation information in this way is composed of node number + node number.

[0052] For example, if the base station wants to assign basic nodes 21, 22, 23, 24, 25 to the terminal, generate Figure 4 In the resource allocation message shown, the resource allocation message is composed of the following fields: a field 401 indicating a resource description mode, a node number 402 , and a node number 403 . Among them, the value of the field 401 indicating the resource description mode is "1", indicating that the resource description mode of node number + node number is adopted; the value of the node number field is "000", indicating that the number of nodes is 1; the node number The value of 403 is "00011", indicating node number 3.

[0053] 1+3+5=9 bits are required to describe the resource allocation to the terminal through the above met...

Embodiment 3

[0066] This embodiment configures and selects the triangular tree structure provided in the background technology as the resource description mode, and the resource allocation information in this mode consists of a node number.

[0067] For example, if the base station wants to allocate basic nodes 21, 22, 23 (such as figure 1 shown), then generate as Figure 7 The resource allocation message shown is composed of the following fields: a field 701 indicating a resource description mode, and a node number 702 . Wherein, the value of the field indicating the resource description mode is "00", indicating that a resource description mode using one node number is used; the value of the node number 702 is "01010", indicating that the node number is 10.

[0068] 2+5=7 bits are required to describe the resource allocation to the terminal by the above method, but more bits are needed to describe the situation by using the binary tree resource description method, and (2+7)=9 are require...

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PUM

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Abstract

The present invention discloses a resource allocating method which comprises the following steps: dividing available resource of system to N basic units; selecting a resource identification mode by the base station according to resource expenditure condition, identifying the N basic units with the selected resource identification mode which comprises a tree structure mode and a non-tree structure mode; and allocating one or a plurality of basic units in the N basic units to the terminal by the base station, and adding the number information of allocated basic units and the positional information of distributed basic units in the tree structure into the resource allocation information for transmitting to the terminal with one resource description mode selected from the following available resource description modes: a mode of node number adding with bit sequence, a mode of node number adding with node number, a mode of pure node number and a mode of pure bit sequence. The method of the invention can reduce the allocation expenditure of system resource and increases the transmission efficiency of system.

Description

technical field [0001] The present invention relates to the communication field, and more specifically relates to a resource allocation method. Background technique [0002] In a wireless communication system, a base station is a device that provides services to terminals. The base station communicates with the terminal through uplink and downlink. The downlink refers to the direction from the base station to the terminal, and the uplink refers to the direction from the terminal to the base station. Multiple terminals can simultaneously send data to the base station through the uplink, and can also receive data from the base station through the downlink at the same time. [0003] In a wireless communication system, the scheduling and allocation of all available resources of the system is usually performed by the base station. For example, the resource allocation situation when the base station performs downlink transmission and the resource situation that the terminal can u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
Inventor 鲁照华刘颖关艳峰康睿夏薇朱登魁吕开颖
Owner ZTE CORP