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Method for reducing resource allocation spending

A technology for resource allocation and resource allocation information, applied in the field of wireless communication, 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: 2011-09-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another example is the basic node assigned to a certain terminal such as figure 1 For the 15 basic nodes 31-45 shown in , if only through the form of node description, nodes 3, 9, 21 and 45 need to be described, and 4 (the number of bits required to describe the number of nodes)+4×6=28 Bits, if this happens a lot, it will bring a lot of resource allocation overhead

Method used

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  • Method for reducing resource allocation spending
  • Method for reducing resource allocation spending
  • Method for reducing resource allocation spending

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] This embodiment configures and selects a resource description mode that includes a node number plus a 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.

[0041] For example, if the base station wants to assign basic nodes 31, 33, 35, 37 to a terminal (MS), 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 layer node including the basic nodes 31, 33, 35, and 37 is 3. If this resource description method is used, 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...

Embodiment 2

[0046] This embodiment configures and selects a resource description mode that is composed of length information of resource allocation information and multiple node numbers, and there is an inclusion relationship between nodes, but it is different from the existing mode. First record the node number of the lowest level node including all allocated basic nodes (also known as the main node number), and then record the node numbers representing all basic nodes in the lowest level node but not allocated (there may be one or more , which can be the basic node number, or the upper-level node number whose basic nodes are not assigned).

[0047] For example, if the base station wants to allocate basic nodes 31-45 for the terminal MS, from figure 1 As can be seen from , the node number of the lowest layer node including basic nodes 31-45 is 1, and node 46 is included in node 1 but not allocated. According to the resource description method of this embodiment, the resource allocation ...

Embodiment 3

[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 manner is also composed of the length information of the resource allocation information and multiple node numbers, but there is no inclusion relationship between nodes.

[0052] For example, if the base station wants to allocate basic nodes 31 and 42 for the terminal MS, it generates a resource allocation message as shown in Figure 5, which consists of the following fields: field 501 indicating resource description mode, node number 502, first node number 503 and the second node number 504 . Among them, the value of the field indicating the resource description mode is "11", indicating that the resource description mode of this embodiment is adopted; the number of nodes is 0010, indicating that there are two nodes; the value of the first node number 503 is "011111", representing the node No. 31, the value of...

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PUM

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Abstract

The invention relates to a method of reducing resource distribution overhead, where system available resource is divided into plural basic units described in a manner of bottom nodes of a binary tree; after the base station distributes resource for the terminal, choosing a description way of smallest overhead according to the disposed plural resource description way and resource distributed currently, to create corresponding resource description way information and resource distribution information with the description way, writing said information into the resource distribution information to be transmitted to a terminal. The advantage of the invention includes that in a wireless communication system scheduled and controlled centralized by the base station, the base station chooses to create reasonable and effective resource distribution information to the terminal so as to reduce system resource distribution overhead and increase transmission system efficiency.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and specifically relates to a method for effectively reducing system resource overhead when a base station sends a resource allocation message to a terminal. 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 that adopts the centralized scheduling control of the base station, the scheduling and allocation of all available resources of the system are perfo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04B7/26
Inventor 鲁照华许玲刘颖曲红云方惠英关艳峰康睿
Owner ZTE CORP