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Resource size limited continuous resource representation method and device

A resource and resource block technology, applied in the field of communication, can solve the problem of less signaling overhead

Inactive Publication Date: 2012-12-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] The present invention aims to provide a continuous resource representation method and device with limited resource length, so as to solve the problem in the prior art that the signaling overhead of continuous resource representation with limited length is not the least

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  • Resource size limited continuous resource representation method and device
  • Resource size limited continuous resource representation method and device
  • Resource size limited continuous resource representation method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0110] Embodiment 1 (method-)

[0111] Assume that the number of available resources N RB =12, the maximum resource quantity L that can be continuously allocated Max =6, then,

[0112] The resulting tree structure is as Figure 5 shown. In the figure, the number of nodes at the bottom layer is 12 (equal to the number of available resources), the number of layers is 6 (equal to the maximum number of resources that can be continuously allocated), and the number of nodes in each layer is one less from bottom to top.

[0113] According to the first numbering rule, move the nodes of layer 6-k to the right of layer k-1 (k=1, 2, ..., ceil(6 / 2)) in order from right to left , and then number the moved layers in order from bottom to top and from left to right, and the generated tree nodes with node numbers are as follows Figure 5 shown;

[0114] When the starting position of the allocated continuous resource is RB start =1, the length L of continuous resources CRBs = 2, the corre...

Embodiment 2

[0124] Embodiment 2 (method 1, as a special case of limited resource length)

[0125] Assume that the number of available resources N RB =6, the maximum resource quantity L that can be continuously allocated Max =6, then,

[0126] The resulting tree structure is as Figure 6 shown. In the figure, the number of nodes at the bottom is 6 (equal to the number of available resources), and the number of layers is 6 (equal to the maximum number of resources that can be continuously allocated), and the number of nodes in each layer is one less from bottom to top.

[0127] According to the first numbering rule, move the nodes of layer 6-k to the right of layer k-1 (k=1, 2, ..., ceil(6 / 2)) in order from right to left , and then number the moved layers from bottom to top and from left to right, and the resulting tree structure with node numbers is as follows Figure 6 shown;

[0128] When the starting position of the allocated continuous resource is RB start =1, the length L of co...

Embodiment 3

[0138] Embodiment 3, adopt method two

[0139] Assume that the number of available resources N RB =12, the maximum resource quantity L that can be continuously allocated Max =6, then,

[0140] The resulting tree structure is as Figure 7 shown. In the figure, the number of nodes at the bottom layer is 12 (equal to the number of available resources), the number of layers is 6 (equal to the maximum number of resources that can be continuously allocated), and the number of nodes in each layer is one less from bottom to top.

[0141] According to the second numbering rule, move the nodes of layer 6-k to the right side of layer k (k=1, 2, ..., floor(6 / 2)) in order from right to left, and then The moved layers are numbered from bottom to top and from left to right, and the resulting tree structure with node numbers is as follows: Figure 7 shown;

[0142] When the starting position of the allocated continuous resource is RB start =1, the length L of continuous resources CRBs...

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Abstract

The invention provides a representing method of continuous resource whose resource length is limited and device. The method comprises the following steps: step S10, constructing tree-shaped structure limbing tree tip, wherein the node number of the bottommost equals to the total of the resource available, the number of layer equals to the resource number distributing to the maximum of the continuous resource whose resource length is limited and the node number of every layer decreases 1 from bottom to top orderly; step S20, setting available resource in continuous resource corresponding to the node at the bottommost layer in tree-shaped structure, each layer of node corresponding to one group of continuous resource whose length is limited and the corresponding rule is the node relative tothe resource of all nodes at the bottommost layer; step S30, transmitting the node number of node or coding form in signaling to represent the continuous resource whose length is limited corresponding to the node. The invention provides the representing method with the minimum signaling expense for the representation of the continuous resource whose length is limited.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a continuous resource representation method and device with limited resource length in 3GPP (3rdGeneration Partnership Project, 3rd Generation Partnership Project) LTE (LongTerm Evolution, Long Term Evolution). Background technique [0002] In OFDM-based systems, there are two data transmission schemes based on subcarrier mapping: DFDMA (Distributed Frequency Division Multiple Address, distributed frequency division multiple access) and LFDMA (Localised Frequency Division Multiple Address, centralized frequency division multiple access) . [0003] Centralized data transmission requires allocated resources (subcarriers or time-frequency resource blocks, hereinafter referred to as resources) to be continuous in the frequency domain. At present, the signaling representation method of continuous resources is usually represented by a tree structure, such as figure 1 shown. In thi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/44
Inventor 戴博郁光辉张峻峰
Owner ZTE CORP