Resource allocation indicating method, resource allocation method and equipment

A technology of resource allocation and resource indication value, applied in the direction of sub-channel allocation of transmission path, allocation between users/terminals, separation device of transmission path, etc.

Active Publication Date: 2013-09-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a resource allocation indication method, a resource allocation method and corresponding equipment, so as to solve the problem of how to perform resource allocation or resource allocation indication for UE

Method used

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  • Resource allocation indicating method, resource allocation method and equipment
  • Resource allocation indicating method, resource allocation method and equipment
  • Resource allocation indicating method, resource allocation method and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] In this embodiment, it is assumed that the UE can support broadband, but the maximum number of resource blocks (RBs) that can be allocated to a certain UE by the network side equipment of the communication system is limited. For this type of UE, the resource allocation indication method provided in this embodiment includes the following steps, as figure 1 shown.

[0044] 101. Obtain the maximum number N of RBs that can be allocated to a certain UE by the network side equipment of the communication system. 0 .

[0045] In this step, the network-side device of the communication system can know that the UE is a low-cost UE through information interaction with the UE, and then know the maximum RB that the network-side device of the communication system can allocate to a certain UE. QuantityN 0 . The said network side equipment may be a base station (Node B).

[0046] Herein, the number of resource blocks (RBs) that can be allocated to the UE by the network side equipme...

Embodiment 2

[0099] Based on the resource allocation indication method provided in the foregoing embodiments, this embodiment further provides a resource allocation acquisition method. Such as figure 2 As shown, the method includes the following steps.

[0100] Step 201, the user equipment receives the resource indication value RIV sent by the network side equipment, wherein the resource indication value RIV is the maximum number N of RBs that the network side equipment can allocate to the UE according to the maximum number of RBs that can be scheduled by the UE 0 The number N of resource blocks corresponding to the bandwidth that the network side device can allocate to all UEs RB Calculated resource indicator value RIV.

[0101] In this step, the bit number n of the binary number representing the calculated RIV bit satisfy

[0102] Wherein, the network side device carries the resource indication value RIV in the downlink control information DCI of the physical downlink control chan...

Embodiment 3

[0111] In this embodiment, it is assumed that the UE can only support narrowband downlink, and the narrowband is the baseband. For control information of the UE, a narrowband PDCCH, such as an enhanced PDCCH (enhanced PDCCH, e-PDCCH), is used for transmission, and the PDSCH can only be transmitted within this narrowband. For example, suppose UE narrowband only supports N 0 RB, the narrowband PDCCH and the corresponding PDSCH can only be in this N 0 Transmission within RB.

[0112] The UE resource allocation method provided in this embodiment includes the following steps, as image 3 shown.

[0113] 301. Divide the entire system bandwidth into multiple subbands, so that the bandwidth of each subband is N 0 .

[0114] The UE only supports a bandwidth of N 0 When the narrowband is narrow, the network side equipment of the communication system can divide the entire system bandwidth into multiple subbands, so that the bandwidth of each subband is N 0 .

[0115] 302. Select ...

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Abstract

The invention discloses a resource allocation indicating method. The resource allocation indicating method includes the steps that equipment at a network side obtains the largest number N0 of RBs, which can be dispatched by user equipment (UE) and is allocated by the equipment at the network side, of the UE, according to the largest number N0 of RBs which can be allocated by the equipment at the network side to the UE and can be dispatched by the UE and the number NRB of resource blocks corresponding to bandwidths which are allocated by the equipment at the network side and can be used by all the UE, a resource indicated value (RIV) is calculated, and the calculated resource indicated value (RIV) is sent to the certain set of UE. Compared with the prior art, the number of bits used by resource indication can be saved, and signaling overheads are lowered.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a resource allocation indication method, resource allocation method and equipment. Background technique [0002] The Internet of Things (Machine to Machine, M2M) is an Internet where things are connected. It can connect all objects to the Internet through information sensing devices to realize intelligent identification and management. The 3rd Generation Partnership Project (3GPP) specially set up the project team "Provision of low-cost MTC UEs based on LTE" to study low-cost (low-cost) IoT type communication (Machine Type Communication) , MTC) the introduction of user equipment (User Equipment, UE) requires enhancement or optimization of the mobile communication network. [0003] At present, the project team has identified several possible directions to reduce UE cost, such as reducing UE cost by reducing the bandwidth supported by UE. With regard to reducing th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04L5/0007H04L5/0037H04L5/0094H04W72/23
Inventor 张雯吕永霞
Owner HUAWEI TECH CO LTD
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