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Method and system for allocating PUCCH resource positions in LTE-A system

An LTE-A, resource location technology, applied in the field of communications, can solve problems such as throughput impact, inability to select channels flexibly, waste, etc., to achieve the effects of increasing flexibility, reducing occupation, and reducing waste

Active Publication Date: 2014-04-09
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0013] In the prior art, in order to ensure that the PUCCH1B CS resource positions used by different UEs will not conflict, a fixed resource is allocated for the PUCCH1B CS separately, and this resource cannot be used by other PUCCH formats.
This PUCCH1B CS resource allocation method is too wasteful of the resources of the physical uplink control channel PUCCH, which has a direct impact on the uplink throughput, and the channel used by the PUCCH1B CS cannot be flexibly selected through the field of the PDCCH

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  • Method and system for allocating PUCCH resource positions in LTE-A system

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Embodiment Construction

[0070] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0071] For LTE-A, the protocol 36.213R10 provides the application scenario of PUCCH1B CS, which is briefly described as follows:

[0072] When the UE is configured as carrier aggregation with 2 cells, it can use PUCCH1B CS to perform ACK / NACK feedback for downlink services, and the feedback occupies PUCCH resources In the FDD (Frequency Division Duplexing, frequency division duplex) and TDD (Time Division Duplexing, time division duplex) modes, the UE calculates and selects The methods and protocol processing procedures are different, which will be explained separately as follows:

[0073] Under FDD, the agreement stipulates the processing flow of PUCCH1B CS:

[0074] The UE selects a PUCCH resource position among A PUCCH reso...

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Abstract

The invention discloses a method and a system for allocating PUCCH resource positions in an LTE-A system. The LTE-A system comprises a small main cell and a small auxiliary cell. The method comprises the steps of sequentially disposing user devices UE in a user queue waiting for downlink dispatch; looking for available resource positions from the high-level configured PUCCH resource positions if the currently disposed UE belong to carrier aggregation users and have downlink service in the small auxiliary cell; using the available resource positions to allocate downlink resources for the currently disposed UE. The allocating flexibility of the PUCCH resource positions is improved, accordingly resources of a PUCCH can be fully utilized, the uplink handling capacity can be improved, and channels adopted by a PUCCH1B CS can be selected flexibly.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for allocating PUCCH resource positions in an LTE-A system, and a system for allocating PUCCH resource positions in an LTE-A system. Background technique [0002] In the LTE (Long Term Evolution, long-term evolution system) system, LTE-A (LTE-Advanced, advanced long-term evolution system) is an evolved version of LTE. In order to meet the LTE-A downlink peak speed of 1Gbps, the uplink peak speed of 500Mbps requirements , it is necessary to provide a maximum transmission bandwidth of 100MHz, but due to the scarcity of continuous spectrum with such a large bandwidth, LTE-A proposes a carrier aggregation (Carrier Aggregation, CA) solution. The so-called carrier aggregation is to aggregate two or more carrier units (Component Carrier, CC) together to support a maximum transmission bandwidth of 100MHz. [0003] PUCCH (Physical Uplink Control CHannel, physical ...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L5/00
Inventor 李静周陈芬
Owner DATANG MOBILE COMM EQUIP CO LTD
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