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Resource allocation method and device

A technology of resource allocation and resource block, which is applied in the field of resource allocation to achieve the effect of improving the utilization rate of system resources

Active Publication Date: 2013-05-22
ZTE CORP
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present application provides a resource allocation method and device to solve the technical problem that the information in the physical uplink control channel in the existing LTE communication system occupies the middle resource block of the bandwidth

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Embodiment Construction

[0055] The embodiment of the present application solves the technical problem of mutual interference of communication channel resource blocks in the existing LTE communication system by providing a resource allocation method and device.

[0056] The technical solution in the embodiment of the present application is to solve the above problems, and the general idea is as follows:

[0057] Within a TTI, when there is data that needs to be sent from the terminal in the LTE communication system to the base station, based on the principle of minimum allocation, calculate and obtain the first information corresponding to the data that needs to be sent through the physical uplink control channel The number of resource blocks that need to be reserved is K;

[0058] Allocating the 1st to i-th resource blocks among the M resource blocks, and the M-j-th to M-th resource blocks to the first information, where i is less than j, the sum of i and j is K, and M is greater than A positive int...

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Abstract

The invention provides a resource allocation method and a device. The resource allocation method and the device solve the technical problem that information in a physical uplink control channel (PUCCH) of an existing long term evolution (LTE) communication system occupies a resource block in the middle of bandwidth. The resource allocation method comprises that in a transmission time interval (TTI), when data needs to be transmitted to a base station from a terminal of the LTE communication system, based on the minimum allocation principle, calculating that the number of resource blocks which need reserving by the PUCCH, corresponding to data is K; allocating 1-I resource blocks in M resource blocks, and allocating M-J-M resource blocks to first information; in the TTI, calculating that the number of resource blocks which need sending by the PUCCH, corresponding to data is P; judging whether P is larger than K; if the P is larger than the K, based on the maximum allocation principle, 1-i+(Q-K) / 2 resource blocks in the M resource blocks are allocated, and J-(Q-K) / 2-M resource blocks are allocated to the second information.

Description

technical field [0001] The present application relates to the field of wireless communication, and in particular to a method and device for resource allocation. Background technique [0002] In the LTE wireless communication system, frequency resources are allocated in units of RB (Resource Block), and each communication channel can only transmit data if it is allocated with RB resources, and the channels that need RB resource allocation in the uplink include PUCCH ( Physical Uplink Control Channel), PUSCH (Physical Uplink Shared Channel) and PRACH (Physical Random Access Channel), the coding and debugging methods among the three channels are different. If the RB resources are not properly allocated, it will cause The transmitted data interferes with each other, affecting key performance indicators such as system resource utilization. [0003] It can be seen that allocating resource blocks reasonably for each communication channel in the uplink is very important for the sta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04W72/535
Inventor 刘卓余西谢忠时
Owner ZTE CORP
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