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Resource scheduling and data transmission methods and devices

A resource scheduling and resource technology, applied in the field of communication, can solve problems such as limited PDCCH capacity, and achieve the effect of improving system resource utilization.

Active Publication Date: 2012-01-25
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0026] The embodiment of the present invention provides a method and device for resource scheduling and data transmission, which are used to solve the problem of limited PDCCH capacity when there are a large number of UEs using small data packet services in the system, thereby improving the utilization rate of system resources

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  • Resource scheduling and data transmission methods and devices
  • Resource scheduling and data transmission methods and devices
  • Resource scheduling and data transmission methods and devices

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Embodiment Construction

[0052]Embodiments of the present invention provide a method and device for resource scheduling and data transmission, which solve the problem of limited PDCCH capacity when there are a large number of UEs using small data packet services in the system, thereby improving system resource utilization.

[0053] PDCCH capacity limitation will affect system resource utilization. In order to improve this situation, an embodiment of the present invention proposes a solution to PDCCH capacity limitation, that is, resource scheduling is performed based on UE grouping. During resource allocation, all or some UEs in the system are grouped, and resource scheduling is performed based on UE grouping. A PDCCH for resource scheduling of a UE group has a certain effective time, and within the effective time, the UEs in the group share the PDCCH allocation time-sharing Resources.

[0054] The technical solutions provided by the embodiments of the present invention will be described below in conj...

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Abstract

The invention discloses a resource scheduling method, a data transmission method, a resource scheduling device and a data transmission device, which are used for solving the problems of limitations to the capacity of a physical downlink control channel (PDCCH) when a great number of users use a small-data packet service in a system and increasing the resource utilization rate of the system. The resource scheduling method provided by the invention comprises the following steps of: grouping user equipment (UE) in the system, and informing the UE of UE grouping information, wherein the UE grouping information is used for determining the moment of enjoying group scheduling resources allocated by the PDCCH by the UE; and performing UE group resource scheduling based on a UE group by using the PDCCH.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a resource scheduling and data transmission method and device. Background technique [0002] For the Long Term Evolution (LTE) system, it is found through simulation that when a large number of users in the system use small data packet services, such as games, instant chat, etc., the capacity of the Physical Downlink Control Channel (PDCCH) will be affected. That is, the system has remaining resources, but these resources cannot be scheduled because the PDCCH has been exhausted. [0003] In the LTE system, generally speaking, a downlink subframe includes two areas, the control area used to transmit control information, and the data area used to transmit data information, such as figure 1 As shown, wherein, the downlink control channel carried by the control region includes: [0004] Physical layer control format indication channel (Physical Control Format Indicat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12
Inventor 赵亚利刘佳敏
Owner DATANG MOBILE COMM EQUIP CO LTD
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