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Method, device and system for scheduling resources

A resource scheduling and user system technology, applied in the field of resource scheduling, can solve the problem of low sensing accuracy of the sensing module, achieve the effects of improving spectrum utilization, avoiding mutual interference, and saving system resources

Active Publication Date: 2010-01-20
HONOR DEVICE CO LTD
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  • Description
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a resource scheduling method to solve the problem of low perception accuracy of the perception module

Method used

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  • Method, device and system for scheduling resources
  • Method, device and system for scheduling resources
  • Method, device and system for scheduling resources

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Embodiment 1

[0032] Embodiment 1. Based on the principle of considering the total throughput of the centralized CR system, the centralized CR system is the second user system, and the user system using the authorized frequency band is the first user system. The first user system can be any wireless communication system. system.

[0033] Before introducing the steps of this embodiment, for ease of understanding, first, introduce the features of the first user system in the embodiment of the present invention. The first user system can be any wireless system, for example, it can be a TV user system, a 74 equipment system or For other wireless systems, therefore, the service of the first user system can be a TV signal, and can also be a burst application service (for example: voice over Internet protocol technology VoIP, Internet browsing, video streaming, etc.), for these burst services, not every Each frame has data transmission. Therefore, a frequency band unit can be divided into several...

Embodiment 2

[0070] Embodiment 2 is based on the principle of considering the fairness of the centralized CR system.

[0071] According to the resource scheduling method provided in the embodiment of the present invention, the base station of the second user system performs resource scheduling according to RSI and CSI, which may include the following steps:

[0072] B1: The terminal of the second user system perceives the idle subchannel of the first user system.

[0073] Assume that in the centralized CR system, the second user system has K terminals, and each terminal is called the k-th terminal (where k are 1, 2, 3, ..., K respectively), and the first user system has M sub-channel. In a sensing time slot, K users sense M sub-channels.

[0074] B2: Each terminal of the second user system performs a binary decision on each subchannel to determine whether each subchannel is available.

[0075] B3: In the control time slot, each terminal of the second user system feeds back the RSI (incl...

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Abstract

The invention discloses a method, a device and a system for scheduling resources. The method comprises the following steps: receiving a perception information report RSI of a first user system and a channel status CSI of a second user system from a terminal; and scheduling the resources for a subchannel according to the RSI and the CSI. The device comprises a receiving unit and a resource scheduling unit. The system comprises a base station which is used for receiving the perception information report RSI of the first user system and the channel status CSI of the second user system from the terminal and scheduling the resources for the subchannel according to the RSI and the CSI. Through the method, the device and the system, the system resources are saved, the frequency spectrum utilization rate is improved, and the first user system and a centralized CR system are prevented from mutual interference.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a resource scheduling method, device and system. Background technique [0002] The development of wireless communication technology is becoming more and more difficult to meet people's needs in the field of wireless access. In order to alleviate this contradiction, people use new frequency bands to continuously develop new wireless access technologies. However, due to the The size and power of node antennas are limited, and the frequency bands that can be used for wireless access technologies are very limited. The appearance of Cognitive Radio (CR, Cognitive Radio) technology has created a new situation for solving the problem that the frequency bands that nodes can use for wireless access technology are very limited. [0003] CR technology refers to a wireless communication technology that includes an intelligent transceiver. The transceiver can intelligent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/00H04B7/005
CPCH04W72/1231H04W72/542
Inventor 刘坚能王锐吕林军
Owner HONOR DEVICE CO LTD
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