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Ground base station, and resource allocation method and communication system based on satellite cluster

A satellite cluster and resource allocation technology, applied in machine-to-machine/machine-type communication services, wireless communication, electrical components, etc., can solve problems such as short-term fairness, complex wireless resource management, and inability to guarantee, and achieve mitigation The effect of service pressure, simple wireless resource management, and simple algorithm

Inactive Publication Date: 2018-10-12
BEIJING UNIV OF POSTS & TELECOMM +1
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Problems solved by technology

Although the random allocation method achieves long-term fairness (this fairness is more suitable for file transmission), since not all users can be served in every time slot, this method cannot achieve short-term fairness, and short-term fairness More important in streaming application services
[0013] To sum up, the existing D2D technology applied to the satellite networking system has a very complex wireless resource management problem; while the existing MCS allocation method applied to the satellite networking system cannot guarantee a high QoS, or cannot achieve The problem of short-run fairness

Method used

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  • Ground base station, and resource allocation method and communication system based on satellite cluster
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  • Ground base station, and resource allocation method and communication system based on satellite cluster

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Embodiment Construction

[0059] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0060] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0061] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that when an element is referred to as being "connected" or "coupled" to another el...

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Abstract

The invention discloses a ground base station, and a resource allocation method and a communication system based on a satellite cluster. The method comprises the following steps: for a user terminal in which services are allocated to a satellite in the satellite cluster, performing sub-group division on the user terminal according to a channel quality indicator CQI value; allocating a modulation code mechanism MCS service of a corresponding level to each sub-group according to the CQI value of each sub-group user terminal; calculating a resource allocation weight of the MCS service of each level according to the minimum data rate of the allocated MCS service of each level; and respectively calculating the number of resource blocks RB allocated to each sub-group according to the resource allocation weight of the MCS service allocated to each sub-group. By application of the resource allocation method disclosed by the invention, the wireless resource management is simple, relatively highQoS can be ensured, and the resource allocation fairness is satisfied.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a ground base station, a resource allocation method and a communication system based on satellite clusters. Background technique [0002] With the development of wireless communication technology, more and more users hope to enjoy the same communication service whether at home, in remote mountainous areas, at sea or in the air. Especially in the coming 5G era, the demand for data transmission is expected to reach 1,000 times the current level, and 2 / 3 of the traffic is multimedia services. Multimedia content distribution services often have a large number of users, so the frequency bandwidth and resources occupied are relatively large, and the key technical indicators of future 5G require that users can successfully access the network no matter where they are, but only relying on the current spectrum available for ground mobile and Can not meet the needs o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04W72/12H04W84/06
CPCH04W4/70H04W72/121H04W84/06H04W72/542
Inventor 赵永利杨柳郁小松衣龙腾张杰
Owner BEIJING UNIV OF POSTS & TELECOMM
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