Resource allocation optimization method based on dynamic adjustment of MF-TDMA single-beam satellite communication system

A technology of MF-TDMA and satellite communication system, applied in the field of resource allocation optimization based on dynamic adjustment of MF-TDMA single-beam satellite communication system

Active Publication Date: 2019-09-10
军事科学院系统工程研究院网络信息研究所
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  • Description
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  • Application Information

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Problems solved by technology

The FDMA satellite communication system cannot do this, it can only communicate with the link under the same ground station and the link under another ground station

Method used

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  • Resource allocation optimization method based on dynamic adjustment of MF-TDMA single-beam satellite communication system
  • Resource allocation optimization method based on dynamic adjustment of MF-TDMA single-beam satellite communication system
  • Resource allocation optimization method based on dynamic adjustment of MF-TDMA single-beam satellite communication system

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Embodiment Construction

[0058] The present invention adopts dynamic adjustment MF-TDMA satellite communication system resource allocation algorithm, optimizes link application allocation carrier, specifically:

[0059] Step 1, perform carrier allocation for the carrier application.

[0060] frame length T frame is 110ms, the number of link applications N is 30, the number of carriers W is 4, and the carrier symbol rate S n 64K, 2×64K, 4×64K, 8×128K, each carrier time slot length L n 10, 7, 5.5, 3, the slot header length H n is 128 symbols, and the slot tail length is T n is 0.1, the modulation and coding modes supported by the system are The maximum bit error rate allowed by the system is e -6 , the threshold bit signal-to-noise ratio during demodulation of the modulation coding mode are 3, 4.2, 5.4, 6.5, 7.8, and 9.8, the EIRP values ​​of each ground station are 76, 68, 64, 60, 48, and 43, and the business volume of link applications obeys an exponential distribution with a mean value of 60K...

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Abstract

The invention discloses a resource allocation optimization method based on dynamic adjustment of an MF-TDMA single-beam satellite communication system. The method comprises the following steps: step 1, carrying out carrier allocation according to a service amount of a link application; step 2, dynamically adjusting the modulation coding mode of each link application by adopting a quantum immunization method; and step 3, allocating the time slot required by the link application on the carrier. On the basis that system time-frequency resources are fully utilized and the link application servicevolume is met, the MF-is realized by dynamically adjusting the modulation coding mode of each link application; and reasonable allocation of TDMA single-beam satellite communication system resources is realized.

Description

technical field [0001] The invention belongs to the technical field of satellite communication, in particular to a resource allocation optimization method based on dynamic adjustment of MF-TDMA single-beam satellite communication system Background technique [0002] In the MF-TDMA satellite communication system, the system resources to be allocated are two-dimensional frequency domain and time domain resources. NCC divides frequency domain and time domain resources in the form of carriers and time slots, and packages different time slots on different carriers to different users to meet their service requirements. Compared with the one-dimensional resource allocation problem in the SCPC system, the MF-TDMA two-dimensional resource allocation strategy is more flexible, but it is this flexibility that increases the difficulty of resource allocation. In addition, compared with the SCPC technology, the MF-TDMA technology requires multiple carriers to be synchronized in time, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04W72/04
CPCH04B7/18519H04W72/0453H04W72/0446
Inventor 和欣尹浩潘小飞董飞鸿王甲胡向晖
Owner 军事科学院系统工程研究院网络信息研究所
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