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Antenna and power joint allocation algorithm based on group match

A technology of joint allocation and base station antennas, applied in power management, wireless communication, electrical components, etc., can solve the problems of sacrificing system throughput performance, poor QoS guarantee and channel adaptability, and high algorithm complexity

Active Publication Date: 2016-10-26
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0010] Therefore, the system throughput of the dual iterative allocation algorithm among the existing algorithms is the highest, but the algorithm complexity is relatively high, and the fairness among users is the worst, and its QoS (Quality of Service, Quality of Service) guarantee and The channel adaptation performance is inversely proportional, that is, only one of the two can be optimized; the average allocation algorithm is the simplest to implement, which can guarantee the fairness among users to the greatest extent, but sacrifices the system throughput performance, and its guarantee for QoS and channel adaptation performance is also relatively poor

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  • Antenna and power joint allocation algorithm based on group match
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  • Antenna and power joint allocation algorithm based on group match

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[0155] A Joint Power and Antenna Allocation algorithm (JAPA) based on group matching and LASSO operator. The simulation scene is set as the common simulation network configuration of massive MIMO network. A base station is arranged in the center of the cell, and users who need to rely on the base station for relay communication are randomly distributed within a radius circle of 500 meters around it. Assuming that orthogonal channels are used for resource allocation between users, there is no interference between different users, and large-scale fading channels are considered. The detailed simulation parameters are shown in Table 1:

[0156] Table 1

[0157] parameter

value

bandwidth

10MHz

noise power

-124dBm / Hz

Base station transmit power upper limit

1μW / Hz

Sending user transmission power upper limit

1mW / Hz

[0158] The communication modeling of the present invention includes two parts: from the sending user S k ...

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Abstract

The invention discloses an antenna and power joint allocation algorithm based on group match, which belongs to the field of mobile communication. The algorithm comprises the following steps: firstly, a simulation scene for an MIMO relay network is built; each transmission user transmits channel state information to a base station, and a channel state matrix is formed; the base station sets a threshold, transmission users are grouped, with the group as a unit, power of a transmission antenna in each group is adjusted and allocated, and the power is broadcasted to the transmission users; and finally, the base station uses groups of receiving users as units, power of all base station antennas in each group is adjusted and allocated, antennas inside the base station transmit data of the transmission users to the receiving users according to the power value after adjustment, and the communication process is over. The antenna and power joint allocation algorithm based on group match has the advantages that the group match algorithm is introduced in relay system resource allocation, the system resource allocation complexity is reduced, the calculation time is saved, and while QoS requirements of a user system are ensured, the system spectrum efficiency is maximum.

Description

technical field [0001] The invention belongs to the field of mobile communication, in particular to an antenna and power joint allocation algorithm based on group matching. Background technique [0002] Since the 21st century, the global economy has developed rapidly, science and technology are changing with each passing day, and high-speed communication technology is gradually applied to various fields of social life. The requirements of the information age for future communications are concentrated in: high reliability, high energy efficiency, low delay and high quality. The current third-generation and fourth-generation mobile communication technologies partially fulfill the above requirements, while sacrificing some other aspects of performance. Today, with the rapid development of the communication industry, these technologies can no longer meet the needs of users; how to effectively process massive information and transmit these information in a timely and efficient m...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/24H04W52/26H04W52/34H04W52/42
CPCH04W52/241H04W52/265H04W52/346H04W52/42
Inventor 张鹤立刘博文纪红李曦王珂
Owner BEIJING UNIV OF POSTS & TELECOMM
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