Partially overlapping channel aggregation game model and learning algorithm

A channel aggregation and game model technology, applied in wireless communication, electrical components, network planning, etc., can solve the problem of small network throughput, reduce ground interference, and improve network throughput

Active Publication Date: 2018-10-26
ARMY ENG UNIV OF PLA
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Problems solved by technology

However, few researchers have studied the interference model and spectrum resource optimization after combining partially overlapping channels and channel aggregation, so there is a lot of interference between users, and the network throughput is small

Method used

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  • Partially overlapping channel aggregation game model and learning algorithm
  • Partially overlapping channel aggregation game model and learning algorithm
  • Partially overlapping channel aggregation game model and learning algorithm

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Embodiment 1

[0089] A specific embodiment of the present invention is described as follows: the system simulation uses Matlab software, and the parameter setting does not affect the generality; N users are randomly arranged in a 150m×150m network scene, and the maximum number of channel aggregation users is 3. The number of channels is 11. One hop distance between users is 60, the noise power is -110dBm, and the total power of users is 0.1W. The simulation results shown are the average values ​​after 100 simulations.

[0090] The algorithm of the demand-oriented partially overlapping channel aggregation game model of the present invention, the specific process is as follows:

[0091] Step 1: Initialize, set the number of iterations j=0, each user n∈N selects a random channel aggregation strategy.

[0092] Step 2: Channel aggregation policy update (loop):

[0093] ① All users interact with each other.

[0094] ② Each iteration randomly selects a user n to operate.

[0095] ③ All other ...

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Abstract

The invention discloses a partially overlapping channel aggregation game model and a learning algorithm. The model is: considering the users requiring heterogeneous services in the regular network, combining the partially overlapping channel model and the channel aggregation technology to construct a corresponding interference model, and optimizing the network throughput by adjusting the channel aggregation strategy. The algorithm comprises: a local cooperative game model is constructed, participants are all the users in the network; each user divides other users into neighbor users and non-neighbor users; each user randomly selects a channel aggregation policy to access, and calculates all the selectable utility functions corresponding to the channel aggregations policy, the user selectsthe channel aggregation policy that may bring the optimal utility to access; the iteration is cycled until the channel selection of all the users converges or reaches the set number of iterations; andthe throughput of the whole network is calculated after the end of the cycle. The invention effectively reduces the interference between users and improves the data throughput of the network.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, in particular to a partially overlapping channel aggregation game model and a learning algorithm. Background technique [0002] The shortage of spectrum resources and the increase of service traffic have become an important problem in the communication field, which makes it more and more important to realize efficient utilization of spectrum resources in wireless networks. In response to this problem, a wireless access model with partially overlapping channels was proposed (references: Yong Cui, Wei Li, Xiuzhen Cheng, "Partially Overlapping Channel Assignment Based on Node Orthogonality for 802.11 Wireless Networks," Proc.2012IEEE INFOCOM, pp .361-365, 2012.) to improve spectrum resource utilization; someone proposed channel aggregation in an orthogonal channel scenario (references: Shaunak Joshi, Przemyslaw Pawelczak, Danijela Cabric, John Villasenor, "When Channel Bonding is Bene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/04H04W16/22H04W72/04
CPCH04W16/04H04W16/22H04W72/53Y02D30/70
Inventor 王金龙徐以涛张玉立任国春江汉徐煜华李洋洋
Owner ARMY ENG UNIV OF PLA
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