Performance Investigation of Unmanned Aerial Vehicle Assisted Rate Splitting Multiple Access Cooperative Communication Systems in Nakagami-<i>m</i> Fading Channels

HUANG Haiyan; ZHANG Hongsheng; LIU Boyang; LIANG Linlin; WANG Chunli

doi:10.11999/JEIT231385

Volume 46 Issue 8

Aug. 2024

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Article Navigation > Journal of Electronics & Information Technology > 2024 > 46(8): 3126-3135

HUANG Haiyan, ZHANG Hongsheng, LIU Boyang, LIANG Linlin, WANG Chunli. Performance Investigation of Unmanned Aerial Vehicle Assisted Rate Splitting Multiple Access Cooperative Communication Systems in Nakagami-m Fading Channels[J]. Journal of Electronics & Information Technology, 2024, 46(8): 3126-3135. doi: 10.11999/JEIT231385

Citation:

HUANG Haiyan, ZHANG Hongsheng, LIU Boyang, LIANG Linlin, WANG Chunli. Performance Investigation of Unmanned Aerial Vehicle Assisted Rate Splitting Multiple Access Cooperative Communication Systems in Nakagami-m Fading Channels[J]. Journal of Electronics & Information Technology, 2024, 46(8): 3126-3135. doi: 10.11999/JEIT231385

Citation:

HUANG Haiyan, ZHANG Hongsheng, LIU Boyang, LIANG Linlin, WANG Chunli. Performance Investigation of Unmanned Aerial Vehicle Assisted Rate Splitting Multiple Access Cooperative Communication Systems in Nakagami-m Fading Channels[J]. Journal of Electronics & Information Technology, 2024, 46(8): 3126-3135. doi: 10.11999/JEIT231385

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Performance Investigation of Unmanned Aerial Vehicle Assisted Rate Splitting Multiple Access Cooperative Communication Systems in Nakagami-m Fading Channels

doi: 10.11999/JEIT231385 cstr: 32379.14.JEIT231385

1.
School of Electronic and Information Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
2.
School of Communications and Information Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710071, China
3.
School of Cyber Engineering, Xidian University, Xi’an 710071, China

Funds: The National Natural Science Foundation of China (61901201), The Tianyou Youth Talent Lift Program of Lanzhou Jiaotong University, The Key Research and Development Project of Lanzhou Jiaotong University (ZDYF2304)

Received Date: 2023-12-14
Rev Recd Date: 2024-07-17

Available Online: 2024-07-30

Publish Date: 2024-08-30

Abstract

Abstract

The challenges of scarce communication resources and uneven allocation in multi-user communication networks are investigated in the article with a focus on the Unmanned Aerial Vehicle (UAV)-assisted multi-user downlink communication network using Rate Splitting Multiple Access (RSMA) technology. In complex real-world communication environments, interference caused by useless signals due to frequency reuse is inevitable. Considering the co-channel interference affecting the data transmission between UAV and various user nodes in Nakagami-m fading channels, precise closed-form expressions for the outage probability and channel capacity of the system are derived. It is demonstrated that the diversity order is 0 resulted from the presence of co-channel interference for high Signal-to-Noise Ratio (SNR) regime systems. Moreover, under the same spatial model, the system performance using the RSMA communication scheme is superior to the Non-Orthogonal Multiple Access (NOMA) scheme. As the flight speed of UAV increases, the probability of establishing line-of-sight links for ground-to-air communication is decreased, leading to a degradation in system outage performance. Therefore, effective trade-offs for the overall UAV communication system need to be achieved by comprehensively considering the flight speed of UAV, multiple access methods, system performance, and communication connectivity, in order to meet the practical communication needs of users.
- Unmanned Aerial Vehicle(UAV) communication,
- Rate Splitting Multiple Access (RSMA),
- Co-channel interference,
- Line of sight link,
- Outage probability

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References(17)

References

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