Dynamic power control scheme for C-V2X communication with channel inversion
In cellular vehicle-to-everything（C-V2X）system, V2V（vehicle-to-vehicle）-based communication utilizes the spectrum resource of cellular users（CUE）to reduce the load of base stations, and thus realize partial near-field V2V communication.Although the V2V-based communication can improve the transmissio...
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| Format: | Article |
| Language: | zho |
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Beijing Xintong Media Co., Ltd
2021-02-01
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| Series: | Dianxin kexue |
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| Online Access: | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2021030/ |
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| author | Jieping ZHAI Xiaolan LIU Hailin XIAO |
| author_facet | Jieping ZHAI Xiaolan LIU Hailin XIAO |
| author_sort | Jieping ZHAI |
| collection | DOAJ |
| description | In cellular vehicle-to-everything（C-V2X）system, V2V（vehicle-to-vehicle）-based communication utilizes the spectrum resource of cellular users（CUE）to reduce the load of base stations, and thus realize partial near-field V2V communication.Although the V2V-based communication can improve the transmission rate of system, it causes co-frequency interference.To solve the problem, a dynamic power control scheme with channel inversion was proposed.In this scheme, channel inversion power control on V2V users（VUE）was performed to compensate the truncation interruption caused by limited transmission power in the non-truncated area, where the co-frequency interference between cellular users and V2V users was solved through dynamic power control.Furthermore, the optimal dual solution of objective function was obtained by Lagrange multiplier method and the optimal power allocation was carried out for cellular users and V2V users by bisection method, which met the rate requirements of all cellular users.Finally, the total transmission rate of V2V users was maximized.Numerical simulation results were shown that when the total outage probability of V2V users was 0.866, the proposed scheme was promoted by 48%. |
| format | Article |
| id | doaj-art-9027ca925dd1417a896707a1f76f5c66 |
| institution | Kabale University |
| issn | 1000-0801 |
| language | zho |
| publishDate | 2021-02-01 |
| publisher | Beijing Xintong Media Co., Ltd |
| record_format | Article |
| series | Dianxin kexue |
| spelling | doaj-art-9027ca925dd1417a896707a1f76f5c662025-01-15T03:25:51ZzhoBeijing Xintong Media Co., LtdDianxin kexue1000-08012021-02-0137718159806781Dynamic power control scheme for C-V2X communication with channel inversionJieping ZHAIXiaolan LIUHailin XIAOIn cellular vehicle-to-everything（C-V2X）system, V2V（vehicle-to-vehicle）-based communication utilizes the spectrum resource of cellular users（CUE）to reduce the load of base stations, and thus realize partial near-field V2V communication.Although the V2V-based communication can improve the transmission rate of system, it causes co-frequency interference.To solve the problem, a dynamic power control scheme with channel inversion was proposed.In this scheme, channel inversion power control on V2V users（VUE）was performed to compensate the truncation interruption caused by limited transmission power in the non-truncated area, where the co-frequency interference between cellular users and V2V users was solved through dynamic power control.Furthermore, the optimal dual solution of objective function was obtained by Lagrange multiplier method and the optimal power allocation was carried out for cellular users and V2V users by bisection method, which met the rate requirements of all cellular users.Finally, the total transmission rate of V2V users was maximized.Numerical simulation results were shown that when the total outage probability of V2V users was 0.866, the proposed scheme was promoted by 48%.http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2021030/C-V2Xvehicle communicationchannel inversionpower control |
| spellingShingle | Jieping ZHAI Xiaolan LIU Hailin XIAO Dynamic power control scheme for C-V2X communication with channel inversion Dianxin kexue C-V2X vehicle communication channel inversion power control |
| title | Dynamic power control scheme for C-V2X communication with channel inversion |
| title_full | Dynamic power control scheme for C-V2X communication with channel inversion |
| title_fullStr | Dynamic power control scheme for C-V2X communication with channel inversion |
| title_full_unstemmed | Dynamic power control scheme for C-V2X communication with channel inversion |
| title_short | Dynamic power control scheme for C-V2X communication with channel inversion |
| title_sort | dynamic power control scheme for c v2x communication with channel inversion |
| topic | C-V2X vehicle communication channel inversion power control |
| url | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2021030/ |
| work_keys_str_mv | AT jiepingzhai dynamicpowercontrolschemeforcv2xcommunicationwithchannelinversion AT xiaolanliu dynamicpowercontrolschemeforcv2xcommunicationwithchannelinversion AT hailinxiao dynamicpowercontrolschemeforcv2xcommunicationwithchannelinversion |