Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfection
In this paper, we propose three interference cancellation based multi-hop decode-and-forward (DF) relaying protocols to enhance end-to-end system throughput under constraint of half-duplex and hardware imperfection. In the first proposed protocol, the successive interference cancellation technique i...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-08-01
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| Series: | Alexandria Engineering Journal |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1110016821007390 |
| _version_ | 1818473998693957632 |
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| author | Phu Tran Tin Nguyen Thanh Luan Tan N. Nguyen Minh Tran Tran Trung Duy |
| author_facet | Phu Tran Tin Nguyen Thanh Luan Tan N. Nguyen Minh Tran Tran Trung Duy |
| author_sort | Phu Tran Tin |
| collection | DOAJ |
| description | In this paper, we propose three interference cancellation based multi-hop decode-and-forward (DF) relaying protocols to enhance end-to-end system throughput under constraint of half-duplex and hardware imperfection. In the first proposed protocol, the successive interference cancellation technique is used at each hop to send N signals from a source to a destination. Hence, the first proposed protocol can increase N times of the data rate, as compared with the corresponding conventional multi-hop DF relaying protocol in which only one source data is hop-by-hop relayed to the destination via M intermediate hops. In the second one, the source and relays can at the same time transmit their signals, and the interference cancellation can be performed to remove co-channel interference components. Therefore, the data rate of the second proposed protocol can increase M/2 times, as compared with the corresponding conventional protocol. The third proposed protocol is an efficient combination of the first and second proposed ones, and hence its data rate is higher N times than the second proposed one. Moreover, the imperfect co-channel interference cancellation is also considered in the second and third protocols. For performance evaluation, we derive exact closed-form expressions of the end-to-end throughput for three proposed protocols over Nakagami-m fading channel. We also perform simulations to verify the analytical formulas, and propose an simple transmit power allocation strategy to mitigate impact of the co-channel interference and imperfect co-channel interference cancellation. |
| first_indexed | 2024-04-14T04:31:40Z |
| format | Article |
| id | doaj.art-69ec63712d034d2cb69152edddcd75f7 |
| institution | Directory Open Access Journal |
| issn | 1110-0168 |
| language | English |
| last_indexed | 2024-04-14T04:31:40Z |
| publishDate | 2022-08-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Alexandria Engineering Journal |
| spelling | doaj.art-69ec63712d034d2cb69152edddcd75f72022-12-22T02:12:02ZengElsevierAlexandria Engineering Journal1110-01682022-08-0161858375849Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfectionPhu Tran Tin0Nguyen Thanh Luan1Tan N. Nguyen2Minh Tran3Tran Trung Duy4Faculty of Electronics Technology, Industrial University of Ho Chi Minh City, Viet NamFaculty of Electronics Technology, Industrial University of Ho Chi Minh City, Viet NamCommunication and Signal Processing Research Group, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Viet NamOptoelectronics Research Group, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Viet Nam; Corresponding author.Department of Electrical Engineering, Posts and Telecommunications Institute of Technology, Ho Chi Minh City, Viet NamIn this paper, we propose three interference cancellation based multi-hop decode-and-forward (DF) relaying protocols to enhance end-to-end system throughput under constraint of half-duplex and hardware imperfection. In the first proposed protocol, the successive interference cancellation technique is used at each hop to send N signals from a source to a destination. Hence, the first proposed protocol can increase N times of the data rate, as compared with the corresponding conventional multi-hop DF relaying protocol in which only one source data is hop-by-hop relayed to the destination via M intermediate hops. In the second one, the source and relays can at the same time transmit their signals, and the interference cancellation can be performed to remove co-channel interference components. Therefore, the data rate of the second proposed protocol can increase M/2 times, as compared with the corresponding conventional protocol. The third proposed protocol is an efficient combination of the first and second proposed ones, and hence its data rate is higher N times than the second proposed one. Moreover, the imperfect co-channel interference cancellation is also considered in the second and third protocols. For performance evaluation, we derive exact closed-form expressions of the end-to-end throughput for three proposed protocols over Nakagami-m fading channel. We also perform simulations to verify the analytical formulas, and propose an simple transmit power allocation strategy to mitigate impact of the co-channel interference and imperfect co-channel interference cancellation.http://www.sciencedirect.com/science/article/pii/S1110016821007390Successive interference cancellationCo-channel interference cancellationMulti-hop wireless networksHardware impairmentsOutage probabilityThroughput |
| spellingShingle | Phu Tran Tin Nguyen Thanh Luan Tan N. Nguyen Minh Tran Tran Trung Duy Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfection Alexandria Engineering Journal Successive interference cancellation Co-channel interference cancellation Multi-hop wireless networks Hardware impairments Outage probability Throughput |
| title | Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfection |
| title_full | Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfection |
| title_fullStr | Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfection |
| title_full_unstemmed | Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfection |
| title_short | Throughput enhancement for multi-hop decode-and-forward protocol using interference cancellation with hardware imperfection |
| title_sort | throughput enhancement for multi hop decode and forward protocol using interference cancellation with hardware imperfection |
| topic | Successive interference cancellation Co-channel interference cancellation Multi-hop wireless networks Hardware impairments Outage probability Throughput |
| url | http://www.sciencedirect.com/science/article/pii/S1110016821007390 |
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