Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels
This paper proposes the interleaving gain in two different distributed turbo-coding schemes: Distributed Turbo Codes (DTC) and Distributed Multiple Turbo Codes (DMTC) for half-duplex relay system as an extension of our previous work on turbo coding interleaver design for direct communication channel...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Spolecnost pro radioelektronicke inzenyrstvi
2015-06-01
|
| Series: | Radioengineering |
| Subjects: | |
| Online Access: | http://www.radioeng.cz/fulltexts/2015/15_02_0481_0488.pdf |
| _version_ | 1819075882809032704 |
|---|---|
| author | Tamer H. M. Soliman Fengfan Yang S. Ejaz |
| author_facet | Tamer H. M. Soliman Fengfan Yang S. Ejaz |
| author_sort | Tamer H. M. Soliman |
| collection | DOAJ |
| description | This paper proposes the interleaving gain in two different distributed turbo-coding schemes: Distributed Turbo Codes (DTC) and Distributed Multiple Turbo Codes (DMTC) for half-duplex relay system as an extension of our previous work on turbo coding interleaver design for direct communication channel. For these schemes with half-duplex constraint, the source node transmits its information with the parity bit sequence(s) to both the relay and the destination nodes during the first phase. The relay received the data from the source and process it by using decode and forward protocol. For the second transmission period, the decoded systematic data at relay is interleaved and re-encoded by a Recursive Systematic Convolutional (RSC) encoder and forwarded to the destination. At destination node, the signals received from the source and relay are processed by using turbo log-MAP iterative decoding for retrieving the original information bits. We demonstrate via simulations that the interleaving gain has a large effect with DTC scheme when we use only one RSC encoder at both the source and relay with best performance when using Modified Matched S-Random (MMSR) interleaver. Furthermore, by designing a Chaotic Pseudo Random Interleaver (CPRI) as an outer interleaver at the source node instead of classical interleavers, our scheme can add more secure channel conditions. |
| first_indexed | 2024-12-21T18:32:29Z |
| format | Article |
| id | doaj.art-542440ec6f784993bfca1788b24fb90f |
| institution | Directory Open Access Journal |
| issn | 1210-2512 |
| language | English |
| last_indexed | 2024-12-21T18:32:29Z |
| publishDate | 2015-06-01 |
| publisher | Spolecnost pro radioelektronicke inzenyrstvi |
| record_format | Article |
| series | Radioengineering |
| spelling | doaj.art-542440ec6f784993bfca1788b24fb90f2022-12-21T18:54:14ZengSpolecnost pro radioelektronicke inzenyrstviRadioengineering1210-25122015-06-01242481488Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay ChannelsTamer H. M. SolimanFengfan YangS. EjazThis paper proposes the interleaving gain in two different distributed turbo-coding schemes: Distributed Turbo Codes (DTC) and Distributed Multiple Turbo Codes (DMTC) for half-duplex relay system as an extension of our previous work on turbo coding interleaver design for direct communication channel. For these schemes with half-duplex constraint, the source node transmits its information with the parity bit sequence(s) to both the relay and the destination nodes during the first phase. The relay received the data from the source and process it by using decode and forward protocol. For the second transmission period, the decoded systematic data at relay is interleaved and re-encoded by a Recursive Systematic Convolutional (RSC) encoder and forwarded to the destination. At destination node, the signals received from the source and relay are processed by using turbo log-MAP iterative decoding for retrieving the original information bits. We demonstrate via simulations that the interleaving gain has a large effect with DTC scheme when we use only one RSC encoder at both the source and relay with best performance when using Modified Matched S-Random (MMSR) interleaver. Furthermore, by designing a Chaotic Pseudo Random Interleaver (CPRI) as an outer interleaver at the source node instead of classical interleavers, our scheme can add more secure channel conditions.http://www.radioeng.cz/fulltexts/2015/15_02_0481_0488.pdfChaoticinterleaversemi-randomturbo codesrelay channel |
| spellingShingle | Tamer H. M. Soliman Fengfan Yang S. Ejaz Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels Radioengineering Chaotic interleaver semi-random turbo codes relay channel |
| title | Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels |
| title_full | Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels |
| title_fullStr | Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels |
| title_full_unstemmed | Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels |
| title_short | Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels |
| title_sort | interleaving gains for receive diversity schemes of distributed turbo codes in wireless half duplex relay channels |
| topic | Chaotic interleaver semi-random turbo codes relay channel |
| url | http://www.radioeng.cz/fulltexts/2015/15_02_0481_0488.pdf |
| work_keys_str_mv | AT tamerhmsoliman interleavinggainsforreceivediversityschemesofdistributedturbocodesinwirelesshalfduplexrelaychannels AT fengfanyang interleavinggainsforreceivediversityschemesofdistributedturbocodesinwirelesshalfduplexrelaychannels AT sejaz interleavinggainsforreceivediversityschemesofdistributedturbocodesinwirelesshalfduplexrelaychannels |