Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552336
Zixia Hu, Hongxiang Li, Zhiyong Chen
In this paper, the hierarchical modulation (HM) technique is adopted in a single frequency network (SFN) to provide both global and local information. In order to mitigate the inter-layer interference (ILI) and inter-cell interference (ICI), we develop a low-complexity successive interference cancellation (SIC) algorithm for the coded HM signals in the SFN. The proposed decoding algorithm can be applied to different soft-decision channel coding schemes (e.g., Turbo codes, LDPC codes) under various channel profiles. We analyzed the decoding complexity of the proposed algorithm, and evaluated the bit error rate (BER) performance. The simulations show that the new decoding algorithm can offer up to 0.7 dB carrier to noise ratio (C/N) gain compared with the traditional SIC approach under different channel models, while providing the comparable performance (up to 95% decoding complexity savings) with the multi-layer iterative decoding approach. The performance evaluation and decoding complexity comparisons indicate that the proposed structured SIC approach offers a good performance-complexity trade-off, especially for the HM-based SFN scenarios.
{"title":"A low-complexity decoding algorithm for hierarchically modulated signals in SFN","authors":"Zixia Hu, Hongxiang Li, Zhiyong Chen","doi":"10.1109/CISS.2013.6552336","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552336","url":null,"abstract":"In this paper, the hierarchical modulation (HM) technique is adopted in a single frequency network (SFN) to provide both global and local information. In order to mitigate the inter-layer interference (ILI) and inter-cell interference (ICI), we develop a low-complexity successive interference cancellation (SIC) algorithm for the coded HM signals in the SFN. The proposed decoding algorithm can be applied to different soft-decision channel coding schemes (e.g., Turbo codes, LDPC codes) under various channel profiles. We analyzed the decoding complexity of the proposed algorithm, and evaluated the bit error rate (BER) performance. The simulations show that the new decoding algorithm can offer up to 0.7 dB carrier to noise ratio (C/N) gain compared with the traditional SIC approach under different channel models, while providing the comparable performance (up to 95% decoding complexity savings) with the multi-layer iterative decoding approach. The performance evaluation and decoding complexity comparisons indicate that the proposed structured SIC approach offers a good performance-complexity trade-off, especially for the HM-based SFN scenarios.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133303099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552311
F. Yang, Xi Zhang
In recent years, wireless sensor networks (WSNs) have attracted a great deal of research attention from both academia and industry. In most cases, WSNs employ the adaptive forward error correction (FEC) coding schemes dynamically adapting to the channel, while paying less attention to user's requirements. Sometimes, the decoding delay and the decoding performance of WSNs are more crucial than the power consumption for users. We propose an FEC decoder for the trade-off among decoding delay, complexity, and performance according to user's needs. The proposed decoder designed for short packet transmission is a two-stage hybrid decoder (TSHD) including a serial min-sum decoder and an adaptive list decoder. For hard decision decoding, our simulation results show that the proposed TSHD scheme outperforms the existing schemes with less average complexity.
{"title":"User-oriented FEC decoding scheme for wireless sensor networks with star topologies","authors":"F. Yang, Xi Zhang","doi":"10.1109/CISS.2013.6552311","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552311","url":null,"abstract":"In recent years, wireless sensor networks (WSNs) have attracted a great deal of research attention from both academia and industry. In most cases, WSNs employ the adaptive forward error correction (FEC) coding schemes dynamically adapting to the channel, while paying less attention to user's requirements. Sometimes, the decoding delay and the decoding performance of WSNs are more crucial than the power consumption for users. We propose an FEC decoder for the trade-off among decoding delay, complexity, and performance according to user's needs. The proposed decoder designed for short packet transmission is a two-stage hybrid decoder (TSHD) including a serial min-sum decoder and an adaptive list decoder. For hard decision decoding, our simulation results show that the proposed TSHD scheme outperforms the existing schemes with less average complexity.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131819650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6624266
Sungjoon Park, W. Stark
In this paper, we present multi-hop relay communication strategies for half-duplex decode-and-forward relay networks. The model for the channel that we consider includes pathloss, shadowing, and fast fading. For this channel model, we propose a full spatial reuse multi-hop (FSRM) relay communication scheme, which allows relays to transmit their data using every other time slot. With the FSRM scheme, the end-to-end rate reduction factor of multi-hop relay communication is fixed at 1/2, regardless of the number of hops. We analyze the outage probability of the proposed scheme for a directional antenna system and an omnidirectional antenna system. For a directional antenna system, the analysis reveals that the FSRM scheme achieves a lower outage probability than the traditional orthogonal multi-hop relaying scheme. For an omnidirectional antenna system, we find the SNR region of the proposed scheme that achieves better performance. We further analyze various power allocation methods to manage interference and determine the optimal operation scheme in terms of the SINR.
{"title":"Full spatial reuse multi-hop cooperative communication","authors":"Sungjoon Park, W. Stark","doi":"10.1109/CISS.2013.6624266","DOIUrl":"https://doi.org/10.1109/CISS.2013.6624266","url":null,"abstract":"In this paper, we present multi-hop relay communication strategies for half-duplex decode-and-forward relay networks. The model for the channel that we consider includes pathloss, shadowing, and fast fading. For this channel model, we propose a full spatial reuse multi-hop (FSRM) relay communication scheme, which allows relays to transmit their data using every other time slot. With the FSRM scheme, the end-to-end rate reduction factor of multi-hop relay communication is fixed at 1/2, regardless of the number of hops. We analyze the outage probability of the proposed scheme for a directional antenna system and an omnidirectional antenna system. For a directional antenna system, the analysis reveals that the FSRM scheme achieves a lower outage probability than the traditional orthogonal multi-hop relaying scheme. For an omnidirectional antenna system, we find the SNR region of the proposed scheme that achieves better performance. We further analyze various power allocation methods to manage interference and determine the optimal operation scheme in terms of the SINR.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130339079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552272
Ping-Chung Wang, Xi Zhang
In recent years, the MIMO-based underwater acoustic (UWA) wireless sensor networks have attracted significant research attention because of its wide and critical applications in marine research, oceanography, marine commercial operations, offshore oil industry, and defense systems. The cooperativecommunications- based wireless relay networks have been widely cited as a very efficient technique to enhance the transmission and lifespan performances of the wireless networks. However, how to make the energy-efficient relay selection in the MIMObased UWA wireless sensor networks, particularly under the harsh underwater wireless environments with the stringent power supply constraint, have been not well understood, neither thoroughly studied. To overcome the above problems, in this paper we propose the optimal relay selection scheme to minimize the energy consumption while guaranteeing the quality of service (QoS) of each link over the MIMO-based UWA cooperative wireless sensor networks. We use the Finite-state Markov chain to model the UAW channel. Moreover, we also incorporate MIMO multiplexing-gain and diversity-gain techniques, as well as residual relay energy in the relay selection process. We implement our proposed optimal relay selection scheme by the linear programming (LP) technique. We conduct the simulations to validate and evaluate our proposed scheme, showing its superlatives over the other existing schemes.
{"title":"Energy-efficient relay selection for QoS provisioning in MIMO-based underwater acoustic cooperative wireless sensor networks","authors":"Ping-Chung Wang, Xi Zhang","doi":"10.1109/CISS.2013.6552272","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552272","url":null,"abstract":"In recent years, the MIMO-based underwater acoustic (UWA) wireless sensor networks have attracted significant research attention because of its wide and critical applications in marine research, oceanography, marine commercial operations, offshore oil industry, and defense systems. The cooperativecommunications- based wireless relay networks have been widely cited as a very efficient technique to enhance the transmission and lifespan performances of the wireless networks. However, how to make the energy-efficient relay selection in the MIMObased UWA wireless sensor networks, particularly under the harsh underwater wireless environments with the stringent power supply constraint, have been not well understood, neither thoroughly studied. To overcome the above problems, in this paper we propose the optimal relay selection scheme to minimize the energy consumption while guaranteeing the quality of service (QoS) of each link over the MIMO-based UWA cooperative wireless sensor networks. We use the Finite-state Markov chain to model the UAW channel. Moreover, we also incorporate MIMO multiplexing-gain and diversity-gain techniques, as well as residual relay energy in the relay selection process. We implement our proposed optimal relay selection scheme by the linear programming (LP) technique. We conduct the simulations to validate and evaluate our proposed scheme, showing its superlatives over the other existing schemes.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115457279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552288
C. Nicklow, D. Reynolds
Large system analysis has shown that per-node throughput in purely wireless networks goes to zero as the network size increases. Thus it appears the world will never be totally wireless. This motivates the study of a new kind of hybrid network composed both of purely broadcast wireless (RF) nodes and what we call multi modal nodes, i.e., nodes that can transmit simultaneously over broadcast wireless and other non-broadcast nodes, e.g., wires, infrared, or acoustic links. Here we present achievable rates for three terminal networks using DF, CF, and partial DF when one additional non-broadcast mode is available. We also provide rates for the special case of Gaussian channels.
{"title":"Achievable rates for Gaussian relay networks with a supplementary non-broadcast link","authors":"C. Nicklow, D. Reynolds","doi":"10.1109/CISS.2013.6552288","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552288","url":null,"abstract":"Large system analysis has shown that per-node throughput in purely wireless networks goes to zero as the network size increases. Thus it appears the world will never be totally wireless. This motivates the study of a new kind of hybrid network composed both of purely broadcast wireless (RF) nodes and what we call multi modal nodes, i.e., nodes that can transmit simultaneously over broadcast wireless and other non-broadcast nodes, e.g., wires, infrared, or acoustic links. Here we present achievable rates for three terminal networks using DF, CF, and partial DF when one additional non-broadcast mode is available. We also provide rates for the special case of Gaussian channels.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123361569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552344
Wednel Cadeau, Xiaohua Li
In this paper we give closed-form analysis results of the jamming probabilities and throughput of cognitive radio transmissions when facing a wideband jammer. We first set up a Markov model of the cognitive radio transmissions which consists of three states: spectrum sensing, channel access, and channel switching. The jamming probabilities of the three states are derived under the assumption of a wideband jammer. The normalized transmission throughput is then derived. This expression is simple enough for us to analyze and optimize some important jamming and anti-jamming parameters for optimal anti-jamming design. Simulations are conducted to verify the analysis results.
{"title":"Jamming probabilities and throughput of cognitive radio communications against a wideband jammer","authors":"Wednel Cadeau, Xiaohua Li","doi":"10.1109/CISS.2013.6552344","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552344","url":null,"abstract":"In this paper we give closed-form analysis results of the jamming probabilities and throughput of cognitive radio transmissions when facing a wideband jammer. We first set up a Markov model of the cognitive radio transmissions which consists of three states: spectrum sensing, channel access, and channel switching. The jamming probabilities of the three states are derived under the assumption of a wideband jammer. The normalized transmission throughput is then derived. This expression is simple enough for us to analyze and optimize some important jamming and anti-jamming parameters for optimal anti-jamming design. Simulations are conducted to verify the analysis results.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123783689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552279
D. Chakrabarty, Mounya Elhilali
Hearing engages in a seemingly effortless way, complex processes that allow our brains to parse the acoustic environment around us into perceptual sound objects, in a phenomenon called streaming or stream segregation. In this paper, we explore the hypothesis that the auditory system relies on the regularity inherent to each stream to segregate it from other competing streams in the scene. Tracking these regularities is achieved via a recursive prediction that tracks the evolution of each stream, using a Kalman filtering approach. The proposed approach combines spectral analysis operating at the level of the auditory periphery with a temporal analysis using Kalman tracking. To incorporate nonlinear relationships in the signal patterns, we employ an extended Kalman filter. This scheme is tested on sinusoidal patterns, or the two tone paradigm. The combined spectral and temporal analysis developed here is able to predict perceptual results of stream segregation by human listeners in a two tone paradigm.
{"title":"Predictive analysis of two tone stream segregation via extended Kalman filter","authors":"D. Chakrabarty, Mounya Elhilali","doi":"10.1109/CISS.2013.6552279","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552279","url":null,"abstract":"Hearing engages in a seemingly effortless way, complex processes that allow our brains to parse the acoustic environment around us into perceptual sound objects, in a phenomenon called streaming or stream segregation. In this paper, we explore the hypothesis that the auditory system relies on the regularity inherent to each stream to segregate it from other competing streams in the scene. Tracking these regularities is achieved via a recursive prediction that tracks the evolution of each stream, using a Kalman filtering approach. The proposed approach combines spectral analysis operating at the level of the auditory periphery with a temporal analysis using Kalman tracking. To incorporate nonlinear relationships in the signal patterns, we employ an extended Kalman filter. This scheme is tested on sinusoidal patterns, or the two tone paradigm. The combined spectral and temporal analysis developed here is able to predict perceptual results of stream segregation by human listeners in a two tone paradigm.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115961527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552273
Jing Xu, Shihua Zhu, Jiangyuan Li, Yizhai Zhang
In this paper, we present a novel cooperative downlink beamforming framework for the cell edge users based on the local channel state information (CSI). In the proposed scheme, the neighboring two base stations (BSs) transmit and remain silent alternatively via integrating signal space diversity into inter-cell time sharing. Pairwise error probability analysis demonstrates that the multi-cell spatial diversity gain can be achieved for each data stream. Thus the inter-cell links become beneficial rather than detrimental. For comparison, some existing practical cooperative beamforming strategies are also discussed, such as straightforward time sharing and distributed cooperative beamforming. Both theoretical analysis and simulation results confirm that the proposed scheme outperforms the existing relevant strategies. It is shown that in the interested range of noise powers, the proposed cooperative inter-cell scheduling can significantly improve the error performance in a distributed manner while maintaining the same multiplexing gain.
{"title":"Signal space diversity based cooperative inter-cell downlink transmission for cell boundary users","authors":"Jing Xu, Shihua Zhu, Jiangyuan Li, Yizhai Zhang","doi":"10.1109/CISS.2013.6552273","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552273","url":null,"abstract":"In this paper, we present a novel cooperative downlink beamforming framework for the cell edge users based on the local channel state information (CSI). In the proposed scheme, the neighboring two base stations (BSs) transmit and remain silent alternatively via integrating signal space diversity into inter-cell time sharing. Pairwise error probability analysis demonstrates that the multi-cell spatial diversity gain can be achieved for each data stream. Thus the inter-cell links become beneficial rather than detrimental. For comparison, some existing practical cooperative beamforming strategies are also discussed, such as straightforward time sharing and distributed cooperative beamforming. Both theoretical analysis and simulation results confirm that the proposed scheme outperforms the existing relevant strategies. It is shown that in the interested range of noise powers, the proposed cooperative inter-cell scheduling can significantly improve the error performance in a distributed manner while maintaining the same multiplexing gain.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"305 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130705203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552307
Yi Yang, K. Petrillo, Hong-Fu Ting, J. Khurgin, A. Cooper, M. Foster
A fully coherent optical code-division multiple access (OCDMA) scheme that combines spectral phase encoding (SPE) and spectral line pairing to generate signals through heterodyne decoding is proposed. A simple balanced receiver performs sourceless heterodyne detection, canceling speckle noise and multiple-access interference (MAI). A 16 user 100% load system transmitting at 40 Gbits is simulated, and a 4 user 50% load system transmitting at 4.25 Gbit/s is experimentally demonstrated for the first time.
{"title":"Simulation and experimental demonstration of coherent OCDMA using spectral line pairing and heterodyne detection","authors":"Yi Yang, K. Petrillo, Hong-Fu Ting, J. Khurgin, A. Cooper, M. Foster","doi":"10.1109/CISS.2013.6552307","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552307","url":null,"abstract":"A fully coherent optical code-division multiple access (OCDMA) scheme that combines spectral phase encoding (SPE) and spectral line pairing to generate signals through heterodyne decoding is proposed. A simple balanced receiver performs sourceless heterodyne detection, canceling speckle noise and multiple-access interference (MAI). A 16 user 100% load system transmitting at 40 Gbits is simulated, and a 4 user 50% load system transmitting at 4.25 Gbit/s is experimentally demonstrated for the first time.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133952430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-03-20DOI: 10.1109/CISS.2013.6552291
T. Xie, S. G. Wilson, M. Brandt-Pearce
The Poisson channel is a popular direct-detection model in optical communication. In this paper, we study efficient data communication over the on-off keyed (OOK) modulated Poisson channel. We first analyze the channel capacity, and based on the analysis we study the application of low-density parity-check (LDPC) codes on such channels. The asymmetric density evolution (ADE) method is used to determine the decoding threshold of an LDPC ensemble, and it is demonstrated that optimized LDPC ensembles have near-capacity performance, for various code rates. We also point out that the robustness of LDPC codes for the Poisson channel, i.e. a certain optimized LDPC ensemble remain (essentially) optimal over a wide range of channel conditions, making LDPC codes an attractive forward correcting coding (FEC) scheme for optical communication.
{"title":"LDPC code design for OOK modulated Poisson optical channels","authors":"T. Xie, S. G. Wilson, M. Brandt-Pearce","doi":"10.1109/CISS.2013.6552291","DOIUrl":"https://doi.org/10.1109/CISS.2013.6552291","url":null,"abstract":"The Poisson channel is a popular direct-detection model in optical communication. In this paper, we study efficient data communication over the on-off keyed (OOK) modulated Poisson channel. We first analyze the channel capacity, and based on the analysis we study the application of low-density parity-check (LDPC) codes on such channels. The asymmetric density evolution (ADE) method is used to determine the decoding threshold of an LDPC ensemble, and it is demonstrated that optimized LDPC ensembles have near-capacity performance, for various code rates. We also point out that the robustness of LDPC codes for the Poisson channel, i.e. a certain optimized LDPC ensemble remain (essentially) optimal over a wide range of channel conditions, making LDPC codes an attractive forward correcting coding (FEC) scheme for optical communication.","PeriodicalId":268095,"journal":{"name":"2013 47th Annual Conference on Information Sciences and Systems (CISS)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123886764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：