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Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications最新文献

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Class D service architecture in an ATM-Internet ATM-Internet中的D类业务体系结构
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.368892
H. Esaki, Y. Tsuda, T. Saito, S. Natsubori
{"title":"Class D service architecture in an ATM-Internet","authors":"H. Esaki, Y. Tsuda, T. Saito, S. Natsubori","doi":"10.1109/ICC.1994.368892","DOIUrl":"https://doi.org/10.1109/ICC.1994.368892","url":null,"abstract":"This paper proposes a class D service (datagram delivery) architecture in an ATM-Internet, which is the network interconnecting ATM-LANs. The datagram delivery to the destination terminal is performed by connectionless server, so called CLS, which is located in the ATM-LAN where the destination terminal belongs. Each CLS only manages the addresses for the terminals belonging to the corresponding ATM-LAN. The cells belonging to a certain datagram are transferred through a single (seam-less) ATM connection from the source terminal to the CLS in the ATM-LAN where the destination terminal belongs. The proposed class D service architecture can be applied to the ATM-LAN system based on VPI routing architecture, easily.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115489370","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}
引用次数: 3
Performance evaluation of L-pulse-position modulation on non-directed indoor infrared channels l脉冲位置调制在非定向室内红外信道上的性能评价
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.368801
M. Audeh, J. Kahn
{"title":"Performance evaluation of L-pulse-position modulation on non-directed indoor infrared channels","authors":"M. Audeh, J. Kahn","doi":"10.1109/ICC.1994.368801","DOIUrl":"https://doi.org/10.1109/ICC.1994.368801","url":null,"abstract":"We examine the performance of high-speed non-directed infrared links using L-pulse-position modulation (L-PPM). When used with intensity modulation and direct detection, L-PPM leads to high average-power efficiency, because of its high peak-to-average power ratio. We derive an expression for the BER of an L-PPM link on an ISI channel. Using the measured characteristics of multipath indoor infrared channels, we calculate BER curves and ISI power penalties for 2-, 4-, 8- and 16-PPM links operating at 10 and 30 Mb/s. Our results indicate that L-PPM is a very promising modulation technique for high-speed non-directed infrared communication.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123165425","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}
引用次数: 38
Computationally efficient asymptotic and accurate approximate expressions for the matched filter bound for (un)coded MPSK transmission on multipath fading channels 多径衰落信道下(非)编码MPSK传输匹配滤波器界的计算效率渐近精确近似表达式
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.369034
K. Wuyts, M. Moeneclaey
{"title":"Computationally efficient asymptotic and accurate approximate expressions for the matched filter bound for (un)coded MPSK transmission on multipath fading channels","authors":"K. Wuyts, M. Moeneclaey","doi":"10.1109/ICC.1994.369034","DOIUrl":"https://doi.org/10.1109/ICC.1994.369034","url":null,"abstract":"Uncoded and trellis-coded MPSK transmission over multipath Rayleigh fading channels with explicit antenna diversity is investigated. The bit error rate performance of the MLSE-receiver is considered, based on the matched filter bound on the pairwise error event probability. The authors derive an exact asymptotic expression and two accurate approximate expressions for the matched filter bound, the evaluation of which requires much less computational effort than the evaluation of the exact matched filter bound, especially for large diversity orders.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123244612","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}
引用次数: 2
Real time call admission control for ATM networks with heterogeneous bursty traffic 异构突发业务ATM网络的实时呼叫接纳控制
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.369018
Tsern-Huei Lee, K. Lai, Shii-Tyng Duann
{"title":"Real time call admission control for ATM networks with heterogeneous bursty traffic","authors":"Tsern-Huei Lee, K. Lai, Shii-Tyng Duann","doi":"10.1109/ICC.1994.369018","DOIUrl":"https://doi.org/10.1109/ICC.1994.369018","url":null,"abstract":"We propose a real time computation algorithm based on the bufferless fluid flow model for call admission control in ATM networks with heterogeneous bursty traffic. Cell loss probability is adopted as the measure of quality of service. Our proposed computation algorithm requires a constant memory size and needs only two multiplications and one division to decide whether a connection request can be accepted or not. It is known that the individual cell loss probability for each type of traffic source may not meet the requirement even though the global one does. We provide a tight upper bound for individual cell loss probability which can be evaluated easily by our proposed computation algorithm. Numerical examples using typical traffic parameters are studied.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124833417","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}
引用次数: 18
The behavior of orthogonal frequency division multiplexing signals in an amplitude limiting channel 限幅信道中正交频分复用信号的特性
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.368987
J. Rinne, M. Renfors
{"title":"The behavior of orthogonal frequency division multiplexing signals in an amplitude limiting channel","authors":"J. Rinne, M. Renfors","doi":"10.1109/ICC.1994.368987","DOIUrl":"https://doi.org/10.1109/ICC.1994.368987","url":null,"abstract":"This paper presents an investigation of orthogonal frequency division multiplexing (OFDM) signal distortion in an amplitude limited channel. In the presence of both limiter distortion and channel noise, the back-off can be optimized to give maximum signal-to-noise ratio for a given system.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124913911","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}
引用次数: 39
Soft-decision multistage decoding of multilevel-coded quaternary partial-response signals 多级编码四元部分响应信号的软判决多级解码
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.368904
S. Olcer
{"title":"Soft-decision multistage decoding of multilevel-coded quaternary partial-response signals","authors":"S. Olcer","doi":"10.1109/ICC.1994.368904","DOIUrl":"https://doi.org/10.1109/ICC.1994.368904","url":null,"abstract":"This paper deals with multilevel coding and concatenated soft-decision multistage decoding for quaternary partial-response class-IV (PRIV) systems. Time-interleaved multilevel-coded quaternary symbols are transmitted with precoding over the PRIV channel. In the receiver, an inner decoder computes approximate log-likelihood ratios for the less significant bits of the quaternary symbols input to the precoded PRIV channel by a new reduced two-state soft-output Viterbi decoding algorithm. An outer multistage decoder employs the obtained log-likelihood ratios which, with sufficient interleaving, represent appropriate metrics for soft-decision decoding. Real coding gains over uncoded transmission with maximum-likelihood sequence decoding are determined by simulation. Results are presented for various multilevel codes that employ a single level of convolutional or Reed-Muller block coding. The scheme considered here exhibits low decoding complexity and allows for high-rate codes that achieve real coding gains of 3 to 4 dB.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121594070","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}
引用次数: 0
Frequency-hopped spread-spectrum multiple access communications with adaptive retransmission control 具有自适应重传控制的跳频扩频多址通信
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.368854
J. Kim, S. Km
{"title":"Frequency-hopped spread-spectrum multiple access communications with adaptive retransmission control","authors":"J. Kim, S. Km","doi":"10.1109/ICC.1994.368854","DOIUrl":"https://doi.org/10.1109/ICC.1994.368854","url":null,"abstract":"Proposes a simple adaptive retransmission control scheme for slotted frequency-hopped spread-spectrum multiple access systems. The scheme makes the retransmission probability adaptively change according to the system state such that channel throughput can be maximized. It is shown that a performance quite close to that of the optimal transmission control scheme can be achieved.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121777893","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}
引用次数: 4
An investigation into fault recovery in guaranteed performance service connections 性能保证服务连接故障恢复的研究
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.369000
C. Parris, A. Banerjea
{"title":"An investigation into fault recovery in guaranteed performance service connections","authors":"C. Parris, A. Banerjea","doi":"10.1109/ICC.1994.369000","DOIUrl":"https://doi.org/10.1109/ICC.1994.369000","url":null,"abstract":"As high speed networks are starting to provide guaranteed performance services, it is imperative that fault recovery techniques be revised to support these new services. The authors investigate one aspect of fault recovery, in this context, the rerouting of guaranteed performance connections affected by link faults in the network. Recovery is achieved by rerouting the affected connection so as to avoid the failed link while ensuring that the traffic and performance guarantees made along the previous route are satisfied along the new route. The goal of the rerouting schemes is to reroute as much of the affected traffic as quickly and efficiently as possible. The authors investigate rerouting along the lines of two orthogonal components: the locus of reroute, which determines the node that does route selection and the new route selected; and the timing component, which determines when the individual reroute attempts are initiated. Within each of these two components they examine approaches that span the spectrum of that component. They compare all possible combinations of these approaches under a cross-section of network workloads, using in their comparisons a novel metric, the queueing delay load index, that captures both the bandwidth and delay resources required by a connection. Extensive simulation experiments were conducted on the various combinations and some of their results and analyses are presented in the paper.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121909891","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}
引用次数: 14
ATM virtual private networks: alternatives and performance comparisons ATM虚拟专用网:替代方案和性能比较
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.368833
P. Crocetti, L. Fratta, G. Gallassi, M. Gerla
{"title":"ATM virtual private networks: alternatives and performance comparisons","authors":"P. Crocetti, L. Fratta, G. Gallassi, M. Gerla","doi":"10.1109/ICC.1994.368833","DOIUrl":"https://doi.org/10.1109/ICC.1994.368833","url":null,"abstract":"The objective of ATM virtual private networks (AVPN) is to offer to a multi-site customer a transport service, based on the ATM backbone, which allows an efficient and flexible use of the provisioned resources and can adjust to changing traffic pattern scenarios. This objective can be reached by exploiting the virtual levels typical of the ATM (VP/VC), still guaranteeing the GOS through proper traffic control functionalities.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122041485","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}
引用次数: 6
Interference canceling equalizer (ICE) for mobile radio communications 用于移动无线电通信的干扰抵消均衡器
Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications Pub Date : 1994-05-01 DOI: 10.1109/ICC.1994.368871
H. Yoshino, K. Fukawa, H. Suzuki
{"title":"Interference canceling equalizer (ICE) for mobile radio communications","authors":"H. Yoshino, K. Fukawa, H. Suzuki","doi":"10.1109/ICC.1994.368871","DOIUrl":"https://doi.org/10.1109/ICC.1994.368871","url":null,"abstract":"This paper proposes an adaptive interference canceling equalizer (ICE) that not only equalizes intersymbol interference (ISI), but also cancels co-channel interference (CCI) in the received signal in Rayleigh fading environments. ICE employs a novel detection scheme, the recursive least squares maximum likelihood sequence estimation (RLS-MLSE), which simultaneously estimates time varying channel parameters. Diversity reception is used to enhance the signal detection performance of ICE. A computer simulation of 40 kb/s QPSK mobile radio transmission demonstrates the possibility of system capacity improvement by ICE. Simulations of ICE with diversity are carried out under the conditions of a two-path Rayleigh frequency selective fading channel with 50 /spl mu/sec delay, 40 Hz maximum Doppler frequency, and 15 dB average E/sub b//N/sub 0/. ICE for single CCI cancellation attains an average BER of 10/sup -2/ under a carrier-to-interference ratio (CIR) of -14 dB. ICE with two independent CCI signals attains less than 1.5/spl times/10/sup -2/ average BER for average CIR/spl ges/-10 dB.<<ETX>>","PeriodicalId":112111,"journal":{"name":"Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122571460","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}
引用次数: 45
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