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2018 15th International Symposium on Wireless Communication Systems (ISWCS)最新文献

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Tomlinson-Harashima Precoded Rate-Splitting for Multiuser Multiple-Antenna Systems 多用户多天线系统的预编码速率分割
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491245
A. Flores, B. Clerckx, R. D. Lamare
{"title":"Tomlinson-Harashima Precoded Rate-Splitting for Multiuser Multiple-Antenna Systems","authors":"A. Flores, B. Clerckx, R. D. Lamare","doi":"10.1109/ISWCS.2018.8491245","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491245","url":null,"abstract":"In this work, we investigate the performance of Rate-Splitting (RS) based on Tomlinson-Harashima Precoding (THP) in a multiple-antenna broadcast channel with perfect and imperfect Channel State Information at the Transmitter (CSIT). In particular, we consider RS using centralized and decentralized THP structures, where only one user splits its message into a common and private part, and develop expressions to describe the signal-to-interference-plus-noise (SINR) ratio and the sum rates associated with these schemes. Furthermore, we also assess the performance achieved by RS combined with Dirty-Paper Coding (DPC). Simulations show that RS with THP outperforms existing standard THP and RS with linear precoding schemes.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131866698","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: 20
Interleaver Design for LDPC-Partial Polar Codes Based on EXIT Analysis 基于出口分析的ldpc -部分极码交织器设计
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491247
Xueting Zhang, Yingzhuang Liu, Chen Hu, Shaoping Chen
{"title":"Interleaver Design for LDPC-Partial Polar Codes Based on EXIT Analysis","authors":"Xueting Zhang, Yingzhuang Liu, Chen Hu, Shaoping Chen","doi":"10.1109/ISWCS.2018.8491247","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491247","url":null,"abstract":"The concatenation of polar codes with LDPC codes is a promising approach to enhance the performance of polar codes at finite lengths while suppressing the error floor of LDPC codes. The polarized bit-channels of polar coding at finite lengths exhibit different qualities, i.e., some are almost noiseless while others are noisy. This implies that unbalanced protection is needed in the design of concatenating polar codes with other codes. To this end, a scheme of concatenatng polar codes with outer irregular LDPC codes for the protection of intermediate channels of polar codes is proposed in this paper. Between two constituent codes, a specifically designed interleaver is employed such that the overall error probability is minimized. The extrinsic information transfer (EXIT) analysis and a low-complexity heuristic method are proposed for the interleaver design. The soft cancellation (SCAN) and belief propagation(BP) algorithms are employed for the decoding of concatenated codes. Simulations are provided to validate its advantages in terms of excellent error correction capability and low decoding complexity.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125954734","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
On the Energy Efficiency of Relay-Assisted In- Vivo Nano- Networks Communications 中继辅助体内纳米网络通信的能量效率研究
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491066
Marcos Eduardo Pivaro Monteiro, J. L. Rebelatto, G. Brante
{"title":"On the Energy Efficiency of Relay-Assisted In- Vivo Nano- Networks Communications","authors":"Marcos Eduardo Pivaro Monteiro, J. L. Rebelatto, G. Brante","doi":"10.1109/ISWCS.2018.8491066","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491066","url":null,"abstract":"We evaluate the performance in terms of energy efficiency of multiple cooperative schemes for in-vivo nano-networks in the terahertz band. More specifically, we consider a multiple relay-aided network where the relays are capable of operating under: i) all-active relaying, where multiple relay nodes are placed midway between the transmitter $(S)$ and the receiver $(D)$ nodes in order to forward the messages; ii) selective relaying, where, similarly to the all-active scheme, multiple relay nodes are placed between $S$ and $D$, but only a selected relay forward the message; iii) multi-hop relaying, where, instead of placing the relays midway between $S$ and $D$, the relays are evenly distributed in the communication path. Our analysis demonstrates that the optimal scheme is distance-dependent and, for larger distances, the multi-hop scheme outperforms the other aforementioned schemes.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124774640","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
Analysis of Machine Learning Algorithms for Spectrum Decision in Cognitive Radios 认知无线电频谱决策中的机器学习算法分析
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491060
L. Pinto, L. H. A. Correia
{"title":"Analysis of Machine Learning Algorithms for Spectrum Decision in Cognitive Radios","authors":"L. Pinto, L. H. A. Correia","doi":"10.1109/ISWCS.2018.8491060","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491060","url":null,"abstract":"Technological advances in recent years have reduced the manufacturing costs of wireless devices, increasing the number of such devices and applications. Most of these applications are supported by ISM (Industrial, Scientific, and Medical) frequencies, which due to their wide use in several types of devices have suffered from harmful interference. To solve this problem, Cognitive Radios paradigm has been proposed to guarantee the quality of communication. Several frameworks were proposed for the development of a Cognitive Radios Networks (CRN), but none of them were effectively implemented in hardware. This paper presents an analysis of machine learning algorithms in architecture for the development of CRN in real hardware. Results demonstrated the feasibility of the architecture and the decision methods based on machine learning algorithms can find the best communication channel.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129437508","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
Spatially Scalable Lossy Coded Caching 空间可扩展的有损编码缓存
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491211
M. Bayat, Çagkan Yapar, G. Caire
{"title":"Spatially Scalable Lossy Coded Caching","authors":"M. Bayat, Çagkan Yapar, G. Caire","doi":"10.1109/ISWCS.2018.8491211","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491211","url":null,"abstract":"We apply the coded caching scheme proposed by Maddah-Ali and Niesen to a multipoint multicasting video paradigm. Partially caching the video files on the wireless devices provides an opportunity to decrease data traffic load in peak hours via sending multicast coded messages to users. In this paper, we propose a two-hop wireless network for video multicasting, where the common coded multicast message is transmitted through different single antenna Edge Nodes (ENs) to multiple antenna users. Each user can decide to decode any EN by using a zero forcing receiver. Motivated by Scalable Video Coding (SVC), we consider successive refinement source coding in order to provide a “softer” tradeoff between the number of decoded ENs and the source distortion at each user receiver. The resulting coding scheme can be seen as the concatenation of Maddah-Ali and Niesen coded caching for each source-coded layer, and multiple description coding. Using stochastic geometry, we investigate the tradeoff between delivery time and peruser average source distortion. The proposed system is spatially scalable in the sense that, for given users' and ENs' spatial density, the achieved distortion-delivery time performance is independent of the coverage area (for in the limit of large area).","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128479548","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
Reliability Oriented Dual Connectivity for URLLC services in 5G New Radio 面向可靠性的5G新无线电URLLC业务双连接
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491093
N. Mahmood, Melisa López, D. Laselva, K. Pedersen, Gilberto Berardinelli
{"title":"Reliability Oriented Dual Connectivity for URLLC services in 5G New Radio","authors":"N. Mahmood, Melisa López, D. Laselva, K. Pedersen, Gilberto Berardinelli","doi":"10.1109/ISWCS.2018.8491093","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491093","url":null,"abstract":"Novel solutions are required to meet the stringent reliability and latency requirements targeted for the Ultra Reliable Low Latency Communication service class, which emerged with the introduction of 5G new radio. This paper analyses reliability-oriented multi-Connectivity - where the same data packet is independently transmitted through multiple links - as such a solution. Multi-connectivity is first presented at a conceptual level. We then propose a novel admission mechanism to control the number of users operating in multi-connectivity mode. Finally, the reliability and latency enhancement with multi-connectivity in heterogeneous network scenario with multi-service traffic is evaluated via system level simulation. Up to 23% latency reduction and 57% reliability improvements over the single connectivity solution are observed. However such gains are sensitive to the configuration criteria, and the average gains are more modest.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128739915","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
Secure NOMA Based Cooperative Networks with Rate-Splitting Source and Full-Duplex Relay 基于分频源和全双工中继的安全NOMA合作网络
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491208
Beixiong Zheng, Fangjiong Chen, Miaowen Wen, Qiang Li, Yun Liu, Fei Ji
{"title":"Secure NOMA Based Cooperative Networks with Rate-Splitting Source and Full-Duplex Relay","authors":"Beixiong Zheng, Fangjiong Chen, Miaowen Wen, Qiang Li, Yun Liu, Fei Ji","doi":"10.1109/ISWCS.2018.8491208","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491208","url":null,"abstract":"In this paper, we develop a non-orthogonal multiple access (NOMA)-based cooperative network against multiple eavesdroppers, in which the source delivers confidential information using rate-splitting approach to the destination under the help/protection of the full-duplex relay. Specifically, by splitting the symbol into two sub-symbols at the source, the channel gain differences created by the relay can be exploited between two sub-symbols to use spectral resource more efficiently with NOMA proposal. On the other hand, by enabling the full-duplex technique in the first phase, the relay not only forwards the confidential information to the destination but also keeps radiating artificial noises to confuse multiple potential eavesdroppers. Different decoding schemes based on the successive interference cancellation (SIC) are proposed for the destination, relay, and eavesdroppers. Closed-form expressions of the ergodic secrecy rates are derived, which perfectly match the computer simulation results for our proposed network.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"152 13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128592206","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: 7
Performance Analysis of Small Cell Networks Using Accurate Path Loss Model at 39 GHz 基于39 GHz精确路径损耗模型的小型蜂窝网络性能分析
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491202
Yangying Zhang, Xiaojun Jing, Hui Gao, Bohan Li, Jianxiao Xie
{"title":"Performance Analysis of Small Cell Networks Using Accurate Path Loss Model at 39 GHz","authors":"Yangying Zhang, Xiaojun Jing, Hui Gao, Bohan Li, Jianxiao Xie","doi":"10.1109/ISWCS.2018.8491202","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491202","url":null,"abstract":"In this paper, we apply an accurate millimeter wave (mmWave) path loss model, obtained from outdoor measurement operated at 39 GHz in Qingdao, China, into the stochastic geometry analysis to investigate the system performance of small cell networks (SCNs) with non-identical user equipment (UE) - base station (BS) antenna heights. The analytical expressions for coverage probability and outage probability are derived in detail, which are functions of BS density and absolute difference between the antenna heights of BS and UE. The analytical results of coverage probability and outage probability are verified through Monte Carlo simulation. Our study shows that as the SCNs become denser, the impact of antenna heights difference on coverage and outage probability is more significant.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"426 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126722641","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
Message-Passing Algorithm for Sum-rate Maximization in Multi-antenna Underlay D2D Communications 多天线底层D2D通信中最大和速率的消息传递算法
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491058
Berna Özbek, M. Pischella, D. L. Ruyet
{"title":"Message-Passing Algorithm for Sum-rate Maximization in Multi-antenna Underlay D2D Communications","authors":"Berna Özbek, M. Pischella, D. L. Ruyet","doi":"10.1109/ISWCS.2018.8491058","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491058","url":null,"abstract":"In this paper, we propose a resource allocation of device-to-device (D2D) communications underlaying multiantenna cellular systems by employing message-passing algorithm. It is possible to construct the factor graph of the D2D pairs by considering the interference power at the base station and among the D2D pairs. The goal is to avoid interfering the cellular transmission while increasing the sum data rate of D2D pairs. We show that the proposed resource allocation based on message passing algorithm allow us to almost reach the performance of the exhaustive search and outperforms the random allocation. Since the associated factor graph is not fully connected, the complexity of the algorithm is significantly reduced compared to the exhaustive search.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121095646","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
Towards Resource-Efficient Wireless Edge Analytics for Mobile Augmented Reality Applications 面向移动增强现实应用的资源高效无线边缘分析
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491206
L. Chatzieleftheriou, G. Iosifidis, I. Koutsopoulos, D. Leith
{"title":"Towards Resource-Efficient Wireless Edge Analytics for Mobile Augmented Reality Applications","authors":"L. Chatzieleftheriou, G. Iosifidis, I. Koutsopoulos, D. Leith","doi":"10.1109/ISWCS.2018.8491206","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491206","url":null,"abstract":"From entertainment to education, augmented reality (AR) is about to impact positively our everyday lives. Enhanced capabilities of mobile devices, such as smartphones or wear-ables, as well as ubiquitous network connectivity give AR the opportunity to prosper. Despite these improvements, AR requires computationally heavy tasks, such as context recognition and classification through image or video processing, which are hard to fulfill on mobile devices. To this end, solutions for computation offloading to cloud servers have been proposed. We consider a scenario where context identification is performed through elicitation of user-generated information, such as images or small video files. It is the quantity of this information that ultimately determines the context classification precision, which we model as a Binomial random variable. We introduce the problem of maximizing a lower bound of the precision of context classification through prudent resource allocation, namely computation offloading, and bandwidth and computational capacity allocation at the wireless network edge. We define the context classification precision as a function of the quantity of information that users provide, and we demonstrate through numerical experiments that appropriate management of the limited resources at the wireless edge can maximize the classification precision of data analytics mechanisms needed for augmented reality applications.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121832483","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
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