2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)最新文献_第3页

Investigation on joint optimization for user association and inter-cell interference coordination based on proportional fair criteria 基于比例公平准则的用户关联和小区间干扰协调联合优化研究

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270490

N. Miki, Yusaku Kanehira, Hiroaki Tokoshima

{"title":"Investigation on joint optimization for user association and inter-cell interference coordination based on proportional fair criteria","authors":"N. Miki, Yusaku Kanehira, Hiroaki Tokoshima","doi":"10.1109/ICSPCS.2017.8270490","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8270490","url":null,"abstract":"In order to support the continuous growth in the amount of mobile traffic, small cell deployments, that increase the base station (BS) density, are promising. In small cell deployments, combined usage of user association and inter-cell interference coordination (ICIC) is inevitable. This paper investigates the joint optimization of user association and ICIC in the downlink. We first formulate the joint optimization problem as a utility maximization problem. We then employ the logarithmic utility function known as the proportional fair criteria. The optimum user association and the ICIC are derived by solving a convex optimization problem based on the average spectral efficiencies of all users. We propose an iterative algorithm to obtain the optimum solution to this problem. We evaluate the performance of the proposed algorithm in the small cell deployments and shows that the proposed algorithm works well. Furthermore, we show that the combined usage of the inter-tier ICIC and intra-tier ICIC enhances the throughput performance compared to schemes employing either the inter-or intra-tier ICIC scheme.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127431253","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

Multi-link cache data retrieval for delivery phase in ultra dense small cell networks 超密集小蜂窝网络传输阶段的多链路缓存数据检索

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8305448

K. S. Khan, Saud Khan, A. Jamalipour

{"title":"Multi-link cache data retrieval for delivery phase in ultra dense small cell networks","authors":"K. S. Khan, Saud Khan, A. Jamalipour","doi":"10.1109/ICSPCS.2017.8305448","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8305448","url":null,"abstract":"Smart user association methods can have tremendous advantages when it comes to caching. It is anticipated that, in future, small cell deployment will be such that there will be at least one small cell for every user. This comes with a great advantage of maximizing the hit probability for cache-enabled networks. In this work, we investigate a multi-link user association model for Ultra Dense Networks (UDN) in which a user associates with multiple caching entities to retrieve its requested content. The user has a chance to search for the requested file at multiple locations, which will increase the chances of getting the request fulfilled, subsequently increasing the cache hit ratio of the user. We let the user select its preferences based on the received SINR from the available caches and leverage the basic user association methods to fully exploit the resources available to the user. Consequently, we derive analytical expressions to study the data rate and achieved cache hit ratio by the proposed method. Through simulation results, we illustrate that the performance of our proposed multi-link cache data retrieval method is distinctively different from present schemes and shed new insight on serving users in a cache-enabled UDN.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132763865","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

Outage probability of a hybrid AF-DF protocol for two-way underlay cognitive cooperative radio networks 双向底层认知协同无线网络中混合AF-DF协议的中断概率

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270485

T. Chu, H. Zepernick

{"title":"Outage probability of a hybrid AF-DF protocol for two-way underlay cognitive cooperative radio networks","authors":"T. Chu, H. Zepernick","doi":"10.1109/ICSPCS.2017.8270485","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8270485","url":null,"abstract":"In this paper, we study a hybrid amplify-and-forward (AF) and decode-and-forward (DF) scheme for two-way cognitive cooperative radio networks (CCRNs). The proposed scheme applies the AF scheme when the signal-to-interference-plus-noise ratio (SINR) at the relay is below a predefined threshold such that the relay cannot successfully decode the signal. On the other hand, when the SINR at the relay is greater than the predefined threshold, it decodes the signal and then forwards it to the destination, i.e. avoids noise and interference amplification at the relay. An analytical expression of the outage probability of the hybrid AF-DF two-way CCRN is derived based on the probability density function and cumulative distribution function of the SINR in AF and DF mode. Numerical results are provided to illustrate the influence of network parameters such as transmit power, interference power constraint of the primary network, fading conditions, and link distances on the outage probability. Finally, the numerical results show that the hybrid strategy is able to improve system performance significantly compared to conventional AF or DF relaying.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131533030","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

Cooperative recovery of coverage holes in WSNs via disjoint spanning trees 基于不相交生成树的无线传感器网络覆盖洞协同恢复

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270473

A. Rafiei, M. Abolhasan, D. Franklin, F. Safaei, Stephen Smith, Wei Ni

{"title":"Cooperative recovery of coverage holes in WSNs via disjoint spanning trees","authors":"A. Rafiei, M. Abolhasan, D. Franklin, F. Safaei, Stephen Smith, Wei Ni","doi":"10.1109/ICSPCS.2017.8270473","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8270473","url":null,"abstract":"Large scale coverage holes (CHs) resulting from correlated node failures, can significantly degrade quality of service and also jeopardise the integrity of WSNs. In the absence of centralised control, the distributed relocation of deployed nodes becomes a promising solution especially in harsh and hostile environments. In this paper, a distributed method is proposed that enables a network to partially or entirely repair itself through a collection of distributed movements of disjoint spanned trees (DS-Trees) towards the CHs. DS-Trees are spanned based on the nodes distances from the CHs, which are autonomously perceived by the nodes and their one-hop neighbours. DS-Trees around the CHs are spanned in a downstream style outwards from the holes, as nodes select their parents based on the minimum distance to the CH from their neighbours; nodes then decide whether or not to follow the movements of their DS-Trees parents. To examine the efficiency of the proposed model, its performance is compared with two Voronoi-based and one force-based node relocation algorithms. Results show that the proposed DS-Tree model either outperforms or matches the alternative approaches across a wide range of scenarios.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132968102","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: 1

Analysis of stability and delay in Random-Access network modeled by poisson point process with queueing theory 用排队理论分析泊松点过程随机接入网络的稳定性和时延

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270468

Jinhyun Ahn, T. Sung, J. Park, Kwang-Eog Lee, Joonhyuk Kang

引用次数: 0

Antenna array based framework with multipath mitigation for signal emitter detection and localization 基于天线阵列的多径减缓框架，用于信号发射器的检测和定位

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270462

J. Maranhao, J. Costa, Rafael Timóteo de Sousa Júnior, A. Braga, G. D. Galdo

引用次数: 5

A reconfigurable wideband streaming channeliser for RF sensing applications: A multiple GPU-based implementation 用于射频传感应用的可重构宽带流信道器:基于多gpu的实现

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270487

Simon Faulkner, S. D. Elton, T. Lamahewa, David Roberts

{"title":"A reconfigurable wideband streaming channeliser for RF sensing applications: A multiple GPU-based implementation","authors":"Simon Faulkner, S. D. Elton, T. Lamahewa, David Roberts","doi":"10.1109/ICSPCS.2017.8270487","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8270487","url":null,"abstract":"This paper describes the design and implementation of a reconfigurable, software-defined spectral channeliser for radio frequency (RF) spectrum sensing applications. The software-based design targets a parallel, multi-core processor architecture in the form of a graphics processing unit (GPU) and incorporates a polyphase filter bank design. Our implementation provides continuous channelisation of RF intercept data across a scalable number of GPU processing engines. On modern generation GPUs, such as the Tesla K40c, we found that our GPU-hosted channeliser satisfies real-time processing requirements for a current microwave intercept receiver with electronic warfare applications. Specifically, a system with an instantaneous collection bandwidth of 500 MHz and a digital sample rate of 1.333 GSa/s. The configurable nature of our channeliser was not done at the expense of performance, in that a similar computational efficiency was achieved across multiple channel sizes. Our analysis also includes a profiling of the computational load on the GPU and comparing it to that of a single core, high performance, CPU implementation. We found that we were able to achieve up to 40x improvement in performance with our implementation on a single GPU and this result scaled linearly when additional GPU resources were utilised.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"418 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115995980","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

On the connection between matrix notch filter and maximum likelihood estimation of sinusoidal parameters 矩阵陷波滤波器与正弦参数极大似然估计的关系

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270467

P. Vishnu, C. S. Ramalingam

引用次数: 1

Receiver cooperative MIMO-OFDM with higher-frequency radio forwarding 接收机协同MIMO-OFDM与更高频率的无线电转发

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270479

D. Umehara, Shuhei Ueno, Ryota Akagi

引用次数: 1

Automatic detection of TV commercial blocks: A new approach based on digital on-screen graphics classification 电视广告块自动检测:基于数字屏幕图形分类的新方法

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270456

Alexandre Gomes, Tiago Rosa Maria Paula Queluz, F. Pereira

引用次数: 4