2015 IEEE 12th Malaysia International Conference on Communications (MICC)最新文献_第4页

Spectrum aware distance utilization routing protocol for cognitive radio networks 认知无线网络的频谱感知距离利用路由协议

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725404

Ramesh Babu Battula, M. Gaur, D. Gopalani, Meenakshi Tripathi

{"title":"Spectrum aware distance utilization routing protocol for cognitive radio networks","authors":"Ramesh Babu Battula, M. Gaur, D. Gopalani, Meenakshi Tripathi","doi":"10.1109/MICC.2015.7725404","DOIUrl":"https://doi.org/10.1109/MICC.2015.7725404","url":null,"abstract":"The increasing demand of wireless applications has led to the problem of spectrum scarcity. The new networking paradigm is widely known as Dynamic Spectrum Access (DSA). DSA can be realized by use of cognitive radio (CR) technology. A CR provides an opportunistic utilization of an underutilized spectrum to the node with which it is equipped. Usually a nonlicensed user/node is equipped with a CR. Recent research has mainly been focused on Spectrum sensing, sharing, mobility and decision making which allows one to make use available free spectrum blocks opportunistically, but less emphasis have been laid on routing in multi-hope cognitive radio networks (CRNs). The feasibility of a multi-hope CRN depends entirely on routing scheme employed in it, as it ensures end-to-end delivery of data packets. Hence to make CRNs more efficient and prominent, an effective routing layer is required which is aware of the dynamics of CRNs. This work proposes a Spectrum Aware Distance Utilization Routing Protocol for (CRNs). The proposed protocol aims at providing optimal routing paths, which offers high spectrum availability with minimum path length between any pair of Source and Destination, hence enhancing routing in multi-hop CRNs. For optimal path formulation, it uses spectrum availability and link utilization factor. Through extensive simulations the efficiency of the proposed protocol found better than the existing ones.","PeriodicalId":225244,"journal":{"name":"2015 IEEE 12th Malaysia International Conference on Communications (MICC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123236248","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

On spectral efficiency maximization in a partial joint processing system using a multi-start particle swarm optimization algorithm 基于多起点粒子群优化算法的局部联合加工系统频谱效率最大化研究

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725449

A. Faisal, F. Hashim, M. Ismail, N. Noordin

{"title":"On spectral efficiency maximization in a partial joint processing system using a multi-start particle swarm optimization algorithm","authors":"A. Faisal, F. Hashim, M. Ismail, N. Noordin","doi":"10.1109/MICC.2015.7725449","DOIUrl":"https://doi.org/10.1109/MICC.2015.7725449","url":null,"abstract":"Downlink joint processing (JP) between base stations eliminates the inter-cell interference in a cellular system with a frequency reuse factor of one and improves the spectral efficiency of cell-edge users. JP has a huge impact on both feedback and backhaul load, and thus partial JP was presented to tackle with signaling demand. However, achieving equivalent backhaul reduction based on limited feedback channel state information is challenging when linear techniques, such as zero-forcing beamforming (BF) are used, which led to the use of stochastic algorithms instead. Therefore stochastic multi-start particle swarm optimization algorithm (MSPSOA) is proposed in this paper to achieve backhaul reduction and address the issue of lack of diversity, which is related to the basic particle swarm optimization algorithm (BPSOA). The lack of diversity has been solved in this work by replacing the inactive particles adaptively based on a predefined constant which represents the difference between local best and global best optimization criterion. The performance of the proposed MSPSOA and BPSOA BF is evaluated with respect to full and partial JP using different metrics such as sum-rate, actual interference and convergence using a multipath realistic environment WINNER II channel model. The proposed MSPSOA outperforms BPSOA in terms of average sum-rate by 15.3%, while the actual interference decreased by 14.6% in some conducted scenarios.","PeriodicalId":225244,"journal":{"name":"2015 IEEE 12th Malaysia International Conference on Communications (MICC)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132644256","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

A new wideband double negative metamaterial 一种新型宽带双负超材料

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725455

S. S. Islam, M. Islam, M. Faruque

引用次数: 3

Rain fade mitigation on earth-to-satellite microwave links using site diversity 利用站点分集减缓地星微波链路的雨衰

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725431

I. Rafiqul, M. H. Habaebi, Islam Md Haidar, A. K. Lwas, A. Zyoud, Mandeep S. J. Singh

引用次数: 5

Performance evaluation of RSS-based WSN indoor localization scheme using artificial neural network schemes 基于rss的无线传感器网络室内定位方案的性能评价

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725451

Aiman Ibrahim, S. Rahim, H. Mohamad

引用次数: 13

Opportunistic relays selection for successive relaying with inter-relay interference 有中继间干扰的连续中继的机会继电器选择

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725448

Qian Yu Liau, C. Leow

{"title":"Opportunistic relays selection for successive relaying with inter-relay interference","authors":"Qian Yu Liau, C. Leow","doi":"10.1109/MICC.2015.7725448","DOIUrl":"https://doi.org/10.1109/MICC.2015.7725448","url":null,"abstract":"In the presence of inter-relay interference, the capacity performance of successive relaying can be severely degraded. Existing literature on successive relaying does not consider the channel quality of the inter-relay channel in maximising the capacity performance. Therefore, we propose an opportunistic successive relaying scheme that jointly considers the channel conditions of source-to-relay channels, relay-to-destination channels and also the inter-relay channels. In the proposed scheme, we select a pair of relays out of N potential relays in a distributed fashion to optimise the instantaneous end-to-end capacity in the presence of inter-relay interference. The performance of the proposed opportunistic successive relaying scheme is simulated using Monte Carlo technique and the ergodic capacity is analysed. The simulation results justify that the proposed scheme is able to mitigate the adverse effect of inter-relay interference effectively. Based on the analytical result, we prove that the asymptotic ergodic capacity of the proposed scheme increases logarithmically with quadratic of the number of potential relays at high SNR.","PeriodicalId":225244,"journal":{"name":"2015 IEEE 12th Malaysia International Conference on Communications (MICC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130002182","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

Evaluation of contiguous and non-contiguous channel bonding schemes based on TVWS spectrum occupancy in Malaysia 基于马来西亚TVWS频谱占用的连续和非连续信道绑定方案的评估

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725406

R. A. Rahim, R. Nordin, M. Ismail, N. Abdullah

引用次数: 2

Web-based monitoring of an automated fertigation system: An IoT application 基于网络的自动化施肥系统监控:物联网应用

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725397

Shah Abd Hafiz Zainal Abidin, S. Ibrahim

{"title":"Web-based monitoring of an automated fertigation system: An IoT application","authors":"Shah Abd Hafiz Zainal Abidin, S. Ibrahim","doi":"10.1109/MICC.2015.7725397","DOIUrl":"https://doi.org/10.1109/MICC.2015.7725397","url":null,"abstract":"Internet of Things (IoT) is an emerging system that incorporates many technologies from different areas. In this paper, we present the implementation of IoT in an agriculture industry, particularly in monitoring an automated fertigation system. The monitoring system comprises a web-based system, an automatic fertigation system and a communication network. The main focus of this paper is on the web-based system where the data from the SQLite database is used in the web-GUI to display parameters such as the status of water level, the flow condition of valves and pipes as well as the overall operation of automated fertigation system. The paper also described on how farmers can access the website, set fertigation schedule and determine fertilizer's formulation. Different from others, this system is equipped with emergency mode to stop the fertigation system which can be controlled directly from the website. Our method uses a microprocessor to handle the databases, web-GUI and control communications between the fertigation system and the web-based system. This system will ease farmers in managing their automated fertigation system virtually using their mobile devices.","PeriodicalId":225244,"journal":{"name":"2015 IEEE 12th Malaysia International Conference on Communications (MICC)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130587273","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

Phase unwrapping technique for dual-frequency Doppler ranging estimation 双频多普勒测距估计的相位展开技术

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725452

N. Hassan, S. Yusof, K. M. Yusof

引用次数: 0

Multiple output LC tank varactor VCO with ultra-low power consumption and low-phase noise 多输出LC槽变容压控振荡器，超低功耗，低相位噪声

2015 IEEE 12th Malaysia International Conference on Communications (MICC) Pub Date : 2015-11-01 DOI: 10.1109/MICC.2015.7725453

L. Chek, S. Mekhilef, M. Krishnamurthi, E. Sulaiman

引用次数: 4