2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD)最新文献_第6页

Energy loss through standby and leakage in energy harvesting wireless sensors 能量收集无线传感器待机时的能量损失和泄漏

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 2015-09-01 DOI: 10.1109/CAMAD.2015.7390515

E. Gelenbe, Yasin Murat Kadioglu

引用次数: 20

Outage based power allocation for a lossy forwarding two-relaying system 基于停电的损耗转发双继电系统功率分配

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 2015-09-01 DOI: 10.1109/CAMAD.2015.7390522

Albrecht Wolf, Maximilian Matthé, Andreas Festag, G. Fettweis

{"title":"Outage based power allocation for a lossy forwarding two-relaying system","authors":"Albrecht Wolf, Maximilian Matthé, Andreas Festag, G. Fettweis","doi":"10.1109/CAMAD.2015.7390522","DOIUrl":"https://doi.org/10.1109/CAMAD.2015.7390522","url":null,"abstract":"The extension of Decode-and-Forward (DF) relaying by lossy forwarding has the potential to ensure a reliable multi-hop message transport in wireless mesh networks. Unlike in conventional DF relaying, with lossy forwarding a relay forwards a message regardless whether errors have been detected after decoding. At the destination, a proper joint decoding technique exploits the high correlation of messages received via different network paths. According to the Slepian-Wolf correlated source coding theorem a performance improvement compared with the conventional DF relaying can be expected. The performance can be optimized by a power allocation scheme that distributes the total transmit power budget between source and relay nodes. This paper analyzes the outage probability (OP) based on the Slepian-Wolf source correlation theorem for a system with two relays and designs a power allocation scheme to minimize the OP. The proposed scheme reduces the OP by up to 1.5 orders of magnitude compared to the reference case of equal power allocation. We also compare the performance gain of a system with two relays against the case with a single relay for the same total transmit power budget. Results show a reduction of the OP of at least one and up to two orders of magnitude.","PeriodicalId":370856,"journal":{"name":"2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD)","volume":"891 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123250425","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: 5

A mobility prediction scheme of LTE/LTE-A femtocells under different velocity scenarios LTE/LTE-A飞基站在不同速度场景下的移动性预测方案

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 2015-09-01 DOI: 10.1109/CAMAD.2015.7390532

M. R. Tabany, C. Guy

{"title":"A mobility prediction scheme of LTE/LTE-A femtocells under different velocity scenarios","authors":"M. R. Tabany, C. Guy","doi":"10.1109/CAMAD.2015.7390532","DOIUrl":"https://doi.org/10.1109/CAMAD.2015.7390532","url":null,"abstract":"Femtocells have been standardized by the Third-Generation Partnership Project (3GPP) technical specifications to be placed indoors and in the cell edge. Femtocells extend the coverage area and fulfil the upcoming demands of higher data rates. However, as a result of the mass deployment of femtocells, users experience extra delay and unnecessary handovers. This can severely influence the Quality of Service (QoS) of delay-sensitive Real-Time (RT) applications such as Voice over Long Term Evolution (VoLTE). 3GPP LTE/LTE-A wireless networks aim to ensure seamless mobility and fast handover support to RT and non-RT application services under high mobility. Mobility prediction is an effective technique to identify a future evolved and Home NodeB (eNB/HeNB) in advance, improve overall network QoS and satisfy end-user experience. This study investigates the role of mobility prediction in reducing VoLTE end-to-end delay and handover delay under different User Equipment (UE) velocities in mixed femtocell and macrocell environments. A mobility prediction scheme based on the user's path and Reference Signal Received Power and Reference Signal Received Quality (RSRP/RSRQ) measurements with mixed RT and non-RT traffic is proposed and then evaluated using a novel network model. The simulation results reveal that the proposed scheme has clearly reduced handover delay by 29%, kept VoLTE end-to-end delay within the ITU-T standard recommendations and maintained the desired QoS.","PeriodicalId":370856,"journal":{"name":"2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131502017","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

Physical layer security for wireless implantable medical devices 无线植入式医疗设备的物理层安全

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 2015-09-01 DOI: 10.1109/CAMAD.2015.7390497

Z. E. Ankarali, A. Demir, M. Qaraqe, Q. Abbasi, E. Serpedin, H. Arslan, R. Gitlin

引用次数: 22

Error propagation mitigation by exploiting source-relay correlation with limited channel feed-forward bits 利用有限通道前馈位的源中继相关性来减少错误传播

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 2015-09-01 DOI: 10.1109/CAMAD.2015.7390523

J. Hou, Chuyi Qian, N. Yi, Y. Ma

引用次数: 1

A hierarchical rate splitting strategy for FDD massive MIMO under imperfect CSIT 不完全CSIT下FDD大规模MIMO的分层速率分割策略

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 2015-07-28 DOI: 10.1109/CAMAD.2015.7390485

Mingbo Dai, B. Clerckx, D. Gesbert, G. Caire

{"title":"A hierarchical rate splitting strategy for FDD massive MIMO under imperfect CSIT","authors":"Mingbo Dai, B. Clerckx, D. Gesbert, G. Caire","doi":"10.1109/CAMAD.2015.7390485","DOIUrl":"https://doi.org/10.1109/CAMAD.2015.7390485","url":null,"abstract":"In a multiuser MIMO broadcast channel, the rate performance is affected by the multiuser interference when the Channel State Information at the Transmitter (CSIT) is imperfect. To tackle the interference problem, a Rate-Splitting (RS) approach has been proposed recently, which splits one user's message into a common and a private part, and superimposes the common message on top of the private messages. The common message is drawn from a public codebook and should be decoded by all users. In this paper, we propose a novel and general framework, denoted as Hierarchical Rate Splitting (HRS), that is particularly suited to FDD massive MIMO systems. HRS simultaneously transmits private messages intended to each user and two kinds of common messages that can be decoded by all users and by a subset of users, respectively. We analyse the asymptotic sum rate of HRS under imperfect CSIT. A closed-form power allocation is derived which provides insights into the effects of system parameters. Finally, simulation results validate the significant sum rate gain of HRS over various baselines1.","PeriodicalId":370856,"journal":{"name":"2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127084416","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: 8

Energy efficient resource allocation for 5G Heterogeneous Networks 5G异构网络的节能资源分配

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 2015-01-28 DOI: 10.1109/CAMAD.2015.7390492

Arsalan Saeed, E. Katranaras, A. Zoha, A. Imran, M. Imran, M. Dianati

{"title":"Energy efficient resource allocation for 5G Heterogeneous Networks","authors":"Arsalan Saeed, E. Katranaras, A. Zoha, A. Imran, M. Imran, M. Dianati","doi":"10.1109/CAMAD.2015.7390492","DOIUrl":"https://doi.org/10.1109/CAMAD.2015.7390492","url":null,"abstract":"This paper investigates the downlink resource allocation problem in Orthogonal Frequency Division Multiple Access (OFDMA) Heterogeneous Networks (HetNets) consisting of macrocells and small cells sharing the same frequency band. The focus of this study is to devise an energy efficient scheme that allows shared spectrum access to small cells, while ensuring a certain level of quality of service for the macro cell users. It further enable us to minimize the overall energy consumption by switching the underutilized small cells to sleep mode. To devise such a mechanism, we have used a combination of linear binary integer programming and progressive analysis based heuristic algorithm. We evaluated our proposed solution by comparing the macrocell served users performance against Reuse 1 case. Moreover, we provide an analytical comparison of the network power consumption with and without the sleep mode capabilities. It has been shown that our proposed algorithm not only reduces the overall network energy consumption but also minimizes the interference caused by smalls cells to macrocell served users.","PeriodicalId":370856,"journal":{"name":"2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130722565","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

DS-CDMA assisted visible light communications systems DS-CDMA辅助可见光通信系统

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 1900-01-01 DOI: 10.1109/CAMAD.2015.7390475

Chang He, Lie-liang Yang, P. Xiao, M. Imran

引用次数: 9

On the optimal number of antennas for power efficient generalized spatial modulation 高能效广义空间调制的最优天线数研究

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 1900-01-01 DOI: 10.1109/CAMAD.2015.7390477

Kaige Yang, C. Masouros

引用次数: 2

Performance evaluation and comparison of different multicarrier modulation schemes 不同多载波调制方案的性能评价与比较

2015 IEEE 20th International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD) Pub Date : 1900-01-01 DOI: 10.1109/CAMAD.2015.7390479

A. Zafar, M. Imran, P. Xiao, Aijun Cao, Yonghong Gao

引用次数: 8