The International Conference on Information Networking 2014 (ICOIN2014)最新文献_第9页

Analysis and suppression of phase noise and IQ imbalance for dual-band MIMO-OFDM 双频MIMO-OFDM的相位噪声和IQ不平衡分析与抑制

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799489

Junyeong Bok, H. Ryu

{"title":"Analysis and suppression of phase noise and IQ imbalance for dual-band MIMO-OFDM","authors":"Junyeong Bok, H. Ryu","doi":"10.1109/ICOIN.2014.6799489","DOIUrl":"https://doi.org/10.1109/ICOIN.2014.6799489","url":null,"abstract":"Carrier aggregation (CA) schemes and multiple antenna techniques are used for the orthogonal frequency division multiplexing (OFDM) in order to highly improve the communication capacity in LTE-advanced. In order to implement the multi-band system based on multiple-input multiple-output (MIMO) technique, a wideband frequency synthesizer is required. But, when using broadband frequency synthesizer, serious phase noise problem occurs at the transceiver. In addition, when using MIMO scheme, IQ imbalance is a critical impairment as it causes inter carrier interferences (ICI), that results in severe degradation of the receive performance. Therefore, a joint phase noise and IQ imbalance compensation technique is needed at the receiver for LTE-advanced system with CA and MIMO. In this article, we analyze the effects of the phase noise and IQ imbalance in dual band MIMO-OFDM system, and propose a novel compensation scheme in order to enhance the system performance. From the simulation results, it can be seen that phase noise and IQ imbalance cause serious performance degradation of dual-band MIMO-OFDM system, and the proposed schemes has significantly improved BER performance by concurrent suppression of ICI due to phase noise and IQ imbalance.","PeriodicalId":388486,"journal":{"name":"The International Conference on Information Networking 2014 (ICOIN2014)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134568831","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

Pipeline architecture for mobile data analysis 移动数据分析的管道架构

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799730

A. F. Conceição, Jimmy V. Sánchez, Bruno Gabriel dos Santos, Dario Vieira, V. Rocha

引用次数: 0

Indoor TD-LTE small cell deployment study: Benefit of adding cells is not always existing 室内TD-LTE小型基站部署研究:增加基站的好处并不总是存在的

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799743

Yi Wu, P. Butovitsch

引用次数: 1

Efficient Bandwidth Estimation for HTTP adaptive streaming HTTP自适应流的高效带宽估计

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799725

Dooyeol Yun, K. Chung, Jinpyo Hong

引用次数: 4

Investigating the utility of S-transform for detecting Denial-of-Service and probe attacks 研究s变换在检测拒绝服务攻击和探测攻击中的效用

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799482

S. Pukkawanna, H. Hazeyama, Y. Kadobayashi, S. Yamaguchi

{"title":"Investigating the utility of S-transform for detecting Denial-of-Service and probe attacks","authors":"S. Pukkawanna, H. Hazeyama, Y. Kadobayashi, S. Yamaguchi","doi":"10.1109/ICOIN.2014.6799482","DOIUrl":"https://doi.org/10.1109/ICOIN.2014.6799482","url":null,"abstract":"Denial-of-Service (DoS) and probe attacks are growing more modern and sophisticated in order to evade detection by Intrusion Detection Systems (IDSs) and to increase the potent threat to the availability of network services. Detecting these attacks is quite tough for network operators using misuse-based IDSs because they need to see through attackers and upgrade their IDSs by adding new accurate attack signatures. In this paper, we proposed a novel signal and image processing-based method for detecting network probe and DoS attacks in which prior knowledge of attacks is not required. The method uses a time-frequency representation technique called S-transform, which is an extension of Wavelet Transform, to reveal abnormal frequency components caused by attacks in a traffic signal (e.g., a time-series of the number of packets). Firstly, S-Transform converts the traffic signal to a two-dimensional image which describes time-frequency behavior of the traffic signal. The frequencies that behave abnormally are discovered as abnormal regions in the image. Secondly, Otsu's method is used to detect the abnormal regions and identify time that attacks occur. We evaluated the effectiveness of the proposed method with several network probe and DoS attacks such as port scans, packet flooding attacks, and a low-intensity DoS attack. The results clearly indicated that the method is effective for detecting the probe and DoS attack streams which were generated to real-world Internet.","PeriodicalId":388486,"journal":{"name":"The International Conference on Information Networking 2014 (ICOIN2014)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121461134","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

FTTx with dynamic wavelength and bandwidth allocation 具有动态波长和带宽分配的FTTx

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799735

Pichittra Kanjanopas, Rachata Maneekut, P. Kaewplung

引用次数: 1

C-flow: An efficient content delivery framework with OpenFlow C-flow:使用OpenFlow的高效内容交付框架

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799480

Dukhyun Chang, Myungchul Kwak, Nakjung Choi, T. Kwon, Yanghee Choi

引用次数: 29

An efficient power-saving transmission mechanism in LTE macrocell-femtocell hybrid networks LTE宏蜂窝-飞蜂窝混合网络中一种高效节能的传输机制

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-04-17 DOI: 10.1109/ICOIN.2014.6799687

Yao-Liang Chung

{"title":"An efficient power-saving transmission mechanism in LTE macrocell-femtocell hybrid networks","authors":"Yao-Liang Chung","doi":"10.1109/ICOIN.2014.6799687","DOIUrl":"https://doi.org/10.1109/ICOIN.2014.6799687","url":null,"abstract":"The energy minimization plays an important role in access networks especially the macrocell base station (MBS) for green communications to cope with the problem of the so huge energy consumption, the rising energy cost, and the carbon dioxide emission. According to various academic and industry surveys, two-tier macrocell-femtocell networks should be the key network architecture to reduce the total power consumption of the MBSs. Also, Long Term Evolution (LTE) systems are expected to improve the network capacity with full mobility. In this paper, an efficient power-saving transmission mechanism is proposed in two-tier LTE macrocell-femtocell networks for dynamically managing transceivers at femtocell BSs (FBSs) to improve the energy-saving performance. The proposed mechanism allows grouped FBSs to smartly activate/deactivate, respectively, based on dynamic traffic loads, to address the energy minimization problem for transceivers at both MBSs and FBSs, while maintaining at a pre-determined data rate. Simulation results demonstrate that the proposed one is able to achieve a much better energy-saving performance, when compared with that of existing approaches.","PeriodicalId":388486,"journal":{"name":"The International Conference on Information Networking 2014 (ICOIN2014)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115554258","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

Joint pricing and capacity planning for IaaS cloud IaaS云的联合定价和容量规划

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-02-01 DOI: 10.1109/ICOIN.2014.6799661

L. Tang, Jinghui Qian, Lei Xu, Yan Yu

{"title":"Joint pricing and capacity planning for IaaS cloud","authors":"L. Tang, Jinghui Qian, Lei Xu, Yan Yu","doi":"10.1109/ICOIN.2014.6799661","DOIUrl":"https://doi.org/10.1109/ICOIN.2014.6799661","url":null,"abstract":"We consider a monopoly Infrastructure-as-a-Service (IaaS) provider market with a set of Software-as-a-Service (SaaS) providers, where each SaaS provider lease the virtual machines (VMs) from the IaaS provider to provide cloud-based application services to its end-users. We investigate the problem of designing a joint pricing and capacity planning scheme from the IaaS provider's perspective. Specifically, we first study the SaaS providers' optimal decisions in terms of the amount of end-user requests to admit and the number of VMs to lease, given the resource price charged by the IaaS provider. Next, based on the best responses of the SaaS providers, we study joint pricing and capacity planning to maximize the IaaS provider's profit, which is determined by the revenue obtained through supplying the VMs and the energy cost for maintaining the active servers. By exploring the relationship between the optimal capacity and price, we simplify the original optimization problem into the a convex problem with respect to the price, and then we derive the expressions of the optimal solutions. Finally, the numerical results illustrate the efficacy of our proposed joint pricing and capacity planning scheme.","PeriodicalId":388486,"journal":{"name":"The International Conference on Information Networking 2014 (ICOIN2014)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134257859","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

IASM: An Integrated Attribute Similarity for complex networks generation 复杂网络生成的综合属性相似度

The International Conference on Information Networking 2014 (ICOIN2014) Pub Date : 2014-02-01 DOI: 10.1109/ICOIN.2014.6799745

Bassant E. Youssef, H. Hassan

引用次数: 4