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2015 IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob)最新文献

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8×8 and 16×16 MIMO V-BLAST systems with iteration reduction scheme 8×8和16×16具有迭代约简方案的MIMO V-BLAST系统
2015 IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob) Pub Date : 2015-08-01 DOI: 10.1109/APWIMOB.2015.7374964
Mohd Hairi Halmi, Muhammad Ahsan Shaikh, K. Ismail
{"title":"8×8 and 16×16 MIMO V-BLAST systems with iteration reduction scheme","authors":"Mohd Hairi Halmi, Muhammad Ahsan Shaikh, K. Ismail","doi":"10.1109/APWIMOB.2015.7374964","DOIUrl":"https://doi.org/10.1109/APWIMOB.2015.7374964","url":null,"abstract":"This paper presents reduced signal decoding complexity 8×8 and 16×16 MIMO V-BLAST systems. The reduction in complexity is achieved by implementing a method that lowers the total the number of iterations needed in the decoding of the V-BLAST signals. Results show that the scheme is able to provide up to 71.06% signal decoding time reduction with minimal symbol-error-rate performance degradation. However, the percentage of complexity reduction lowers as number of antennas employed is increased.","PeriodicalId":433422,"journal":{"name":"2015 IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128129662","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
Impulse-Radio Ultra-Wideband peak power and power spectral density analysis 脉冲无线电超宽带峰值功率和功率谱密度分析
2015 IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob) Pub Date : 2015-08-01 DOI: 10.1109/APWIMOB.2015.7374949
I. Dotlic, Huan-Bang Li, R. Miura
{"title":"Impulse-Radio Ultra-Wideband peak power and power spectral density analysis","authors":"I. Dotlic, Huan-Bang Li, R. Miura","doi":"10.1109/APWIMOB.2015.7374949","DOIUrl":"https://doi.org/10.1109/APWIMOB.2015.7374949","url":null,"abstract":"The paper presents methodology for analyzing compliance of Impulse Radio Ultra-Wideband (IR-UWB) communications systems with regulatory limits specified by US Federal Communications Commission (FCC). First, discrete spectral component that reduce Effective Isotropic Radiated Power (EIRP) in IR-UWB spectrum are analyzed in an exemplary IRUWB system. After that, a minimal Pulse Repetition Frequency (PRF) in an IR-UWB system at which EIRP spectrum level does not have to be reduced in order to meet peek power regulatory constrain is derived for two different modulations; namely, On-Off Keying (OOK) and Binary Phase Shift Keying (BPSK).","PeriodicalId":433422,"journal":{"name":"2015 IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob)","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125632525","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
Impact of antenna separation on the link correlation of MIMO HetNet LTE-advanced networks 天线分离对MIMO HetNet LTE-advanced网络链路相关性的影响
2015 IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob) Pub Date : 2015-08-01 DOI: 10.1109/APWIMOB.2015.7374940
Z. Mansor, E. Mellios, J. McGeehan, G. Hilton, A. Nix
{"title":"Impact of antenna separation on the link correlation of MIMO HetNet LTE-advanced networks","authors":"Z. Mansor, E. Mellios, J. McGeehan, G. Hilton, A. Nix","doi":"10.1109/APWIMOB.2015.7374940","DOIUrl":"https://doi.org/10.1109/APWIMOB.2015.7374940","url":null,"abstract":"Since the angular spread is related to the propagation environment condition, MIMO channel capacity can be improved by increasing the antenna spacing. This paper evaluates the performance of link correlation for 2×2 MIMO deployments using horizontal and vertical UE and BS array configurations with various antenna separations at the UE and BS. The investigation makes use of measured 3D radiation patterns for the BS and UE antennas. This data is combined with state-of-the-art 3D ray-tracing predictions for a large number of macro and pico-cells locations. Results revealed that in order to achieve a correlation always in the range 0.25 to 0.75, the minimum required antenna spacing was around 0.5λ to 2λ for the UE, 2λ for the Pico-eNB and 10 λ for the Macro-eNB. MIMO performance (in terms of capacity) was seen to increase in pico-cells as a result of the higher angular spreads at the base station.","PeriodicalId":433422,"journal":{"name":"2015 IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129833022","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
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