Experimental Ber Performance Evaluation of OFDM and Single Carrier Transmissions in Real-Time Wimax Radio

Kaya,; Türk, Kadir; Baltaci, Yusuf

doi:10.1109/pimrc.2007.4394074

Cited by 7 publications

(8 citation statements)

References 14 publications

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“…The presented results covers only the single carrier transmission around 3.5 GHz transmissions, and also considers only low power applications (the transmit power is limited at 22 dBm). The work presented by authors in [19] using the same approach compares the experimentally evaluated BER performances of OFDM and Single Carrier Systems, where an OFDM system requires much higher power than a SC system. Both work, [19] and this paper, use the single packet structure, as in Figure 2, for all modulation types.…”

Section: Discussionmentioning

confidence: 99%

“…The work presented by authors in [19] using the same approach compares the experimentally evaluated BER performances of OFDM and Single Carrier Systems, where an OFDM system requires much higher power than a SC system. Both work, [19] and this paper, use the single packet structure, as in Figure 2, for all modulation types. Therefore, the real-time BER performances of every modulation type are obtained using the same channel profile.…”

Section: Discussionmentioning

confidence: 99%

“…The motivation of this paper lies here that without involving with any deduction and implementation limitations a BER performance evaluation of equalizations for SC receivers from a real system is aimed. Some Parts of this work have been published in [19], where the BER performance comparisons of OFDM and Single Carrier systems in a real-time WiMax radio for outdoor applications are subjected.…”

Section: Introductionmentioning

confidence: 99%

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Experimental BER Performance Evolution of Equalizations and Matched Filter Bounds for Single-Carrier WiMax Radio in 3.5 GHz

Türk

Kaya

2008

2008 IEEE Wireless Communications and Networking Conference

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This paper presents an experimental evaluation of biterror-rate (BER) performances for adaptive training algorithms and obtaining Matched Filter Bound in real-time WiMax (3.5GHz) radio channels. Without involving with any modified or improved versions, two conventional adaptive equalizer training methods, the least mean squares (LMS) and recursive least squares (RLS), are implemented in a C code running over sampled received sequence and their performances are compared in different modulation techniques before and after coding. In experimental trails the obtained channel impulse responses were generally non-minimum phase and the obtained BER performance of receiver using LMS training has been quite close to whom using RLS particularly after coding, in real-time channel conditions.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Experimental BER Performance Evolution of Equalizations and Matched Filter Bounds for Single-Carrier WiMax Radio in 3.5 GHz

Türk

Kaya

2008

2008 IEEE Wireless Communications and Networking Conference

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“…Bu problemi çözmek için en kolay yöntem MC sistemlerdir, ancak bu sistemlerin gezgin haberleúmede ortaya çÕkan kanal takibi problemini çözme yetenekleri ve bant verimlilikleri düúük, verici yükselteçleri ise yüksek maliyetlidir [3]. Bu …”

Section: Giriúunclassified

Experimental evaluation of carrier frequency offset tracking performance in single carrier WiMAX (IEEE 802.16–2004) radio

Ilkhan

Canbolat

Özen

2010

2010 IEEE 18th Signal Processing and Communications Applications Conference

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ÖzetçeBu bildiride, gerçek zaman WiMAX (IEEE 802.16-2004) radyo kanallarÕnda klasik uyarlanÕr denkleútirme algoritmalarÕnÕn taúÕyÕcÕ frekans kaymasÕnÕ (carrier frequency offset, CFO) izleme baúarÕmlarÕ teorik ve deneysel olarak de÷erlendirilmektedir. Belirli bir kanal profilini kullanma yerine bu çalÕúma 3.5 GHz WiMAX radyo çalÕúma bölgesinde frekans seçici Rayleigh sönümlemeli gerçek kanallar üzerine odaklanmaktadÕr. ÇalÕúmada, en çok kullanÕlan denkleútirme teknikleri; en küçük ortalama kareler karar geri beslemeli denkleútirici (Least Mean Squares Decision Feedback Equalizer, LMS-DFE) ve öz yinelemeli en küçük kareler DFE (Recursive Least Squares, RLS-DFE) algoritmalarÕnÕn bit hata oranÕ (Bit Error Rate, BER) baúarÕmlarÕ incelenmektedir. Benzetim sonuçlarÕ teorik ve deneysel baúarÕmlarÕn birbirleriyle son derece uyumlu ve gayet tatmin edici oldu÷unu göstermektedir. Abstract Theoretical and experimental carrier frequency offset (CFO) tracking performances of conventional adaptive training algorithms have been evaluated in real-time WiMAX (IEEE 802.16-2004) radio channels in this paper. Instead of using a certain type of channel profile this study concentrates on true frequency selective Rayleigh fading channels in WiMAX radio environment around 3.5 GHz. Bit Error Rate (BER) performances of the most commonly used conventional equalization techniques; Least Mean Squares Decision Feedback Equalizer (LMS-DFE) and Recursive Least Squares DFE (RLS-DFE) algorithms are investigated in study. The simulation results have demonstrated that the theoretical and experimental performances are compatible with each other and extremely satisfying.

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“…The BER performance evaluation and analysis of OFDM systems therefore has invited research in several dimensions using a variety of approaches to analyze the impact of system parameters, various modulation type, different probabilistic fading models, PAPR reduction schemes, frequency offset, phase noise and several others [5,6]. Deriving closed form expressions for OFDM BER is commonly approached in several works [7,8].…”

Section: Introductionmentioning

confidence: 99%

HMM modeling for OFDM–BER performance

Ranjan

Mitra

2015

AEU - International Journal of Electronics and Communications

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Experimental Ber Performance Evaluation of OFDM and Single Carrier Transmissions in Real-Time Wimax Radio

Cited by 7 publications

References 14 publications

Experimental BER Performance Evolution of Equalizations and Matched Filter Bounds for Single-Carrier WiMax Radio in 3.5 GHz

Experimental BER Performance Evolution of Equalizations and Matched Filter Bounds for Single-Carrier WiMax Radio in 3.5 GHz

Experimental evaluation of carrier frequency offset tracking performance in single carrier WiMAX (IEEE 802.16–2004) radio

HMM modeling for OFDM–BER performance

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Experimental Ber Performance Evaluation of OFDM and Single Carrier Transmissions in Real-Time Wimax Radio

Cited by 7 publications

References 14 publications

Experimental BER Performance Evolution of Equalizations and Matched Filter Bounds for Single-Carrier WiMax Radio in 3.5 GHz

Experimental BER Performance Evolution of Equalizations and Matched Filter Bounds for Single-Carrier WiMax Radio in 3.5 GHz

Experimental evaluation of carrier frequency offset tracking performance in single carrier WiMAX (IEEE 802.16&#x2013;2004) radio

HMM modeling for OFDM–BER performance

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Experimental evaluation of carrier frequency offset tracking performance in single carrier WiMAX (IEEE 802.16–2004) radio