Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets

Bhatnagar, Manav R.; Vishwanath, R.; Bhatnagar, Vaibhav

doi:10.1155/2007/30548

Cited by 19 publications

(10 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The space-time block code (STBC) is used to achieve orthogonality among transmitted symbols of individual antenna of the MIMO system [17] [18]. Alamouti scheme is a full rate OSTBC where two transmits and one receive antenna are used provided the receiver has the knowledge of channel gain.…”

Section: System Modelmentioning

confidence: 99%

Recovery of Image through Alamouti Channel with Incorporation of RSA Algorithm

Majumder¹,

Ruhin²,

Hashem³

et al. 2016

JCC

View full text Add to dashboard Cite

In many applications, it is necessary to transmit images at a remote station, where wired Internet service is not available. In this case, wireless local loop (WLL) can help in making wireless link between one end node of the internet and remote service center. In such link, the communication is heavily affected by large and small scale fading; hence the received signal experiences huge distortion in case of forward error correction. Otherwise, huge service delay arises due to frequent negative acknowledgements. To combat the situation, we can choose Alamouti channel of full rate and fully orthogonal space-time block code (OSTBC). Our aim is to transmit images through Alamouti channel and to observe the quality of the recovered image, in context of bit error rate (BER). We have also observed the impact of fading and additive white Gaussian noise (AWGN) on the image without application of error correction or detection technique of channel coding. To ensure security, we apply the RSA algorithm on each pixel prior transmitting and decrypt them at the receiving end, where we found no impairment from the algorithm. Finally, we observe that the relative performance of the system changes digital modulation schemes.

show abstract

Section: System Modelmentioning

confidence: 99%

Recovery of Image through Alamouti Channel with Incorporation of RSA Algorithm

Majumder¹,

Ruhin²,

Hashem³

et al. 2016

JCC

View full text Add to dashboard Cite

show abstract

“…The proposed DD cooperative system with one sourcedestination pair and one relay, achieves the maximum possible diversity of two. In paper E, we give a more comprehensive presentation of the results we presented in paper [104]. We consider a decode-and-forward based cooperative system for implementation of double-differential modulation over Nakagami-m channels in Paper E. It is assumed that ideal CRC bits are added in each message such that the relay can know whether it has decoded the data correctly or not.…”

Section: Contribution Of the Included Papersmentioning

confidence: 99%

Precoded Differential Orthogonal Space-Time Modulation Over Correlated Ricean MIMO Channels

Bhatnagar

Hjørungnes

Song

2008

IEEE J. Sel. Top. Signal Process.

Self Cite

View full text Add to dashboard Cite

“…Multiple-input multiple-output (MIMO) wireless communication systems have received a lot of attention nowadays, because of its improved capacity, better diversity gain, and increased coverage area as compared to the conventional single antenna based communication systems [15], [16]. The virtues of the MIMO technology have encouraged the researchers to incorporate multiple transmit and receive antennas in the SR LMS communication systems [7], [11], [17].…”

Section: Introductionmentioning

confidence: 99%

OSTBC Transmission in Shadowed-Rician Land Mobile Satellite Links

Arti¹,

Jindal

2016

IEEE Trans. Veh. Technol.

View full text Add to dashboard Cite

In this paper, we study the transmission of orthogonal space time block codes (OSTBC) over Shadowed-Rician (SR) Land Mobile Satellite (LMS) link. Specifically, we derive the symbol error rate (SER), diversity order, and the average capacity of the OSTBC transmission based scheme over the SR fading LMS communication systems. First, we consider the independent and identically distributed SR fading channels and derive the expressions of moment generating function (MGF) in terms of the Meijer-G function. By substituting the Meijer-G function in terms of hypergeometric function and then by considering the asymptotic approximation of hypergeometric function, the analytical diversity order of the scheme is obtained. The ergodic capacity of the scheme is derived by using MGF based approach. The effect of elevation angles over the SER performance of the scheme is analyzed and it is observed that the performance of the system is improved with increasing values of elevation angles. Next, we consider the OSTBC transmission over correlated SR fading channels and derive the expressions of MGF, SER, diversity order, and average capacity of the considered set-up. In particular, it is demonstrated in the paper that by employing an additional transmit antenna at the satellite along with Alamouti code, the error rate of the LMS communication system can be significantly improved. It is also indicated that the correlation does not have any impact on diversity order of the system, but it adversely affect the capacity of the system. Index Terms-Orthogonal space time block code (OSTBC), Alamouti code, fading channels, land mobile satellite (LMS), multiple-input multiple-output (MIMO), M -ary phase-shift keying (M -PSK).0018-9545 (c)

show abstract

Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets

Cited by 19 publications

References 9 publications

Recovery of Image through Alamouti Channel with Incorporation of RSA Algorithm

Recovery of Image through Alamouti Channel with Incorporation of RSA Algorithm

Precoded Differential Orthogonal Space-Time Modulation Over Correlated Ricean MIMO Channels

OSTBC Transmission in Shadowed-Rician Land Mobile Satellite Links

Contact Info

Product

Resources

About