Search Results - "Khan, Md. Zafar Ali"

How Many Cognitive Channels Should the Primary User Share? by Patel, Aaqib, Khan, Md. Zafar Ali, Merchant, S. N., Desai, U. B., Hanzo, Lajos

“…Despite almost two decades of research, many challenges remain unresolved in Cognitive Radio scenarios, especially the fundamental problem of reliable spectrum…”
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Single-symbol maximum likelihood decodable linear STBCs by Khan, Md.Z.A., Rajan, B.S.

“…Space-time block codes (STBCs) from orthogonal designs (ODs) and coordinate interleaved orthogonal designs (CIOD) have been attracting wider attention due to…”
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Secondary User Satisfying Primary User Rate Constraint for Cognitive Radio by Patel, Aaqib, Merchant, S. N., Ali Khan, Md. Zafar, Desai, U. B.

“…In this paper, we propose a generalized model for underlay based cognitive radio (CR) that is based on the information theoretic interference channel model…”
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Optimal Chi-squared Detector of Replay Attacks on Cyber-Physical Systems by Patel, Aaqib, Khan, Md. Zafar Ali

“…Cyber-physical systems are prone to various security threats. Systems must be equipped with robust detection strategies to ensure timely detection of attacks…”
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Low Cost Wavelength Specific Water Quality Measurement Technique by Nayeem, Huzaifa, Syed, Azeemuddin, Khan, Md. Zafar Ali

“…Optical sensing for chemical analysis is emerging as it provides advantages such as good sensitivity, selectivity, electromagnetic immunity, etc. This work…”
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A generalization of some existence results on orthogonal designs for STBCs by Khan, Z.A., Rajan, B.S.

“…It is shown that two theorems regarding the existence of generalized linear processing orthogonal designs (GLPOD) are valid under more general conditions than…”
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Fast Computation of Partial DFT for Comb Spectrum Evaluation by Khan, Zafar Ali, Qadeer, Shaik A., Khan, Yusuf

“…A comb spectrum evaluation problem arises in the channel estimation of pilot symbol-assisted modulation (PSAM) systems and also in the (de) modulation of…”
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On bounds and capacity of Cognitive Multiple Access Z-Interference Channel by Patel, Aaqib, Reategui, Fernando, Imran, Muhammad Ali, Ali Khan, Md Zafar, Merchant, S. N., Desai, U. B., Tafazolli, Raheem

“…In this paper, we introduce the Cognitive Multiple Access Z Interference Channel (CMAZIC) where there are two secondary user (SU) transmitters and one SU…”
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Area Efficient High Speed Architecture of Bruun's FFT for Software Defined Radio by Mittal, S., Khan, Z.A., Srinivas, M.B.

“…Fast Fourier Transform (FFT) is one of the most basic and essential operation performed in software defined radio (SDR). Therefore designing a universal,…”
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Low-complexity ML channel estimation schemes for OFDM by Zafar Ali Khan

“…Orthogonal frequency division multiplexing (OFDM) with cyclic prefix allows for low-complexity frequency domain equalization of frequency selective fading…”
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Capacity and Spectral Efficiency of Interference Avoiding Cognitive Radio with Imperfect Detection by Patel, Aaqib, Khan, Md. Zafar Ali, Merchant, S. N, Desai, U. B

“…In this paper, we consider a model in which the unlicensed or the Secondary User (SU) equipped with a Cognitive Radio (CR) (together referred to as CR)…”
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Single-Symbol Maximum Likelihood Decodable Linear STBCs by Khan, Md. Zafar ALi, Rajan, B. Sundar

“…Space-Time block codes (STBC) from Orthogonal Designs (OD) and Co-ordinate Interleaved Orthogonal Designs (CIOD) have been attracting wider attention due to…”
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On the suitability of Bruun's FFT algorithm for software defined radio by Mittal, S., Khan, M., Srinivas, M.B.

“…Fast Fourier Transform (FFT) is the most basic and essential part of Software Defined Radio (SDR). Therefore, designing regular, reconfigurable, modular and…”
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On the maximal rate of square quasi-orthogonal designs by Zafar Ali Khan, Md, Sundar Rajan, B.

“…In this paper we show that the maximal rates of square quasiorthogonal designs (QOD) is upper bounded by 2a/2 a for N=2 a transmit antennas. We also show that…”
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