Browsing Fakülteler by Author "Panayırcı, Erdal"
Now showing items 81-99 of 99
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Relay-Aided Secure Broadcasting for VLC
Arafa, Ahmed; Panayırcı, Erdal; Poor, H. Vincent (IEEE, 2018)A visible light communication (VLC) broadcast channel is considered in which a transmitter communicates with two receivers in the presence of an external eavesdropper. Trusted cooperative half-duplex relays are deployed ... -
A Reliable Successive Relaying Protocol
Başar, Ertuğrul; Aygölü, Ümit; Panayırcı, Erdal; Poor, H. Vincent (IEEE-INST Electrical Electronics Engineers Inc, 2014)Successive relaying has recently emerged as an effective technique for cooperative networks and provides significant improvements in bandwidth efficiency over traditional relaying techniques ;however to achieve full-diversity ... -
Reliable two-path successive relaying
Emerging two-path successive relaying protocols generally rely on error-free source-relay channels and/or interference-free inter-relay channels to achieve high-rate and full-diversity. In this paper by removing these ... -
Semiblind joint channel estimation and equalization for OFDM systems in rapidly varying channels
We describe a new joint iterative channel estimation and equalization algorithm for joint channel estimation and data detection for orthogonal frequency division multiplexing (OFDM) systems in the presence of frequency ... -
Space-Time Block Coding for Spatial Modulation
Başar, Ertuğrul; Aygölü, Ümit; Panayırcı, Erdal; Poor, H. Vincent (IEEE, 2010)Space-time block coded spatial modulation (STBC-SM) which employs space-time block coding (STBC) for spatial modulation (SM) is proposed as a new multiple-input multiple-output (MIMO) transmission scheme. In the STBC-SM ... -
Sparse Channel Estimation and Equalization for OFDM-Based Underwater Cooperative Systemsw with Amplify-and-Forward Relaying
Panayırcı, Erdal; Şenol, Habib; Uysal, Murat; Poor, H. Vincent (IEEE-INST Electrical Electronics Engineers Inc, 2016)This paper is concerned with a challenging problem of channel estimation and equalization for amplify-and-forward cooperative relay based orthogonal frequency division multi-plexing (OFDM) systems in sparse underwater ... -
Sparse Channel Estimation for OFDM-Based Underwater Acoustic Systems in Rician Fading With a New OMP-MAP Algorithm
Panayırcı, Erdal; Altabbaa, Mhd Tahssin; Uysal, Murat; Poor, H. Vincent (IEEE, 2019)In this paper a new channel estimation algorithm is proposed that exploits channel sparsity in the time domain for an orthogonal frequency division multiplexing (OFDM)-based underwater acoustical (UWA) communications systems ... -
Sparse channel estimation for OFDM-based underwater cooperative systems with amplify-and-forward relaying
Şenol, Habib; Panayırcı, Erdal; Uysal, Murat (IEEE Computer Society, 2014)This paper is concerned with a challenging problem of channel estimation for amplify-and-forward cooperative relay based orthogonal frequency division multiplexing (OFDM) systems in the presence of sparse underwater acoustic ... -
Sparse Channel Estimation for Space-Time Block Coded OFDM-Based Underwater Acoustic Channels
Altabbaa, Mhd Tahssin; Öğrenci, Arif Selçuk; Panayırcı, Erdal; Poor, H. Vincent (Institute of Electrical and Electronics Engineers Inc., 2018)Communication over acoustic signals underwater results in multi-scale multi-lag channels due to multipath propagation. Hence a robust channel estimation technique has to be present at the receiver. In this paper assuming ... -
Sparse Channel Estimation with Clipping Noise in DCO-OFDM Based VLC Systems
Bektaş, Ekin Başak; Panayırcı, Erdal (IEEE, 2020)In this paper a new computationally efficient and high performance channel estimation algorithm is proposed for DC-biased optical OFDM (DCO-OFDM) systems in indoor visible light communications (VLC) in the presence of a ... -
Sparse underwater acoustic channel estimation in colored Gaussian noise [Renkli? Gauss gürültülü seyrek sualtı akusti?k kanalların kestirimi]
Erdoğan, Mustafa; Şenol, Habib; Panayırcı, Erdal; Uysal, Murat (IEEE, 2012)Cooperative underwater acoustic communication systems come into prominence in recent years. Since underwater channels are sparse and additive noise entering the system is colored Gaussian noise. Therefore it is very difficult ... -
Special issue on broadband mobile communications at very high speeds
Fan, Pingzhi; Panayırcı, Erdal; Poor, H. Vincent; Mathiopoulos, P. Takis (Springer International Publishing Ag, 2012)[Abstract Not Available] -
Spline Based Channel Estimation for STBC-SM Systems over Fast-Varying Rician Fading Channels
Acar, Yusuf; Doğan, Hakan; Panayırcı, Erdal (IEEE, 2015)In the STBC-SM systems the information is carried both by STBC symbols and indices of the transmit antennas from which these symbols are transmitted. Channel estimation is a critical process at the receiver during the ... -
Subchannel Allocation and Power Control for Uplink Femtocell Radio Networks with Imperfect Channel State Information
Altabbaa, Mhd Tahssin; Arsan, Taner; Panayırcı, Erdal (Springer, 2019)Femtocell technology is emerging as a key solution for mobile operators for its advantage in coverage and capacity enhancement along with its cost effectiveness. However, densely and randomly deployed femtocells while ... -
Super-orthogonal trellis-coded spatial modulation
Basar, Ertugrul; Aygölü, Ümit; Panayırcı, Erdal; Poor, H. Vincent (Inst Engineering Technology-IET, 2012)Spatial modulation (SM) which employs the indices of multiple transmit antennas to transmit information in addition to the conventional M-ary signal constellations is a novel transmission technique that has been proposed ... -
Synchronization in Wireless Communications
Steendam, Heidi; Ghogho, Mounir; Luise, Marco; Panayırcı, Erdal; Serpedin, Erchin (Hindawi Publishing Corporation, 2009)[Abstract Not Available] -
Trellis coding for spatial modulation [Uzaysal modulasyon i?çi?n kafes kodlama]
In this study by combining trellis coding with spatial modulation (SM) a new multiple-input multiple output (MIMO) communication scheme called trellis coded spatial modulation (TC-SM) is proposed. For uncorrelated Rayleigh ... -
VLC Sparse Channel Estimation in the Presence of Non-Gaussian Clipping Noise
Yeşilkaya, Anıl; Alsan, Hüseyin Fuat; Panayırcı, Erdal (IEEE, 2016)In this paper a new computationally efficient and high performance channel estimation algorithm is proposed for the indoor visible light communication (VLC) sparse channels in the presence of a clipping noise. The clipping ... -
VLC Sparse Channel Estimation in the Presence of Non-Gaussian Clipping Noise [Gauss Olmayan Kırpma Gürültüsü Altında VLC Seyrek Kanal Kestirimi]
Yeşilkaya, Anıl; Alsan, Hüseyin Fuat; Panayırcı, Erdal (Institute of Electrical and Electronics Engineers Inc., 2016)In this paper a new computationally efficient and high performance channel estimation algorithm is proposed for the indoor visible light communication (VLC) sparse channels in the presence of a clipping noise. The clipping ...