Filters








8,971 Hits in 5.2 sec

Space-Time Coded Spatial Modulated Physical Layer Network Coding for Two-Way Relaying [article]

K.G. Unnikrishnan, B. Sundar Rajan
2014 arXiv   pre-print
Using the spatial modulation approach, where only one transmit antenna is active at a time, we propose two transmission schemes for two-way relay channel using physical layer network coding with space  ...  In the first transmission scheme, two antennas are used only at the relay, Adaptive Network Coding (ANC) is employed at the relay and the relay transmits a CIOD Space Time Block Code (STBC).  ...  ACKNOWLEDGMENT The authors would like to thank Vijayvaradharaj for his help and useful discussion on the subject of this paper.  ... 
arXiv:1401.0877v1 fatcat:eeuirntuh5grflzreafo3j6kxy

Cross-Layer Design for Two-Way Relaying Networks with Multiple Antennas

zhuo wu, Lei Wang
2015 Proceedings of the 8th International Conference on Mobile Multimedia Communications  
The proposed cross-layer design considers adaptive modulation (AM) and space-time block coding (STBC) at the physical layer with an automatic repeat request (ARQ) protocol at the data link layer, in order  ...  In this paper, we developed a cross-layer design for two-way relaying (TWR) networks with multiple antennas, where two single antenna source nodes exchange information with the aid of one multiple antenna  ...  The proposed cross-layer design employed adaptive modulation and space-time block coding at the physical layer with an automatic repeat request protocol at the data link layer, in order to maximize the  ... 
doi:10.4108/icst.mobimedia.2015.259040 dblp:journals/eetcogcom/WuW15 fatcat:22tbhecrcjgvhbjwysh2azmgty

Building blocks of cooperative relaying in wireless systems

W. Elmenreich, N. Marchenko, H. Adam, C. Hofbauer, G. Brandner, C. Bettstetter, M. Huemer
2008 e & i Elektrotechnik und Informationstechnik  
This survey gives an introduction and overview of promising methods that can be used for cooperative relaying: relay selection protocols, cooperative channel and network coding, and physical layer aspects  ...  such as cooperative modulation.  ...  Cooperation at the physical layer Designing the physical layer of cooperative relaying systems depends substantially on the way and the number of relays which will support the transmission between source  ... 
doi:10.1007/s00502-008-0571-7 fatcat:uyq43jb4ffgwzmnsz3nvs5p3ku

A Practical Physical-Layer Network Coding with Spatial Modulation in Two-Way Relay Networks

Bang Chul Jung, Jae Sook Yoo, Woongsup Lee
2017 Computer journal  
We propose a maximum-likelihood (ML) signal detection technique for the physical-layer network coded packet with SM for the relay node.  ...  Two source nodes are assumed to transmit data with spatial modulation (SM) and the relay node is assumed to try to decode the network-coded packet (via bit-wise exclusive OR operation) of the two packets  ...  ACKNOWLEDGEMENTS This research was supported by Defense Acquisition Program Administration and Agency for Defense Development under Implementation Technology on High Reliability Wireless Networks for  ... 
doi:10.1093/comjnl/bxx065 fatcat:dtknjdnzpncklagffiavunco3y

Cooperative Wireless Communications and Physical Layer Security: State-of-the-Art

Vandana Milind Rohokale, Neeli Rashmi Prasad, Ramjee Prasad
2012 Journal of Cyber Security and Mobility  
Physical layer security (PLS) is the imminent security guarantee for the cooperative communication.  ...  The sound finally reached the bus driver who stopped the bus, and the employee could catch it in time.  ...  The work in [10] revisits the techniques for combating the time and frequency asynchronism in one-way as well as two-way cooperative communicating networks.  ... 
doi:10.13052/jcsm2245-1439.1235 fatcat:tb7kdqbyrfdaxghm24ytvb6vza

Cooperative Protocols Design for Wireless Ad-Hoc Networks with Multi-hop Routing

Yuxia Lin, Joo-Han Song, Vincent W. S. Wong
2009 Journal on spesial topics in mobile networks and applications  
In this paper, we propose a complete system framework for wireless ad-hoc networks utilizing two different cooperative relaying techniques at the physical layer: the repetition coding and the space-time  ...  In the data link layer, two medium access control protocols are proposed to accommodate the corresponding physical layer cooperative diversity schemes.  ...  In their work, only space-time coding is considered at the physical layer.  ... 
doi:10.1007/s11036-008-0132-7 fatcat:hczzm2reprb3fbbllg6w2ig5dq

Cooperative Protocols Design for Wireless Ad-hoc Networks with Multi-hop Routing

Yuxia Lin, Joo-Han Song, Vincent Wong
2008 Proceedings of the Fifth International ICST Conference on Heterogeneous Networking for Quality Reliability Security and Robustness  
In this paper, we propose a complete system framework for wireless ad-hoc networks utilizing two different cooperative relaying techniques at the physical layer: the repetition coding and the space-time  ...  In the data link layer, two medium access control protocols are proposed to accommodate the corresponding physical layer cooperative diversity schemes.  ...  In their work, only space-time coding is considered at the physical layer.  ... 
doi:10.4108/icst.qshine2008.3933 dblp:conf/qshine/LinSW08 fatcat:3punikzgwrdjpcck66mo3ni2ly

Interference suppression with physical-layer network coding and MIMO for multi-way channels

Flavio S. Bras, Filipe E. Ferreira, Francisco A. Monteiro, Antonio Rodrigues
2014 2014 IEEE Workshop on Signal Processing Systems (SiPS)  
The second strategy achieves interference suppression by successively combining physical layer network coding and MIMO detection (also based on LRA detectors).  ...  The paper assesses a 3 terminals network with a relay for which a TDMA-based scheme would require 6 time-slots, while the proposed strategy for MIMO terminals is able to exchange the information between  ...  Monteiro is grateful to the European COST Action IC1104 for providing funding and learning opportunities in the field of network coding.  ... 
doi:10.1109/sips.2014.6986065 dblp:conf/sips/BrasFMR14 fatcat:7aoiakbsf5edhirt4hfvwk3ofi

A MAC-PHY Cross-Layer Protocol for Ad Hoc Wireless Networks

Feilu Liu, Thanasis Korakis, Zhifeng Tao, Shivendra Panwar
2008 2008 IEEE Wireless Communications and Networking Conference  
INTRODUCTION The initial attempts for developing cooperative communications focused on physical layer schemes [4]- [6] .  ...  Exploiting physical layer combining at the receiver, this simple yet efficient scheme illustrates a new paradigm for realistic crosslayer cooperative protocol design for next generation wireless ad-hoc  ...  The authors would like to thank Zinan Lin for her help with the design and simulation of the PHY layer cooperative schemes.  ... 
doi:10.1109/wcnc.2008.319 dblp:conf/wcnc/LiuKTP08 fatcat:ado3gxtyarfuddgcapncqi2cjy

Application of an Interference Cancellation Detector in a Two-Way Relaying System with Physical Network Coding

Hind Salim Ghazi, Krzysztof Wesołowski
2021 Electronics  
Simulation results performed for two-way relaying with physical network coding reported in this paper confirm the superiority of the proposed detector when compared with the standard physical network coding  ...  Two-way relaying can be implemented using physical network coding. This technique originates from the network coding idea, in which network nodes can perform some mathematical operations.  ...  Figure 2 . 2 General scheme of a two-way relaying system with physical layer network coding. Figure 2 . 2 General scheme of a two-way relaying system with physical layer network coding.  ... 
doi:10.3390/electronics10111294 fatcat:pqmgyt5ybrgopiulkyipdmg5ky

Distributed Coding for OFDM based Cooperative HF Radio Communication System

2019 International journal of recent technology and engineering  
Recent days distributed coding is a variety of channel coding developed in a distributed manner for cooperative wireless networks.  ...  Cooperative communication is different from conventional relay-assisted HF systems and aims to support the challenging expectation of future generation HF communication systems.  ...  Distributed space time coding In cooperative wireless networks, spatial diversity and gain can be achieved by distributed space time coding strategies.  ... 
doi:10.35940/ijrte.b2849.078219 fatcat:bvwmjwcrw5bnvbwt3wbwyvdpom

2018 IndexIEEE Wireless Communications LettersVol. 7

2018 IEEE Wireless Communications Letters  
., +, LWC June 2018 424-427 Two-Way Full-Duplex Spatial Modulation Systems With Wireless Powered AF Relaying.  ...  ., +, LWC Aug. 2018 566-569 Two-Way Full-Duplex Spatial Modulation Systems With Wireless Powered AF Relaying.  ... 
doi:10.1109/lwc.2018.2888676 fatcat:olfvetmkt5bt3c572e5y76b5pm

Low-Complexity Estimation for Spatially Modulated Physical-Layer Network Coding Systems

Huu Minh Nguyen, Xuan Nam Tran, Van Bien Pham, Cong Dinh Nguyen
2018 Wireless Communications and Mobile Computing  
This paper proposes a low-complexity signal estimator at the relay node for a spatially modulated physical-layer network coding system.  ...  In the considered system, the two terminal nodes use spatial modulation to transmit their signals to the relay node during the multiple access phase.  ...  Among various two-way relay schemes, physical-layer network coding (PNC) [1] [2] [3] [4] [5] is known as an effective scheme as it allows the two terminal nodes to transmit at the same time and same  ... 
doi:10.1155/2018/6310519 fatcat:gim4uaqhrfaenoobnhqvtko6hi

On combating the half-duplex constraint in modern cooperative networks: protocols and techniques

Zhiguo Ding, Ioannis Krikidis, Beiyu Rong, John S. Thompson, Chao Wang, Sheng Yang
2012 IEEE wireless communications  
Figure 1b schematically presents the two-way relay channel and the two phases of the physical layer network coding.  ...  TWO-WAY RELAY CHANNELS AND PHYSICAL LAYER NETWORK CODING For the simple scenario with only one sourcedestination pair, the DMT achieved by most existing cooperative transmission protocols is worse than  ...  four techniques reviewed in this article tackle the HDC limitation based on the existing antenna technology and without high-complexity signal processing requirements, and are therefore general low-cost relaying  ... 
doi:10.1109/mwc.2012.6393514 fatcat:ihp6j3kh5vc6vbg5k7zozzlzxq

Implementation and analysis of MIMO system based on Alamouti coding

Vidhya Lavanya Ramachandran
2019 Journal of student research  
The benefit from the multiple antennas arise from the new dimension space. Hence, the spatial dimension comes as a complement to time. MIMO technology also known as space-time 'wirelesses'.  ...  In addition, the MIMO system has the ability to spread in the spatial domain which is combined in such a way that they either create effective multiple parallel spatial data pipes and diversity to improve  ...  Physical layer of wireless network. Figure 1 represent the physical layer of wireless network.  ... 
doi:10.47611/jsr.vi.548 fatcat:6goqdqnj4bctdnqbsf3yh72vme
« Previous Showing results 1 — 15 out of 8,971 results