Gharan, Shahab Oveis, Bayesteh, Alireza, Khandani, Amir K.
This paper investigates the benefits of Amplify-and-Forward (AF) relaying in the setup of multi-antenna wireless networks. The concept of Random Sequential (RS) relaying is previously introduced in...
Multiplexing Gain of Amplify-Forward Relaying in Wireless Multi-Antenna Relay Networks (2009)
Gharan, Shahab Oveis, Khandani, Amir K.
This paper studies the general multi-antenna multiple-relay network. Every two nodes of the network are either connected together through a Rayleigh fading channel or disconnected. We study the...
Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
Abstract—This paper studies the setup of a multiple-relay network in which K half-duplex multiple-antenna relays assist in the transmission between a/several multiple-antenna source(s) and a...
Path Diversity over Packet Switched Networks: Performance Analysis and Rate Allocation (2009)
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh, Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
Path diversity works by setting up multiple parallel connections between the end points using the topological path redundancy of the network. In this paper, Forward Error Correction (FEC) is applied...
Seyed Saeed, Changiz Rezaei, Shahab Oveis Gharan, Amir K. Kh
Abstract — We consider the problem of cooperative communication for a network composed of two half-duplex parallel relays with additive white Gaussian noise. Two protocols, i.e., Simultaneous and...
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh, Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
An erasure channel with a fixed alphabet size q, where q ≫ 1, is studied. It is proved that over any erasure channel (with or without memory), Maximum Distance Separable (MDS) codes achieve the...
On diversitymultiplexing tradeoff in multiple-antennas multiple-relay networks (2009)
Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
Abstract—This paper studies the setup of a multiple-relay network in which K half-duplex multiple-antenna relays assist in the transmission between a/several multiple-antenna source(s) and a...
1 Coding over an Erasure Channel with a Large Alphabet Size (2009)
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
Abstract—An erasure channel with a fixed alphabet size q, where q ≫ 1, is studied. It is proved that over any erasure channel (with or without memory), Maximum Distance Separable (MDS) codes...
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh, Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
An erasure channel with a fixed alphabet size q, where q ≫ 1, is studied. It is proved that over any erasure channel (with or without memory), Maximum Distance Separable (MDS) codes achieve the...
Optimal Coding for the Erasure Channel with 1 Arbitrary Alphabet Size (2009)
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
An erasure channel with an arbitrary alphabet size q is studied. It is proved that over any erasure channel (with or without memory), Maximum Distance Separable (MDS) codes achieve the minimum...
Path Diversity over Packet Switched Networks: Performance Analysis and Rate Allocation (2009)
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
Abstract—Path diversity works by setting up multiple parallel connections between the end points using the topological path redundancy of the network. In this paper, Forward Error Correction (FEC)...
Optimum diversity-multiplexing tradeoff in the multiple relays network (2009)
Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
This paper studies the setup of a multiple-relay network in which K half-duplex multiple-antenna relays assist in the transmission between a/several multiple-antenna transmitter(s) and a...
Seyed Saeed, Changiz Rezaei, Shahab Oveis Gharan, Amir K. Kh
This study investigates the problem of communication for a network composed of two half-duplex parallel relays with additive white Gaussian noise. Two protocols, i.e., Simultaneous and Successive...
1 the Internet using MDS Codes (2009)
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh, Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
Path diversity works by setting up multiple parallel connections between the end points using the topological path redundancy of the network. In this paper, Forward Error Correction (FEC) is applied...
A New Achievable Rate for the Gaussian Parallel Relay Channel (2009)
Seyed Saeed, Changiz Rezaei, Shahab Oveis Gharan, Amir K. Kh
Schein and Gallager introduced the Gaussian parallel relay channel in 2000. They proposed the Amplify-and-Forward (AF) and the Decode-and-Forward (DF) strategies for this channel. For a long time,...
Real Interference Alignment: Exploiting the Potential of Single Antenna Systems (2009)
Motahari, Abolfazl Seyed, Gharan, Shahab Oveis, Maddah-Ali, Mohammad-Ali, Khandani, Amir Keyvan
In this paper, the available spatial Degrees-Of-Freedoms (DOF) in single antenna systems is exploited. A new coding scheme is proposed in which several data streams having fractional multiplexing...
Real Interference Alignment with Real Numbers (2009)
Motahari, Abolfazl S., Gharan, Shahab Oveis, Khandani, Amir K.
A novel coding scheme applicable in networks with single antenna nodes is proposed. This scheme converts a single antenna system to an equivalent Multiple Input Multiple Output (MIMO) system with...
A New Achievable Rate for the Gaussian Parallel Relay Channel (2009)
Saeed, Seyed, Rezaei, Changiz, Gharan, Shahab Oveis, Khandani, Amir K.
Schein and Gallager introduced the Gaussian parallel relay channel in 2000. They proposed the Amplify-and-Forward (AF) and the Decode-and-Forward (DF) strategies for this channel. For a long time,...
Rezaei, Seyed Saeed Changiz, Gharan, Shahab Oveis, Khandani, Amir K.
This study investigates the problem of communication for a network composed of two half-duplex parallel relays with additive white Gaussian noise. Two protocols, i.e., \emph{Simultaneous} and...
Optimal Coding for the Erasure Channel with Arbitrary Alphabet Size (2008)
Fashandi, Shervan, Gharan, Shahab Oveis, Khandani, Amir K.
An erasure channel with a fixed alphabet size $q$, where $q \gg 1$, is studied. It is proved that over any erasure channel (with or without memory), Maximum Distance Separable (MDS) codes achieve the...
Path Diversity over Packet Switched Networks: Performance Analysis and Rate Allocation (2008)
Fashandi, Shervan, Gharan, Shahab Oveis, Khandani, Amir K.
Path diversity works by setting up multiple parallel connections between the end points using the topological path redundancy of the network. In this paper, \textit{Forward Error Correction} (FEC) is...
Asymptotic Analysis of Amplify and Forward Relaying in a Parallel MIMO Relay Network (2008)
Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
This paper considers the setup of a parallel MIMO relay network in which K relays, each equipped with N antennas, assist the transmitter and the receiver, each equipped with M antennas, in the...
On the Diversity-Multiplexing Tradeoff in Multiple-Relay Network (2008)
Gharan, Shahab Oveis, Bayesteh, Alireza, Khandani, Amir K.
This paper studies the setup of a multiple-relay network in which $K$ half-duplex multiple-antenna relays assist in the transmission between a/several multiple-antenna transmitter(s) and a...
Channel Code Design with Causal Side Information at the Encoder (2008)
Hamid Farmanbar, Shahab Oveis Gharan, Amir K. Kh
Abstract — The problem of channel code design for the M-ary input AWGN channel with additive discrete interference where the sequence of i.i.d. interference symbols is known causally at the encoder...
Path Diversity over the Internet: Performance Analysis and Rate Allocation (2008)
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
Abstract—Path diversity works by setting up multiple parallel connections between the end points using the topological path redundancy of the network. In this paper, Forward Error Correction (FEC)...
Simultaneous Relaying versus Successive Relaying (2008)
Seyed Saeed, Changiz Rezaei, Shahab Oveis Gharan, Amir Keyvan Kh, Seyed Saeed, Changiz Rezaei, ...
This study investigates the problem of communication for a network composed of two half-duplex parallel relays with additive white Gaussian noise. Two protocols, i.e., Simultaneous and Successive...
Shahab Oveis Gharan, Alireza Bayesteh, Amir Keyvan Kh, Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
This paper studies the setup of a multiple-relay network in which K half-duplex multiple-antenna relays assist in the transmission between a/several multiple-antenna transmitter(s) and a...
and Amir Keyvan Khandani 2008A New Achievable Rate for the Gaussian Parallel Relay Channel (2008)
Seyed Saeed, Changiz Rezaei, Shahab Oveis Gharan, Amir Keyvan Kh, Seyed Saeed, Changiz Rezaei, ...
Schein and Gallager introduced the Gaussian parallel relay channel in 2000. They proposed the Amplify-and-Forward (AF) and the Decode-and-Forward (DF) strategies for this channel. For a long time,...
Simultaneous Relaying versus Successive Relaying (2008)
Seyed Saeed, Changiz Rezaei, Shahab Oveis Gharan, Amir Keyvan Kh, Seyed Saeed, Changiz Rezaei, ...
This paper deals with the problem of cooperative communication for a network with multiple halfduplex relays. Two half-duplex relaying protocols, i.e. simultaneous and successive relaying protocols,...
and Amir Keyvan Khandani 2008A New Achievable Rate for the Gaussian Parallel Relay Channel (2008)
Seyed Saeed, Changiz Rezaei, Shahab Oveis Gharan, Amir Keyvan Kh, Seyed Saeed, Changiz Rezaei, ...
Schein and Gallager introduced the full-duplex Gaussian parallel relay channel in 2000. They proposed the Amplify-and-Forward (AF) and the Decode-and-Forward (DF) strategies for this channel. For a...
Channel Code Design with Causal Side Information at the Encoder (2007)
Farmanbar, Hamid, Gharan, Shahab Oveis, Khandani, Amir Keyvan
The problem of channel code design for the $M$-ary input AWGN channel with additive $Q$-ary interference where the sequence of i.i.d. interference symbols is known causally at the encoder is...
Optimum Diversity-Multiplexing Tradeoff in the Multiple Relays Network (2007)
Gharan, Shahab Oveis, Bayesteh, Alireza, Khandani, Amir K.
In this paper, a multiple-relay network in considered, in which $K$ single-antenna relays assist a single-antenna transmitter to communicate with a single-antenna receiver in a half-duplex mode. A...
Asymptotic Analysis of Amplify and Forward Relaying in a Parallel MIMO Relay Network (2007)
Gharan, Shahab Oveis, Bayesteh, Alireza, Khandani, Amir K.
This paper considers the setup of a parallel MIMO relay network in which $K$ relays, each equipped with $N$ antennas, assist the transmitter and the receiver, each equipped with $M$ antennas, in the...
Asymptotic Analysis of Amplify and Forward Relaying in a Parallel MIMO Relay Network (2007)
Shahab Oveis Gharan, Alireza Bayesteh, Amir Keyvan Kh, Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
This paper considers the setup of a parallel MIMO relay network in which K relays, each equipped with N antennas, assist the transmitter and the receiver, each equipped with M antennas, in the...
0 Channel Code Design with Causal Side Information at the Encoder (2007)
Hamid Farmanbar, Shahab Oveis Gharan, Amir K. Kh, Hamid Farmanbar, Shahab Oveis Gharan, Amir K. Kh
The problem of channel code design for the M-ary input AWGN channel with additive Q-ary interference where the sequence of i.i.d. interference symbols is known causally at the encoder is considered....
Asymptotic Analysis of Amplify and Forward Relaying in a Parallel MIMO Relay Network (2007)
Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
This paper considers the setup of a parallel MIMO relay network in which à relays, each equipped with Æ antennas, assist the transmitter and the receiver, each equipped with Å antennas, in the...
Path Diversity over the Internet: Performance Analysis and Rate Allocation (2007)
Shervan Fash, Shahab Oveis Gharan, Amir K. Kh, Shervan Fash, Shahab Oveis Gharan, Amir K. Kh
Path diversity works by setting up multiple parallel connections between the end points using the topological path redundancy of the network. In this paper, Forward Error Correction (FEC) is applied...
Asymptotic analysis of amplify and forward relaying in a parallel MIMO relay network (2007)
Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
Abstract — This paper considers the setup of a parallel MIMO relay network in which K relays, each equipped with N antennas, assist the transmitter and the receiver, each equipped with M antennas,...
The Multiple Relays Network (2007)
Shahab Oveis Gharan, Alireza Bayesteh, Amir Keyvan Kh, Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
The system, as in [1], [2], and [3], consists of K relays assisting the transmitter and the receiver in the half-duplex mode, i.e. in each time, the relays can either transmit or receive. The...
The Multiple Relays Network (2007)
Shahab Oveis Gharan, Alireza Bayesteh, Amir Keyvan Kh, Shahab Oveis Gharan, Alireza Bayesteh, Amir K. Kh
This paper studies the setup of a multiple relays network in which K half-duplex single-antenna relays assist the single-antenna transmitter(s) and the single-antenna receiver. Each pair of nodes are...
Channel Code Design with Causal Side Information at the Encoder
Hamid Farmanbar, Shahab Oveis Gharan, Amir K. Kh
The problem of channel code design for the M-ary input AWGN channel with additive Q-ary interference where the sequence of i.i.d. interference symbols is known causally at the encoder is considered....