#### DMCA

## Compressed Channel Estimation for MIMO Amplify-and-Forward Relay Networks

### Citations

3540 | Compressed sensing
- Donoho
- 2006
(Show Context)
Citation Context ... or below the noise floor, especially when operating at large bandwidths and signaling durations and/or with numbers of antenna elements [8-10]. With the theoretical development of compressed sensing =-=[11]-=-, a number of researches have proposed sparse channel estimation methods on point-to-point (P2P) communication systems including single-antenna [12] or multiple-antenna [13]. Meanwhile, sparse channel... |

769 | Signal recovery from random measurements via orthogonal matching pursuit
- Tropp, Gilbert
- 2007
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Citation Context ...ing matching pursuit(CoSaMP)[16] algorithm. Lastly, we verify the proposed methods with computer simulations, and then compare with the traditional methods and compressive sensing-based OMP algorithm =-=[17]-=-. The contribution of this paper is that we first introduce a sparse channel estimation technique with compressed sensing for MIMO relay network and exploit the sparse structure information in the CIR... |

747 | CoSaMP: Iterative signal recovery from incomplete and inaccurate samples
- Needell, Tropp
- 2009
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Citation Context ...late composite channels estimation as compressed sensing problem by using sparse decomposition theory. Secondly, the composite channel is reconstructed by compressive sampling matching pursuit(CoSaMP)=-=[16]-=- algorithm. Lastly, we verify the proposed methods with computer simulations, and then compare with the traditional methods and compressive sensing-based OMP algorithm [17]. The contribution of this p... |

680 |
The restricted isometry property and its implications for compressed sensing
- Candès
- 2008
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Citation Context ...recent theoretical results, the observation signal can be used to efficiently recover any “sparse enough” signal provided that the matrix X satisfies the so-called restricted isometric property (RIP) =-=[18]-=-. We suppose that X is a n× p complex-valued measurement matrix that has unit ℓ2-norm columns. The X satisfies the RIP of order d with δ ∈ 0,1 , which can satisfy the inequality parameter d ( ) ( −δ )... |

80 | Compressed Channel Sensing: A New Approach to Estimating Sparse Multipath Channels
- Bajwa, Haupt, et al.
- 2010
(Show Context)
Citation Context ...ment of compressed sensing [11], a number of researches have proposed sparse channel estimation methods on point-to-point (P2P) communication systems including single-antenna [12] or multiple-antenna =-=[13]-=-. Meanwhile, sparse channel estimation methods [14], [15] on cooperative networks have also been investigated recently. All of the channel estimation methods are limited in either single-antenna or mu... |

52 | Compressed channel sensing
- Bajwa, Haupt, et al.
- 2008
(Show Context)
Citation Context ...h the theoretical development of compressed sensing [11], a number of researches have proposed sparse channel estimation methods on point-to-point (P2P) communication systems including single-antenna =-=[12]-=- or multiple-antenna [13]. Meanwhile, sparse channel estimation methods [14], [15] on cooperative networks have also been investigated recently. All of the channel estimation methods are limited in ei... |

28 | Cluster characteristics in a MIMO indoor propagation environment - Czink, Yin, et al. - 2007 |

12 | Channel estimation of dual-hop MIMO relay systems via parallel factor analysis
- Rong, Khandaker, et al.
- 2012
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Citation Context ... relay networks, we cannot appeal to the results of the point-to-point MIMO systems directly, because the end-to-end channels are often concatenations of channels of multiple communication stages. In =-=[4]-=-, parallel factor analysis based channel estimation method for two-hop MIMO relay communication system is developed. In [5] the authors introduce the superimposed training strategy into the MIMO AF on... |

11 | Sparse multipath channel estimation using compressive sampling matching pursuit algorithm
- Gui, Wan, et al.
- 2010
(Show Context)
Citation Context ...the channel estimate is lower bounded as (14) � ��� E���� −�� �≥ . (15) � � The compressive sensing-based CoSaMP has been considered as an effective method when the sparsity d of the channel is known =-=[20]-=-. The accurate channel estimator is obtained by refining the support set at each iteration step. Input: z, X, d , the training signal matrix X = diag( Fx) W, the maximum number of dominant channel coe... |

9 | Timing and carrier synchronization with channel estimation in multi-relay cooperative networks - Nasir, Mehrpouyan, et al. - 2012 |

9 | Sparse multipath channels: Modeling and estimation - Bajwa, Sayeed, et al. - 2009 |

5 | Compressed channel estimation for sparse multipath non-orthogonal amplify-and-forward cooperative networks
- Gui, Wei, et al.
- 2012
(Show Context)
Citation Context ...ches have proposed sparse channel estimation methods on point-to-point (P2P) communication systems including single-antenna [12] or multiple-antenna [13]. Meanwhile, sparse channel estimation methods =-=[14]-=-, [15] on cooperative networks have also been investigated recently. All of the channel estimation methods are limited in either single-antenna or multi-antenna systems for the traditional P2P transmi... |

5 | A restricted isometry property for structurally subsampled unitary matrices
- Bajwa, Sayeed, et al.
- 2009
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Citation Context ... =� � �=�+� � �. (13) At first, we would like to give a definition to the sparsity of MIMO relay network. Assume that k is a d -sparse channel vector, in the sense that its impulse response satisfies =-=[19]-=- M L-1 D d �åå klm , () i �M 0 SMDL m= 1����������� i= 0 �di The MSE in the channel estimate is lower bounded as (14) � ��� E���� −�� �≥ . (15) � � The compressive sensing-based CoSaMP has been consid... |

4 | Semiblind sparse channel estimation for MIMO-OFDM systems - WAN, ZHU, et al. |

2 |
Superimposed trainingbased channel estimation and data detection for OFDM amplify-andforward cooperative systems under high mobility
- He, Wu, et al.
- 2012
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Citation Context ...ls are often concatenations of channels of multiple communication stages. In [4], parallel factor analysis based channel estimation method for two-hop MIMO relay communication system is developed. In =-=[5]-=- the authors introduce the superimposed training strategy into the MIMO AF one-way relay network (OWRN) to perform the individual channel estimation at the destination. A least square (LS) channel est... |

1 | Sequential Monte-Carlo double iterative detection for flat fading mimo channel - Rui, Xi-qi, et al. - 2008 |

1 |
Least square channel estimation for two-way relay MIMO-OFDM systems
- Fang, Shi
- 2011
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Citation Context ...lay network (OWRN) to perform the individual channel estimation at the destination. A least square (LS) channel estimation algorithm under block-based training is proposed for MIMO-OFDM relay Systems =-=[6]-=-. Furthermore,expectation conditional maximization (ECM) channel information estimation algorithm proposed in [7] to estimate the channel for MIMO Amplify-and-Forward Relay Networks. However, most of... |

1 |
Doubly iterative receiver for MIMO amplify-and-forward relay networks
- Pham, Garg, et al.
- 2010
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Citation Context ...timation algorithm under block-based training is proposed for MIMO-OFDM relay Systems [6]. Furthermore,expectation conditional maximization (ECM) channel information estimation algorithm proposed in =-=[7]-=- to estimate the channel for MIMO Amplify-and-Forward Relay Networks. However, most of existing studies on MIMO Amplify-and-Forward Relay Networks never take advantage of channel sparsity and then the... |

1 |
Compressive channel estimation for OFDM cooperation networks
- Zhang, Gui, et al.
- 2012
(Show Context)
Citation Context ...ave proposed sparse channel estimation methods on point-to-point (P2P) communication systems including single-antenna [12] or multiple-antenna [13]. Meanwhile, sparse channel estimation methods [14], =-=[15]-=- on cooperative networks have also been investigated recently. All of the channel estimation methods are limited in either single-antenna or multi-antenna systems for the traditional P2P transmission ... |