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## Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks (2003)

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Venue: | IEEE TRANS. INF. THEORY |

Citations: | 603 - 5 self |

### Citations

2074 | A simple transmit diversity technique for wireless communications
- Alamouti
- 1998
(Show Context)
Citation Context ...t only a randomly selected subset of of those antennas actually transmit, can the space–time code offer diversity ? It turns out that the class of space–time block codes based upon orthogonal designs =-=[9]-=-, [10] have this property [11]. Essentially, these codes have orthogonal waveforms emitted from each antenna, corresponding to columns in a code matrix. Absence of an antenna corresponds to deletion o... |

1925 | Cooperative diversity in wireless networks: efficient protocols and outage behavior
- Laneman, Tse, et al.
- 2004
(Show Context)
Citation Context ... the half-duplex constraint and do not transmit and receive simultaneously on the same subchannel. Note that these are the same basic restrictions on medium-access control protocols described in [3], =-=[4]-=-. We now describe how the medium-access control protocol differs under repetition-based and space–time-coded cooperative diversity. Fig. 3 illustrates example channel and subchannel allocations for re... |

1496 | Space-time block codes from orthogonal designs
- Tarokh, Jafarkhani, et al.
- 1999
(Show Context)
Citation Context ...y a randomly selected subset of of those antennas actually transmit, can the space–time code offer diversity ? It turns out that the class of space–time block codes based upon orthogonal designs [9], =-=[10]-=- have this property [11]. Essentially, these codes have orthogonal waveforms emitted from each antenna, corresponding to columns in a code matrix. Absence of an antenna corresponds to deletion of a co... |

1166 |
Gamal, “Capacity theorems for the relay channel
- Cover, El
- 1979
(Show Context)
Citation Context ...f Technology (MIT), Cambridge, MA 02139 USA (e-mail: gww@mit.edu). Communicated by T. L. Marzetta, Guest Editor. Digital Object Identifier 10.1109/TIT.2003.817829 0018-9448/03$17.00 © 2003 IEEE model =-=[1]-=- and examines the problem of creating and exploiting space diversity using a collection of distributed antennas belonging to multiple users, each with their own information to transmit. We refer to th... |

416 | High-rate codes that are linear in space and time
- Hassibi, Hochwald
- 2002
(Show Context)
Citation Context ... with space–time codes based upon orthogonal designs, specifically nonexistence of “rateone” codes for more than two antennas, limited capacity with multiple receive antennas, and so forth [9], [10], =-=[12]-=-. On the other hand, orthogonal designs do offer full diversity benefits given a single receive antenna, which is the scenario of interest in this paper, and have the useful property that they maintai... |

407 |
Information theoretic considerations for cellular mobile radio
- Ozarow, S
- 1994
(Show Context)
Citation Context ...ACE–TIME-CODED PROTOCOLS 2419 below some fixed spectral efficiency is referred to as an outage event, and the probability of an outage event, , is referred to as the outage probability of the channel =-=[8]-=-. Since is a random set, we utilize the total probability law and write 1) Outage Conditioned on the Decoding Set: For repetition coding, the random codebook at the source is generated independent and... |

140 |
Increasing uplink capacity via user cooperation diversity
- Sendonaris, Erkip, et al.
- 1998
(Show Context)
Citation Context ... of distributed antennas belonging to multiple users, each with their own information to transmit. We refer to this form of space diversity as cooperative diversity (cf. user cooperation diversity of =-=[2]-=-) because the terminals share their antennas and other resources to create a “virtual array” through distributed transmission and signal processing. In [3], [4], we develop various cooperative diversi... |

140 |
Cooperation diversity through coding
- Hunter, Nosratinia
(Show Context)
Citation Context ... diversity will be fruitful. First, practical coding schemes can be designed, building upon insights obtained from informationtheoretic treatments. Some progress toward this objective has occurred in =-=[14]-=-, [15]. Second, algorithms and protocols for forming cooperating groups of terminals will be necessary. The effects of network geometry on the coding or SNR gain/loss of the protocols will be particul... |

131 |
An efficient protocol for realizing cooperative diversity in wireless networks
- Laneman, Wornell, et al.
- 2001
(Show Context)
Citation Context ...diversity (cf. user cooperation diversity of [2]) because the terminals share their antennas and other resources to create a “virtual array” through distributed transmission and signal processing. In =-=[3]-=-, [4], we develop various cooperative diversity algorithms for a pair of terminals based upon relays amplifying their received signals or fully decoding and repeating information. We refer to these al... |

17 | Limiting analysis of outage probabilities for diversity schemes in fading channels - Laneman - 2003 |

16 |
Measure Theory and Probability
- Adams, Guillemin
- 1996
(Show Context)
Citation Context ...gin. Proof: Let , . Then (33) (34) where the last equality results from the change of variables . Thus, it is sufficient for us to compute the limit (35) To lower-bound the , we exploit Fatou’s lemma =-=[16]-=- to obtain (36) Now, , and by independence the PDF of is the convolution of the PDFs of and . Specifically, sinces2424 IEEE TRANSACTIONS ON INFORMATION THEORY, VOL. 49, NO. 10, OCTOBER 2003 is positiv... |

13 |
Cooperative information transmission in wireless networks
- Stefanov, Erkip
- 2002
(Show Context)
Citation Context ...sity will be fruitful. First, practical coding schemes can be designed, building upon insights obtained from informationtheoretic treatments. Some progress toward this objective has occurred in [14], =-=[15]-=-. Second, algorithms and protocols for forming cooperating groups of terminals will be necessary. The effects of network geometry on the coding or SNR gain/loss of the protocols will be particularly i... |

6 |
Transmit diversity when the receiver does not know the number of transmit antennas
- Maurer, Tarokh
- 2001
(Show Context)
Citation Context ...bset of of those antennas actually transmit, can the space–time code offer diversity ? It turns out that the class of space–time block codes based upon orthogonal designs [9], [10] have this property =-=[11]-=-. Essentially, these codes have orthogonal waveforms emitted from each antenna, corresponding to columns in a code matrix. Absence of an antenna corresponds to deletion of a column in the matrix, anal... |

4 |
Diversity and freedom: a fundamental tradeoff in multiple antenna channels
- Zheng, Tse
- 2002
(Show Context)
Citation Context ...rder and normalized spectral efficiency of a protocol [3], [4]. The latter tradeoff, called the diversity–multiplexing tradeoff, was developed originally in the context of multiple-antenna systems in =-=[6]-=-, [7]. III. REPETITION-BASED COOPERATIVE DIVERSITY In this section, we analyze performance of a repetition decode-and-forward cooperative diversity algorithm for more than two terminals. Such protocol... |

3 |
multiplexing: A fundamental tradeoff in multipleantenna channels
- “Diversity
- 2003
(Show Context)
Citation Context ...and normalized spectral efficiency of a protocol [3], [4]. The latter tradeoff, called the diversity–multiplexing tradeoff, was developed originally in the context of multiple-antenna systems in [6], =-=[7]-=-. III. REPETITION-BASED COOPERATIVE DIVERSITY In this section, we analyze performance of a repetition decode-and-forward cooperative diversity algorithm for more than two terminals. Such protocols con... |

2 |
Infromation Technology–Telecommunications and Information Exchange Between Systems—Local and Metropolitan Area Networks— Specific Requirements. Part 11
- Hayes, Ed
- 1997
(Show Context)
Citation Context ...f the cooperating terminals. Such synchronization might be obtained through periodic transmission of known synchronization prefixes, as proposed in current wireless local-area network (LAN) standards =-=[13]-=-. A detailed study of issues involved with synchronization is beyond the scope of this paper. V. DIVERSITY–MULTIPLEXING TRADEOFF In Sections III and IV, we parameterize performance by the pair . We in... |