### Citations

2913 | Capacity of multi-antenna gaussian channels
- Telatar
- 1999
(Show Context)
Citation Context ...er the assumption that channels between pairs of transmit and receive antennas are independent of each other. This independence between channels arises due to multipath between source and destination =-=[7,8]-=-. Independence of channels also means that the receiver will have more than one independent copy of the transmitted signal. This phenomena known as “diversity” is exploited by space-time coding to pro... |

2431 |
Wireless Communications: Principles and Practice
- Rappaport
- 2001
(Show Context)
Citation Context ...effective, the antenna spacing must be larger than the coherence distance in order to ensure independent fades across different antennas. There are many traditional types of spatial diversity schemes =-=[19]-=- like selection diversity, feedback diversity, maximal ratio receiver diversity (MRRD), and equal gain diversity. In the next section we will find that space-time codes exploit a special type of spati... |

2418 | On limits of wireless communications in a fading environment when using multiple antennas
- Foschini, Gans
- 1998
(Show Context)
Citation Context ...er the assumption that channels between pairs of transmit and receive antennas are independent of each other. This independence between channels arises due to multipath between source and destination =-=[7,8]-=-. Independence of channels also means that the receiver will have more than one independent copy of the transmitted signal. This phenomena known as “diversity” is exploited by space-time coding to pro... |

2121 | A simple transmit diversity technique for wireless communications
- Alamouti
- 1998
(Show Context)
Citation Context ...ustin [15]. 2. Approach Space-time codes can be divided into block and trellis codes. First, we will 2sconsider the block codes. The most famous space-time block code was proposed by Alamouti in 1998 =-=[1]-=-. It is proposed to study the code, analyze it using metrics developed in [2] and finally simulate it for different receive antenna configurations (the number of transmit antennas is limited by the co... |

1778 | Space-time codes for high data rate wireless communication: Performance criterion and code construction
- Tarokh, Seshadri, et al.
- 1998
(Show Context)
Citation Context ...(due to redundancy in time domain). It has been shown that codes can be designed to provide diversity up to T R N N × , where T N and R N are the number of transmit and receive antennas, respectively =-=[2]-=-. Diversity can be quantified by the slope of error versus signal to noise ratio graph. Spatial multiplexing involves multiplexing the input data stream between the various transmit antennas. It explo... |

1519 | Space-time block codes from orthogonal designs
- Tarokh, Jafarkhani, et al.
- 1999
(Show Context)
Citation Context ...ribed in the next section).sThe Alamouti scheme can be similarly generalized to 2 transmit and N R receive antennas. Further by the orthogonal property of the transmitted matrix it is easily shown in =-=[3]-=- that the Alamouti code provides a maximal diversity advantage of N RNT =2 N R . The coding gain provided by this spacetime block coding scheme, which depends on the determinant criterion (mentioned i... |

1432 |
Layered space-time architecture for wireless communication in a fading environment when using multiple antennas
- Foschini
- 1996
(Show Context)
Citation Context ... 2 C = log 2[ 1+ SNR⋅ H ] [Bps/Hz] (III-2) where H is the 1× 1 unit-power complex Gaussian amplitude of the channel. Moreover, it has been noticed that the capacity is very small due to fading events =-=[9, 26, 29]-=-. capacity is In the single-input multiple-output (SIMO) systems, the channel vector H is 1 × NR and the ∗ C = log 2[ 1+ SNR⋅ HH ] [Bps/Hz] (III-3) where the superscript * is the transpose conjugate. ... |

550 | Fading correlation and its effect on the capacity of multielement antenna systems
- Shiu, Foschini, et al.
- 2000
(Show Context)
Citation Context ...ver, due to movement or other changes in the environment, LOS situation can arise. Thus, the Ricean channel modeling for MIMO systems has recently attracted considerable attention and been researched =-=[35, 36]-=-. Therefore, we also simulated the MIMO system operations in the Ricean channel and achieved the result that the MIMO systems in a Ricean channel show the better performance than in a Rayleigh channel... |

417 | Spatio-temporal coding for wireless communication - Raleigh, Cioffi, et al. - 1998 |

378 | Detection algorithm and initial laboratory results using V-BLAST space–time communication architecture,” Electron
- Golden, Foschini, et al.
- 1999
(Show Context)
Citation Context ...-BLAST). V-BLAST gives better performance compared to linear receivers by detecting the best transmit antenna channel available and then successively canceling interference due to the detected signal =-=[10,11]-=-. 3sFig 2. System block diagram of BLAST scheme [11] Simulations for both space-time coding and spatial multiplexing will be done using Monte Carlo method via LabView and will have certain common assu... |

368 | Space-time block coding for wireless communications: performance results
- Tarokh, Jafarkhani, et al.
- 1999
(Show Context)
Citation Context ..., analyze and simulate the various codes, which will involve implementing Viterbi decoder with soft decoding in a multi-antenna scenario. Fig. 1 shows a system block diagram of space-time coding from =-=[5]-=-. Fig 1. System block diagram of STC scheme [5] Receivers for spatial multiplexing can be divided into three classes, the maximum likelihood receiver, the linear receivers, and the successive interfer... |

308 | Unitary space-time modulation for multiple-antenna communications in Rayleigh flat fading,” - Hochwald, Marzetta - 2000 |

114 | Minimal non-orthogonality rate 1 space-time block code for 3+ tx antennas - Tirkkonen, Boariu, et al. - 2000 |

106 | Combined array processing and space-time coding - Tarokh, Naguib, et al. - 1999 |

86 | MIMO Wireless Channels: Capacity and performance prediction,” in
- Gesbert, Bölcskei, et al.
- 2000
(Show Context)
Citation Context ... 2 C = log 2[ 1+ SNR⋅ H ] [Bps/Hz] (III-2) where H is the 1× 1 unit-power complex Gaussian amplitude of the channel. Moreover, it has been noticed that the capacity is very small due to fading events =-=[9, 26, 29]-=-. capacity is In the single-input multiple-output (SIMO) systems, the channel vector H is 1 × NR and the ∗ C = log 2[ 1+ SNR⋅ HH ] [Bps/Hz] (III-3) where the superscript * is the transpose conjugate. ... |

84 | Space-time block coding: A capacity perspective,” - Sandhu, Paulraj - 2000 |

82 |
A fourth-generation MIMO-OFDM broadband wireless system: design, performance, and field trial results,”
- Sampath, Talwar, et al.
- 2002
(Show Context)
Citation Context ... selective channels by converting the channel into the flat fading subchannels, that is, a broadband signal is broken into multiple narrowband tones, in which each carrier is more robust to multipath =-=[39, 40]-=-. Moreover, space-time coded OFDM (STC-OFDM) and BLAST-OFDM have proposed to overcome frequency selective fading channels and achieve higher capacity and spectral efficiency in a rich scattering envir... |

73 |
Increasing capacity in wireless broadcast systems using distributed transmission/directional reception,” U.S.
- Paulraj, Kailath
- 1994
(Show Context)
Citation Context ...systems offer capacity increases that vary linearly with the number of antennas used without increasing premium bandwidth or power [8]. Spatial multiplexing, initially proposed by Paulraj and Kailath =-=[25]-=- and later practically demonstrated by Foschini [8] in Bell Labs, is a technology that exploits this feature of MIMO systems to practically achieve the theoretical capacity limit. Apart from the capac... |

66 |
Jakes,Microwave Mobile Communications
- C
- 1974
(Show Context)
Citation Context ...s met for the respective diversity schemes. The diversity system must then optimally combine the received diversified waveforms so as to maximize the resulting signal quality. The reader can refer to =-=[19, 20]-=- and references therein for a broad of overview of traditional diversity combining systems. Diversity schemes can also be categorized in another way based on whether diversity is applied at the transm... |

39 | Improving BLAST performance using space-time block codes and turbo decoding
- Baro, Bauch, et al.
- 2000
(Show Context)
Citation Context ...nce. From this normalization of noise power and channel loss, the averaged transmitted power which is equal to the average SNR at each receive antenna is to be no greater than ? without regard to N T =-=[11, 14, 27, 29]-=-. Now we consider the Ricean fading model for the 2 transmitter and 2 receiver case which we use in our simulations. The generalization to more than 2 transmit or receive antennas is straightforward. ... |

18 |
Geometrically uniform codes
- Jr
- 1991
(Show Context)
Citation Context ...codes it can be shown that these codes satisfy the 19sdesigned criteria derived in section IV.II.I. The space-time codes proposed in [21] satisfy the important property of being geometrically uniform =-=[21, 24]-=-. From this property it immediately follows that the proposed codes (like the one described in Figure IV-4) indeed maximize the coding gain for a given diversity order. The reader is referred to [21, ... |

17 |
Multiple-input multipleoutput (MIMO) wireless systems,” The Communications Handbook, 2nd edion, 90.1–90.14
- Bölcskei, Paulraj, et al.
- 2002
(Show Context)
Citation Context ...per symbol is required to be enumerated for each transmitted symbol. Therefore, the complexity of ML receiver is high and even prohibitive when many antennas or high order modulation schemes are used =-=[17, 27, 28]-=-. B. Zero Forcing (ZF) Receiver Zero-forcing receiver is a simple linear receiver, which uses a straight matrix inversion. Under the assumption that the channel matrix H is invertible, a transmitted d... |

16 | Realizable MIMO Decision Feedback Equalizers: Structure and Design," http://www.signal.uu.se/Publications/pdf
- Tidestav, Ahlen, et al.
(Show Context)
Citation Context ...hat is, the mean square error between the transmitted symbols and estimate of the receiver is minimized. Thus, MMSE V-BLAST receiver yields superior performance to ZF V-BLAST in the presence of noise =-=[33, 34]-=-. The detection algorithm is 2 k i 2 2ssummarized as follows where � Initialization � Recursion 2 σ is the variance of i.i.d complex Gaussian random noise with zero mean. Furthermore, the detection or... |

15 | Breaking the barriers of Shannon’s capacity: an overview - Gesbert, Akhtar - 2002 |

14 | A Quasi—orthogonal Space Time Block Codes[J - Jafarkhani |

13 | Performance evaluation of BLAST-OFDM enhanced hiperlan/2 using simulated and measured channel data - Piechocki, Fletcher, et al. - 2001 |

10 | Space-time processing for broadband wireless access - Al-Dhahir, Fragouli, et al. - 2002 |

8 | State Space Estimation, - Kailath, Sayed, et al. - 1999 |

8 | Space-time code design - Lu, Wang - 2000 |

6 |
et al., “V-BLAST: An architecture for realizing very high data rates over the rich-scattering wireless channel
- Wolniansky, Foschini, et al.
- 1998
(Show Context)
Citation Context ...-BLAST). V-BLAST gives better performance compared to linear receivers by detecting the best transmit antenna channel available and then successively canceling interference due to the detected signal =-=[10,11]-=-. 3sFig 2. System block diagram of BLAST scheme [11] Simulations for both space-time coding and spatial multiplexing will be done using Monte Carlo method via LabView and will have certain common assu... |

6 |
Space Division Multiplexing Algorithms",
- Zelst
- 2000
(Show Context)
Citation Context ...nce. From this normalization of noise power and channel loss, the averaged transmitted power which is equal to the average SNR at each receive antenna is to be no greater than ? without regard to N T =-=[11, 14, 27, 29]-=-. Now we consider the Ricean fading model for the 2 transmitter and 2 receiver case which we use in our simulations. The generalization to more than 2 transmit or receive antennas is straightforward. ... |

4 |
Performance analysis of spatial multiplexing in correlated channels
- Gore, Heath, et al.
- 2002
(Show Context)
Citation Context ...eiver, we will investigate the linear receivers, namely, the Zero Forcing (ZF) Receiver that just inverts the channel, and Minimum Mean Squared Error (MMSE) receiver that is slightly more complex. In =-=[17]-=-, an analysis of performance of both ML and ZF receivers is discussed. Finally, we will focus on successive interference cancellation receiver also known as Vertical Bell Laboratories Layered Space-Ti... |

4 | Consistent estimation of Rayleigh fading channel second-order statistics in the context of the wideband CDMA mode of the UMTS - Chaufray, Loubaton, et al. - 2001 |

3 | Performance of space-time coding with HIPERLAN/2 - Piechocki, Fletcher, et al. |

2 |
Optimal Training Sequences for Channel Estimation
- Barhumi, Leus, et al.
- 2002
(Show Context)
Citation Context ... selective channels by converting the channel into the flat fading subchannels, that is, a broadband signal is broken into multiple narrowband tones, in which each carrier is more robust to multipath =-=[39, 40]-=-. Moreover, space-time coded OFDM (STC-OFDM) and BLAST-OFDM have proposed to overcome frequency selective fading channels and achieve higher capacity and spectral efficiency in a rich scattering envir... |

1 | Application of space-time coding techniques in third generation systems - Burr |

1 | Capacity Obtained from Multi-Input-MultiOutput Channel Measurements in fixed Wireless Environments at 2.5GHz - Erceg, Soma, et al. |

1 |
et al., “ Communication through a diffusive medium
- Moustakas
- 2000
(Show Context)
Citation Context ...ver, due to movement or other changes in the environment, LOS situation can arise. Thus, the Ricean channel modeling for MIMO systems has recently attracted considerable attention and been researched =-=[35, 36]-=-. Therefore, we also simulated the MIMO system operations in the Ricean channel and achieved the result that the MIMO systems in a Ricean channel show the better performance than in a Rayleigh channel... |

1 | Performance evaluation of space-time coding over frequency selective fading channel - So, Cheng - 2002 |

1 | Effect of carrier frequency offset on performance of BLASTOFDM systems - Wang, Ren, et al. - 2002 |