Space|time diversity using orthogonal and ...

Quasi-Orthogonal Space-Time Block Codes with Full Diversity

Quasi-Orthogonal Space-Time Block Codes with Full Diversity. Weifeng Su and Xiang-Gen Xia. Department of Electrical and Computer Engineering. University of ...

On the performance of code word diversity based quasi orthogonal ...

On the performance of code word diversity based quasi orthogonal space time block codes in multiple-input-multiple-output systems · Abstract · Full Text.

Orthogonal Space-Time Block Codes With Sphere Packing

transmit diversity scheme using orthogonal designs was pro- posed in [3] to construct STBCs for two transmit antennas from a complex orthogonal design. The idea ...

Quasi-Orthogonal Space-Time Block Codes for Data Transmission ...

The simple Alamouti scheme using two transmit antennas increases the diversity at the receiver from d = 1 to d = 2 in a frequency flat fading channel. It has ...

6 Distributed space-time block codes

effectively be handled with delay diversity, delay-tolerant distributed space-time ... tive to using orthogonal designs is to use quasi-orthogonal designs [7], ...

Orthogonal space-time block coding for wireless sensor networks

Diversity, i.e. transmitting multiple replicas of a signal, may mitigate fading in wireless sensor networks. Among other diversity techniques, the space ...

PERFORMANCE ANALYSIS OF ORTHOGONAL SPACE TIME ...

Due to the low complexity and high diversity, orthogonal space-time block coding (OSTBC) has been widely used in this decade. The diversity gain makes the ...

Quasi-Orthogonal Space-Time Block Code | Communications and ...

Quasi-Orthogonal Space-Time Block Code presents an up-to-date, comprehensive and in-depth discussion of an important emerging class of space-time codes.

Introduction to MIMO Systems - MATLAB & Simulink - MathWorks

Using the flat-fading Rayleigh channel, it illustrates the concept of Orthogonal Space-Time Block Coding, which is employable when multiple transmitter antennas ...

Orthogonal Space-Time Block Coding for Double Scattering V2V ...

Specifically, space-time block codes (STBCs) constitute a classical approach to achieve transmit diversity in MIMO systems. In particular, the ...

A Rotated Quasi-Orthogonal Space-Time Block Code for ... - MDPI

This in turn lets asynchronous cooperative diversity [4], an open research topic to deal with this problem, be attracted the most attention. Taking into account ...

The application of orthogonal designs to wireless communication

We introduce space-block codzng, a new paradigm for transmission over Rayleigh fading channels using multiple transmit antennas. Data is encoded using a ...

Diversity Gain Enhancement for Extended Orthogonal Space-Time ...

Diversity Gain Enhancement for Extended Orthogonal Space-Time Block Coding in Wireless Communications (2013). Summary · Read Online · Download · Similar.

Orthogonal Frequency Division Multiplexing with Diversity for Future ...

In this chapter, we develop fast (single-symbol) maximum likelihood (ML) decoding algorithms for orthogonal space-time block codes (OSTBC) and (linearly ...

Low complexity iterative receiver for Non-Orthogonal Space ... - HAL

space-time diversity provided by the Non-Orthogonal STBC and ... space-time diversity in an optimal way without sacrificing data rate ...

3 Point-to-point communication: detection, diversity, and channel ...

The diversity techniques operate over time, frequency or space, but the basic idea is the same. By sending signals that carry the same information through ...

Using Orthogonal and Quasi-Orthogonal Designs in Wireless Relay...

It is well known that orthogonal space- time codes have full diversity and linear decoding complexity. They are particularly suitable for ...

Performance of Concatenated Channel Codes and Orthogonal ...

of quasi-static fading with no time diversity and a coding gain of d ... or MTCM with space-time block codes in correlated channels. We also outline ...

Limited Feedback Unitary Precoding for Orthogonal Space-Time ...

Further, compared with low-complexity closed-loop diversity techniques such as beamforming, OSTBCs do not fare well due to a significant array gain penalty [8].

Enhancement of Twice Quasi Orthogonal Space Time Block Coded ...

The emphasis of our study in was to design codes which provide full diversity by generalizing the theory of orthogonal designs with using Twice QOSTBC.