CDMA space-time coding
Comparative Study of Different Space Time Coding Schemes for MC CDMA Systems
... of space-time trellis-code (STTC), space-time block code (STBC), and space-time trellis-code concatenated with space-time block code (STTC-STBC) for multi-carrier ...
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Coherent and Differential Downlink Space Time Steering Aided Generalised Multicarrier DS CDMA
... Differential Space-Time Modulation (DSTM) schemes [14, 15], introduced as extensions of the traditional differential phase shift keying scheme, were shown to be capable of reliable data detection without ...
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Design of Space-Time Coded Single-Carrier and Multi-Carrier MIMO-CDMA systems
... Space-time block coding is a new technique which provides reliable data transmission with multiple antennas. In MIMO scheme multiple antennas are used and STBC codes generate the code symbols which ...
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Space Time Coded MC CDMA: Blind Channel Estimation, Identifiability, and Receiver Design
... some space-time (ST) block coded transmission schemes [20] in order to provide transmit diversity to the ...ST coding scheme that involves two transmit antennas ...ST coding in MC-CDMA ...
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Space Time Chip Equalization for Maximum Diversity Space Time Block Coded DS CDMA Downlink Transmission
... (MUI). Space-time chip equalization is an efficient tool to restore the orthogonality of the user signals and suppress the ...on space-time block coding (STBC) techniques, and aims at ...
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Single Carrier Space Time Trellis and Space Time Block Coding for Dispersive Rayleigh Fading Channels
... ly time selective nor significantly frequency ...investigate space diversity techniques with the aim of improving the system’s ...set. Space-Time Trellis Coding (STTC) pioneered by ...
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Robust Coding Methods For Space-Time Wireless Communications
... in space-time modulation and coding methods that exploit the presence of multiple transmit and receive ...of space-time codes have been proposed in the liter- ature, such as the layered ...
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Frequency domain equalization space time block coded CDMA transmission system
... successful space-time coding scheme was first proposed by Alamouti [1] for the case of two transmit and multi- ple receive ...(DS- CDMA) transmission system in ...(SC) time-domain ...
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Differential Space Time Block Code Modulation for DS CDMA Systems
... recently, space-time block codes (STBC) based differential space-time block code (DSTBC) modulation scheme was proposed in ...higher coding gain than the unitary group code based DSTM ...
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Sphere Decoding for Space time Multiuser Detection in STBC DS CDMA System
... in CDMA system are always the foci in wireless communication ...combine space-time coding method so as to increase the capacity of system and improve the transmission rate without increasing ...
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Space-Time Coding for Large Antenna Arrays
... important space-time codes was proposed by Alam- outi in [2], which is a space-time block code (STBC) for systems with two transmit ...successful space-time codes be- cause of ...
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Super-Orthogonal Space-Time Turbo Transmit Diversity for CDMA
... RAKE, coding gain comes at the cost of an increased multiple-access interference (MAI) ...a coding perspective) is improved due to the introduction of additional MAI as a result of the multi- ple ...
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Downlink Steered Space Time Spreading Assisted Generalised Multicarrier DS CDMA Using Sphere Packing Aided Multilevel Coding
... employing Space-Time Block Codes (STBC) [2], which was capable of achieving a substantial diversity ...as Space-Time Spreading (STS) for the downlink of Wideband Code Division Multiple Access ...
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Turbo Coding, Turbo Equalisation and Space Time Coding
... a CDMA system using joint detection and antenna diversity ...to space limitations here we have to curtail listing the range of further contributors in the field, without whose advances this treatise could ...
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Pre-Decorrelation for Coded DS-CDMA System with Space-Time Block Coding
... Under severe channel conditions (i.e. multipath), the multiple access interference (MAI) becomes the major source of performance degradation for direct sequence CDMA (DS-CDMA) systems. This is because of ...
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Performance Analysis of a Wireless CDMA Transmission System with Receiver Diversity Schemes
... [19], space-time pre-RAKE (STPR) technique was investigated for transmitter antenna diversity ...all space and frequency diversity ...wireless CDMA system with transmit diversity is reported ...
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Buffer aided distributed space time coding schemes and algorithms for cooperative DS CDMA systems
... In this work, we propose buffer-aided DSTC schemes and relay pair algorithms for cooperative direct-sequence code-division multiple access (DS-CDMA) systems. Specifically, in the proposed cooperative ...
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Censored Distributed Space-Time Coding for Wireless Sensor Networks
... tributed space-time coding was proposed in ...Alamouti’s space-time block code (STBC) [12] and it is assumed that only two sensors are active randomly at any ...
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Performance of serially concatenated channel coding with space time block coding in OFDM transmission systems
... STBC, on the other hand, has simple decoding process with no coding gain. Thus it is highly recommended to use them in conjunction with channel coding. The advantage is that the design of the channel code ...
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Increased diversity space time coding using the diversity transform
... We consider a wireless communication system where the transmitter is equipped with n antennas and the receiver with m antennas. At each time slot t, complex symbols y t i , i = 1, 2, . . . , n, are transmitted ...
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