Results 21 to 30 of about 904,518 (311)
L2 Orthogonal Space Time Code for Continuous Phase Modulation [PDF]
, 2008 To combine the high power efficiency of Continuous Phase Modulation (CPM) with either high spectral efficiency or enhanced performance in low Signal to Noise conditions, some authors have proposed to introduce CPM in a MIMO frame, by using Space Time ...
Deneire, Luc +2 more
core +4 more sources
Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets
EURASIP Journal on Wireless Communications and Networking, 2007 We consider the effect of imperfect carrier offset compensation on the performance of space-time block codes. The symbol error rate (SER) for orthogonal space-time block code (OSTBC) is derived here by taking into account the carrier offset and the ...
Vishwanath R +2 more
doaj +2 more sources
Quantum Codes in Classical Communication: A Space-Time Block Code From Quantum Error Correction
IEEE Open Journal of the Communications Society, 2021 We propose a general framework for noncoherent communication using techniques from the field of quantum error correction (QEC). We first propose an approach for analyzing a classical communication channel as a quantum channel, and develop an extension of
Travis C. Cuvelier +3 more
doaj +1 more source
OFDM based Distributed Space Time Coding for Asynchronous Relay Networks [PDF]
, 2008 Recently Li and Xia have proposed a transmission scheme for wireless relay networks based on the Alamouti space time code and orthogonal frequency division multiplexing to combat the effect of timing errors at the relay nodes. This transmission scheme is
Rajan, B. Sundar, Rajan, G. Susinder
core +3 more sources
System Performance of Concatenated STBC and Block Turbo Codes in Dispersive Fading Channels
EURASIP Journal on Advances in Signal Processing, 2005 A new scheme of concatenating the block turbo code (BTC) with the space-time block code (STBC) for an OFDM system in dispersive fading channels is investigated in this paper.
Kam Tai Chan, Yinggang Du
doaj +1 more source
IEEE Access, 2021 In cooperative relaying, intermediate stations are required to enhance the end-to-end transmission performance. The performance of the cooperative relaying scheme has been investigated theoretically and via computer simulations.
Hidekazu Murata +2 more
doaj +1 more source
Sub-Block Rearranged Staircase Codes for Optical Transport Networks [PDF]
arXiv, 2022 We propose a new family of spatially coupled product codes, called sub-block rearranged staircase (SR-staircase) codes. Each SR-staircase code block is constructed by encoding rearranged preceding code blocks and new information blocks, where the rearrangement involves sub-blocks decomposition and transposition. The proposed codes can be constructed to
arxiv
MacWilliams Type Identities for Linear Block Codes on Certain Pomsets [PDF]
arXiv, 2023 Pomset block metric is a generalization of pomset metric. In this paper, we define weight enumerator of linear block codes in pomset metric over $\mathbb{Z}_m$ and establish MacWilliams type identities for linear block codes with respect to certain pomsets. The relation between weight enumerators of two linear pomset block codes and their direct sum is
arxiv
Differential space-time block-coded OFDMA for frequency-selective fading channels [PDF]
, 2003 Combining differential Alamouti space-time block code (DASTBC) with orthogonal frequency-division multiple access (OFDMA), this paper introduces a multiuser/multirate transmission scheme, which allows full-rate and full-diversity noncoherent ...
Cai, W, Chen, Z, Ni, Q, Zhu, G
core +1 more source
Advanced Engineering Materials, EarlyView., 2023 This study aims to explore the feasibility of using a structure inspired by the features of horsetail and human spine as the potential helmet liner, targeting at mitigation of accelerationâinduced injuries. A parametric study is conducted to investigate the effect of individual geometrical variables in the design, indicating its capability to reduce ...
Bing Leng +3 more
wiley +1 more source