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相关论文: Quasi-Orthogonal STBC With Minimum Decoding Comple…

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In this paper, we present a belief propagation (BP) based algorithm for decoding non-orthogonal space-time block codes (STBC) from cyclic division algebras (CDA) having {\em large dimensions}. The proposed approach involves message passing…

信息论 · 计算机科学 2009-01-14 Madhekar Suneel , Pritam Som , A. Chockalingam , B. Sundar Rajan

A construction of a new family of distributed space time codes (DSTCs) having full diversity and low Maximum Likelihood (ML) decoding complexity is provided for the two phase based cooperative diversity protocols of Jing-Hassibi and the…

信息论 · 计算机科学 2007-07-13 G. Susinder Rajan , Anshoo Tandon , B. Sundar Rajan

For any $n_t$ transmit, $n_r$ receive antenna ($n_t\times n_r$) MIMO system in a quasi-static Rayleigh fading environment, it was shown by Elia et al. that linear space-time block code-schemes (LSTBC-schemes) which have the non-vanishing…

信息论 · 计算机科学 2013-04-30 K. Pavan Srinath , B. Sundar Rajan

This paper presents a computationally efficient decoder for multiple antenna systems. The proposed algorithm can be used for any constellation (QAM or PSK) and any labeling method. The decoder is based on matrix-lifting Semi-Definite…

信息论 · 计算机科学 2007-09-12 Amin Mobasher , Amir K. Khandani

In this letter, we consider intensity modulation/direct detection (IM/DD) channel in the visible light communication (VLC) systems with multiple transmitter phosphor-based white light emitting diodes (LED) and single receiver avalanche…

信息论 · 计算机科学 2015-09-25 Yan-Yu Zhang , Hong-Yi Yu , Yi-Jun Zhu , Jin-Long Wang

Ambient backscatter communication (AmBC) leverages the existing ambient radio frequency (RF) environment to implement communication with battery-free devices. The key challenge in the development of AmBC is the very weak RF signals…

信号处理 · 电气工程与系统科学 2021-08-24 Wenjing Liu , Shanpu Shen , Danny H. K. Tsang , Ross Murch

High data-rate Distributed Orthogonal Space-Time Block Codes (DOSTBCs) which achieve the single-symbol decodability and full diversity order are proposed in this paper. An upper bound of the data-rate of the DOSTBC is derived and it is…

信息论 · 计算机科学 2009-08-10 Zhihang Yi , Il-Min Kim

Slow fading broadcast channels can model a wide range of applications in wireless networks. Due to delay requirements and the unavailability of the channel state information at the transmitter (CSIT), these channels for many applications…

信息论 · 计算机科学 2019-07-23 Hossein Khoshnevis , Ian Marsland , Hamid Jafarkhani , Halim Yanikomeroglu

Reducing computational complexity of the modern wireless communication systems such as massive Multiple-Input Multiple-Output (MIMO) configurations is of utmost interest. In this paper, we propose new algorithm that can be used to…

信息论 · 计算机科学 2022-08-24 Seyed Hosein Mousavi , Jafar Pourrostam

In this paper, a novel low-complexity detection algorithm for spatial modulation (SM), referred to as the minimum-distance of maximum-length (m-M) algorithm, is proposed and analyzed. The proposed m-M algorithm is a smart searching method…

信息论 · 计算机科学 2019-07-22 Ibrahim Al-Nahhal , Ertugrul Basar , Octavia A. Dobre , Salama Ikki

In this paper we consider optimal multiuser downlink beamforming in the presence of a massive number of arbitrary quadratic shaping constraints. We combine beamforming with full-rate high dimensional real-valued orthogonal space time block…

信息论 · 计算机科学 2015-10-28 Ka Lung Law , Xin Wen , Minh Thanh Vu , Marius Pesavento

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…

信息论 · 计算机科学 2008-12-18 Matthias Hesse , Jerome Lebrun , Luc Deneire

Future wireless networks are envisioned to employ multiple-input multiple-output (MIMO) transmissions with large array sizes, and therefore, the adoption of complexity-scalable transceiver becomes important. In this paper, we propose a…

信号处理 · 电气工程与系统科学 2025-04-15 Jie Yang , Wanchen Hu , Yi Jiang , Shuangyang Li , Xin Wang , Derrick Wing Kwan Ng , Giuseppe Caire

We propose blind adaptive multi-input multi-output (MIMO) linear receivers for DS-CDMA systems using multiple transmit antennas and space-time block codes (STBC) in multipath channels. A space-time code-constrained constant modulus (CCM)…

信息论 · 计算机科学 2013-01-01 Rodrigo C. de Lamare , Raimundo Sampaio-Neto

The maximal rate for non-square Complex Orthogonal Designs (CODs) with $n$ transmit antennas is ${1/2}+\frac{1}{n}$ if $n$ is even and ${1/2}+\frac{1}{n+1}$ if $n$ is odd, which are close to 1/2 for large values of $n.$ A class of maximal…

信息论 · 计算机科学 2008-07-28 Smarajit Das , B. Sundar Rajan

Ultra-reliable low-latency communications (URLLC) demand high-performance error-correcting codes and decoders in the finite blocklength regime. This letter introduces a novel two-stage near-maximum likelihood (near-ML) decoding framework…

信号处理 · 电气工程与系统科学 2026-02-10 Yubeen Jo , Geon Choi , Yongjune Kim , Namyoon Lee

Combined with space-time coding, the orthogonal frequency division multiplexing (OFDM) system explores space diversity. It is a potential scheme to offer spectral efficiency and robust high data rate transmissions over frequency-selective…

计算与语言 · 计算机科学 2010-02-18 Raungrong Suleesathira

For an $n_t$ transmit, $n_r$ receive antenna system ($n_t \times n_r$ system), a {\it{full-rate}} space time block code (STBC) transmits $n_{min} = min(n_t,n_r)$ complex symbols per channel use. The well known Golden code is an example of a…

信息论 · 计算机科学 2015-03-17 K. Pavan Srinath , B. Sundar Rajan

This paper presents a highly robust space-frequency block coded (SFBC) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system. The proposed system is based on applying a short block length Walsh…

信息论 · 计算机科学 2012-08-16 F. Kalbat , A. Al-Dweik

Recently, a special class of complex designs called Training-Embedded Complex Orthogonal Designs (TE-CODs) has been introduced to construct single-symbol Maximum Likelihood (ML) decodable (SSD) distributed space-time block codes (DSTBCs)…

信息论 · 计算机科学 2009-09-15 J. Harshan , B. Sundar Rajan , Are Hjørungnes