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When the Channel State Information (CSI) is known by both the transmitter and the receiver, beamforming techniques employing Singular Value Decomposition (SVD) are commonly used in Multiple-Input Multiple-Output (MIMO) systems. Without…

信息论 · 计算机科学 2013-07-02 Boyu Li , Ender Ayanoglu

The orthogonal delay-Doppler (DD) division multiplexing(ODDM) modulation has been recently proposed as a promising modulation scheme for next-generation communication systems with high mobility. Despite its benefits, ODDM modulation and…

信号处理 · 电气工程与系统科学 2024-12-24 Yiyan Ma , Akram Shafie , Jinhong Yuan , Guoyu Ma , Zhangdui Zhong , Bo Ai

Thanks to its superior features of fast read/write speed and low power consumption, spin-torque transfer magnetic random access memory (STT-MRAM) has become a promising non-volatile memory (NVM) technology that is suitable for many…

信息论 · 计算机科学 2024-10-10 Xingwei Zhong , Kui Cai , Zhen Mei , Tony Q. S. Quek

Very recently, we proposed the row-monomial distributed orthogonal space-time block codes (DOSTBCs) and showed that the row-monomial DOSTBCs achieved approximately twice higher bandwidth efficiency than the repetitionbased cooperative…

信息论 · 计算机科学 2007-08-27 Zhihang Yi , Il-Min Kim

In this paper, we propose a partial interference cancellation (PIC) group decoding for linear dispersive space-time block codes (STBC) and a design criterion for the codes to achieve full diversity when the PIC group decoding is used at the…

信息论 · 计算机科学 2008-05-20 Xiaoyong Guo , Xiang-Gen Xia

This paper proposes an efficient identification algorithm for spatial multiplexing (SM) and Alamouti (AL) coded orthogonal frequency division multiplexing (OFDM) signals. The cross-correlation between the received signals from different…

信息论 · 计算机科学 2016-12-12 Yahia A. Eldemerdash , Octavia A. Dobre , Bruce J. Liao

In this paper, a design criterion for space-time block codes (STBC) is proposed for two-user MIMO interference channels when a group zero-forcing (ZF) algorithm is applied at each receiver to eliminate the inter-user interference. Based on…

信息论 · 计算机科学 2012-09-27 Long Shi , Wei Zhang , Xiang-Gen Xia

We introduce a novel scheme for one-way quantum computing (QC) based on the use of information encoded qubits in an effective cluster state resource. With the correct encoding structure, we show that it is possible to protect the entangled…

量子物理 · 物理学 2009-11-13 M. S. Tame , M. Paternostro , M. S. Kim

The perfect space-time block codes (STBCs) are based on four design criteria - full-rateness, non-vanishing determinant, cubic shaping and uniform average transmitted energy per antenna per time slot. Cubic shaping and transmission at…

信息论 · 计算机科学 2012-12-12 K. Pavan Srinath , B. Sundar Rajan

-DVB-T2 was the first industrial standard deploying rotated and cyclic Q delayed (RCQD)modulation to improve performance over fading channels. This enablesimportantgains compared toconventional quadrature amplitude modulations(QAM) under…

信息论 · 计算机科学 2015-11-05 Jianxiao Yang , Wan Kai , Benoit Geller , Charbel Abdel Nour , Olivier Rioul , Catherine Douillard

Delay-Doppler alignment modulation (DDAM) is a novel technique to mitigate time-frequency doubly selective channels by leveraging the high spatial resolution offered by large antenna arrays and multi-path sparsity of millimeter wave…

信号处理 · 电气工程与系统科学 2024-07-09 Xianda Liu , Zhiwen Zhou , Zhiqiang Xiao , Yong Zeng

This letter proposes a Message Passing (MP) based algorithm for demodulating the time-encoded digital modulation signal. The proposed algorithm processes the spikes generated by the Time-Encoding Machine (TEM) directly on a per-spike basis,…

信号处理 · 电气工程与系统科学 2025-12-09 Yuan Xu , Wenhui Xiong

Signal identification represents the task of a receiver to identify the signal type and its parameters, with applications to both military and commercial communications. In this paper, we investigate the identification of spatial…

信息论 · 计算机科学 2016-12-14 Yahia A. Eldemerdash , Octavia A. Dobre

Spatiotemporal and motion features are two complementary and crucial information for video action recognition. Recent state-of-the-art methods adopt a 3D CNN stream to learn spatiotemporal features and another flow stream to learn motion…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Boyuan Jiang , Mengmeng Wang , Weihao Gan , Wei Wu , Junjie Yan

We introduce Decision Tree Decoders (DTDs), which rely only on the sparsity of the binary check matrix, making them broadly applicable for decoding any quantum low-density parity-check (qLDPC) code and fault-tolerant quantum circuits. DTDs…

量子物理 · 物理学 2025-02-25 Kai R. Ott , Bence Hetényi , Michael E. Beverland

This letter investigates the problem of blind detection of orthogonal space-time block codes (OSTBC) over a quasi-static flat multiple-input multiple-output (MIMO) Rayleigh fading channel. We first introduce a core iterative least-squares…

信息论 · 计算机科学 2016-11-15 Xiaowen Tian , Ming Li , Guangyu Ti , Wenfei Liu

We consider probabilistic shaping to maximize the achievable information rate of coded modulation (CM) with hard decision decoding. The proposed scheme using binary staircase codes outperforms its uniform CM counterpart by more than 1.3 dB…

信息论 · 计算机科学 2017-05-08 Alireza Sheikh , Alexandre Graell i Amat , Gianluigi Liva

Recently, coherent digital subcarrier multiplexing (DSCM) technology has become an attractive solution for next-generation ultra-high-speed datacenter interconnects (DCIs). To meet the requirements of low-cost and low-power consumption in…

信号处理 · 电气工程与系统科学 2024-07-16 Wei Wang , Dongdong Zou , Weihao Ni , Fan Li

As wireless communication systems look intently to compose the transition from voice communication to interactive Internet data, achieving higher bit rates becomes both increasingly desirable and challenging. Space-time coding (STC) is a…

信息论 · 计算机科学 2010-04-13 C. V. Seshaiah , S. Nagarani

"Extended Clifford algebras" are introduced as a means to obtain low ML decoding complexity space-time block codes. Using left regular matrix representations of two specific classes of extended Clifford algebras, two systematic algebraic…

信息论 · 计算机科学 2016-11-17 G. Susinder Rajan , B. Sundar Rajan
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