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相关论文: Dual-Mode Time Domain Multiplexed Chirp Spread Spe…

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In this contribution, we consider a two-tiered network and focus on the coexistence between the two tiers at physical layer. We target our efforts on a long term evolution advanced (LTE-A) orthogonal frequency division multiple access…

信息论 · 计算机科学 2013-02-21 Marco Maso , Merouane Debbah , Lorenzo Vangelista

Differential distributed space-time coding (D-DSTC) technique has been considered for relay networks to provide both diversity gain and high throughput in the absence of channel state information. Conventional differential detection (CDD)…

信息论 · 计算机科学 2014-04-09 M. R. Avendi , Ha H. Nguyen , Nguyen Quoc-Tuan

Chirp waveform plays a significant role in radar and communication systems for its ability of pulse compression and spread spectrum. This paper presents a principle of orthogonally multiplexing a bank of linear chirp waveforms within the…

信息论 · 计算机科学 2016-01-26 Xing Ouyang , Jian Zhao

The rapid variation of the wireless channel (short channel coherence time) and the phase noise are two prominent concerns in Millimeter-wave (mmWave) and sub-Terahertz systems communication systems. Equalizing the channel effect and…

信息论 · 计算机科学 2025-09-03 Mohaned Chraiti , Ozgur Ercetin , Ali Ghrayeb , Ali Gorcin

Canonical Massive MIMO uses time division duplex (TDD) to exploit channel reciprocity within the coherence time, avoiding feedback of channel state information (CSI), as is required for precoding at the base station. We extend the idea of…

信息论 · 计算机科学 2018-04-18 Maximilian Arnold , Xiaojie Wang , Stephan ten Brink

Driven by the ultra-high throughput requirements of 6G, wireless communications are migrating to centimeter wave (cmWave) bands to overcome the limitations of current spectral resources. Massive multiple-input multiple-output (MIMO) and…

信号处理 · 电气工程与系统科学 2026-05-20 Ziqi Han , Ziwei Wan , Hengwei Zhang , Keke Ying , Chabalala S. Chabalala , Dapeng Li , Wei Wang , Zhen Gao

The recently proposed affine frequency division multiplexing (AFDM) is a new transmission waveform that has shown excellent performance in high-mobility environments, making it a sensible option for the next-generation wireless networks. In…

信息论 · 计算机科学 2025-07-15 Mi Qian , Fei Ji , Yao Ge , Miaowen Wen , Yong Liang Guan

Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By utilizing massive low-cost passive reflecting elements,…

信息论 · 计算机科学 2022-10-17 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

Integrated Sensing and Communication (ISAC) systems are recognised as one of the key ingredients of the sixth generation (6G) network. A challenging topic in ISAC is the design of a single waveform combining both communication and sensing…

In this paper, we propose a novel secure wireless transmission architecture that enables the co-existence of spatial field modulation (SFM) and digital bandpass modulation (DBM), utilizing multi-mode vortex waves and programmable…

信号处理 · 电气工程与系统科学 2025-12-24 Yufei Zhao , Deyu Lin , Qian Zhang , Haoyang Shi , Hong Niu , Afkar Mohamed Ismail , Yong Liang Guan , Chau Yuen

In this letter, a lightweight one-dimensional convolutional neural network (1-D CNN)-based timing synchronization (TS) method is proposed to reduce the computational complexity and processing delay and hold the timing accuracy in orthogonal…

信号处理 · 电气工程与系统科学 2022-09-15 Chaojin Qing , Shuhai Tang , Xi Cai , Jiafan Wang

This study proposes a radar-centric integrated sensing and communication (ISAC) system utilizing a two-layer modulation scheme for vehicular networks. Frequency-modulated continuous wave (FMCW) chirps are jointly modulated via phase…

信号处理 · 电气工程与系统科学 2026-05-25 Murat Temiz , Colin Horne , Matthew A. Ritchie , Christos Masouros

In this work, we propose the orthogonal delay-Doppler (DD) division multiplexing (ODDM) modulation with frequency modulated continuous wave (FMCW) (ODDM-FMCW) waveform to enable integrated sensing and communication (ISAC) with a low…

信号处理 · 电气工程与系统科学 2026-02-03 Kehan Huang , Akram Shafie , Min Qiu , Elias Aboutanios , Jinhong Yuan

The digital Subscriber Line (DSL) remains an important component of heterogeneous networking, especially in historic city-centers, where using optical fibre is less realistic. Recently, the power consumption has become an important…

信号处理 · 电气工程与系统科学 2019-07-02 Jiankang Zhang , Chao Xu , Tong Bai , Fasong Wang , Shida Zhong

With the explosion of data traffic triggered by 5G/6G and Generative artificial intelligence, coherent optical communication is moving towards higher baud rates and more complex modulation formats. This leads to a significant increase in…

信息论 · 计算机科学 2026-05-26 Yukun Zhang , Xiaoxue Gong , Weigang Hou , Xu Zhang , Lei Guo

Next-generation wireless networks are conceived to provide reliable and high-data-rate communication services for diverse scenarios, such as vehicle-to-vehicle, unmanned aerial vehicles, and satellite networks. The severe Doppler spreads in…

The rapid evolution of the International Mobile Telecommunications (IMT) landscape has prompted the International Telecommunications Union Working Party 5D (ITU WP5D) to outline the framework for IMT-2030 and beyond. This next-generation…

信号处理 · 电气工程与系统科学 2024-09-16 Koteswara Rao Gudimitla , Sibgath Ali Khan M , Kiran Kuchi

Orthogonal time frequency space (OTFS) modulation is a recently proposed multi-carrier transmission scheme, which innovatively multiplexes the information symbols in the delay-Doppler (DD) domain instead of the conventional time-frequency…

信息论 · 计算机科学 2022-08-26 Shuangyang Li

This paper proposes the use of a LoRa like chirp spread spectrum physical layer as the basis for a new Power Line Communication modulation scheme suited for low-bandwidth communication. It is shown that robust communication can be…

信号处理 · 电气工程与系统科学 2021-06-29 Stephen Robson , Abderrahmane Haddad

Spectrally efficient communication is studied for short-reach fiber-optic links with chromatic dispersion (CD) and receivers that employ direction-detection and oversampling. Achievable rates and symbol error probabilities are computed by…