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In this paper, a novel modulation scheme called set partition modulation (SPM) is proposed. In this scheme, set partitioning and ordered subsets in the set partitions are used to form codewords. We define different SPM variants and depict a…

信号处理 · 电气工程与系统科学 2019-10-25 Ferhat Yarkin , Justin P. Coon

The integration of LoRa technologies with mesh topologies represents a robust alternative for off-grid communications in emergency scenarios within smart cities. Meshtastic firmware implements a decentralised mesh network over LoRa where…

网络与互联网体系结构 · 计算机科学 2026-05-19 Guillermo Antonio Hernandez Ortiz , Edgar Santiago Quiroz Puentes , José de Jesús Rugeles

Non-orthogonal multiple access (NOMA) is envisioned as an efficient candidate for future communication systems. This letter proposes a novel orthogonal frequency division multiplexing (OFDM) with index modulation (IM)-based NOMA scheme,…

信号处理 · 电气工程与系统科学 2020-04-20 Emre Arslan , Ali Tugberk Dogukan , Ertugrul Basar

Millimeter Waves (mmWave) systems have the potential of enabling multi-gigabit-per-second communications in future Intelligent Transportation Systems (ITSs). Unfortunately, because of the increased vehicular mobility, they require frequent…

网络与互联网体系结构 · 计算机科学 2022-09-05 Ioannis Mavromatis , Andrea Tassi , Robert J. Piechocki , Andrew Nix

Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) is the new physical layer designed to address extremely long-range and large-scale communication scenarios, such as satellite IoT. At its core is a fast frequency hopping technique…

网络与互联网体系结构 · 计算机科学 2020-12-11 Guillem Boquet , Pere Tuset-Peiro , Ferran Adelantado , Thomas Watteyne , Xavier Vilajosana

In the world of Internet of Things (IoT), obtaining the physical location of devices has always been a task of great interest for developing increasingly complex location-based services (LBS). That is why in recent years wireless…

信号处理 · 电气工程与系统科学 2024-01-31 V. Barral Vales , O. C. Fernández , T. Domínguez-Bolaño , C. J. Escudero , José A. García-Naya

In conventional secure precise wireless transmission (SPWT), fully digital beamforming (FDB) has a high secrecy performance in transmit antenna system, but results in a huge RF-chain circuit budget for medium-scale and large-scale systems.…

信号处理 · 电气工程与系统科学 2019-10-29 Tong Shen , Yan Lin , Jun Zou , Yongpeng Wu , Feng Shu , Jiangzhou Wang

Fountain codes are becoming increasingly important for data transferring over dedicated high-speed long-distance network. However, the encoding and decoding complexity of traditional fountain codes such as LT and Raptor codes are still…

网络与互联网体系结构 · 计算机科学 2013-05-13 Jianxin Liao , Lei Zhang , Xiaomin Zhu , Jingyu Wang , Minyan Liao

An efficient scheme for initial ranging has recently been proposed by X. Fu et al. in the context of orthogonal frequency-division multiple-access (OFDMA) networks based on the IEEE 802.16e-2005 standard. The proposed solution aims at…

信息论 · 计算机科学 2016-11-17 Luca Sanguinetti , Michele Morelli , H. Vincent Poor

Addressing the challenges of deploying large language models in wireless communication networks, this paper combines low-rank adaptation technology (LoRA) with the splitfed learning framework to propose the federated split learning for…

网络与互联网体系结构 · 计算机科学 2024-07-15 Kai Zhao , Zhaohui Yang , Chongwen Huang , Xiaoming Chen , Zhaoyang Zhang

Low Earth Orbit (LEO) satellites are being extensively researched in the development of secure Internet of Remote Things (IoRT). In scenarios with miniaturized terminals, the limited transmission power and long transmission distance often…

信号处理 · 电气工程与系统科学 2023-09-27 Pingyue Yue , Yixuan Li , Yue Li , Rui Zhang , Shuai Wang , Jianping An

Low power wide area network technologies (LPWANs) are attracting attention because they fulfill the need for long range low power communication for the Internet of Things. LoRa is one of the proprietary LPWAN physical layer (PHY)…

信息论 · 计算机科学 2019-02-21 Reza Ghanaatian , Orion Afisiadis , Matthieu Cotting , Andreas Burg

Frequency-encoded quantum information offers intriguing opportunities for quantum communications and networking, with the quantum frequency processor paradigm -- based on electro-optic phase modulators and Fourier-transform pulse shapers --…

In this paper, we analyze the performance of a two- way subcarrier intensity-modulated (SIM) amplify-and-forward (AF) relaying system over free-space optics (FSO) communication channels. The analysis takes into consideration attenuations…

信息论 · 计算机科学 2017-08-18 Jaedon Park , Chan-Byoung Chae , Giwan Yoon

In the beginning of 21st century there has been a dramatic shift in the market dynamics of telecommunication services. The transmission from base station to mobile or downlink transmission using M-ary Quadrature Amplitude modulation (QAM)…

其他计算机科学 · 计算机科学 2010-03-30 M. A. Masud , M. Samsuzzaman , M. A. Rahman

Low-complexity improved-throughput generalised spatial modulation (LCIT-GSM) is proposed. More explicitly, in GSM, extra information bits are conveyed implicitly by activating a fixed number $N_{a}$ out of $N_{t}$ transmit antennas (TAs) at…

信息论 · 计算机科学 2021-07-28 Jiancheng An , Chao Xu , Yusha Liu , Lu Gan , Lajos Hanzo

Many applications which run on the Internet-of-Things machines require similar bandwidths. These machines are equipped with multiple Radio Frequency (RF) interfaces for machine-to-machine or machine-to-Base Station(BS) communications. Joint…

网络与互联网体系结构 · 计算机科学 2022-04-04 Monireh Allah Gholi Ghasri , Ali Mohammad Afshin Hemmatyar

Full-rate space-time block codes (STBCs) achieve high spectral-efficiency by transmitting linear combinations of information symbols through every transmit antenna. However, the coefficients used for the linear combinations, if not chosen…

信息论 · 计算机科学 2013-03-18 J. Harshan , Emanuele Viterbo

In this paper, we consider an non-ideal successive interference cancellation (SIC) receiver based imperfect non-orthogonal multiple access (NOMA) schemes whose performance is limited by three factors: 1) Power disparity \& sensitivity…

网络与互联网体系结构 · 计算机科学 2018-12-04 Abdulkadir Celik , Ming-Cheng Tsai , Redha M. Radaydeh , Fawaz S. Al-Qahtani , Mohamed-Slim Alouini

Multiple-input multiple-output orthogonal frequency division multiplexing with index modulation (MIMO-OFDM-IM) is a novel multicarrier transmission technique which has been proposed recently as an alternative to classical MIMO-OFDM. In this…

信息论 · 计算机科学 2016-04-26 Ertugrul Basar