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相关论文: A New Frequency-Bin-Index LoRa System for High-Dat…

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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

LoRa is a widely adopted method of utilizing chirp spread spectrum (CSS) techniques at the physical (PHY) layer to facilitate low-power wide-area network (LPWAN) connectivity. By tailoring the spreading factors, LoRa can achieve a diverse…

信号处理 · 电气工程与系统科学 2023-04-05 Ali Waqar Azim , Ahmad Bazzi , Raed Shubair , Marwa Chafii

Over the last few years we have witnessed an exponential growth in the adoption of LoRaWAN as LPWAN technology for IoT. While LoRaWAN offers many advantages, one of its limitations is the paltry data rate. Most IoT applications don't…

网络与互联网体系结构 · 计算机科学 2020-10-23 Moez Altayeb , Marco Zennaro , Ermanno Pietrosemoli , Pietro Manzoni

In this paper, a novel low complexity bit and power loading algorithm is formulated for orthogonal frequency division multiplexing (OFDM) systems operating in fading environments and in the presence of unknown interference. The proposed…

信号处理 · 电气工程与系统科学 2019-02-12 Ebrahim Bedeer , Mohamed F. Marey , Octavia A. Dobre , Mohamed H. Ahmed , Kareem E. Baddour

The limited bandwidth of optical wireless communication (OWC) front-end devices motivates the use of multiple-input-multiple-output (MIMO) techniques to enhance data rates. It is known that very high multiplexing gains could be achieved by…

信息论 · 计算机科学 2022-04-15 Anil Yesilkaya , Ardimas Andi Purwita , Erdal Panayirci , H. Vincent Poor , Harald Haas

This paper introduces a new and unified bit error rates performance analysis of space-time block codes (STBC) deployed in wireless systems with spatial diversity in generalized shadowed fading and noise scenarios. Specifically, we derive a…

信息论 · 计算机科学 2017-10-12 Ehab Salahat , Ali Hakam , Nazar Ali

This study proposes an index modulation (IM) technique for affine frequency division multiplexing (AFDM) signals and examines its communication and sensing performance toward integrated sensing and communication (ISAC) systems. The power…

信号处理 · 电气工程与系统科学 2025-12-23 Murat Temiz , Christos Masouros

The demands for high data rate, reliability, high energy efficiency, high spectral efficiency, and low latency communication have been increasing rapidly. For this reason, communication models that use limited resources in the best way,…

信号处理 · 电气工程与系统科学 2022-11-16 Burak Ahmet Ozden , Erdogan Aydin , Fatih Cogen

This paper proposes a novel spread spectrum and sub-carrier index modulation (SS-SIM) scheme, which is integrated to orthogonal frequency division multiplexing (OFDM) framework to enhance the diversity over the conventional IM schemes.…

Affine frequency division multiplexing (AFDM), tailored as a superior multicarrier technique utilizing chirp signals for high-mobility communications, is envisioned as a promising candidate for the sixth-generation (6G) wireless network.…

Current wireless communication technologies are insufficient in the face of ever-increasing demands. Therefore, novel and high-performance communication systems are needed. In this paper, a novel high data rate and high-performance index…

信号处理 · 电气工程与系统科学 2024-11-13 Burak Ahmet Ozden , Erdogan Aydin , Fatih Cogen

This paper proposes a high-throughput short reference differential chaos shift keying cooperative communication system with the aid of code index modulation, referred to as CIM-SR-DCSK-CC system. In the proposed CIM-SR-DCSK-CC system, the…

信息论 · 计算机科学 2022-08-30 Yi Fang , Wang Chen , Pingping Chen , Yiwei Tao , Mohsen Guizani

Named Data Networks provide a clean-slate redesign of the Future Internet for efficient content distribution. Because Internet of Things are expected to compose a significant part of Future Internet, most content will be managed by…

网络与互联网体系结构 · 计算机科学 2016-09-09 Cristina Muñoz , Liang Wang , Eduardo Solana , Jon Crowcroft

The paper is motivated by the importance of the Smart Cities (SC) concept for future management of global urbanization. Among all Internet of Things (IoT)-based communication technologies, Bluetooth Low Energy (BLE) plays a vital role in…

人工智能 · 计算机科学 2022-10-28 Mohammad Salimibeni , Arash Mohammadi

Blind modulation classification is an important step to implement cognitive radio networks. The multiple-input multiple-output (MIMO) technique is widely used in military and civil communication systems. Due to the lack of prior information…

机器学习 · 计算机科学 2020-04-02 Weiheng Jiang , Xiaogang Wu , Bolin Chen , Wenjiang Feng , Yi Jin

Radio frequency fingerprints (RFFs) enable secure wireless authentication but struggle in open-set scenarios with unknown devices and varying channels. Existing methods face challenges in generalization and incur high computational costs.…

信号处理 · 电气工程与系统科学 2026-04-15 Mingxi Zhang , Renjie Xie , Jincheng Wang , Guyue Li , Wei Xu

We propose a new class of information-coupled (IC) Turbo codes to improve the transport block (TB) error rate performance for long-term evolution (LTE) systems, while keeping the hybrid automatic repeat request protocol and the Turbo…

信息论 · 计算机科学 2017-09-21 Lei Yang , Yixuan Xie , Xiaowei Wu , Jinhong Yuan , Xingqing Cheng , Lei Wan

Optical wireless communication (OWC) has recently received massive interest as a new technology that can support the enormous data traffic increasing on daily basis. In particular, laser-based OWC networks can provide terabits per second…

In this study, a novel index modulation based communication system is proposed by combining the recently popular code index modulation-spread spectrum (CIM-SS) and reconfigurable intelligent surface (RIS) techniques. This technique is…

信号处理 · 电气工程与系统科学 2022-11-29 Fatih Cogen , Burak Ahmet Ozden , Erdogan Aydin , Nihat Kabaoglu

Several recent standards such as IEEE 802.11a/g, IEEE 802.16, and ECMA Multiband Orthogonal Frequency Division Multiplexing (MB-OFDM) for high data-rate Ultra-Wideband (UWB), employ bit-interleaved convolutionally-coded multicarrier…

信息论 · 计算机科学 2007-07-13 Chris Snow , Lutz Lampe , Robert Schober