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Related papers: Rethinking Grant-Free Protocol in mMTC

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Subscription privacy of a user has been a historical concern with all the previous generation mobile networks, namely, GSM, UMTS,and LTE. While a little improvement have been achieved in securing the privacy of the long-term identity of a…

Cryptography and Security · Computer Science 2017-08-08 Mohsin Khan , Valtteri Niemi

This paper studies a cell-free massive multiple-input multiple-output (CF-mMIMO) proactive monitoring system in which multiple multi-antenna monitoring nodes (MNs) are assigned to either observe the transmissions from an untrusted…

Signal Processing · Electrical Eng. & Systems 2025-08-11 Isabella W. G. da Silva , Zahra Mobini , Hien Q. Ngo , Hyundong Shin , Michail Matthaiou

Nowadays, the IP Multimedia Subsystem (IMS) is a promising research field. Many ongoing works related to the security and the performances of its employment are presented to the research community. Although, the security and data privacy…

Cryptography and Security · Computer Science 2010-07-15 Mohamed Abid , Songbo Song , Hassnaa Moustafa , Hossam Afifi

Semi-device-independent quantum protocols realize information tasks - e.g. secure key distribution, random access coding, and randomness generation - in a scenario where no assumption on the internal working of the devices used in the…

Quantum Physics · Physics 2015-01-28 Michele Dall'Arno , Elsa Passaro , Rodrigo Gallego , Marcin Pawlowski , Antonio Acin

New applications in modern communications are demanding robust and ultra-reliable low latency information exchange such as machine-to-machine and human-to-machine communications. For many of these applications, the identification approach…

Signal Processing · Electrical Eng. & Systems 2024-06-27 Wafa Labidi , Christian Deppe , Holger Boche

We propose a novel joint activity, channel, and data estimation (JACDE) scheme for cell-free multiple-input multiple-output (MIMO) systems compliant with fifth-generation (5G) new radio (NR) orthogonal frequency-division multiplexing (OFDM)…

Signal Processing · Electrical Eng. & Systems 2020-09-29 Hiroki Iimori , Takumi Takahashi , Koji Ishibashi , Giuseppe Thadeu Freitas de Abreu , Wei Yu

In this paper, we study the trade-off between reliability and latency in machine type communication (MTC), which consists of single transmitter and receiver in the presence of Rayleigh fading channel. We assume that the transmitter does not…

Networking and Internet Architecture · Computer Science 2020-03-26 Fahad Qasmi , Mohammad Shehab , Hirley Alves , Matti Latva-aho

We consider the use of a domain proxy assisted private citizen broadband radio service (CBRS) network and propose a Maximum Transmission Continuity (MTC) scheme to transmit Internet of Things (IoT) data reliably. MTC dynamically allocates…

Networking and Internet Architecture · Computer Science 2023-10-24 Hsun-Yu Kuo , Szu-Yu Liu , Chin-Ya Huang , Yu-Chi Chen , Meng-Hua Xie

Formal methods for guaranteeing that a protocol satisfies a cryptographic security definition have advanced substantially, but such methods are still labor intensive and the need remains for an automated tool that can positively identify an…

Cryptography and Security · Computer Science 2024-03-13 Mako Bates , Joseph P. Near

We propose to use second order Reed-Muller (RM) sequence for user identification in 5G grant-free access. The benefits of RM sequences mainly lie in two folds, (i) support of much larger user space, hence lower collision probability and…

Information Theory · Computer Science 2018-01-17 Huazi Zhang , Rong Li , Jun Wang , Yan Chen , Zhaoyang Zhang

We propose an optimal MMSE precoding technique using quantized signals with constant envelope. Unlike the existing MMSE design that relies on 1-bit resolution, the proposed approach employs uniform phase quantization and the bounding step…

Information Theory · Computer Science 2021-05-26 Erico S. P. Lopes , Lukas T. N. Landau

This paper investigates the grant-free random access with massive IoT devices. By embedding the data symbols in the signature sequences, joint device activity detection and data decoding can be achieved, which, however, significantly…

Machine Learning · Computer Science 2020-01-29 Jialin Dong , Jun Zhang , Yuanming Shi , Jessie Hui Wang

Despite being more secure and strongly promoted, two-factor (2FA) or multi-factor (MFA) schemes either fail to protect against recent phishing threats such as real-time MITM, controls/relay MITM, malicious browser extension-based phishing…

Cryptography and Security · Computer Science 2024-06-14 Sneha Shukla , Gaurav Varshney , Shreya Singh , Swati Goel

Massive machine-type communications (mMTC) are poised to provide ubiquitous connectivity for billions of Internet-of-Things (IoT) devices. However, the required low-latency massive access necessitates a paradigm shift in the design of…

Information Theory · Computer Science 2021-08-24 Yikun Mei , Zhen Gao , Yongpeng Wu , Wei Chen , Jun Zhang , Derrick Wing Kwan Ng , Marco Di Renzo

The next wave of wireless technologies will proliferate in connecting sensors, machines, and robots for myriad new applications, thereby creating the fabric for the Internet of Things (IoT). A generic scenario for IoT connectivity involves…

Information Theory · Computer Science 2018-10-17 Liang Liu , Erik G. Larsson , Wei Yu , Petar Popovski , Cedomir Stefanovic , Elisabeth De Carvalho

The problem of quickest detection of a change in the mean of a sequence of independent observations is studied. The pre-change distribution is assumed to be stationary, while the post-change distributions are allowed to be non-stationary.…

Signal Processing · Electrical Eng. & Systems 2021-08-26 Yuchen Liang , Venugopal V. Veeravalli

This paper considers the joint channel estimation and device activity detection in the grant-free random access systems, where a large number of Internet-of-Things devices intend to communicate with a low-earth orbit satellite in a sporadic…

Signal Processing · Electrical Eng. & Systems 2022-08-10 Boxiao Shen , Yongpeng Wu , Jianping An , Chengwen Xing , Lian Zhao , Wenjun Zhang

Cellular networks that are traditionally designed for human-type communication (HTC) have the potential to provide cost effective connectivity to machine-type communication (MTC). However, MTC is characterized by unprecedented traffic in…

Signal Processing · Electrical Eng. & Systems 2022-09-28 Leatile Marata , Onel Luis Alcaraz López , Hamza Djelouat , Markus Leinonen , Hirley Alves , Markku Juntti

Secure quantum communication protocols based on a prepare-and-measure scheme employ mutually unbiased bases. In these protocols, many runs, in which different participants measure in different bases, simply go wasted. In this paper, we show…

Quantum Physics · Physics 2023-05-09 Rajni Bala , Sooryansh Asthana , V. Ravishankar

Wireless-based human activity recognition has become an essential technology that enables contact-free human-machine and human-environment interactions. In this paper, we consider contact-free multi-target tracking (MTT) based on available…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Chenglong Li , Sibren De Bast , Yang Miao , Emmeric Tanghe , Sofie Pollin , Wout Joseph