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This paper studies a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) networked integrated sensing and communication (ISAC) system, in which multiple base stations (BSs) perform beam tracking to…

Networking and Internet Architecture · Computer Science 2025-08-19 Xiaoyu Yang , Zhiqing Wei , Jie Xu , Huici Wu , Zhiyong Feng

The fifth generation of cellular communication systems is foreseen to enable a multitude of new applications and use cases with very different requirements. A new 5G multiservice air interface needs to enhance broadband performance as well…

This paper proposes a unified semi-blind detection framework for sourced and unsourced random access (RA), which enables next-generation ultra-reliable low-latency communications (URLLC) with massive devices. Specifically, the active…

Information Theory · Computer Science 2023-03-21 Malong Ke , Zhen Gao , Mingyu Zhou , Dezhi Zheng , Derrick Wing Kwan Ng , H. Vincent Poor

Existing integrated sensing and communication (ISAC) platforms fail to fully utilize the shared spectrum and aperture resources for sensing, resulting in poor sensing performance. Specifically, weak target sensing on the ISAC platform, such…

Signal Processing · Electrical Eng. & Systems 2026-03-13 Zhuoyang Liu , Yixiang Luomei , Feng Xu

The advancement of Internet-of-Things (IoT) edge devices with various types of sensors enables us to harness diverse information with Mobile Crowd-Sensing applications (MCS). This highly dynamic setting entails the collection of ubiquitous…

Cryptography and Security · Computer Science 2018-05-29 Nikhil Banerjee , Thanassis Giannetsos , Emmanouil Panaousis , Clive Cheong Took

In this paper, we design the multi-class privacy$\text{-}$preserving cloud computing scheme (MPCC) leveraging compressive sensing for compact sensor data representation and secrecy for data encryption. The proposed scheme achieves two-class…

Cryptography and Security · Computer Science 2020-11-12 Gajraj Kuldeep , Qi Zhang

Device activity detection is one main challenge in grant-free massive access, which is recently proposed to support massive machine-type communications (mMTC). Existing solutions for device activity detection fail to consider inter-cell…

Information Theory · Computer Science 2021-06-22 Dongdong Jiang , Ying Cui

Integrated sensing and communication (ISAC) is widely recognized as a pivotal enabling technique for the advancement of future wireless networks. This paper aims to efficiently exploit the inherent sparsity of echo signals for the…

Information Theory · Computer Science 2024-01-01 Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

Data acquisition from a multi-hop large-scale outdoor wireless sensor network (WSN) deployment for environmental monitoring is full of challenges. This is because the severe resource constraints on small battery-operated motes (e.g.,…

Networking and Internet Architecture · Computer Science 2017-09-11 Yimei Li , Yao Liang

The advent of the sixth-generation (6G) of wireless communications has given rise to the necessity to connect vast quantities of heterogeneous wireless devices, which requires advanced system capabilities far beyond existing network…

Information Theory · Computer Science 2023-11-14 Zhen Gao , Malong Ke , Yikun Mei , Li Qiao , Sheng Chen , Derrick Wing Kwan Ng , H. Vincent Poor

In modern smart systems, the convergence of the Internet of Things (IoT) and Wireless of Things (WoT) have been revolutionized by offering a broad level of wireless connectivity and communication among various devices. Hitherto, this…

Cryptography and Security · Computer Science 2025-09-16 Prokash Barman , Ratul Chowdhury , Banani Saha

With the increasing number of Internet of Things (IoT) devices, Machine Type Communication (MTC) has become an important use case of the Fifth Generation (5G) communication systems. Since MTC devices are mostly disconnected from Base…

Networking and Internet Architecture · Computer Science 2022-01-14 Junseok Kim , Seongwon Kim , T. Taleb , Sunghyun Choi

To fully utilize the spatial multiplexing gains or array gains of massive MIMO, the channel state information must be obtained at the transmitter side (CSIT). However, conventional CSIT estimation approaches are not suitable for FDD massive…

Information Theory · Computer Science 2015-06-19 Xiongbin Rao , Vincent K. N. Lau

We propose efficient and low-complexity multiuser detection (MUD) algorithms for Gaussian multiple access channel (G-MAC) for short-packet transmission in massive machine type communications. To do so, we first formulate the G-MAC MUD…

Information Theory · Computer Science 2024-03-26 Mostafa Mohammadkarimi , Masoud Ardakani

This paper revisits the identity detection problem under the current grant-free protocol in massive machine-type communications (mMTC) by asking the following question: for stable identity detection performance, is it enough to permit…

Information Theory · Computer Science 2024-04-26 Minhao Zhu , Yifei Sun , Lizhao You , Zhaorui Wang , Ya-Feng Liu , Shuguang Cui

Leveraging massive numbers of sensors in user equipment as well as opportunistic human mobility, mobile crowd sensing (MCS) has emerged as a powerful paradigm, where prolonging battery life of constrained devices and motivating human…

Information Theory · Computer Science 2018-03-06 Xiaoyang Li , Changsheng You , Sergey Andreev , Yi Gong , Kaibin Huang

Tracking specific targets, such as pedestrians and vehicles, has been the focus of recent vision-based multitarget tracking studies. However, in some real-world scenarios, unseen categories often challenge existing methods due to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Zewei Wu , Longhao Wang , Cui Wang , César Teixeira , Wei Ke , Zhang Xiong

Narrow-band Internet of Things (NB-IoT) is a low-power wide-area network (LPWAN) method that was first launched by the 3rd generation partnership project (3GPP) Rel- 13 with the purpose of enabling low-cost, low-power and wide-area cellular…

Signal Processing · Electrical Eng. & Systems 2023-12-01 Abdulwahid Mohammed , Mohammed. S. El-Bakry , Hassan Mostafa , Abd El-Hady. A. Ammar

We consider a multi-hop wireless sensor network that measures sparse events and propose a simple forwarding protocol based on Compressed Sensing (CS) which does not need any sophisticated Media Access Control (MAC) scheduling, neither a…

Other Computer Science · Computer Science 2012-08-08 Megumi Kaneko , Khaldoun Al Agha

As a promising architecture, Mobile Data Collector (MDC) enhanced Internet of Things (IoT) exhibits broad prospects in efficient data collection and data aggregation especially for sparse deployment scenarios. Combining the tools from…

Networking and Internet Architecture · Computer Science 2023-12-27 Hongguang Sun , Yajun Ma , Tony Q. S. Quek , Xijun Wang , Kun Guo , Hongming Zhang