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The research community has already identified that, by 2030, 5G networks will reach the capacity limits, and hence, will be inadequate to support next generation bandwidth-hungry, ubiquitous, intelligent services, and applications.…

Networking and Internet Architecture · Computer Science 2022-11-07 Sridhar Iyer , Anita Patil , Shilpa Bhairanatti , Soumya Halagatti , Rahul Jashvantbhai Pandya

3D situational awareness is critical for any autonomous system. However, when operating underwater, environmental conditions often dictate the use of acoustic sensors. These acoustic sensors are plagued by high noise and a lack of 3D…

Robotics · Computer Science 2024-12-06 John McConnell , Ivana Collado-Gonzalez , Paul Szenher , Brendan Englot

Recently, deep learning enabled semantic communications have been developed to understand transmission content from semantic level, which realize effective and accurate information transfer. Aiming to the vision of sixth generation (6G)…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Zhengyu Zhang , Ruisi He , Mi Yang , Xuejian Zhang , Ziyi Qi , Yuan Yuan , Bo Ai

The purpose of this article is to bestow the reader with a timely study of UAV cellular communications, bridging the gap between the 3GPP standardization status quo and the more forward-looking research. Special emphasis is placed on the…

Information Theory · Computer Science 2018-04-24 Giovanni Geraci , Adrian Garcia-Rodriguez , Lorenzo Galati Giordano , David López-Pérez , Emil Björnson

Collaborative perception allows connected vehicles to overcome occlusions and limited viewpoints by sharing sensory information. However, existing approaches struggle to achieve high accuracy under strict bandwidth constraints and remain…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Sheng Xu , Enshu Wang , Hongfei Xue , Jian Teng , Bingyi Liu , Yi Zhu , Pu Wang , Libing Wu , Chunming Qiao

In this paper, the authors present a Radio Access Network (RAN) concept for future mobile communication systems beyond 5G. The concept is based on knowledge of the environment. The three conceptual applications RAN authentication, beam…

Networking and Internet Architecture · Computer Science 2023-07-18 Lukas Brechtel , Christof A. O. Rauber , Christoph Fischer

Semantic communication is widely touted as a key technology for propelling the sixth-generation (6G) wireless networks. However, providing effective semantic representation is quite challenging in practice. To address this issue, this…

Information Theory · Computer Science 2024-06-18 Jinke Ren , Zezhong Zhang , Jie Xu , Guanying Chen , Yaping Sun , Ping Zhang , Shuguang Cui

Sixth-generation (6G) wireless networks are expected to support immersive and mission-critical applications requiring ultra-reliable communication, sub-second responsiveness, and multi-Gbps data rates. Dense small-cell deployments are a key…

Networking and Internet Architecture · Computer Science 2026-03-13 Tuğçe Bilen , Ian F. Akyildiz

In the past decade, the adoption of compact 3D range sensors, such as LiDARs, has driven the developments of robust state-estimation pipelines, making them a standard sensor for aerial, ground, and space autonomy. Unfortunately, poor…

To explore the full potential of ultra-massive multiple-input multiple-output (MIMO) communication systems, it is fundamental to understand new ultra-massive MIMO channel characteristics and establish pervasive channel models. On this…

Information Theory · Computer Science 2025-01-22 Rui Feng , Cheng-Xiang Wang , Jie Huang , Xiqi Gao

Recent widespread applications for unmanned aerial vehicles (UAVs) -- from infrastructure inspection to urban logistics -- have prompted an urgent need for high-accuracy three-dimensional (3D) radio maps. However, existing methods designed…

Information Theory · Computer Science 2024-08-09 Xinwei Chen , Xiaofeng Zhong , Zijian Zhang , Linglong Dai , Shidong Zhou

Channel knowledge map (CKM) inference across base stations (BSs) is the key to achieving efficient environmentaware communications. This paper proposes an environmentaware cross-BS CKM inference method called BS-1-to-N based on the…

Signal Processing · Electrical Eng. & Systems 2025-08-01 Zhuoyin Dai , Di Wu , Yong Zeng , Xiaoli Xu , Xinyi Wang , Zesong Fei

Radio channel modeling is one of the most fundamental aspects in the process of designing, optimizing, and simulating wireless communication networks. In this field, long-established approaches such as analytical channel models and ray…

Networking and Internet Architecture · Computer Science 2021-12-16 Benjamin Sliwa , Melina Geis , Caner Bektas , Melisa Lopéz , Preben Mogensen , Christian Wietfeld

Semantic communications are expected to become the core new paradigms of the sixth generation (6G) wireless networks. Most existing works implicitly utilize channel information for codecs training, which leads to poor communications when…

Information Theory · Computer Science 2023-12-07 Lan Lin , Wenjun Xu , Fengyu Wang , Yimeng Zhang , Wei Zhang , Ping Zhang

Channel state information (CSI) is critical for multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) system. Pilot-based channel estimation methods suffer from high pilot overhead and low channel acquisition…

Signal Processing · Electrical Eng. & Systems 2026-05-11 Hongning Ruan , Zhaoyang Zhang , Zirui Chen , Ziqing Xing , Zhaohui Yang

We propose DepthTCM, a physics-aware end-to-end framework for depth map compression. In our framework of DepthTCM, the high-bit depth map is first converted to a conventional 3-channel image representation losslessly using a method inspired…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Young-Seo Chang , Yatong An , Jae-Sang Hyun

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao , Xiaohu You , Yang Hao

The Sixth Generation (6G) of mobile networks is expected to use carrier frequencies in the spectrum above 100 GHz, to satisfy the demands for higher data rates and bandwidth of future digital applications. The development of networking…

Networking and Internet Architecture · Computer Science 2021-10-14 Amir Ashtari Gargari , Michele Polese , Michele Zorzi

With abundant bandwidth resource, the Terahertz band (0.1~THz to 10~THz) is envisioned as a key technology to realize ultra-high data rates in the 6G and beyond mobile communication systems. However, moving to the THz band, existing channel…

Information Theory · Computer Science 2022-11-22 Yuanbo Li , Yiqin Wang , Yi Chen , Ziming Yu , Chong Han

\textit{Why does the literature consider the channel-state-information (CSI) as a 2/3-D image? What are the pros-and-cons of this consideration for accuracy-complexity trade-off?} Next generations of wireless communications require…

Information Theory · Computer Science 2020-01-22 Makan Zamanipour
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