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Cell discovery is the procedure in which a user equipment (UE) finds a suitable base station (BS) to establish a communication link. When beamforming with antenna arrays is done at both transmitter and receiver, cell discovery in mm wave…

Signal Processing · Electrical Eng. & Systems 2021-12-01 Rashmi P , Manoj A , Arun Pachai Kannu

Millimeter wave (mmWave) holds promise as a carrier frequency for fifth generation cellular networks. Because mmWave signals are sensitive to blockage, prior models for cellular networks operated in the ultra high frequency (UHF) band do…

Information Theory · Computer Science 2014-10-21 Tianyang Bai , Robert W. Heath

Millimetre-wave (mmWave) technology is a promising candidate for meeting the intensifying demand for ultra fast wireless connectivity, especially in high-end enterprise networks. Very narrow beam forming is mandatory to mitigate the severe…

Networking and Internet Architecture · Computer Science 2018-02-02 Nicolo Facchi , Francesco Gringoli , Paul Patras

Accurate beam alignment is essential for beam-based millimeter wave communications. Conventional beam sweeping solutions often have large overhead, which is unacceptable for mobile applications like vehicle-to-everything. Learning-based…

Information Theory · Computer Science 2024-10-30 Vutha Va , Takayuki Shimizu , Gaurav Bansal , Robert W. Heath

Beamforming techniques are considered as essential parts to compensate severe path losses in millimeter-wave (mmWave) communications. In particular, these techniques adopt large antenna arrays and formulate narrow beams to obtain…

Networking and Internet Architecture · Computer Science 2025-04-09 Muhammad Baqer Mollah , Honggang Wang , Mohammad Ataul Karim , Hua Fang

Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the microwave signals currently used in most wireless applications. MmWave systems must therefore leverage large antenna arrays, made possible by the…

Information Theory · Computer Science 2016-11-18 Omar El Ayach , Sridhar Rajagopal , Shadi Abu-Surra , Zhouyue Pi , Robert W. Heath

Availability of abundant spectrum has enabled millimeter wave (mm-wave) as a prominent candidate solution for the next generation cellular networks. Highly directional transmissions are essential for exploitation of mm-wave bands to…

Information Theory · Computer Science 2017-09-26 Yilin Li , Jian Luo , Mario Castaneda , Richard Stirling-Gallacher , Wen Xu , Giuseppe Caire

Millimeter wave (mmWave) communication is one feasible solution for high data-rate applications like vehicular-to-everything communication and next generation cellular communication. Configuring mmWave links, which can be done through…

Information Theory · Computer Science 2017-03-01 Anum Ali , Nuria González-Prelcic , Robert W. Heath

IEEE 802.11ad standard uses analog beamforming for high-speed directional communication with mobile user (MU) in the millimeter wave (mmWave) spectrum. However, the lengthy beam alignment procedures involving large data packets between the…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Jai Mangal , Kshitiz Joshi , Krishna Neel Reddy , Soumya Jain , Shobha Sundar Ram , Sumit J. Darak

Beam alignment (BA) is to ensure the transmitter and receiver beams are accurately aligned to establish a reliable communication link in millimeter-wave (mmwave) systems. Existing BA methods search the entire beam space to identify the…

Signal Processing · Electrical Eng. & Systems 2019-09-10 Wen Wu , Nan Cheng , Ning Zhang , Peng Yang , Weihua Zhuang , Xuemin , Shen

Millimeter-wave will be a key technology in next-generation wireless networks thanks to abundant bandwidth availability. However, the use of large antenna arrays with beamforming demands precise beam-alignment between transmitter and…

Information Theory · Computer Science 2018-12-11 Muddassar Hussain , Nicolo Michelusi

Rapid beam alignment is required to support high gain millimeter wave (mmW) communication links between a base station (BS) and mobile users (MU). The standard IEEE 802.11ad protocol enables beam alignment at the BS and MU through a lengthy…

Signal Processing · Electrical Eng. & Systems 2022-09-12 Akanksha Sneh , Soumya Jain , V Sri Sindhu , Shobha Sundar Ram , Sumit Darak

Millimeter wave (mmWave) communications have recently attracted large research interest, since the huge available bandwidth can potentially lead to rates of multiple Gbps (gigabit per second) per user. Though mmWave can be readily used in…

Millimeter-wave (mmWave) communications rely on directional transmissions to overcome severe path loss. Nevertheless, the use of narrow beams complicates the initial access procedure and increase the latency as the transmitter and receiver…

Information Theory · Computer Science 2018-12-04 Yanpeng Yang , Hossein S. Ghadikolaei , Carlo Fischione , Marina Petrova , Ki Won Sung

The use of millimeter wave (mmWave) spectrum for commercial wireless communications is expected to offer data rates in the order of Gigabits-per-second, thus able to support future applications such as Vehicle-to-Vehicle or…

Signal Processing · Electrical Eng. & Systems 2020-02-20 Anastasios Dimas , Dionysios S. Kalogerias , Athina P. Petropulu

The millimeter wave (mmWave) frequencies offer the potential of orders of magnitude increases in capacity for next-generation cellular wireless systems. However, links in mmWave networks are highly susceptible to blocking and may suffer…

Networking and Internet Architecture · Computer Science 2018-03-06 Marco Giordani , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

Next generation communication systems require accurate beam alignment to counteract the impairments that characterize propagation in high-frequency bands. The overhead of the pilot sequences required to select the best beam pair is…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Tien Ngoc Ha , Daniel Romero , Roberto López-Valcarce

Directional modulation (DM), as an efficient secure transmission way, offers security through its directive property and is suitable for line-of-propagation (LoP) channels such as millimeter wave (mmWave) massive multiple-input…

Information Theory · Computer Science 2018-03-28 Feng Shu , Yaolu Qin , Riqing Chen , Ling Xu , Tong Shen , Siming Wan , Shi Jin , Jiangzhou Wang , Xiaohu You

Millimeter wave (mmWave) beam-tracking based on machine learning enables the development of accurate tracking policies while obviating the need to periodically solve beam-optimization problems. However, its applicability is still arguable…

Machine Learning · Computer Science 2021-07-13 Masao Shinzaki , Yusuke Koda , Koji Yamamoto , Takayuki Nishio , Masahiro Morikura , Yushi Shirato , Daisei Uchida , Naoki Kita

Modern millimeter wave (mmWave) transceivers come with a large number of antennas, each of which can support thousands of phase shifter configurations. This capability enables beam sweeping with fine angular resolution, but results in large…

Information Theory · Computer Science 2025-05-15 Bora Bozkurt , Hasan Atalay Gunel , Mohaned Chraiti , Ibrahim Hokelek , Ali Gorcin , Ali Ghrayeb