中文
相关论文

相关论文: Spectrum Allocation with Adaptive Sub-band Bandwid…

200 篇论文

We propose and experimentally demonstrate a bandwidth allocation method based on the comparative advantage of spectral efficiency among users in a multi-tone small-cell radio access system with frequency-selective fading channels. The…

网络与互联网体系结构 · 计算机科学 2019-09-20 Lin Cheng , Bernardo A. Huberman

Wireless communication at the terahertz (THz) frequency bands (0.1-10THz) is viewed as one of the cornerstones of tomorrow's 6G wireless systems. Owing to the large amount of available bandwidth, THz frequencies can potentially provide…

The terahertz communications have the potential to revolutionize data transfer with unmatched speed and facilitate the development of new high-bandwidth applications. This paper studies the performance of downlink terahertz system assisted…

新兴技术 · 计算机科学 2024-08-30 Wali Ullah Khan , Chandan Kumar Sheemar , Zaid Abdullah , Eva Lagunas , Symeon Chatzinotas

Technological advancements in the design of electronic and optical materials have opened up the possibility of utilizing the latest available Radio Frequency spectrum the Terahertz (THz) band. This band holds great promise for…

系统与控制 · 电气工程与系统科学 2025-08-01 Sofiane Latreche , Hocine Bellahsene , Abdelmalik Taleb-Ahmed

A simultaneously transmitting and reflecting surface (STARS) aided terahertz (THz) communication system is proposed. A novel power consumption model is proposed that depends on the type and resolution of the STARS elements. The spectral…

信息论 · 计算机科学 2023-06-19 Zhaolin Wang , Xidong Mu , Jiaqi Xu , Yuanwei Liu

Terahertz (THz) communication is envisioned as one of the candidate technologies for future wireless communications to enable achievable data rates of up to several terabits per second (Tbps). However, the high pathloss and molecular…

信号处理 · 电气工程与系统科学 2024-03-14 Muddasir Rahim , Thanh Luan Nguyen , Georges Kaddoum , Tri Nhu Do

Terahertz (THz) band is considered as the next frontier in wireless communications. The emerging THz multiplexing techniques are expected to dramatically increase the information capacity of THz communications far beyond a single channel…

应用物理 · 物理学 2022-08-17 Yang Cao , Kathirvel Nallappan , Guofu Xu , Maksim Skorobogatiy

Multicast/broadcast services (MBS) are able to provide video services for many users simultaneously. Fixed amount of bandwidth allocation for all of the MBS videos is not effective in terms of bandwidth utilization, overall forced call…

网络与互联网体系结构 · 计算机科学 2018-12-27 Mostafa Zaman Chowdhury , Tuan Nguyena , Young-Il Kimb , Won Ryub , Yeong Min Jang

In recent years there is a growing effort to provide learning algorithms for spectrum collaboration. In this paper we present a medium access control protocol which allows spectrum collaboration with minimal regret and high spectral…

网络与互联网体系结构 · 计算机科学 2024-02-08 Tomer Boyarski , Wenbo Wang , Amir Leshem

The prospects of utilizing single-carrier (SC) and multi-carrier (MC) waveforms in future terahertz (THz)-band communication systems remain unresolved. On the one hand, the limited multi-path components at high frequencies result in…

信息论 · 计算机科学 2023-10-27 Simon Tarboush , Hadi Sarieddeen , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Terahertz (THz) communications with multi-GHz bandwidth are envisioned as a key technology for 6G systems. Ultra-massive (UM) MIMO with hybrid beamforming architectures are widely investigated to provide a high array gain to overcome the…

信息论 · 计算机科学 2021-06-09 Longfei Yan , Yuhang Chen , Chong Han , Jinhong Yuan

This article focuses on the near-field effect in terahertz (THz) communications and sensing systems. By equipping with extremely large-scale antenna arrays (ELAAs), the near-field region in THz systems can be possibly extended to hundreds…

信息论 · 计算机科学 2023-06-19 Zhaolin Wang , Xidong Mu , Yuanwei Liu

The fifth-generation (5G) network faces limitations in supporting emerging applications, such as artificial intelligence (AI), virtual reality (VR) and digital twins. To overcome these confines, sub-Terahertz (sub-THz) and Terahertz (THz)…

网络与互联网体系结构 · 计算机科学 2025-05-21 Jun Yan Lee , Duo Wu , Xuanrui Guo , Jian Ding Tan , Teh Jia Yew , Zi Neng Ng , Mohammad Arif Sobhan Bhuiyan , Mahdi H. Miraz

Terahertz (THz) communication systems hold immense potential for high-speed data transfer across various domains yet face challenges due to directionality constraints because of free space path loss. To address this, directional beams are…

In this paper, a dynamic spectrum management framework is proposed to improve spectrum resource utilization in a multi-access edge computing (MEC) in autonomous vehicular network (AVNET). To support the increasing data traffic and guarantee…

网络与互联网体系结构 · 计算机科学 2019-01-04 Haixia Peng , Qiang Ye , Xuemin Shen

The large bandwidth combined with ultra-massive multiple-input multiple-output (UM-MIMO) arrays enables terahertz (THz) systems to achieve terabits-per-second throughput. The THz systems are expected to operate in the near, intermediate, as…

信息论 · 计算机科学 2023-10-27 Simon Tarboush , Anum Ali , Tareq Y. Al-Naffouri

Terahertz (THz) communication is considered a viable approach to augmenting the communication capacity of prospective Internet-of-Things (IoT) resulting in enhanced spectral efficiency. This study first provides an outline of the design…

硬件体系结构 · 计算机科学 2024-01-29 Xinchao Zhong , Sean Longyu Ma , Hong-fu Chou

Recent evolutions in semiconductors have brought the terahertz band in the spotlight as an enabler for terabit-per-second communications in 6G networks. Most of the research so far, however, has focused on understanding the physics of…

网络与互联网体系结构 · 计算机科学 2021-01-05 Michele Polese , Josep Jornet , Tommaso Melodia , Michele Zorzi

Devices in a device-to-device (D2D) network operating in sub-THz frequencies require knowledge of the spatial channel that connects them to their peers. Acquiring such high dimensional channel state information entails large overhead, which…

信号处理 · 电气工程与系统科学 2024-12-23 Fernando Pedraza , Jan Christian Hauffen , Fabian Jaensch , Shuangyang Li , Giuseppe Caire

In this paper, we compare the performance of two main MIMO techniques, beamforming and multiplexing, in the Terahertz (THz) band. The main problem with the THz band is its huge propagation loss, which is caused by the tremendous signal…

信息论 · 计算机科学 2017-10-27 Sayed Amir Hoseini , Ming Ding , Mahbub Hassan