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Discontinuous reception (DRX), where a user equip-ment (UE) temporarily disables its receiver, is a critical power saving feature in modern cellular systems. DRX is likely tobe particularly aggressively used in the mmWave and THzfrequencies…

信号处理 · 电气工程与系统科学 2019-08-27 Syed Hashim Ali Shah , Sundar Aditya , Sourjya Dutta , Christopher Slezak , Sundeep Rangan

Discontinuous reception (DRX) is a key technology for reducing the energy consumption of industrial Internet of Things (IIoT) devices. Specifically, DRX allows the devices to operate in a low-power mode when no data reception is scheduled,…

We present a Reinforcement Learning (RL) approach to the problem of controlling the Discontinuous Reception (DRX) policy from a Base Transceiver Station (BTS) in a cellular network. We do so by means of optimally timing the transmission of…

信息论 · 计算机科学 2024-06-21 Adriano Pastore , Adrián Agustín de Dios , Álvaro Valcarce

3GPP Release 18 cell discontinuous transmission and reception (cell DTX/DRX) is an important new network energy saving feature for 5G. As a time-domain technique, it periodically aggregates the user data transmissions in a given duration of…

网络与互联网体系结构 · 计算机科学 2025-07-30 Wei Mao , Lili Wei , Omid Semiari , Shu-ping Yeh , Hosein Nikopour

Improved mobile device battery lifetime and latency mini-mization are critical requirements for enhancing the mobile broadband services and user experience. Long-term evolution (LTE) networks have adopted discontinuous reception (DRX) as…

信息论 · 计算机科学 2020-01-06 Soheil Rostami , Kari Heiska , Oleksandr Puchko , Kari Leppanen , Mikko Valkama

Heterogeneous networks (HetNets) as a combination of macro cells and small cells are used to increase the cellular network's capacity, and present a perfect solution for high-speed communications. Increasing area spectrum efficiency and…

网络与互联网体系结构 · 计算机科学 2019-07-29 Leila Marandi , Mansour Naslcheraghi , Seyed Ali Ghorashi , Mohammad Shikh-Bahaei

Data applications may typically tolerate a moderate delay before packet transmission between user equipment (UE) and cell begins. This delay can be taken advantage to reduce the communication distance, improve coverage probability, and…

信号处理 · 电气工程与系统科学 2019-04-19 Haluk Celebi , Ismail Guvenc , Henning Schulzrinne

Power saving is a main pillar in the operation of wireless communication systems. In this paper, we investigate cloud radio access network (C-RAN) capability to reduce power consumption based on the user equipment (UE) requirement. Aiming…

信息论 · 计算机科学 2024-05-24 Yuchao Chang , Hongli Wang , Wen Chen , Yonghui Li , Naofal Al-Dhahir

In this paper, we propose a two-timescale delay-optimal base station Discontinuous Transmission (BS-DTX) control and user scheduling for downlink coordinated MIMO systems with energy harvesting capability. To reduce the complexity and…

系统与控制 · 计算机科学 2015-06-04 Ying Cui , Vincent K. N. Lau , Yueping Wu

LTE release 12 proposes the use of dual connectivity in heterogeneous cellular networks, where a user equipment (UE) maintains parallel connections to a macro-cell node (base station) and to a low-tier node (pico base station or relay). In…

信息论 · 计算机科学 2015-01-28 Syed Amaar Ahmad , Dinesh Datla

Downlink/Uplink decoupling (DUDe) in LTE net- works has caught the attention of researchers as it provides better uplink SINR and reduced power consumption per device due to decoupled connection of a device with the Macro (in downlink) and…

网络与互联网体系结构 · 计算机科学 2016-11-17 Mukesh Kumar Giluka , M Sigbath Ali Khan , Vanlin Sathya , Antony A Franklin

The rapid growth of data across fields of science and industry has increased the need to improve the performance of end-to-end data transfers while using the resources more efficiently. In this paper, we present a dynamic, multiparameter…

分布式、并行与集群计算 · 计算机科学 2026-03-27 Hasibul Jamil , Jacob Goldverg , Elvis Rodrigues , MD S Q Zulkar Nine , Tevfik Kosar

Relay nodes-enhanced architectures are deemed a viable solution to enhance coverage and capacity of nowadays cellular networks. Besides a number of desirable features, these architectures reduce the average distance between users and…

网络与互联网体系结构 · 计算机科学 2015-05-06 Mattia Minelli , Maode Ma , Marceau Coupechoux , Jean-Marc Kelif , Marc Sigelle , Philippe Godlewski

In wireless network communication environments, Spectral Efficiency (SE) and Energy Efficiency (EE) are among the major indicators used for evaluating network performance. However, given the high demand for data rate services and the…

网络与互联网体系结构 · 计算机科学 2021-02-16 Mamman Maharazu , Zurina Mohd Hanapi , Mohamed A. Alrshah

To coexist with Wi-Fi friendly, a standalone long-term evolution network over unlicensed spectrum (LTE-U) under listen-before-talk (LBT) mechanism can only access channel in a random and intermittent way, which results in random and…

网络与互联网体系结构 · 计算机科学 2018-10-15 Hangguan Shan , Taojie Qin , Guanding Yu , Lin X. Cai , Yu Cheng , Tony Q. S. Quek

Need for increased spectral efficiency is key to improve the quality of experience for next-generation wireless applications like online gaming, HD Video, etc.,. In our work, we consider an LTE Device-to-device (D2D) network where LTE UEs…

网络与互联网体系结构 · 计算机科学 2019-07-12 Yuva Kumar , Vanlin Sathya , Sreenath Ramanath

Internet of Things (IoT) devices have become increasingly ubiquitous with applications not only in urban areas but remote areas as well. These devices support industries such as agriculture, forestry, and resource extraction. Due to the…

Emergency control, typically such as under-voltage load shedding (UVLS), is broadly used to grapple with low voltage and voltage instability issues in practical power systems under contingencies. However, existing emergency control schemes…

系统与控制 · 电气工程与系统科学 2021-02-26 Ying Zhang , Meng Yue , Jianhui Wang

We consider the allocation of spectral and power resources to the mobiles (i.e., user equipment (UE)) in a cell every subframe (1 ms) for the Long Term Evolution (LTE) orthogonal frequency division multiple access (OFDMA) cellular network.…

最优化与控制 · 数学 2012-01-17 Akash Baid , Ritesh Madan , Ashwin Sampath

Most of the existing works on energy-efficient wireless communication systems only consider the transmitter (Tx) or the receiver (Rx) side power consumption but not both. Moreover, they often assume the static circuit power consumption. To…

信息论 · 计算机科学 2015-02-03 Qingqing Wu , Meixia Tao , Wen Chen
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