Results 21 to 30 of about 1,284,688 (278)
Pregnancy-Specific Concerns and Psychological Impact of COVID-19 on Antenatal Women
Gynecology Obstetrics & Reproductive Medicine, 2022 OBJECTIVE: The ongoing COVID-19 pandemic is causing widespread concern, fear, stress, anxiety, and depression throughout the population worldwide. Pregnant women, being a vulnerable group, are grossly affected by these changing environmental scenarios ...
Sanjay Singh +7 more
doaj +1 more source
ETRI Journal, 2023 Aerial base stations (ABSs) seem promising to enhance the coverage and capacity of fifth-generation and upcoming networks. With the flexible mobility of ABSs, they can be positioned in air to maximize the number of users served with a guaranteed quality ...
Shengqi Jiang +5 more
doaj +1 more source
Research on condensation phenomenon during energy-saving shutdown of base station
Dianxin kexue, 2021 5G base station has a significant increase in its full-load power consumption compared to 4G base stations due to multiple transceiver channels, wide bandwidth, high traffic and high transmission power.In the early stage of 5G development, since there ...
Jixiang FU +4 more
doaj +2 more sources
Token Bucket Algorithm with Modernization Techniques to avoid Congestion in DEC Protocol of WSN [PDF]
International Journal of Electronics and Telecommunications, 2023 A wireless sensor system is an essential aspect in many fields. It consists of a great deal of sensor nodes. These sensor networks carry out a number of tasks, including interaction, distribution, recognition, and power supply.
Habibulla Mohammad +3 more
doaj +1 more source
Software-only TDOA/RTF positioning for 3G WCDMA wireless network [PDF]
, 2008 A hybrid location finding technique based oil time difference of arrival (TDOA) with round-trip time (RTT) measurements is proposed for a wideband code division Multiple access (WCDMA) network.
Chen +7 more
core +1 more source
Dynamic Channel Assignment for Downlink and Uplink Decoupling in Wireless Networks
IEEE Access, 2023 The demand for wireless communication capacity continues to increase with the extensive usage of smartphones, tablets, and devices that are related to the Internet of Things (IoT).
Makoto Kobayashi +3 more
doaj +1 more source
Wideband MIMO Antenna for 5G Base Station
Tạp chí Khoa học và Công nghệ, 2023 In this paper, we present a configuration of a wideband MIMO antenna array for 5G terminals. The single-element antenna has compact size, dual polarization, wide operating bandwidth covering the 5G N78 frequency band, and high isolation between the two ...
Hien Doan Thi Ngoc
doaj +1 more source
Large System Analysis of Base Station Cooperation for Power Minimization [PDF]
, 2015 This work focuses on a large-scale multi-cell multi-user MIMO system in which $L$ base stations (BSs) of $N$ antennas each communicate with $K$ single-antenna user equipments.
Couillet, Romain +2 more
core +8 more sources
On the Statistical Multiplexing Gain of Virtual Base Station Pools [PDF]
, 2014 Facing the explosion of mobile data traffic, cloud radio access network (C-RAN) is proposed recently to overcome the efficiency and flexibility problems with the traditional RAN architecture by centralizing baseband processing.
Gong, Jie +4 more
core +1 more source
Pilot Decontamination Through Pilot Sequence Hopping in Massive MIMO Systems [PDF]
, 2014 This work concerns wireless cellular networks applying massive multiple-input multiple-output (MIMO) technology. In such a system, the base station in a given cell is equipped with a very large number (hundreds or even thousands) of antennas and serves ...
de Carvalho, Elisabeth +1 more
core +3 more sources