Results 51 to 60 of about 993 (172)

Performance Assessment of QoS-Aware LTE Sessions Offloading Onto LAA/WiFi Systems

open access: yesIEEE Access, 2019
Fifth-generation (5G) cellular systems are expected to orchestrate a variety of air interfaces. In this heterogeneous setting 4G, LTE systems will remain of special importance providing service over a relatively large area not covered with the 3GPP new ...
Ekaterina Markova   +4 more
doaj   +1 more source

Rural emergency hospitals: Emerging patterns of adaptation and community perception

open access: yesThe Journal of Rural Health, Volume 42, Issue 1, Winter 2026.
Abstract Purpose Rural hospitals face persistent financial challenges that often threaten their survival. To address this, the 2023 “Rural Emergency Hospital” (REH) designation offers Critical Access Hospitals and hospitals with fewer than 50 beds enhanced Medicare reimbursement and annual facility payments if they discontinue inpatient services while ...
Anders Van Sandt   +5 more
wiley   +1 more source

Shock and Resilience: Southeast Asia’s Food Retail Environment in the Time of COVID‐19 Pandemic

open access: yesAdvances in Public Health, Volume 2026, Issue 1, 2026.
Introduction The Coronavirus Disease 2019 (COVID‐19) pandemic has profoundly impacted the food environment, affecting consumer’s behavior, retailer strategy, and subsequently dietary and nutritional outcomes. While existing research has explored these effects globally, few studies have focused on Southeast Asia, a region with unique food systems and ...
Hafizah Jusril   +13 more
wiley   +1 more source

Call Admission Control for Non-Standalone 5G Ultra-Dense Networks [PDF]

open access: yes, 2018
—In this letter, we propose new handoff schemes to reduce the interruption time that occurs during re-connection of an arriving mobile user moving from macrocell to small cell or from small cell to macrocell domains. A new call admission control (CAC)
Al-Dulaimi, , A, Anpalagan, A
core   +1 more source

Network congestion management using Call Admission Control

open access: yes, 2015
: Call Admission Control schemes have been used extensively in improving mobile network quality. Signal quality degradation, interference and network congestion has been a real issue for Global System for Mobile Communication (GSM) as the number of ...
Joseph, Meera K.   +2 more
core   +1 more source

IDMA-Based MAC Protocol for Satellite Networks with Consideration on Channel Quality

open access: yesThe Scientific World Journal, 2014
In order to overcome the shortcomings of existing medium access control (MAC) protocols based on TDMA or CDMA in satellite networks, interleave division multiple access (IDMA) technique is introduced into satellite communication networks.
Gongliang Liu, Xinrui Fang, Wenjing Kang
doaj   +1 more source

Association Between Alkaline Phosphatase Levels and All‐Cause Mortality in Critically Ill Patients With Acute Myocardial Infarction Combined Heart Failure: A Retrospective Study Using the MIMIC Database

open access: yesInternational Journal of Clinical Practice, Volume 2026, Issue 1, 2026.
Background Alkaline phosphatase (ALP) is implicated in vascular calcification and inflammation, yet its prognostic role in acute myocardial infarction (AMI) complicated by heart failure (HF) remains uncertain. This study aimed to examine the association between ALP levels and all‐cause mortality in critically ill patients with AMI and HF.
Lingyan Lei   +7 more
wiley   +1 more source

A connection-level call admission control using genetic algorithm for MultiClass multimedia services in wireless networks

open access: yes, 2006
Call admission control in a wireless cell in a personal communication system (PCS) can be modeled as an M/M/C/C queuing system with m classes of users. Semi-Markov Decision Process (SMDP) can be used to optimize channel utilization with upper bounds on ...
Ni, Q, Hong, X, Xiao, Y
core  

Call Admission Control in Cellular Networks: A Reinforcement Learning Solution

open access: yes, 2004
International audienceIn this paper, we address the call admission control (CAC) problem in a cellular network that handles several classes of traffic with different resource requirements. The problem is formulated as a semi-Markov decision process (SMDP)
Senouci, Sidi-Mohammed   +2 more
core   +1 more source

Performance of Resource Management Techniques for Weather-Impacted Satellite Networks

open access: yesJournal of Computer Networks and Communications, 2019
Signals transmitted via satellite networks at high frequency in the Ka, Q, and V bands are susceptible to degradation due to rain attenuation. Adaptive transmission techniques are usually employed to mitigate the effect of rain and improve users’ quality
Olugbenga Emmanuel Imole   +1 more
doaj   +1 more source

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