Results 61 to 70 of about 6,200,790 (141)

Performance modelling and enhancement of wireless communication protocols [PDF]

open access: yes
In recent years, Wireless Local Area Networks(WLANs) play a key role in the data communications and networking areas, having witnessed significant research and development. WLANs are extremely popular being almost everywhere including business,office and
Chatzimisios, Periklis
core   +2 more sources

Robust H∞ control of networked control systems with access constraints and packet dropouts

open access: yes, 2010
We consider a class of networked control systems (NCSs) where the plant has time-varying norm-bounded parameter uncertainties, the network only provides a limited number of simultaneous accesses for the sensors and actuators, and the packet dropouts ...
Wu, Jun, Chen, Sheng, Wu, Dongxiao
core   +1 more source

Performance analysis and optimization of UAV-assisted NOMA short packet communication systems

open access: yesICT Express
In this paper, we propose and analyze an unmanned aerial vehicle (UAV)-assisted non-orthogonal multiple access (NOMA) short packet communication (SPC) system, where finite-size data packets are transmitted from a UAV to multiple users.
Tran Manh Hoang   +3 more
doaj   +1 more source

Microgrid Monitoring Network Based on ZigBee Communication [PDF]

open access: yesJisuanji gongcheng, 2017
In order to realize the flexible construction of microgrid with distributed generation,ZigBee is used to transmit information for the monitoring network of microgrid.Communication address that is composed of dynamic short address and virtual short ...
QI Zhiyuan,LI Zhifeng
doaj   +1 more source

Adaptive ultra-short-wave parameter distribution based on ARIMA-predicted fountain codes

open access: yesScientific Reports
Ultra-short-wave wireless parameter distribution is one of the important means of parameter distribution in mobile communication systems. Compared with manual parameter distribution, it can significantly reduce the operational burden of personnel and ...
Chongxiao Li, Zhuo Li
doaj   +1 more source

Comprehensive Performance Analysis of Zigbee Communication: An Experimental Approach with XBee S2C Module

open access: yesSensors, 2022
The recent development of wireless communications has prompted many diversified applications in both industrial and medical sectors. Zigbee is a short-range wireless communication standard that is based on IEEE 802.15.4 and is vastly used in both indoor ...
Khandaker Foysal Haque   +2 more
doaj   +1 more source

Improving Performance of C-V2X Sidelink by Interference Prediction and Multi-Interval Extension

open access: yesIEEE Access, 2022
Cellular Vehicle-to-Everything (C-V2X), as a next-generation V2X communication technique, has attracted much attention recently. Especially, SideLink (SL) of C-V2X in the mode 4 is a promising technique for disseminating various information in a non-line-
Yosuke Segawa   +4 more
doaj   +1 more source

Synchronization of a WDM Packet-Switched Slotted Ring [PDF]

open access: yes, 2007
In this paper, we present two different strategies of slot synchronization in wavelength-division-multiplexing (WDM) packet-switched slotted-ring networks.
Carzaniga, D.   +11 more
core   +1 more source

Performance analysis of IRS aided downlink NOMA short-packet communication with hardware impairment

open access: yesTongxin xuebao, 2023
Impact of hardware impairment on the performance of intelligent reflecting surface (IRS) aided downlink two-user short-packet communication (SPC) systems using non-orthogonal multiple access over Rician channels was analyzed.Phase adjustments at the IRS ...
Lei YUAN, Jing XU, Mingxiu MO, Yan LEI
doaj   +2 more sources

M-ary overmodulation based on cyclic shift symbols for pilot-free short packet communication scheme

open access: yesTongxin xuebao
To solve the problem of low transmission efficiency caused by the high overhead of the pilot in the short packet structure, a M-ary overmodulation based on cyclic shift symbol for pilot-free short packet communication scheme was proposed.
XIU Menglei, DOU Gaoqi, WANG Hao
doaj   +2 more sources

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