Results 21 to 30 of about 4,789,398 (232)

Performance Analysis of Cooperative Dynamic Framed Slotted-ALOHA With Random Transmit Power Control in A2G Communication Networks

open access: yesIEEE Access, 2022
In this study, we investigate the use of low-altitude unmanned aerial vehicles (UAVs) in air-to-ground (A2G) communication networks, which still have various issues and challenges. In particular, the limited battery power of UAVs render their flight time
Junseung Lee   +3 more
doaj   +1 more source

Design of Lithium Battery Monitoring System Based on GPRS Short Message Communication [PDF]

open access: yesE3S Web of Conferences, 2023
The lithium battery in the new energy system works in the wilderness environment, and its data remote monitoring is often realized based on wireless communication, and this transmission method needs to set up exclusive base stations, which is costly ...
Zhang Ruoyuan, Qian Feng
doaj   +1 more source

Experimental Evaluation of the Packet Reception Performance of LoRa

open access: yesSensors, 2021
LoRa technology is currently one of the most popular Internet of Things (IoT) technologies. A substantial number of LoRa devices have been applied in a wide variety of real-world scenarios, and developers can adjust the packet reception performance of ...
Qingjie Guo, Fengxu Yang, Jianming Wei
doaj   +1 more source

An energy efficient hybrid MAC protocol for smart home networks [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2021
In this paper cluster-based hybrid MAC (CB-HMAC) protocol, based on IEEE 802.15.4 MAC is proposed for smart home networks. The CB-HMAC is specially designed for short packet transmission in a dense home network environment.
Pandey Atul Kumar, Gupta Nisha
doaj   +1 more source

Frame delay and loss analysis for video transmission over time-correlated 802.11A/G channels [PDF]

open access: yes, 2007
This paper presents simulation results for the transmission of unicast MAC frames over 802.11a/g. Fading channel models at various Doppler frequencies are developed to generate time- correlated SNR waveforms.
Bull, David   +9 more
core   +1 more source

Spectral encapsulation of OFDM systems based on orthogonalization for short packet transmission

open access: yesETRI Journal, 2020
A spectrally encapsulated (SE) orthogonal frequency‐division multiplexing (OFDM) precoding scheme for wireless short packet transmission, which can suppress the out‐of‐band emission (OoBE) while maintaining the advantage of the cyclic prefix (CP)‐OFDM ...
Myungsup Kim   +3 more
doaj   +1 more source

Hybrid Detection Technique for IP Packet Header Modifications Associated with Store-and-Forward Operations

open access: yesApplied Sciences, 2023
The detection technique for IP packet header modifications associated with store-and-forward operation pertains to a methodology or mechanism utilized for the identification and detection of alterations made to packet headers within a network setting ...
Asmaa Munshi
doaj   +1 more source

Investigation of performance issues affecting optical circuit and packet switched WDM networks [PDF]

open access: yes, 2009
Optical switching represents the next step in the evolution of optical networks. This thesis describes work that was carried out to examine performance issues which can occur in two distinct varieties of optical switching networks.
Smyth, Frank
core   +2 more sources

Joint Semi-Blind Self-Interference Cancellation and Equalisation Processes in 5G QC-LDPC-Encoded Short-Packet Full-Duplex Transmissions

open access: yesSensors, 2022
The paper proposes a joint semi-blind algorithm for simultaneously cancelling the self-interference component and estimating the propagation channel in 5G Quasi-Cyclic Low-Density Parity-Check (QC-LDPC)-encoded short-packet Full-Duplex (FD) transmissions.
Bao Quoc Vuong   +5 more
doaj   +1 more source

Error-resilient scheme for wavelet video codec using automatic ROI detection and Wyner-Ziv coding over packet erasure channel [PDF]

open access: yes, 2010
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2010 IEEE. Personal use of this material is permitted.
Loo, K.K.   +19 more
core   +1 more source

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