Results 91 to 100 of about 3,948 (214)

Computer-Aided Efficient Routing and Reliable Protocol Optimization for Autonomous Vehicle Communication Networks

open access: yesComputers
The rise of autonomous vehicles necessitates advanced communication networks for effective data exchange. The routing protocols Ad hoc On-Demand Distance Vector (AODV) and Greedy Perimeter Stateless Routing (GPSR) are vital in mobile networks (MANETs ...
Alaa Kamal Yousif Dafhalla   +8 more
doaj   +1 more source

High-Performance Data Throughput Analysis in Wireless Ad Hoc Networks for Smart Vehicle Interconnection

open access: yesComputers
Vehicular Ad Hoc Networks play a crucial role in enabling Smart City applications by facilitating seamless communication between vehicles and infrastructure.
Alaa Kamal Yousif Dafhalla   +8 more
doaj   +1 more source

Sparse Vector Distributions and Recovery from Compressed Sensing

open access: yes, 2011
It is well known that the performance of sparse vector recovery algorithms from compressive measurements can depend on the distribution underlying the non-zero elements of a sparse vector.
Sturm, Bob L.
core  

DT-GPSR: Delay Tolerant-Greedy Perimeter Stateless Routing Protocol

open access: yesThe Journal of Korean Institute of Communications and Information Sciences, 2016
실제 이동 통신 환경은 불균일한 단말 분포와 이동성으로 인하여 링크 단절이 일어나는 경우가 빈번하다. 이러한 네트워크 환경에서 경로 수립 기반의 MANET 라우팅 프로토콜은 잦은 전송 실패를 야기하여 메시지 전달률을 감소시키고, 경로 재수립을 위한 제어 메시지를 많이 발생시켜 네트워크 효율성을 크게 저하시킨다. 반면 GPSR과 같은 위치 정보 기반 MANET 라우팅 프로토콜은 종단 간 경로 수립 절차 없이 hop-by-hop 라우팅을 수행하여 제어 메시지 발생을 최소화하지만, 중계 노드의 결손으로 인해 보이드(void)가 발생 할 경우 데이터 전달 실패 등 다양한 문제를 유발한다.
Jae-Choong Nam, You-Ze Cho
openaire   +2 more sources

KOGPSR: A 3D GPSR algorithm using adaptive Kalman prediction for FANETs with omnidirectional antenna

open access: diamond, 2023
Zhongjie Wang   +5 more
openalex   +1 more source

Adaptive reweighting via GPSR algorithm for compressed sensing signal reconstruction(自适应权重的GPSR压缩感知重构算法)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2018
在压缩感知信号重构的过程中,为使投影梯度稀疏重构算法(GPSR)在保持低复杂度的同时,能有效提高重构性能,引入了自适应思想,给重构模型添加具有惩罚意义的权重系数,以寻找算法复杂度和精度之间的最佳平衡点;根据解的收敛进程不断调整权重值,以加速收敛.仿真实验表明:在相同条件下,该算法的计算效率优于传统的GPSR算法和典型的OMP算法,能在较短的运行时间内大幅度提高重构精度.
LIXinyi(李昕艺)   +2 more
doaj   +1 more source

Galactic X-ray emission from pulsars [PDF]

open access: yes
The contribution of pulsars to the gamma-ray flux from the galactic plane is examined using data from the most recent pulsar surveys. It is assumed that pulsar gamma-rays are produced by curvature radiation from relativistic particles above the polar cap
Harding, A. K.
core   +1 more source

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