Wireless Networks
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A neuron fuzzy identification system based on a complex nonlinear mathematical model
Wireless Networks - Tập 28 - Trang 2299-2311 - 2021
During the implementation process of identification systems, multiple factors need to be considered at the same time. Due to the large amount of calculation and the randomness of the signal, the automatic identification capability of the machine is currently poor, especially for continuous signal. In order to solve this problem, a neuron fuzzy identification system was described based on a complex......
Discrete control algorithm of simulation load division based on complex network flow
Wireless Networks - Tập 28 - Trang 2755-2764 - 2021
In order to solve the problem of high energy consumption caused by node overload in complex network flow, a simulation load separation control algorithm based on complex network flow is proposed. According to the characteristics of complex network flow, combined with the characteristics of traffic in the network, a tree combined classifier is designed to discretize the complex network, analyze the......
Design and analysis of an algorithm for fair service in error‐prone wireless channels
Wireless Networks - Tập 6 - Trang 323-343 - 2000
In order to support diverse communication‐intensive real‐time and non‐real‐time data flows over a scarce, varying and shared wireless channel with location‐dependent and bursty errors, we define a service model that has the following characteristics: short‐term fairness among flows which perceive a clean channel, long‐term fairness for flows with bounded channel error, worst‐case delay bounds for ......
Effect of multi-path fading model on T-ANT clustering protocol for WSN
Wireless Networks - Tập 21 Số 4 - Trang 1155-1162 - 2015
Performance of amplify-and-forward cooperative networks with differential unitary space time coding
Wireless Networks - Tập 17 - Trang 621-627 - 2010
In wireless communications, multi-input multi-output technology has been appreciated for its high transmission rate and diversity gain. These can also be exploited in cooperative networks by using network nodes as virtual antenna arrays. In this paper, we analyze the performance of cooperative networks with differential unitary space-time modulation under high signal-to-noise ratio. Relaying proto......
Performance evaluation of packet data services over cellular voice networks
Wireless Networks - Tập 5 - Trang 211-219 - 1999
In this paper we develop a Markov chain modeling framework for throughput/delay analysis of data services over cellular voice networks, using the dynamic channel stealing method. Effective approximation techniques are also proposed and verified for simplification of modeling analysis. Our study identifies the average voice call holding time as the dominant factor to affect data delay performance. ......
Design and analysis of low‐power access protocols for wireless and mobile ATM networks
Wireless Networks - Tập 6 Số 1 - Trang 73-87 - 2000
This paper describes the design and analysis of a low‐power medium access control (MAC) protocol for wireless/mobile ATM networks. The protocol – denoted EC‐MAC (energy conserving medium access control) – is designed to support different traffic types with quality‐of‐service (QoS) provisions. The network is based on the infrastructure model where a base station (BS) serves all the mobiles currentl......
Resource allocation on secrecy energy efficiency for C-RAN with artificial noise
Wireless Networks - Tập 26 - Trang 639-650 - 2019
In this paper, we devote to maximize the secrecy energy efficiency (SEE) for a cloud radio access network where exists an eavesdropper wiretapping information from remote radio head. We first establish the system model and then formulate the power optimization problem to maximize the SEE of the system subject to the fronthaul capacity and transmit power constraints. To address this nonconvex probl......
Intelligent framework for radio access network design
Wireless Networks - Tập 26 - Trang 759-774 - 2019
The evolution of 5G networks over the last few years has introduced a variety of technologies for more efficient radio access networks (RANs), which end up in ultra-dense heterogeneous infrastructure with deployments of high complexity.
In this paper, we propose a new framework for RAN design in ultra-dense urban scenario based on the machine learning. The key idea of the proposed framework is to ......
A hybrid envelope fluctuations reduction approach using multilayer neural network for MIMO-OFDM signals
Wireless Networks - Tập 22 - Trang 2705-2712 - 2015
One of the major drawback in multi-carrier signals is large envelope fluctuations i.e., high peak-to-average power ratio (PAPR). The objective of this paper is to propose neural network based active gradient project sequence, a computationally efficient hybrid method to reduce PAPR in multiple-input multiple-output orthogonal frequency division multiplexing system without sacrificing BER performan......
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