نتایج جستجو برای: Wireless FDMA network

تعداد نتایج: 731874  

Journal: :international journal of smart electrical engineering 2014
salman boromand mohammad a. nekouie

simultaneous routing and resource allocation has been considered in wireless networks for its performance improvement. in this paper we propose a cross-layer optimization framework for worst-case queue length minimization in some type of fdma based wireless networks, in which the the data routing and the power allocation problem are jointly optimized with fuzzy distributed h∞ control strategy ....

Simultaneous routing and resource allocation has been considered in wireless networks for its performance improvement. In this paper we propose a cross-layer optimization framework for worst-case queue length minimization in some type of FDMA based wireless networks, in which the the data routing and the power allocation problem are jointly optimized with Fuzzy distributed H∞ control strategy ....

2014
Mayank Sharma Sunita Gupta

Bandwidth, power and collision are considered as three important resources in wireless networks. Therefore, how to manage these resources becomes a effect on wireless ad hoc network. These effects are not present in wire line networks, and evaluation of available bandwidth in wireless networks a difficult task. Furthermore, in wireless medium the available resources also vary with the protocol ...

Journal: :ASEAN Engineering Journal 2023

To improve the uplink performance of wireless network for long term evolution (LTE) single carrier frequency division multiple access (SC-FDMA) and orthogonal (OFDMA) are used. Two major concerns these SC-FDMA OFDMA high peak-to-average power ratio (PAPR) efficient subcarrier mapping scheme. This paper presents a comparison under different schemes which includes localized FDMA (LFDMA), distribu...

2015
Salman Baromand Mohammad A. Nekouie

Simultaneous routing and resource allocation has been considered in wireless networks for its performance improvement. In this paper we propose a cross-layer optimization framework for worst-case queue length minimization in some type of FDMA based wireless networks, in which the the data routing and the power allocation problem are jointly optimized with Fuzzy distributed H∞ control strategy ....

2011
B U Rindhe D C Shah S K Narayankhedkar

Escalating demand of higher data rate in progressive generations for wireless environment involve work towards modification of modulation schemes over air interface. Beginning from TDMA/FDMA/CDMA based 2nd generation to highly complicated Orthogonal FDMA (OFDMA), Single Carrier FDMA (SC-FDMA), Interleaved FDMA (IFDMA) and Multicarrier CDMA (MC-CDMA) which are gaining attention for 4G networks. ...

2015
Alireza Mahdian Chris GauthierDickey Mario Lopez Shivakant Mishra

Broadcast protocols play a vital role in building services and applications for multihop, mobile, wireless ad hoc networks (MANET). This paper describes the design, implementation and evaluation of a new broadcast protocol for a multihop, mobile wireless ad hoc network that provides significantly better performance than the currently existing protocols. In particular, this protocol provides low...

Journal: :The Journal of Engineering 2021

Carrier frequency offset (CFO) is a challenging problem in the uplink of single-carrier division multiple access (SC-FDMA) system. CFOs effect on orthogonality between subcarriers and cause inter-carrier interference (ICI) (MAI). This paper, analyzes impact performance Discrete Sine Transform (DST) SC-FDMA (DST-SC-FDMA) system investigates with different wireless channels, modulation schemes ma...

2010
Alireza Mahdian Chris GauthierDickey Shivakant Mishra

Broadcast protocols play a vital role in building services and applications for multihop, mobile, wireless ad hoc networks (MANET). This paper describes the design, implementation and evaluation of a new broadcast protocol for a multihop, mobile wireless ad hoc network that provides significantly better performance than the currently existing protocols. In particular, this protocol provides low...

Journal: :Iet Communications 2023

Abstract The 0–1 mixed integer programming problem of binary offloading on wireless powered mobile edge computing (WP‐MEC) networks requires joint optimization and continuous variables, which is computationally expensive for traditional techniques difficult to solve within the channel coherence time under time‐varying condition. Using machine learning models output variable values also challeng...

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