[PDF] Top 20 A spread spectrum DS/CDMA channel fading simulation environment for mobile radio network systems
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A spread spectrum DS/CDMA channel fading simulation environment for mobile radio network systems
... Introduction Channel modeling simulation tools that enable researchers and designers to accurately predict the performance of wire- less systems become increasingly important as personal com- ... See full document
6
Design of spread spectrum multicode CDMA transport architecture for multimedia services
... automation systems is an attractive ...demand for mixed data, audio, and video applications and will connect the portable pen pad and lap-top devices to backbone information resources and computational ... See full document
13
Outage and coverage considerations for microcellular mobile radio systems in a shadowed-Rician/shadowed-Nakagami environment
... ONCLUSIONS A shadowed-Rician/shadowed-Nakagami channel model has been used to study the outage probabilities and coverage predictions of microcellular mobile radio ...short-term fading ... See full document
10
The Investigation of MC-CDMA Systems in FBS Environment with Fading Channels 謝孟村、陳雍宗
... Nakagami Fading Channels for IS-95 CDMA Systems ”, IEEE ...Diversity for a DS/CDMA Mobile Radio System through Nakagami Fading Channel”, ... See full document
2
Channel Equalizers for DS-CDMA Systems in Radio Fading Channel 王俊皓、李金椿
... of DS-CDMA systems equipped with cyclic prefix and equalizers, transversal and decision feedback equalizers, equipped with the proposed RAKE equalizer is investigated based on simulations, and the ... See full document
2
Performanc Simulation of DS-CDMA and OFDM Combined in Radio Fading Channel 楊嘉豪、李金椿
... A DS-CDMA-OFDM system, which is a combination of DS-CDMA and OFDM technologies, is proposed to reduce the effect of Inter-symbol interference (ISI) caused by frequency selective ... See full document
2
Spread spectrum CDMA systems for subband image transmission
... channels, a subband coding scheme that divides the image information into a number of independent data streams using an analysis filter bank, each of which is multiplied by its unique signature PN code, ... See full document
16
COMPUTER-SIMULATION OF A DIRECT SEQUENCE SPREAD SPECTRUM CELLULAR RADIO ARCHITECTURE
... Here we consider a spread spectrum cellular radio architec- ture in which the whole service area is divided into cells and each cell is served by a base. A mobile [r] ... See full document
7
Adaptive fuzzy power control for CDMA mobile radio systems
... To tackle this difficulty, a fuzzy proportional-plus-integral (PI) control, whose input vari- ables are the received power error and error change, is introduced to determine [r] ... See full document
12
New nonlinear algorithms for estimating and suppressing narrowband interference in DS spread spectrum systems
... Vijayan and Poor [ll] first proposed using a nonlinear approx- imate conditional mean (ACM) filter of the Masreliez type and obtained significant results. This paper prop[r] ... See full document
8
A channel effect prediction-based power control scheme using PRNN/ERLS for uplinks in DS-CDMA cellular mobile systems
... generating a precise power control ...at a deep fade ...send a positive command to increase the transmission power if the received SIR is lower than the desired ...value, a negative command is ... See full document
5
A modified code tracking loop for direct-sequence spread-spectrum systems on frequency-selective fading channels
... Because the data-modulated channel es- timator can cope with the time-varying Rayleigh fading effect and the data modulation effect on the error signals, in addition [r] ... See full document
5
Iterative joint channel estimation and multiuser detection for DS-CDMA in frequency-selective fading channels
... Editor for the IEEE T RANSACTIONS ON I NFORMATION T HEORY and the Journal of Oceanic ...Editor for the IEEE T RANSACTIONS ON C OMMUNICATIONS from 1996 to ...as a member of the IEEE Information Theory ... See full document
17
Spread spectrum multiple-access with DPSK modulation and diversity for image transmission over indoor radio multipath fading channels
... these subbands at the same time in the same channel, the SS-CDMA multiplexing scheme is particularly well suited to subband coding that divides the image informa[r] ... See full document
15
An iterative maximum SINR receiver for multicarrier CDMA systems over a multipath fading channel with frequency offset
... estimation, channel vector estimation and RAKE combining give the desired signal ...within a few iterations. Finally, a low-complexity PA realization of the GSC adaptive filters is presented ... See full document
10
Performance study for a Mobile TCP under Fading Channel
... wireless network with wired network. This causes the congestion of network and involves the packet ...in a wired link. Furthermore, in the design of mobile radio transmission ... See full document
7
Design of power control mechanisms with PCM realization for the uplink of a DS-CDMA cellular mobile radio system
... The two captured signals were assumed to be equal in average strength, but with independent Nakagami-1 (i.e., Rayleigh) fading. The largest SIR in these two diversity a[r] ... See full document
9
A Cellular Neural Network and Utility-Based Radio Resource Scheduler for Multimedia CDMA Communication Systems
... Fig. 4 depicts the performance measures of the average packet dropping ratio of type-1 RT connections 𝑃 𝐷 and the average transmission rate of type-2 and type-3 NRT interaction connections 𝑅 𝑚 . It can be found that the ... See full document
12
A Bayesian network-based Simulation Environment for Investigating Assessment Issues in Intelligent Tutoring Systems
... is a crucial task in develop- ing a high quality intelligent tutoring system that can provide appropriate material to learners at the right ...construct a simulator that creates simulated test ... See full document
6
Differential matched filter architecture for spread spectrum communication systems
... For those matched filters with long stages, this new architecture saves half the number of M and A in comparison with the conventional filter, while maintaining an identical p[r] ... See full document
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