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multipath propagation

A Novel Target-Height Estimation Approach Using Radar-Wave Multipath Propagation for Automotive Applications

A Novel Target-Height Estimation Approach Using Radar-Wave Multipath Propagation for Automotive Applications

... wave multipath propagation to mea- sure the height of objects in the vehicle ...A multipath propagation model is presented first, then a target height is formulated using geometry, based on ...

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to increase the capacity of a wireless link using multiple transmit and receive antennas to take advantage of multipath propagation.

to increase the capacity of a wireless link using multiple transmit and receive antennas to take advantage of multipath propagation.

... Wi-Fi has nominal transfer rates up to 11 (802.11b), 54 Mbps (802.11 a, g) and 600 Mbps (802.11n). The medium access control of Wi-Fi is carrier sense multiple access with collision avoidance (CSMA/CA). 802.11n offers ...

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Feedforward Delay Estimators in Adverse Multipath Propagation for Galileo and Modernized GPS Signals

Feedforward Delay Estimators in Adverse Multipath Propagation for Galileo and Modernized GPS Signals

... in multipath propagation and we show that feedforward delay estimators may be used as viable alternatives, in order to attain good accuracy via sim- ple ...

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EMPIRICAL CHARACTERIZATION AND MODELING OF FADE DEPTH DUE TO MULTIPATH PROPAGATION AT MICROWAVE BAND

EMPIRICAL CHARACTERIZATION AND MODELING OF FADE DEPTH DUE TO MULTIPATH PROPAGATION AT MICROWAVE BAND

... A BSTRACT: In communication system, signal propagates from the base station to the receiver as multitude of partial waves from different directions known as multipath propagation. This effect gives rise to ...

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Index Terms: Diversity, OFDM, Doppler Shift, Rake receiver, Multipath Propagation.

Index Terms: Diversity, OFDM, Doppler Shift, Rake receiver, Multipath Propagation.

... 5.3 Space diversity [11]: The signal is transferred over several different propagation paths. In the case of wired transmission, this can be achieved by transmitting via multiple wires. In the case of wireless ...

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ABSTRACT : The capability of PHY layer of WiFi has made it possible to utilize WiFi signals for both

ABSTRACT : The capability of PHY layer of WiFi has made it possible to utilize WiFi signals for both

... As shown in Fig. 2, CSI separates signals of different wavelengths similar to light spectrum via OFDM, while RSS is a single-valued amplitude of superposed paths. As physical layer information, CSI carries channel ...

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Energy-efficient MAC Protocol using Directional Antennas in IEEE 802.11- Based Wireless Sensor Networks

Energy-efficient MAC Protocol using Directional Antennas in IEEE 802.11- Based Wireless Sensor Networks

... and multipath propagation may affect the initial predicted transmission time, and this may lead to inefficient duty cycling by neighboring sensor ...

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Survey on Various Types of Noise and Methods for Noise Removal

Survey on Various Types of Noise and Methods for Noise Removal

... complicated multipath propagation, selective frequency fading, extreme Doppler effect and heavy ambient noise, FH-MFSK techniques play a vital role in robust underwater acoustic communication, especially in ...

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Study the Effect of Surrounding Surface Material Types on the Multipath of GPS Signal and Its Impact on the Accuracy of Positioning Determination

Study the Effect of Surrounding Surface Material Types on the Multipath of GPS Signal and Its Impact on the Accuracy of Positioning Determination

... the multipath effects will have different characteristics and suggest antennas should not be mounted near to the ground (< ...the multipath errors from test carried out using two different types and ...

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FDTD Based Dictionary Matrix for Sparsity-Based through
-Wall Radar Imaging

FDTD Based Dictionary Matrix for Sparsity-Based through -Wall Radar Imaging

... of multipath exploitation and compressive sensing, Leigsnering et ...in multipath environments from far fewer spatial and frequency measurements ...some multipath propagation paths for each ...

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TURBO CODED OFDM SYSTEM

TURBO CODED OFDM SYSTEM

... by multipath propagation. Multipath propagation is caused by the radio transmission signal reflecting off objects in the propagation environment, such as walls, buildings, mountains, ...

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Analysis Of Doppler Effect In LTE By Using MATLAB

Analysis Of Doppler Effect In LTE By Using MATLAB

... different propagation channel using Matlab simulation ...three propagation condition of EPA, EVA and ETU based on different maximum Doppler ...a multipath propagation ...

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Optimized tracking for cooperative sensor systems in multipath environments

Optimized tracking for cooperative sensor systems in multipath environments

... by multipath propagation. Multipath errors result if signals of the same transponder arrive simul- taneously at the receiver unit from different ...in multipath signals is used to form a ...

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BER Analysis of DS-CDMA Using LMS Algorithm and Rake Receiver

BER Analysis of DS-CDMA Using LMS Algorithm and Rake Receiver

... of multipath fading .This system is resistant to multipath fading & also use the delayed multipath components to improve the performance of the ...which multipath propagation delays ...

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A STUDY ON AD HOC NETWORKS FOR EFFICIENT MULTIPATH ROUTING SURVEY

A STUDY ON AD HOC NETWORKS FOR EFFICIENT MULTIPATH ROUTING SURVEY

... NOV-DEC 2016, VOL-4/27 www.srjis.com Page 4478 Ad hoc networks are very useful in emergency search-and-rescue operations, meetings or conventions in which persons wish to quickly share information, and data acquisition ...

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Multipath selection for resilient network routing

Multipath selection for resilient network routing

... TCP Multipath [1] to develop functionality that will enable existing TCP sessions to use multiple paths ...deploy multipath capability in the existing net- working infrastructure, without making any ...

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CMCD: Multipath Detection for Mobile GNSS Receivers

CMCD: Multipath Detection for Mobile GNSS Receivers

... the multipath signal model of the two-ray case is introduced and its impact shown on the code tracking loops of a ...GNSS Multipath Detection Section constitutes the core of this paper explaining our ...

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Title : Hierarchical Load Balanced Multipath Routing Protocol for Wireless Sensor NetworksAuthor (s) : C. R. Rathish, Dr.A.Rajaram

Title : Hierarchical Load Balanced Multipath Routing Protocol for Wireless Sensor NetworksAuthor (s) : C. R. Rathish, Dr.A.Rajaram

... Abstract: Wireless Sensor Networks consists of sensor nodes which are controlled by either base station or without bases station. In our scheme, the sensor nodes are not depends on the base station. Due to unbalanced ...

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Performance of tcp and udp protocols for secure multipath aco  communication in manet

Performance of tcp and udp protocols for secure multipath aco communication in manet

... MANET is collection of mobile nodes that communicate with each other over a wireless medium (Donatas Sumyla, 2006), without fixed infrastructure. Since, the topology of the network changes frequently, the problem of ...

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Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

... than multipath fading arises, to mitigate multipath fading in wireless channel transmitter power control method is used, in this method transmitter on other side of the link preprocessed the signal ...

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