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channel sense multiple access

Modeling the Throughput of 1-persistent CSMA in Underwater Networks

Modeling the Throughput of 1-persistent CSMA in Underwater Networks

... Carrier Sense Multiple Access (CSMA) is a Medium Access Control (MAC) protocol based on random access with channel sensing prior to each ...CSMA-based access protocol by ...

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A Survey of Carrier Sense Multiple Access and Multiple Access with Collision Avoidance over DSR

A Survey of Carrier Sense Multiple Access and Multiple Access with Collision Avoidance over DSR

... The average rate at which the data packet is delivered successfully from one node to another over a communication network is known as throughput. In other words we say that, throughput is the number of packet that is ...

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Carrier Sense Multiple Access & Collision Avoidance– Visualisation Teaching Tool (CSMA/CA-VTT)

Carrier Sense Multiple Access & Collision Avoidance– Visualisation Teaching Tool (CSMA/CA-VTT)

... Kuo et al. (2003), discussed the basic idea ofCSMA/CA as “listen before talk”, where a station which desired to transmit must probe the medium before transmission to determine whether another user was transmitting. In ...

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Capacity bounds for multiple access cognitive interference channel

Capacity bounds for multiple access cognitive interference channel

... Interference avoidance techniques have traditionally been used in wireless networks wherein multiple source-desti- nation pairs share the same medium. However, the broadcasting nature of wireless networks may ...

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A Study of CSMA Carrier Sense Multiple Access and MACA Multiple Access with Collision Avoidance over AODV and DSR

A Study of CSMA Carrier Sense Multiple Access and MACA Multiple Access with Collision Avoidance over AODV and DSR

... The Study shows that the Efficient MAC protocols can provide significant benefits to mobile ad hoc networks, in terms of both performance and reliability. The issues associated with the design of a MAC protocol for ...

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Title: ACCESS TO HIDDEN TERMINAL PROBLEM USING CHANNEL TONE MULTIPLE ACCESS

Title: ACCESS TO HIDDEN TERMINAL PROBLEM USING CHANNEL TONE MULTIPLE ACCESS

... Carrier Sense Multiple Access (CSMA), which provides excellent performance and is widely used in wired LANs, has also been proposed for communication between wireless ...

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Carrier Inferrometric Code Based Variable Rate      Transmission Schemes for Satellite Communication System

Carrier Inferrometric Code Based Variable Rate Transmission Schemes for Satellite Communication System

... changing channel requirements like the delay spread, signal-to-noise ratio (SNR), bandwidth, bit error ...the channel delay spread instead of using a fixed large FFT-based transceiver designed for the ...

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Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications

Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications

... The TH-SS (Time Hopping Spread Spectrum) technologies are not as popular as the other two spread spectrum techniques, i.e. the DS-SS (Direct Sequence Spread Spectrum) and FH-SS (Frequency Hopping Spread Spectrum) ...

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DF based sum rate optimization for multicarrier multiple access relay channel

DF based sum rate optimization for multicarrier multiple access relay channel

... In this paper, we consider communication over a mul- ticarrier two-source multiaccess channel in which the transmission is aided by a relay node, i.e., a multicarrier two-source MARC. The communication takes place ...

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Characterization and Optimization of LDPC Codes for the 2 User Gaussian Multiple Access Channel

Characterization and Optimization of LDPC Codes for the 2 User Gaussian Multiple Access Channel

... We address the problem of designing good LDPC codes for the Gaussian multiple access channel (MAC). The framework we choose is to design multiuser LDPC codes with joint belief propagation decoding on ...

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Compressive Sensing Based Detection Strategy For Multiple Access Spatial Modulation Channel

Compressive Sensing Based Detection Strategy For Multiple Access Spatial Modulation Channel

... modulation multiple-access channel with large number of receive ...the multiple access channel(MAC) as an enhancement for achievable rates ...

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How Many Channels Should Be Sensend in Cognitive Radio Networks?: An Energy Efficiency Perspective

How Many Channels Should Be Sensend in Cognitive Radio Networks?: An Energy Efficiency Perspective

... spectrum access and the SUs can access the spectrum holes opportunistically with period spectrum ...to sense at most K( K  N ) channels in sequence until it finds an idle channel to ...

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Survey: QoS measuring and enhancement of DVB RCS in Satellite Communication

Survey: QoS measuring and enhancement of DVB RCS in Satellite Communication

... departing channel DVB-S and also the return channel DVB-RCS for interactive satellite terminals referred to as ...return channel DVB- RCS resource request mechanism and adaptation layer for carrying ...

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Multiple access relaying with network coding: iterative network/channel decoding with imperfect CSI

Multiple access relaying with network coding: iterative network/channel decoding with imperfect CSI

... All these papers assume that CSI and decoding error probability at the relay are available at the destination, which is not always true in practical wireless systems. It is shown in [19,20] that imperfect CSI can ...

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Robust beamforming techniques for non-orthogonal multiple access systems with bounded channel uncertanties

Robust beamforming techniques for non-orthogonal multiple access systems with bounded channel uncertanties

... for multiple antenna NOMA networks have received a great deal of interest in the research community due to their additional degrees of freedom and diversity gains ...a multiple- input multiple-output ...

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Bit Error Rate Performance for Multicarrier Code Division Multiple Access over Generalized η-μ Fading Environment

Bit Error Rate Performance for Multicarrier Code Division Multiple Access over Generalized η-μ Fading Environment

... Division Multiple Access (MC-CDMA) is a digital modulation and multicarrier scheme which results from the combination of Orthogonal Frequency Division Multiplexing (OFDM) and Code Division Multiple ...

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ENERGY EFFICIENT DISTRIBUTED IMAGE COMPRESSION USING JPEG2000 IN WIRELESS SENSOR 
NETWORKS (WSNS)

ENERGY EFFICIENT DISTRIBUTED IMAGE COMPRESSION USING JPEG2000 IN WIRELESS SENSOR NETWORKS (WSNS)

... distributed access mode (DCF ), using a carrier sense multiple access / collision avoidance protocol ( CSMA / CA ), through the HLA / RTI interface controlled by the federal member program can ...

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Increasing Energy Productivity in Multiple Access Channel by Utilizing Packet Dropping

Increasing Energy Productivity in Multiple Access Channel by Utilizing Packet Dropping

... [1] Maximizing Energy Efficiency in Multiple AccessChannels by Exploiting Packet Dropping and Transmitter Buffering M. Majid Butt, Member, IEEE,Eduard A. Jorswieck, Senior Member, IEEE, Bjorn Ottersten, Fellow, ...

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Energy Efficient Channel Allocation for Cognitive Radio Networks with Incursion Detection

Energy Efficient Channel Allocation for Cognitive Radio Networks with Incursion Detection

... available channel is busy in serving other packets that arrive earlier,no channel is available during the reserved time interval, and channel time is not reserved for the real- time ...

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Analysis of Protocols Suitable for Wireless Body Area Network

Analysis of Protocols Suitable for Wireless Body Area Network

... WBAN system has been created, where five body sensor nodes will try to send the packets to the coordinator node. The simulation initiates the transmission of packets between the body sensor nodes and the coordinator. ...

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