channel multiple access scheme
Multicarrier DS CDMA: A Multiple Access Scheme for Ubiquitous Broadband Wireless Communications
... MRC scheme, which is capable of combining a time-variant number of resolvable paths encountered in various propa- gation ...combining scheme is the associated increase of ...the channel is relatively ...
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Increasing Energy Productivity in Multiple Access Channel by Utilizing Packet Dropping
... wireless channel certain mechanisms should satisfy the Quality of service ...scheduler scheme (RORB) is used to optimize the energy consumption which improves the Quality of service constraints and helps ...
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A downlink non orthogonal multiple access scheme having physical layer security
... CSI: Channel state information - State of propagation path between the base station and user terminal; FFT: Fast Fourier transform - Signal processing technique used for the modulation and demodulation processing ...
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DF based sum rate optimization for multicarrier multiple access relay channel
... transmission scheme in which the relay implements a decode-and-forward ...this scheme, we discuss the design criteria and evaluate the achievable ...
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Capacity bounds for multiple access cognitive interference channel
... achievability scheme, we consider an aware primary receiver and obtain an inner bound on the capacity region based on using superposition coding in the encoding part and allowing both receivers to decode all ...
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Modeling the Throughput of 1-persistent CSMA in Underwater Networks
... 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 implementing a ...
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Title: ACCESS TO HIDDEN TERMINAL PROBLEM USING CHANNEL TONE MULTIPLE ACCESS
... CSMA scheme with no hidden terminals, successful transmission of a data packet until (maximum propagation delay) after the beginning of transmission makes any other terminals recognize that someone is occupying ...
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Quantize-and-Forward Schemes for the Orthogonal Multiple-Access Relay Channel
... unequal channel quality on the source–relay ...this scheme. The scheme incurs small delay, since no (soft) decoding is required at the relay node to achieve these ...
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Fractionally Spread Multicarrier CDMA: A Multiple Access Scheme for Various Wireless Channels
... modulation and channel delay are assumed to be perfect esti- mates. By contrast, for the slowly fading channels considered, both the fading amplitudes as well as the phases are indepen- dent of the fraction index ...
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Channel Assignment Scheme based on Learning Automata for Clustered Wireless Ad-Hoc Networks
... the channel access based on the demand of the hosts for packet ...medium access control algorithms are ...the channel. In contention-access (or random access) protocols, the ...
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Relay Selection for Multiple Access Relay Channel Using JNCC
... Generalized-multiple access relay channel that uses ...this scheme is to minimize the Bit Error rate by maintaining the same diversity order as that of the conventional cooperative ...network ...
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A Novel Hybrid Multiple Access Scheme in Downlink for 4G Wireless Communications
... DS-CDMA scheme. In TD-MC- CDMA scheme also, the chips of spread data symbol are transmitted in frequency direction over several parallel subchannels or in time direction over several multicarrier ...
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Compressive Sensing Based Detection Strategy For Multiple Access Spatial Modulation Channel
... This effect is because of the novel transceiver structures consist of larger number of antennas, transmission power or complexity in their signal processing algorithms that has been designed to accommodate this growth. ...
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Impact of DBTMA (Dual Busy Tone Multiple Access) on AODV (Ad Hoc on Demand Vector) Routing Protocol
... to access the channel with reduced collision ...Single channel protocol and Multi-channel ...single channel protocol the MACAW (Medium Channel Access for Ad-hoc Wire- ...
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Multiuser Detection using IDMA Scheme in UWB Home Environment
... IDMA scheme is ...and Multiple Access Interference (MAI) has been issued ...using channel sounding of 2-8 GHz band collected in residential setting, for bit rates of 100Mbps and spreading ...
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How Many Channels Should Be Sensend in Cognitive Radio Networks?: An Energy Efficiency Perspective
... and channel scheduling, neglecting the potential optimization from the space perspective ...available channel set (ACS) for a SU may be time-varying in different locations, the literature [12] researched ...
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Vol 9, No 3 (2017)
... [1]. Multiple access scheme is the key technology in the history of wireless communication to distinguish all generations from 1G to ...orthogonal multiple access (OMA) schemes, such as ...
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Encrypted Audio Signal Transmission in 5G Compatible Downlink Multiuser Pattern Division Multiple Access (PDMA) Wireless Communication System
... Division Multiple Access (PDMA) scheme implemented wireless communication system model in simplified form has been presented in Figure ...security scheme. The encrypted data are channel ...
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Carrier Inferrometric Code Based Variable Rate Transmission Schemes for Satellite Communication System
... Division Multiple Access (MC-CDMA) is a promising approach to the challenge of providing high data rate in mobile satellite ...for multiple user. Assuming a frequency selective Rayleigh fading ...
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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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