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multiple access fading channels

Decentralized estimation over orthogonal multiple-access fading channels in wireless sensor networks--optimal and suboptimal estimators

Decentralized estimation over orthogonal multiple-access fading channels in wireless sensor networks--optimal and suboptimal estimators

... orthogonal multiple- access fading channels in this ...Considering multiple-bit quantization for digital transmission, we develop maximum likelihood estimators (MLEs) with both known ...

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Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels

Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels

... over multiple narrowband ...introduces fading under various ...of fading channels, the amount of fading in multipath component is an important parameter which decides ...of ...

7

Application of non orthogonal multiple access in cooperative spectrum sharing networks over Nakagami m fading channels

Application of non orthogonal multiple access in cooperative spectrum sharing networks over Nakagami m fading channels

... In this paper, a novel NOMA-based cooperative transmis- sion scheme has been proposed for the spectrum-sharing CRN. The rationale behind is that the primary network shares the available spectrum with the secondary ...

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Performance of Space Division Multiple Access Systems Communicating over Nakagami Fading Channels

Performance of Space Division Multiple Access Systems Communicating over Nakagami Fading Channels

... Abslracf- Performance of a space-division multiple-access SDMA system is investigated, when the space-time block coded signals based on two transmit antennas are transmitted over Nakagam[r] ...

5

MIMO Assisted Space Code Division Multiple Access: Linear Detectors and Performance over Multipath Fading Channels

MIMO Assisted Space Code Division Multiple Access: Linear Detectors and Performance over Multipath Fading Channels

... In this contribution, we have proposed and investigated a MIMO SCDMA system, which combines both space-division and code-division, associated with using the STS transmit diversity scheme. Three low-complexity linear ...

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Performance Analysis of OFDM-Based Decode-and-Forward Relay Network with Multiple Interferers over Rayleigh Fading Channels

Performance Analysis of OFDM-Based Decode-and-Forward Relay Network with Multiple Interferers over Rayleigh Fading Channels

... frequency channels for high- spectrum utilization, the cochannel interference (CCI) is unavoidable in the cellular ...time-division multiple-access (TDMA) system in which a single time slot is shared ...

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Wireless energy harvesting using signals from multiple fading channels

Wireless energy harvesting using signals from multiple fading channels

... hybrid access point was proposed where the access point broadcasts wireless power in the downlink followed by data transmission using the harvested energy in the upper link in a time-division duplex ...

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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

... multicarrier access schemes is to provide sprectral efficiency, interference suppression capability and high data rate transmission over frequency selective fading ...

6

Transmitter Diversity and Multiuser Precoding for Rayleigh Fading Code Division Multiple Access Channels

Transmitter Diversity and Multiuser Precoding for Rayleigh Fading Code Division Multiple Access Channels

... diversity receiver designed specifically for CDMA systems. It was shown that diversity techniques can be used to improve the error performance of systems experiencing fading [1]. The performance of the RAKE ...

133

Resource allocation for the multiple access relay channels and OFDMA

Resource allocation for the multiple access relay channels and OFDMA

... In order to maximise the sum rate, the resource allo- cation problem (14) to (20) has to be solved. We con- sider a slow-fading environment where full channel state information (CSI) is available at a central ...

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On Comparison Analysis of Multiple Interference MIMO Systems with Un Correlated Rician Fading Channels

On Comparison Analysis of Multiple Interference MIMO Systems with Un Correlated Rician Fading Channels

... real-world channels are characterized by a deterministic or line-of-sight ...Rician fading conditions ...proposed multiple signature sequences (instead of one) per user in a multicarrier direct- ...

5

Equilibria of channel selection games in parallel multiple access channels

Equilibria of channel selection games in parallel multiple access channels

... the multiple-input multiple- output (MIMO) interference channel (IC), the NE analysis of the MIMO-IC [14-18] does not directly apply to the case of parallel ...fast fading links and shows substantial ...

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Bi-Level Fh-Cdma Scheme For Communication Systems Over Rayleigh And Rician Channels

Bi-Level Fh-Cdma Scheme For Communication Systems Over Rayleigh And Rician Channels

... multipath fading and interference [1], ...to multiple access interference (MAI) and multipath interference, less stringent power ...allows multiple users to share the same transmission channel ...

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Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels

Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels

... In cellular networks, multiple access interference (MAI) may arise when more than one user transmit over the same frequency band at the same time in the uplink. This happens when users in closely located ...

9

A Bayesian Game Theoretic Approach for Distributed Resource Allocation in Fading Multiple Access Channels

A Bayesian Game Theoretic Approach for Distributed Resource Allocation in Fading Multiple Access Channels

... The fading multiple access channel (MAC) is a basic wireless channel model that allows several transmitters connected to the same receiver to transmit over it and share its ...the fading MAC ...

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Capacity of Time Hopping PPM and PAM UWB Multiple Access Communications over Indoor Fading Channels

Capacity of Time Hopping PPM and PAM UWB Multiple Access Communications over Indoor Fading Channels

... MULTIPLE ACCESS PPM OR PAM UWB SYSTEM With more than one user active in the system, multiaccess interference (MAI) is a major factor limiting performance and capacity, particularly for a large number of ...

9

Bandwidth efficient multi-station wireless streaming based on complete complementary sequences

Bandwidth efficient multi-station wireless streaming based on complete complementary sequences

... from multiple base stations to a client is recognized as a robust technique for multimedia stream- ...wireless channels poses serious challenges, especially multiple access interference, ...

5

Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes

Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes

... of multiple antennas to improve energy/spectral ...in fading channels to reduce the effect of flat fading on system performance, including both fixed terminals and mobile communications ...

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Brief Announcement: Unbounded Contention Resolution in Multiple-Access Channels

Brief Announcement: Unbounded Contention Resolution in Multiple-Access Channels

... A common theme in protocols used for this problem is the adaptive adjust- ment of some user variable that reflects its eagerness in trying to access the shared resource. Examples of such variable are the ...

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Multiuser diversity in correlated Rayleigh fading channels

Multiuser diversity in correlated Rayleigh fading channels

... Employment of adaptive modulation and scheduling leads to substantial performance improvement in multiu- ser systems, normally called multiuser diversity [1-12]. This is the main motivation for the current scheduling- ...

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