Pairwise error probability analysis and optimal power allocation for selective decode-forward protocol over Nakagami-m fading channels

Shankar, Ravi; Kumar, Indrajeet; Kumari, Aradhana; Pandey, Km Niharika; Mishra, Ritesh Kumar

doi:10.1109/icammaet.2017.8186700

Cited by 16 publications

(13 citation statements)

References 8 publications

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“…Proportional fairness (PF) scheduling is a good trade-off between system throughput and fairness for NOMA scheduling and power allocation. PF also has a high level of complexity and is unable to limit the amount of resources available since it allocates the majority of resources to users with poor channel conditions [19,20].…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of NOMA Downlink for Next- Generation 5G Network with Statistical Channel State Information

Kumar¹,

Mishra²,

Mishra³

2021

ISI

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Non-orthogonal multiple access (NOMA) is a compelling strategy that helps wireless networks of the fifth-generation (5G) to fulfill the diverse demands of increased fairness, high reliability, extensive connectivity, low delay and superior performance. Traditionally, NOMA network presumes perfect transmitter-side channel state information (CSI), which is almost impossible for a number of communication scenarios. Furthermore, this paper contemplates the realistic NOMA downlink method in the Rayleigh fading networks, where the statistical CSI linked with each user is known to the transmitter. We evaluate the outage probability of the proposed model and obtain a closed-form framework of the probability of outage for each user. Besides, the source can optimize the network’s achievable sum-rate for different users based on statistical CSI. The precision of our outage probability analysis and the optimum power allocation algorithm proposed are both verified by the analytical and simulation results.

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Section: Introductionmentioning

confidence: 99%

Performance Analysis of NOMA Downlink for Next- Generation 5G Network with Statistical Channel State Information

Kumar¹,

Mishra²,

Mishra³

2021

ISI

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“…The channel is generally orthogonal for transmission between users and BSs in the various frequency-time environment. The selective decode forward (SD-F) cooperative system analysis is studied in works [15,16] over time by the selective Nakagami-m fading channel.…”

Section: Introductionmentioning

confidence: 99%

An Investigation of Spectral Efficiency in Linear MRC and MMSE Detectors with Perfect and Imperfect CSI for Massive MIMO Systems

Kumar¹,

Mishra²

2021

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In this paper, the performance of two linear detectors in multi-user (MU) multiple-input multiple-output (MIMO) systems is investigated. The uplink sum rate and lower bound of channel capacity is derived for both maximum-ratio combination (MRC) and minimum mean square error (MMSE) schemes considering imperfect and perfect channel state information (CSI) conditions. Results show that linear detector performance improves dramatically when the number of base station (BS) users is smaller than that of BS antennas. It is being demonstrated that in the case of imperfect CSI and the number of BS antennas in the conditions of perfect CSI the transmitting power of users can be decreased by the square root of the number of BS antennas. Simulation results show that the MMSE detector outperforms the MRC detector. The results indicated that the system's uplink sum rate is increased by using significantly larger antenna arrays as opposed to just one antenna system. The findings of the Monte-Carlo simulation are very close to the analytical results.

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“…Relay assisted cooperation is the first step towards the 5th generation (5G) wireless system, which is expected to offer up to 20Gbps in the downlink (D/L) and 10Gbps in uplink (U/L) wireless communication [2]. Numerous relaying schemes have been proposed in the existing literatures such as amplifyand-forward (AF) [3][4][5], decode-and-forward (DF) [6] and selective decode and forward (S-DF) [7][8][9][10][11][12]. However, the works [3][4][5][6] suffer from several significant drawbacks.…”

Section: Introductionmentioning

confidence: 99%

Outage Probability Analysis of MIMO-OSTBC Relaying Network Over Nakagami-m Fading Channel Conditions

Shankar¹,

Kumar²,

Mishra³

2019

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The objective of this study is to examine the outage probability (OP) performance of the multiple-input multiple-output (MIMO) cooperative communication system over Nakagamim fading channel conditions. Source node transmits orthogonal space time block code (OSTBC) codeword to the relay & destination node and maximal ratio combiner (MRC) is used for the decoding purpose at the destination node. A mathematical framework is developed for the analysis of diversity order (DO) of the system. The closed form expression of OP is derived in terms of confluent hypergeometric function of two variables considering perfect channel state information (CSI). The Simulation results verified the accuracy of the derived analytical results. Furthermore, the results shown that the distances between the nodes significantly affect the OP performance.

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Pairwise error probability analysis and optimal power allocation for selective decode-forward protocol over Nakagami-m fading channels

Cited by 16 publications

References 8 publications

Performance Analysis of NOMA Downlink for Next- Generation 5G Network with Statistical Channel State Information

Performance Analysis of NOMA Downlink for Next- Generation 5G Network with Statistical Channel State Information

An Investigation of Spectral Efficiency in Linear MRC and MMSE Detectors with Perfect and Imperfect CSI for Massive MIMO Systems

Outage Probability Analysis of MIMO-OSTBC Relaying Network Over Nakagami-m Fading Channel Conditions

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