Performance Comparison of Diversity Combining ARQ Error Control Schemes with Multi-Packet Detection Schemes

Pereira, Miguel Pérez; Bernardo, Luís; Dinis, Rui; Oliveira, Rodolfo; Pinto, Paulo

doi:10.1109/icccn.2010.5560156

Cited by 5 publications

(4 citation statements)

References 12 publications

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“…the transmission from the mobile terminal to the base station, is Single-Carrier with Frequency-Domain Equalization (SC-FDE) [8], [9]. Several techniques to cope with lost packets in SC-FDE were proposed, namely Packet Combining (PC) [2] and Multipacket Reception (MPR) [10], [11] techniques; both techniques have significant throughput and delay improvement [3], [12]- [15].…”

Section: Introductionmentioning

confidence: 99%

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Analytical Evaluation of Iterative Packet Combining and Multipacket Detection Schemes for SC-FDE

Ganhao

Dinis

Bernardo

2011

2011 IEEE Vehicular Technology Conference (VTC Fall)

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Packet Combining (PC) and Multipacket Reception (MPR) techniques have great potential to deal with lost packets since both take full advantage of the signals associated to all failed transmission attempts. However, their performance evaluation in practical systems is difficult because lengthy simulations are needed to obtain the packet error rates for specific channel conditions. The paper presents an analytical tool to obtain the Bit Error Rate (BER) and Packet Error Rate (PER) performances for Packet Combining (PC), Multipacket Reception (MPR) and the hybrid of both schemes, based on Iterative Block Decision Feedback Equalization (IB-DFE) receivers for Single-Carrier with Frequency-Domain Equalization (SC-FDE). A set of simulation results show that the proposed analytical approach has accurate Bit Error Rate (BER) and Packet Error Rate (PER)results with a simple and relatively fast method. 1

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Section: Introductionmentioning

confidence: 99%

“…p coefficients from(12), it is possible to compute the minimum MSE. From the MSE result, the analytical Bit Error Rate (BER) of user p at the ith iteration for a QPSK constellation is BER…”

mentioning

confidence: 99%

Analytical Evaluation of Iterative Packet Combining and Multipacket Detection Schemes for SC-FDE

Ganhao

Dinis

Bernardo

2011

2011 IEEE Vehicular Technology Conference (VTC Fall)

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“…[3]), the individual symbols from identical copies of a packet are combined to create a single packet with more reliable constituent symbols. H-ARQ with scheduled access supports higher throughput than NDMA, although with a higher packet delay [6]. In [7] an improved multipacket detection scheme that applies diversitycombining was proposed.…”

Section: Introductionmentioning

confidence: 99%

Performance of Hybrid ARQ for Network Diversity Multiple Access Schemes

Ganhao

Pereira

Bernardo

et al. 2011

2011 Proceedings of 20th International Conference on Computer Communications and Networks (ICCCN)

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Traditionally, a packet with errors, either due to channel noise or collisions, is discarded and needs to be retransmitted, leading to performance losses. Network Diversity Multiple Access (NDMA) handles collisions by combining a multipacket detection scheme with time diversity. In NDMA, the Base Station (BS) forces Mobile Terminals (MTs) to transmit J copies of each packet when J MTs collide. Diversity combining is limited to J copies of the packets, not allowing it to adapt to severe errors due to channel noise. This paper considers a multipacket detection scheme recently proposed, which reduces the packet error rate (PER) when more than J copies of the packets are available.In this paper, an Hybrid-ARQ NDMA access mechanism is proposed. The access mechanism forces contending MTs during a collision resolution epoch to transmit more than J times when errors are detected. Analytical models are proposed for the goodput and delay, considering Poisson traffic. The proposed system performance is evaluated for a Single-Carrier with Frequency Domain Equalization (SC-FDE) scheme, and compared to classical NDMA. 1

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“…[3]), the individual symbols from all packet copies are combined to create a single packet with more reliable constituent symbols. H-ARQ with scheduled access supports higher throughput than NDMA, although with a higher packet delay [6]. Caire and Tuninetti [7] studied the performance of H-ARQ with random access for the Gaussian collision channel, and concluded that the more packets are combined the better.…”

Section: Introductionmentioning

confidence: 99%

Performance of Hybrid ARQ for NDMA Access Schemes with Uniform Average Power Control

Ganhao¹,

Pereira²,

Bernardo³

et al. 2011

JCM

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Abstract-Traditionally, a packet with errors, either due to channel noise or collisions, is discarded and needs to be retransmitted, leading to performance losses. Network Diversity Multiple Access (NDMA) handles collisions by combining a multipacket detection scheme with time diversity. In NDMA, the Base Station (BS) forces mobile terminals (MTs) to transmit P copies of each packet when P MTs collide. Diversity combining is limited to P copies of the packets, not allowing it to adapt to severe errors due to channel noise. This paper considers a multipacket detection scheme recently proposed, which reduces the Packet Error Rate (PER) when more than P packet copies are available.In this paper, a Hybrid-ARQ NDMA (H-NDMA) access mechanism is proposed. The access mechanism forces MTs with reception errors during a collision resolution epoch to transmit more than P times. Analytical models for Poisson traffic are proposed for the throughput and delay. The proposed system's performance is evaluated for a Single-Carrier with Frequency Domain Equalization (SC-FDE) scheme, and compared to classical NDMA. H-NDMA parameter configuration is defined in terms of Quality of Service (QoS) requirements.

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Performance Comparison of Diversity Combining ARQ Error Control Schemes with Multi-Packet Detection Schemes

Cited by 5 publications

References 12 publications

Analytical Evaluation of Iterative Packet Combining and Multipacket Detection Schemes for SC-FDE

Analytical Evaluation of Iterative Packet Combining and Multipacket Detection Schemes for SC-FDE

Performance of Hybrid ARQ for Network Diversity Multiple Access Schemes

Performance of Hybrid ARQ for NDMA Access Schemes with Uniform Average Power Control

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