Adaptive FEC Reliable Multicast MAC Protocol for WLAN

Basalamah, Anas; Sato, Takuro

doi:10.1109/vetecf.2007.65

Cited by 13 publications

(11 citation statements)

References 8 publications

(5 reference statements)

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“…[15,16] describe the use in the Application and Network layers, respectively. [17][18][19][20][21][22][23][24] demonstrate the use of FEC blocks in the MAC and PHY layers.…”

Section: Related Workmentioning

confidence: 99%

Towards an optimal transmission of SDUs in IEEE 802.16e WiMAX systems

Alpert¹,

Segev²,

Sharon

2013

Physical Communication

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“…[15,16] describe the use in the Application and Network layers, respectively. [17][18][19][20][21][22][23][24] demonstrate the use of FEC blocks in the MAC and PHY layers.…”

Section: Related Workmentioning

confidence: 99%

Towards an optimal transmission of SDUs in IEEE 802.16e WiMAX systems

Alpert¹,

Segev²,

Sharon

2013

Physical Communication

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“…As a result, the reliability for multicast over WLAN cannot be guaranteed. To overcome this problem, a reliable multicast MAC protocol was introduced by us in [8]. The protocol is based on a modified RTS/CTS exchange where feedback collisions are allowed and used by the protocol to gather information about the channel conditions, and to dynamically adapt the FEC coding rates.…”

Section: Related Workmentioning

confidence: 99%

“…Further, we compare it to our byte-level FEC protocol [8] through computer simulation and PER performance analysis.…”

Section: Related Workmentioning

confidence: 99%

A Comparison of Packet-Level and Byte-Level Reliable FEC Multicast Protocols for WLANs

Basalamah

Sato

2007

IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference

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For wireless multicast applications like multimedia conferencing, voice over IP and video/audio streaming which require reliable transmission of packets within short delivery delay, adding Foward Error Correction (FEC) can enhance Packet Error Rate (PER) performance under low channel conditions, but cannot guarantee a reliable transmission. However, for applications like file transfer, distributed computing, chat and whiteboard sharing, reliability is crucial to the performance of the application. Reliable FEC or Hybrid Automatic Repeat Request (H-ARQ) can provide reliability, and can be deployed at different levels of the protocol stack. In this paper, we compare the performance of a reliable packet-level FEC protocol and a reliable byte-level FEC protocol through simulation and analytical analysis. Our result show that byte-level FEC can deliver a higher reliability performance in terms of throughput and delivery ratios.

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“…The 802.11 MAC protocol has adopted the acknowledgment (ACK) and retransmission based approach for its reliable data exchange. Indeed, many recent studies [4,5] have considered channel-quality-dependent adaptations of the physical (PHY) and MAC layers, in order to improve their reliabilities.…”

Section: Introductionmentioning

confidence: 99%

Fountain-Code Aided File Transfer in 802.11 WLANs

Chen

Maunder

Hanzo

2009

2009 IEEE 70th Vehicular Technology Conference Fall

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Abstract-Fountain codes constitute novel erasure codes, which have been standardized for Forward Error Correction (FEC) in broadcast network protocols and by the Third-Generation Partnersonhip Project (3GPP). The basic operational units of Fountain codes are source packets, which have a particular fixed length. These codes are invoked here in an 802.11 Wireless Local Area Network (WLAN) scenario for protecting file transfers. More specifically, the optimal packet length is selected by considering the 802.11 Media Access Control (MAC) retransmission rate and the properties of the physical layer's modulation scheme. Naturally, owing to the limited memory of the encoders/decoders, large source files must be decomposed into shorter transport blocks. Therefore, methods for partitioning the file and acknowledging the successful transmission of each block are also proposed here. Compared to the file transfer regime operating without FEC over the classic TCP protocol, the proposed regime requires a lower threshold SNR for accomplishing a successful file transfer and hence enhances the transmission efficiency by about 50%.

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Adaptive FEC Reliable Multicast MAC Protocol for WLAN

Cited by 13 publications

References 8 publications

Towards an optimal transmission of SDUs in IEEE 802.16e WiMAX systems

Towards an optimal transmission of SDUs in IEEE 802.16e WiMAX systems

A Comparison of Packet-Level and Byte-Level Reliable FEC Multicast Protocols for WLANs

Fountain-Code Aided File Transfer in 802.11 WLANs

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