Suitability of DAMA and contention-based satellite access schemes for TCP traffic in mobile DVB-RCS

Nedo Celandroni; Raffaello Secchi

doi:10.1109/TVT.2008.2007899

Suitability of DAMA and contention-based satellite access schemes for TCP traffic in mobile DVB-RCS

Nedo Celandroni^*, Raffaello Secchi

^*Corresponding author for this work

Engineering

National Research Council of Italy

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The problem of optimizing access and bandwidth sharing among Transmission Control Protocol (TCP) connections in the mobile digital video broadcasting return channel via satellite (DVB-RCS) is tackled in this paper. After sketching the general system architecture, we explicitly deal with the dynamic assignment of bandwidth to TCP connections on the return link, which is accomplished by a network control center (NCC) placed onboard the satellite. Mobile users access the satellite in multifrequency time-division multiple access (MF-TDMA), whereas they receive data from the NCC in time-division multiplexing (TDM). Two different techniques, based on deterministic and random access, are compared in terms of bandwidth usage and average completion time per connection, when the mobile user acts as both server and client. In the server case, to increase the TCP throughput, both packet-level forward error correction (FEC) on data sent by mobile users and a duplicated and delayed acknowledgment technique for TCP acknowledgment traffic from the NCC to the mobile users are applied. An analysis of the packet losses and a simulation campaign of file transfers by employing a realistic channel model has been carried out. The results of the analysis show the convenience of adopting a technique, in addition to the optimal data redundancy in different cases, such as the server or client role of users, their willingness to pay, the file size, and the environment type.

Original language	English
Pages (from-to)	1836-1845
Number of pages	10
Journal	IEEE Transactions on Vehicular Technology
Volume	58
Issue number	4
DOIs	https://doi.org/10.1109/TVT.2008.2007899
Publication status	Published - 2009

Bibliographical note

Funding Information:
Manuscript received January 28, 2008; revised July 17, 2008 and September 15, 2008. First published October 31, 2008; current version published April 22, 2009. This work was supported by the European Commission in the framework of the SatNEx-II Project under Contract 27393. The review of this paper was coordinated by Prof. Y. Cheng.

Keywords

DAMA
Demand assignment multiple access (DAMA)
Digital video broadcasting return channel via satellite (DVB-RCS)
Diversity slotted ALOHA (DSA)
DSA
DVB-RCS
Satellite mobile environment
TCP throughput
Transmission Control Protocol (TCP) throughput

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10.1109/TVT.2008.2007899

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title = "Suitability of DAMA and contention-based satellite access schemes for TCP traffic in mobile DVB-RCS",

abstract = "The problem of optimizing access and bandwidth sharing among Transmission Control Protocol (TCP) connections in the mobile digital video broadcasting return channel via satellite (DVB-RCS) is tackled in this paper. After sketching the general system architecture, we explicitly deal with the dynamic assignment of bandwidth to TCP connections on the return link, which is accomplished by a network control center (NCC) placed onboard the satellite. Mobile users access the satellite in multifrequency time-division multiple access (MF-TDMA), whereas they receive data from the NCC in time-division multiplexing (TDM). Two different techniques, based on deterministic and random access, are compared in terms of bandwidth usage and average completion time per connection, when the mobile user acts as both server and client. In the server case, to increase the TCP throughput, both packet-level forward error correction (FEC) on data sent by mobile users and a duplicated and delayed acknowledgment technique for TCP acknowledgment traffic from the NCC to the mobile users are applied. An analysis of the packet losses and a simulation campaign of file transfers by employing a realistic channel model has been carried out. The results of the analysis show the convenience of adopting a technique, in addition to the optimal data redundancy in different cases, such as the server or client role of users, their willingness to pay, the file size, and the environment type.",

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author = "Nedo Celandroni and Raffaello Secchi",

note = "Funding Information: Manuscript received January 28, 2008; revised July 17, 2008 and September 15, 2008. First published October 31, 2008; current version published April 22, 2009. This work was supported by the European Commission in the framework of the SatNEx-II Project under Contract 27393. The review of this paper was coordinated by Prof. Y. Cheng.",

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AB - The problem of optimizing access and bandwidth sharing among Transmission Control Protocol (TCP) connections in the mobile digital video broadcasting return channel via satellite (DVB-RCS) is tackled in this paper. After sketching the general system architecture, we explicitly deal with the dynamic assignment of bandwidth to TCP connections on the return link, which is accomplished by a network control center (NCC) placed onboard the satellite. Mobile users access the satellite in multifrequency time-division multiple access (MF-TDMA), whereas they receive data from the NCC in time-division multiplexing (TDM). Two different techniques, based on deterministic and random access, are compared in terms of bandwidth usage and average completion time per connection, when the mobile user acts as both server and client. In the server case, to increase the TCP throughput, both packet-level forward error correction (FEC) on data sent by mobile users and a duplicated and delayed acknowledgment technique for TCP acknowledgment traffic from the NCC to the mobile users are applied. An analysis of the packet losses and a simulation campaign of file transfers by employing a realistic channel model has been carried out. The results of the analysis show the convenience of adopting a technique, in addition to the optimal data redundancy in different cases, such as the server or client role of users, their willingness to pay, the file size, and the environment type.

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Suitability of DAMA and contention-based satellite access schemes for TCP traffic in mobile DVB-RCS

Abstract

Bibliographical note

Keywords

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