Bidirectional bandwidth allocation for TCP performance enhancement in mobile WiMAX networks

Eun Chan Park; Jae Young Kim; Hwangnam Kim; Han Seok Kim

doi:10.1109/PIMRC.2008.4699745

Bidirectional bandwidth allocation for TCP performance enhancement in mobile WiMAX networks

Eun Chan Park, Jae Young Kim, Hwangnam Kim, Han Seok Kim

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

We propose a virtual bidirectional connection for efficient bandwidth allocation to downlink TCP data and uplink acknowledgment (ACK) in mobile WiMAX networks based on IEEE 802.16. We observed that, in serving a downlink TCP flow, the standard bandwidth-request/allocation mechanism inevitably results in additional delay to transmit uplink TCP ACK, which increases round trip time of downlink TCP flow and decreases its throughput accordingly. To resolve this problem, we propose a hybrid approach combining proactive bandwidth allocation with piggyback bandwidth request. The proposed framework removes the unnecessary bandwidth-request delay, and also decreases signaling overhead involved in the bandwidth-request Simulation results show that this approach significantly increases downlink TCP throughput and uplink bandwidth efficiency.

Original language	English
Title of host publication	2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008
DOIs	https://doi.org/10.1109/PIMRC.2008.4699745
Publication status	Published - 2008
Event	2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008 - Poznan, Poland Duration: 2008 Sept 15 → 2008 Sept 18

Publication series

Name	IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

Other

Other	2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008
Country/Territory	Poland
City	Poznan
Period	08/9/15 → 08/9/18

Keywords

Bandwidth request & allocation
IEEE 802.16e MAC
Mobile WiMAX
TCP performance

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/PIMRC.2008.4699745

Cite this

Park, E. C., Kim, J. Y., Kim, H., & Kim, H. S. (2008). Bidirectional bandwidth allocation for TCP performance enhancement in mobile WiMAX networks. In 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008 Article 4699745 (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC). https://doi.org/10.1109/PIMRC.2008.4699745

Bidirectional bandwidth allocation for TCP performance enhancement in mobile WiMAX networks. / Park, Eun Chan; Kim, Jae Young; Kim, Hwangnam et al.
2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008. 2008. 4699745 (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Park, EC, Kim, JY, Kim, H & Kim, HS 2008, Bidirectional bandwidth allocation for TCP performance enhancement in mobile WiMAX networks. in 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008., 4699745, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008, Poznan, Poland, 08/9/15. https://doi.org/10.1109/PIMRC.2008.4699745

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Bidirectional bandwidth allocation for TCP performance enhancement in mobile WiMAX networks

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Keywords

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