Vertical optimization of data transmission for mobile wireless terminals

Authors:
M. Methfessel;K. F. Dombrowski;P. Langendorfer;H. Frankenfeldt;I. Babanskaja;I. Matthaei;R. Kraemer
Affiliations:
IHP, Frankfurt, Germany;-;-;-;-;-;-
Venue:
IEEE Wireless Communications
Year:
2002

Citing 0
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Abstract

A major problem for TCP connections over wireless links is that errors introduced by the wireless channel interfere with the TCP protocol, leading to reduced data rates and power wastage. Based on accurate simulations for the TCP and IEEE 802.11 MAC protocols, we discuss recipes to optimize transmission. It is argued that the best approach is to restrict modifications to the mobile device. While this requires separate solutions for the uplink and downlink, the results of optimization are then available when roaming into any WLAN obeying the relevant MAC protocol. Simulation results show that the combination of specific strategies with a vertical interaction between the protocol layers can lead to the required improvements, giving a promising approach to enhance the performance of wireless mobile terminals.