NDLI: Link Level Modeling For High Speed Wireless Communication System Simulations

Content Provider	IEEE Xplore Digital Library
Author	Yi Zhang Jian Gu Dacheng Yang
Copyright Year	2006
Description	Author affiliation: Sch. of Telecommun. Eng., Beijing Univ. of Posts & Telecommun. (Yi Zhang; Jian Gu; Dacheng Yang)
Abstract	The interface between link and system level simulations is important for accurate evaluation of wireless communication systems. Two popular methods, modified actual value interface (AVI) and quasi-static method (QSM) cannot accurately model the $E_{s}/N_{t}$ variation brought by fading channel and link adaptation. $E_{s}/N$ $_{t}$ variation brings link performance loss and it is important to model its effect to system performance. A new method is proposed to characterize $E_{s}/N_{t}$ variation with standard deviation of equivalent $E_{s}/N_{t}$ in this paper. Subslot is also used as the minimal unit of $E_{s}/N_{t}$ calculation to achieve more accurate modeling for high velocity. Link level results show the importance of modeling $E_{s}/N_{t}$ variation, for example, link performance loss can be as high as 2.5 dB when standard deviation of equivalent per-subslot $E_{s}/N_{t}$ is 5 dB. Furthermore, Simulation results verify that the proposed method can accurately model Es $}/N_{t}$ variation for system level simulations
Starting Page	1
Ending Page	4
File Size	4974239
Page Count	4
File Format	PDF
ISBN	1424405483
DOI	10.1109/TENCON.2006.343989
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Multiaccess communication Redundancy Base stations Fading Error analysis Performance loss Communication system control System performance Design optimization
Content Type	Text
Resource Type	Article

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