【資料名稱】：LTE Capacity compared to the Shannon Bound

【資料作者】：(1) Aalborg University, Denmark

【資料日期】：2010

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

In this paper we propose a modification to Shannon Bound
capacity bound in order to facilitate accurate benchmarking of
UTRAN Long Term Evolution (LTE). The method is generally
applicable to wireless communication systems, while we have used
LTE air-interface technology as a case study. We introduces an
adjusted Shannon capacity formula, where we take into account
the system bandwidth efficiency and the SNR efficiency of LTE.
Separating these issues, allows for simplified parameter
extraction. We show that the bandwidth efficiency can be
calculated based on system parameters, while the SNR efficiency
is extracted from detailed link level studies including advanced
features of MIMO and frequency domain packet scheduling
(FDPS). We then use the adjusted Shannon capacity formula
combined with G-factor distributions for macro and micro cell
scenarios to predict LTE cell spectral efficiency (SE). Such LTE
SE predictions are compared to LTE cell SE results generated by
system level simulations. The results show an excellent match of
less that 5-10% deviation.
Index Terms—OFDMA, MIMO, Shannon Capacity, Wireless
system and link performance, LTE.

[ 本帖最后由 309172140 于 2010-12-28 18:38 編輯 ]