From 896b5f42b4058b49b273135866196ef8e31cabfd Mon Sep 17 00:00:00 2001 From: mmiozzo Date: Thu, 26 Jan 2012 16:43:12 +0100 Subject: [PATCH] Merge with ns-3-lena-dev changeset 8404:426a5a05ec49 for starting MIMO development --- src/lte/doc/source/lte-phy-error-model-design.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/lte/doc/source/lte-phy-error-model-design.rst b/src/lte/doc/source/lte-phy-error-model-design.rst index 04d68d39c..78039f2fc 100644 --- a/src/lte/doc/source/lte-phy-error-model-design.rst +++ b/src/lte/doc/source/lte-phy-error-model-design.rst @@ -9,7 +9,7 @@ PHY Error Model +++++++++++++++ -The simulator includes an error model of the data plane (i.e., PDSCH) according to the standard link-to-system mapping (LSM) techniques. The choice is aligned with the standard system simulation methodology of OFDMA radio transmission technology. Thanks to LSM we are able to maintain a good level of accuracy and at the same time limiting the computational complexity increase. It is based on the mapping of single link layer performance obtained by means of link level simulators to system (in our case network) simulators. In particular link the layer simulator is used for generating the performance of a single link from a PHY layer perspective, usually in terms of code block error rate (BLER), under specific static conditions. LSM allows the usage of these parameters in more complex scenarios, typical of system/network simulators, where we have more links, interference and "colored" channel propagation phenomena (e.g., frequency selective fading). +The simulator includes an error model of the data plane (i.e., PDSCH) according to the standard link-to-system mapping (LSM) techniques. The choice is aligned with the standard system simulation methodology of OFDMA radio transmission technology. Thanks to LSM we are able to maintain a good level of accuracy and at the same time limiting the computational complexity increase. It is based on the mapping of single link layer performance obtained by means of link level simulators to system (in our case network) simulators. In particular link the layer simulator is used for generating the performance of a single link from a PHY layer perspective, usually in terms of code block error rate (BLER), under specific static conditions. LSM allows the usage of these parameters in more complex scenarios, typical of system/network simulators, where we have more links, interference and "colored" channel propagation phenomena (e.g., frequency selective fading). To do this the Vienna LTE Simulator [Vienna]_ has been used for what concerns the extraction of link layer performance and the Mutual Information Based Effective SINR (MIESM) as LSM mapping function using part of the work recently published by the Signet Group of University of Padua [PaduaPEM]_.