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"Protecting a mobile Radar unit from lightning strike is a very demanding task," commented Americo Dominicis, Selex-SI. "CST MWS, in particular its time domain simulation capabilities, helped us to understand the impact of various parameters on the specification of an LPS before running expensive, time-consuming tests."
High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA) optimize UMTS for packet data services in downlink and uplink, respectively. Together, they are referred to as High Speed Packet Access (HSPA). Within 3GPP release 7 and 8, further improvements to HSPA have been specified in the context of HSPA+ or HSPA evolution. This application note introduces key features of HSPA+ and outlines the changes to the radio interface.
Modern radio communication systems have to provide higher and higher data rates. As conventional methods like using more bandwidth or higher order modulation types are limited, new methods of using the transmission channel have to be used. Multiple antenna systems (Multiple Input, Multiple Output – MIMO) gives a significant enhancement to data rate and channel capacity. This application note gives an introduction to basic MIMO concepts and terminology and explains how MIMO is implemented in different radio communications standards.
This application note describes ATSC Mobile DTV standard A/153, ATSC-M/H. This standard is completely implemented in the R&S®AEM100 ATSC-M/H Emission Multiplexer.
CST MICROSTRIPES™ EMC Edition (CST MS/EMC) is a 3D electromagnetic simulation tool based on the time-domain Transmission-Line Matrix (TLM) method and is ideal for direct transient or broadband applications typically found in EMC/EMI/E3 and antenna applications. With CST's proprietary "compact modeling" techniques for efficiently representing coupling through apertures/panels and interactions with cabling, CST MS/EMC delivers unprecedented performance for real-world applications.
