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A new method of evaluating the interference to a wireless LAN with a built-in antenna using a gigahertz transverse electromagnetic (GTEM) cell is proposed. The GTEM cell can generate a wideband electromagnetic field from dc up to several gigahertz with a high spatial uniformity in the cell. This is advantageous for configuring a system for a victim receiver with a built-in antenna. Furthermore, the...
A new method for experimentally simulating the interference between UWB (ultra wideband) and WLAN (wireless LAN) systems is presented. The method employs a GTEM (gigahertz transverse electromagnetic) cell, which is usually used for EMC testing at microwave frequencies, to generate a uniform electromagnetic field with a wideband interfering signal. The method has the following advantages: 1) The evaluation...
In this study, the electromagnetic interference of an MB-OFDM UWB system with an IEEE802.11a wireless LAN was evaluated using a GTEM cell. Band #3 (out-of-band radiation for 11a) in the band plan of the MB-OFDM UWB system and Band #4 (in-band radiation for 11a) were assumed to be two different types of interference. As a result, when the frequencies of the MB-OFDM UWB corresponded to Band #3, the...
In this study, an electromagnetic interference of an MB-OFDM UWB system with an IEEE802.11a wireless LAN was evaluated using a GTEM cell. Band #3 (out-of-band radiation for 11a) in the band plan of the MB-OFDM UWB system and Band #4 (in-band radiation for 11a) were assumed to be two different types of interference. As a result, when the frequencies of the MB-OFDM UWB corresponded to Band#3, MB-OFDM...
We propose the method of the interference evaluation between the UWB and the wireless LAN by using the GTEM cell that can test the receiver with the antenna built-in type in the paper. We show that the GTEM cell can be used in the frequency band of DS-UWB by the evaluation of the frequency response. The interference evaluation was conducted between wireless LAN IEEE 802.11 a and DS-UWB. As a result,...
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