Direct Conversion RF Front End Receiver for 5.8 GHZ WLAN Application

Imran, Mohd Ibrahim and Noor Azwan, Shairi (2010) Direct Conversion RF Front End Receiver for 5.8 GHZ WLAN Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Wireless LAN is seen as the technology that .will enable the most convenient link between existing wired networks and portable computing and communications equipments, such as laptop computers and personal digital assistants (PDAs), at the office, hotel, company, or campus level. Building company and campuswide data communications through the WLAN can reduce the need for wiring among several buildings. In general, the application of the WLAN systems can be simply between two computers or betWeen a computer and a wired network, all the way up to a complete network with many users and a great numbers of data paths. The IEEE 802.1la standard defmes a WLAN .system based on the orthogonal frequency division multiplexing (QFDM) technology that splits an information signal across 52 separate subcarriers to provide a transmission of data rate up to 54 Mbps and throughput over 24.3 Mbps, and. the operating frequency of the system is in license-free (UNIT band) 5.15 to 5.35 GHz and 5.725 to 5.875 GHz bands. The high data rate WLANs like the 802.11 a systems satisfy requirements of multimedia applications including streaming HDTV- quality video in the home, high-speed Internet, and file transfer.

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