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Development of a Single-Chip RF Front-End LSI for Wireless LAN With Transmission Line Based Matching Circuits
White Papers In Direct Conversion Receiver (DCR) architecture, the design of mixer is one of the most important steps for a high-performance DCR because it involves the issues of flicker (1/f) noise and conversion gain simultaneously.
[December 6, 2007, 0:01]
RFID Tags and Contactless Smart Card Technology: Comparing and Contrasting Applications and Capabilities
White Papers Many applications are now using radio frequency (RF) chip technology to automatically identify objects or people. While these applications all use radio waves to communicate information, the RF chip technology used for each is quite different...
[August 23, 2005, 6:00]
Not so bright at The Economist
Blog Comment The Ceravision system is actually very efficient, not just in the coupling of RF power to the bulb, but all the way from the wall socket to the output light. A few words about generating RF. Second, solid state RF power chips are developing rapidly...
[July 2, 2007, 14:08]
The Impact of Emerging RFID Technology in the Wirefree Environment for Automatic Identification, Data Collection and Dedicated Short Range Communication
White Papers With RFID, the electromagnetic or electrostatic coupling in the RF (radio frequency) portion of the electromagnetic spectrum is used to transmit signals. An RFID system consists of an antenna and transceiver, which read the radio frequency and...
[November 20, 2009, 0:25]
Video-Streaming Applications Enabled Across Bluetooth V. 2.0 Interconnects
White Papers To harness that capacity in the presence of RF noise, various techniques should be applied. Datarate swapping reduces RF loss and obviates the need for ARQ. Bluetooth v.s enhanced datarates bring quality video streaming within scope.
[October 22, 2008, 1:01]
Microtune acquires Bluetooth chip maker
News Texas-based Microtune, a maker of radio-frequency (RF) chips and systems, is to make a quick entry into the Bluetooth market with its acquisition of Transilica, the companies announced on Monday. The company says it employs a substantial in-house...
[October 30, 2001, 11:55]
SMS answers London's recycling SOS
Talkback I was looking to something along these lines except it involved the home network and RF-ID enabled bins. It works on the premise that when the bin man collects the bin an RF-ID tag alerts the home server to the collection, naturally the timetable...
[September 16, 2005, 19:24]
Hybrid Ultrasound - RFID Indoor Positioning: Combining the Best of Both Worlds
White Papers Existing hybrid ultrasound/RF positioning systems usually measure ultrasonic time-of-flight. Therefore a new system is proposed where only the room-indicating capability of ultrasound is utilized and combined with RF.
[November 20, 2009, 0:25]
Schools panic over WiFi
Blog Comment Graham, I understand your point.at the end of the day, nothing is safe until it is proved to be so, and 2.4GHz RF hasn't been proven to be safe. In fact, has any RF ever been proved to be safe? Are cables safe?
[November 22, 2006, 12:22]
Antenna Selection in High-Throughput Wireless LAN
White Papers This paper presents a new method for implementing antenna selection in high-throughput Wireless LANs (WLANs), addressing two major practical concerns: antenna selection training protocol design, and calibration to solve RF imbalance problems.
[December 6, 2007, 0:01]
On-demand Webcast: Deploy and Troubleshoot Wi-Fi in the Enterprise
White Papers This webcast will show you how to prepare the wired network, how to install wireless access points, how to troubleshoot RF coverage and secure your network from rogue devices using Fluke Networks' EtherScope Series II Network Assistant.
[November 8, 2007, 14:51]
Microsoft Optical Desktop Elite for Bluetooth review
Reviews Adding Bluetooth to your PC is as simple as inserting the bundled USB transceiver dongle into a vacant port -- but unlike with RF wireless devices, pairing the keyboard and mouse with your system calls for a little more effort.
[November 5, 2004, 10:53]
Windows to become RFID-friendly
Talkback I would like my home network to work with all wireless standards, why can't I have devices that take advantage of RF-ID too. Why it was only yesterday I was talking to my local council about the garden waste recycle bin going missing, if it had an...
[July 6, 2005, 21:31]
microID 13.56 MHz RFID System Design Guide
White Papers The tag is energized by a time-varying electromagnetic radio frequency (RF) wave that is transmitted by the reader. This RF signal is called a carrier signal. Because of its simplicity for use, the passive RFID system has been used for many years...
[January 11, 2006, 0:01]
FCC rule change hits Bluetooth
News The proposal, by the Home RF Working Group, to make 3MHz and 5MHz channels for frequency hopping radios legal would allow FH systems to achieve greater than 10Mbps data rates. The root of the rule change is in the Home RF Working Group's ambition...
[October 5, 1999, 9:44]
Perytons Analyzer Architecture
White Papers The protocol specific elements include RF front-end, data capture interface, and the protocol processor. With the exception of the RF front-end, which require dedicated hardware (supplied with the analyzer), all other elements are implemented in...
[February 14, 2009, 0:24]
Chip ushers in the disposable mobile
News Putting the digital baseband, SRAM, logic, radio frequency (RF), power management and analogue functions on one piece of silicon will, TI says, make it cheaper and easier for manufacturers to build entry-level phones.
[January 25, 2005, 13:20]
Control Your Network: Comprehensive Management for Demanding Wireless Networks
White Papers Motorola's suite of RF Management tools changes that with flexibility to suit the needs of various distributed wireless networks. Mobility Software Platform (MSP) RF Management Edition, LANPlanner, RF Management Software and Wireless Intrusion...
[May 21, 2008, 1:01]
Wireless Sensor Technologies for Automated Tracking and Monitoring of Construction Materials Utilizing Zigbee Networks
White Papers Feasibility study shows that accuracy with combination of RF and ultrasound is better than the one that uses only RF signal. This paper introduces Automated Material TRACking (AMTRACK) system architecture.
[April 15, 2009, 1:22]
Mobile mast attacks raise vigilante concerns
Talkback I work for a company who specialise in building and rigging mobile phone masts.Although many of the sites that we rig are not powered up we do have the odd occasion where we rig on shared sites.These sites are fully operational whilst we are...
[February 8, 2005, 19:47]
