11927 search results - page 2240 / 2386 » Wireless Sensor Networks |
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
—Passive RFID tags transmit their ID information to a tag reader upon energization by the reader. These transmitted signals, or IDs, may collide if multiple tags transmit their I...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
—UWB technology can reach centimetre level ranging and positioning accuracy in LOS propagation when time of arrival techniques are used. However, in a real positioning system, th...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Besides delivering high data rates in a point-to-point scenario, multi-input multi-output (MIMO) antenna techniques can broadcast personalized data to multiple users in the poi...
ASYNC
2007
IEEE
14 years 2 months ago
2007
IEEE
This paper explores the advantages of high performance asynchronous circuits in a semi-custom standard cell environment for high-throughput turbo coding. Turbo codes are high-perf...