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In this amendment to IEEE Std 802.15.4(TM)-2011, outdoor low-data-rate, wireless, television white space (TVWS) network requirements are addressed. Alternate physical layers (PHYs) are defined as well as only the medium access control (MAC) modifications needed to support their implementation.
This amendment provides two PHYs (MSK and LRP UWB) that can be used in a wide range of applications requiring various combinations of low cost, low energy consumption, multiyear battery life, reliable communications, precision location, and reader options. This PHY standard supports the performance and flexibility needed for future mass deployments of highly populated autonomous active RFID systems...
A direct conversion demodulator at 60GHz based on Gilbert cells down-converter is presented in this paper. The OOK modulation allows using a single detector on receiver side to discriminate the 0 or 1 data. The conventional diode based detector presents conversion losses and obviously a high noise figure. Derived from the classic Gilbert cell mixer the demodulator presents a conversion gain of 9.7dB,...
Mixed-signal modules are being used extensively in real-time cyber-physical system design. Such real-time systems experience large changes in workload. In addition, due to the use of aggressively scaled silicon technologies, the nominal performances of ICs used in the design can vary significantly from IC to IC and within each IC from one corner of the IC to another. The key hypothesis of this research...
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