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Wireless 1394 over IEEE 802.15.3 must allow a data reserved for delivery over a wired 1394 network to be delivered over an IEEE 802.15.3 wireless network through bridging IEEE 1394 to IEEE 802.15.3. Isochronous transfers on the 1394 bus guarantee timely delivery of data. Specifically, isochronous transfers are scheduled by the bus so that they occur in every 125 mus and require clock time synchronization...
Performance of a new position location system using the transmitter identification (TxID) RF watermark in the digital TV (DTV) signals is analyzed in this paper. Compared to the Global Positioning System (GPS), DTV signals are received from transmitters at relatively short distances, while the broadcast transmitters operate at levels up to a few megawatts of effective radiated power (ERP), which makes...
Frequency-selective maximal ratio transmission (MRT) weights applied by the base station to each subcarrier in OFDM can greatly increase the range and significantly improve the link and system performance over a single transmit antenna. However, applying these frequency-selective MRT weights causes the composite channel seen by the mobile (the composite channel is the combination of the transmit weights...
We consider efficient time and frequency synchronization using one training symbol with a constant envelop for orthogonal frequency division multiplexing (OFDM) based mobile satellite service (MSS) systems over Rician fading channel. We propose a new preamble corresponding to only one OFDM symbol, where multiplication of a value of one sample and a conjugated value of its neighboring sample becomes...
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