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This paper presents a Multi-Frequency Time Division Multiple Access (MF-TDMA) scheme for long-packet and energy-constraint Radio Frequency Identification (RFID) sensing applications. The scheme takes advantages of both multiple transmission channels and scheduled time slots for high throughput and low latency. In addition, a dedicated channel is allocated to provide synchronization and coordination...
This paper presents optimizations on guard time and synchronization cycle for Time Division Multiple Access (TDMA) based deterministic Radio Frequency Identification (RFID) system. The TDMA scheme can provide guaranteed latency and high throughput for RFID system that includes fixed number of users (tags) and requests long-message transmission. However, collisions due to accumulated clock drifts of...
The present state of the art research in the direction of embedded systems demonstrate that analysis of life-cycle, sustainability and environmental assessment have not been a core focus for researchers. To maximize a researcher's contribution in formulating environmentally friendly products, devising green manufacturing processes and services, there is a strong need to enhance life-cycle awareness...
With amplitude shift keying (ASK) modulation and signal envelope rising falling edge slope requirements, the efficiency of UHF RFID system can be improved by using polar transmitter architecture than using linear power amplifiers. In this work, to ensure maximum integration and meet EPC Class-1 Generation-2 specification, an all digital polar transmitter is proposed and verified by transient signal...
Pervasive healthcare solution for medication noncompliance problem would help to save $177 billion annually in the United States. And the rapidly increasing demanding of daily monitoring with onsite diagnosis and prognosis is driving homecare solutions to integrate more and more sensing and data processing capacities. So a powerful system is needed not only to address the medication noncompliance...
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