2. Alter functionality of the system by downloading and running new software.
3. Possibility of adaptively choosing an operating frequency and a mode best suited
to prevailing conditions.
4. Opportunity to recognize and avoid interference with other RFID readers and
communication devices in a high-density reader environment.
5. Elimination of analog hardware and its cost, resulting in simpli?¬?cation of data
logging reader architectures and improved performance.
6. Chance for new experimentation and development of new RFID protocols.
7. Support of multiple modulation formats.
8. System can be simulated Exactly.
9. Flexible bandwidth selection and management.
10. Ability to dynamically join or leave an ad hoc network formed by other readers in
proximity.
11. Ability to transmit neighbor information to other readers or a server along with a
request to transmit.
12. Ability to scan the status of its neighbors and respond accordingly.
13. On collision with other readers, reducing its power level by a prede?¬?ned factor.
Although SDLR offers bene?¬?ts as outlined above, a few obstacles remain to its universal
acceptance. Those include:
1. Dif?¬?culty of writing software for various target systems
2. Need for interfaces to digital signals and algorithms
3. Poor dynamic range in some of the designs
5.1.4 Novel Properties of SDLR
SDLR is capable of adjusting its software to suit the particular RFID environment in use.
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