LMS (ML) Pseudo-distance Estimation - 2 Algorithm 2004 IP Application. - презентация

1 LMS (ML) Pseudo-distance Estimation - 2 Algorithm 2004 IP Application

2 Shape Pseudo-distance Estimation - 1

3 BS Synchronization Algorithm

4 Navigation Algorithm – Bayes Approach 2 Theory 2003 Patent Pending

5 Tag Parameters The tag size is 15 x 30 mm The tag size is 15 x 30 mm The tag MC is about 13 USD The tag MC is about 13 USD Power supply 3.7 V, lithium-ion batt. Frequency range is 2.4 – GHz Power supply 3.7 V, lithium-ion batt. Frequency range is 2.4 – GHz Output power – 20 dBm (max) Output power – 20 dBm (max) FCC b compliance FCC b compliance Burst length – 600 uc Burst length – 600 uc Data rate – 88.8 kbps Data rate – 88.8 kbps Chip length – 90.9 ns Chip length – 90.9 ns Fully internal SRC development including HW, SW and FW Fully internal SRC development including HW, SW and FW Parameters of the tag corresponds requirements Parameters of the tag corresponds requirements Testing result – OK Testing result – OK

6 Tag in Plastic Case

7 BS RF Board Structure

8 BS RF Board Parameters Fully internal SRC development Fully internal SRC development Parameters of the board corresponds requirements Parameters of the board corresponds requirements Testing result – OK Testing result – OK The board size is 100 x 100 mm The board size is 100 x 100 mm Power supply is 9 V Power supply is 9 V Frequency range is 2.4 – GHz Frequency range is 2.4 – GHz Sensitivity dBm Sensitivity dBm Powerful AGC Powerful AGC OCXO stability – ppm OCXO stability – ppm

9 Fully assembled BS and Tag)

10 Assembled Beacon

11 LPS Devices BOM (MC) BS BS DSP Board BOM (1+) BS DSP Board BOM (1+) BS RF Board BOM (1K+) BS RF Board BOM (1K+) Power supply for BS (1+) Power supply for BS (1+) WLAN Adaptor b WLAN Adaptor b D-Link (1+) D-Link (1+) Antenna for BS (1+) Antenna for BS (1+) Tag Tag Board BOM (1K+) Tag Board BOM (1K+) Rechargeable battery (1K+) Rechargeable battery (1K+) Beacon Tag Board BOM (1K+) Tag Board BOM (1K+) Rechargeable battery (1K+) Rechargeable battery (1K+) Antenna for BS (1+) Antenna for BS (1+)

12 BS Architecture

13 BS SW Structure

14 LPS SW Structure

15 LPS Server ScreenShot - 1

16 Experiment Resume TDoA method for indoor positioning is applicable TDoA method for indoor positioning is applicable Current version of the system achieve average accuracy of positioning less than 3 meters with probability equal about 0.8 Current version of the system achieve average accuracy of positioning less than 3 meters with probability equal about 0.8 Already collected statistics is not enough, additional experiments in different environments are needed with more numbers of BSs, beacons and tags Already collected statistics is not enough, additional experiments in different environments are needed with more numbers of BSs, beacons and tags Accuracy of positioning can be exchanged with dynamic of tracking, it also influence on number of served tags in condition of limited calculation power Accuracy of positioning can be exchanged with dynamic of tracking, it also influence on number of served tags in condition of limited calculation power Algorithms of PSD estimation, synchronization and navigation require additional tuning based on results of next experiments Algorithms of PSD estimation, synchronization and navigation require additional tuning based on results of next experiments Limitation of system performance must be defined based on results of next experiments Limitation of system performance must be defined based on results of next experiments

17 Competitors Results

18 Algorithm Development Status PSD Estimation Algorithms LMS (ML) Algorithm – developed, realized in SW and tested LMS (ML) Algorithm – developed, realized in SW and tested Shape Algorithm– developed, realized in SW and tested Shape Algorithm– developed, realized in SW and tested Current Results: Shape Algorithm gives more accurate estimation of PSD while, but LMS algorithm is not well tuned yet. Deduction: Continue experiments and fine tune the algorithms BS Synchronization Algorithm – developed, realized in SW and tested Current Results: The algorithm give acceptable accuracy, but still require additional check Deduction: Continue experiments and fine tune the algorithm, must be tested and tuned in case of several beacons Navigation Algorithm – developed, realized in SW and tested Current Results: The algorithm give acceptable in case of enough averaging of measurements, that worsen dynamic of tag tracking and influence on its number Deduction: Continue experiments with more than three BS and more than one beacon (when it will ready) in different environment, fine tune the algorithm, to find the balance between accuracy, number of tag and dynamic of tracking, based on calculation power of digital board

19 HW Development Status Tag & Beacon - developed, produced, created SW and tested 23 boards (20 for tags and 3 for beacons) Current Results: All 23 electronic boards of tags with rechargeable battery ready to use, only six plastic cases is available now. Estimation time for delivering the rest cases – middle of November, Omni directional antennas for beacon are exist only six plastic cases is available now. Estimation time for delivering the rest cases – middle of November, Omni directional antennas for beacon are exist Deduction: Wait for finalizing production of cases and assemble the rest tags and beacons BS digital boards digital boards - developed, produced and debugged 10 boards, RF boards RF boards - developed, produced and debugged 10 boards, antennas for BS antennas for BS - directional and omni-directional are exist power supply for BS power supply for BS - are exist metal cases for BS with cooler metal cases for BS with cooler - seven cases are available now, the rest number delivering time is middle of November, one BS is assembled Current Results: The HW are ready to use Deduction: Complex test each pair of RF and digital boards and BS assembling

20 SW & FW Development Status LPS Server SW - developed, debugged and tested Current Results: It was tested with three BS, one beacon and two tags with old digital boards Deduction: Additional tests are needed for fine tuning of synchronization and navigation algorithms, for defining limit of systems with different number of LPS devices, for complex testing new BS BS FW - draft version is developed, debugged and tested Current Results: application programmers started to port BS SW Deduction: Final debugging of FW will takes one-two weeks BS SW - System SW - draft version is developed, debugged and tested, finalizing is on the way - BS Algorithm SW - are tested and debugged using old digital board, now it is porting to new digital board Current Results: SW for new BS digital board is not ready due to delay with digital board delivering, it is now porting Deduction: Port BS SW to new BS digital HW, debug it and test in consist of LPS system Tag SW - developed, debugged and tested

21 LPS System Test Status System test - test is done only for old SRC office with three BS (old digital boards), one beacon and two tags Current Results: Accuracy is acceptable, but dynamic of tag tracking is reduced Deduction: Additional experiments are needed: - in different environment, - with new BS HW, - with more numbers of BS, beacons and tags Purposes: Purposes: - complex test of new SW and HW for BS, - fine tuning of the algorithms: - PSD estimation, - BS synchronization, - navigation, - to define maximum capabilities of the system with current BS HW and to define requirements to LPS Server HW: to define requirements to LPS Server HW: - maximum number of tags, format and time intervals between its bursts, - maximum number of BS, - maximum number of beacons, - based on results of different experiments to define possible marketplace for the system.

22 Commercialization Plan End of 2004 Year - delivering prototypes to S1 Corporation, - delivering final source and downloadable codes for all SW and FW and technical documentation for all HW including schematic, bill of materials and PCB layout, - final report 2005 Year - LPS technology transfer to S1 Corporation engineers, including training, - testing LPS prototypes in different environments, - correction of algorithms and SW based on results of experiments for achieving maximum possible accuracy and choice optimal set of LPS system parameters, - assistance to S1 Corporation engineers in development of commercial versions of HW and SW for LPS devices, - assistance in debugging of beta-version of commercial LPS system and participation in its testing