1. A navigation method for guiding a user to a destination specified by the user, comprising the following steps of:
specifying a destination in a navigation system;
examining an original address of the destination and judging whether the destination is within a large compound or not-based upon map data on the market;
searching for an entrance of the large compound from a road running along the large compound where the original address is on the road by finding a link connecting the road and the large compound by evaluating the map data in backward and forward directions on the road, the entrance being searched within a predetermined distance from the original address in the backward and forward directions;
defining the entrance of the large compound as a target address to the destination; and
selecting a best route to the target address and starting a route guidance mode to guide the user to the entrance of the large compound.
2. A navigation method as defined in claim 1, wherein said step of judging whether the destination is within the large compound includes a step of evaluating the address of the destination as well as information on other POIs close proximity with the destination.
3. (canceled)
4. A navigation method as defined in claim 1, wherein said step of searching for the entrance of the large compound includes a step of specifying the predetermined distance on the road from the original address for searching for the entrance to the large compound.
5. A navigation method as defined in claim 1, further comprising a step of finding a link connecting between two one-way roads when the map data defines that the road along the large compound as being constituted by said two one-way roads and selecting an optimum link for reaching the target address when two or more links exist for the road.
6. A navigation method as defined in claim 5, wherein said step of finding and selecting the link between the two one-way roads includes a step of finding a link allowing a U-turn from one one-way road to another one-way road.
7. A navigation method as defined in claim 6, wherein said step of finding the link between the two one-way roads includes a step of selecting a link allowing the U-turn from one one-way road to another one-way road which is closest to the target address.
8. A navigation system for guiding a user to a destination specified by the user, comprising:
means for specifying a destination in a navigation system;
means for examining an original address of the destination and for judging whether the destination is within a large compound or not based upon map data on the market;
means for searching for an entrance of the large compound from a road running along the large compound where the original address is on the road by finding a link connecting the road and the large compound by evaluating the map data in backward and forward directions on the road, the entrance being searched within a predetermined distance from the original address in the backward and forward directions;
means for defining the entrance of the large compound as a target address to the destination; and
means for selecting an optimum route to the target address and for starting a route guidance mode to guide the user to the entrance of the large compound.
9. A navigation system as defined in claim 8, wherein said means for judging whether the destination is within the large compound includes means for evaluating the address of the destination as well as information on other POIs close proximity with the destination.
10. (canceled)
11. A navigation system as defined in claim 8, wherein said means for searching for the entrance of the large compound includes means for specifying the predetermined distance on the road from the original address for searching for the entrance to the large compound.
12. A navigation system as defined in claim 8, further comprising means for finding a link connecting between two one-way roads when the map data defines that the road along the large compound as being constituted by said two one-way roads and selecting an optimum link for reaching the target address when two or more links exist for the road.
13. A navigation system as defined in claim 12, wherein said means for finding and selecting the link between the two one-way roads includes means for finding a link allowing a U-turn from one one-way road to another one-way road.
14. A navigation system as defined in claim 13, wherein said means for finding the link between the two one-way roads includes means for selecting a link allowing the U-turn from one one-way road to another one-way road which is closest to the target address.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Mobile antenna system comprising:
a plurality of multilayered structures including microstrip antenna elements and feed lines for combining and guiding a received signal a plurality of electronic modules configured to amplify, phase modify, frequency convert and route the received signal;
a plurality of vertical transitions configured to pass of the electromagnetic energy between the layered structures from different levels;
rotary joint including a rotatable part and a static part for passing the received signal and rotating at least a portion of the mobile antenna system;
sensors detecting the spatial movement of the system;
2. Mobile antenna system according to claim 1, including a first layered structure, forming the first level, which comprises the microstrip antenna elements.
3. Mobile antenna system according to claim 2, including microstrip antenna elements placed in a cavity.
4. Mobile antenna system according to claim 1 including microstrip antenna elements which are dual-port.
5. Mobile antenna system according to claim 1, including microstrip antenna elements which are probe fed.
6. Mobile antenna system according to claim 5, including microstrip antenna elements, which are capacitive probe fed.
7. Mobile antenna system according to claim 1, including microstrip antenna elements fed through a slot.
8. Mobile antenna system according to claim 1, including microstrip antenna elements which are tilted to an observation angle.
9. Mobile antenna system according to claim 1, including microstrip antenna elements covered with dielectric layer, which can act as impedance matching for low elevation tracking.
10. Mobile antenna system according to claim 9, including a dielectric layer carrying the antenna elements.
11. Mobile antenna system according to claim 1, including microstrip antenna elements placed in a lattice formed from the peaks of isosceles triangle.
12. Mobile antenna system according to claim 1, including controls for electronic tracking in one plane perpendicular to the rows formed by one of the sides of triangles forming a lattice.
13. Mobile antenna system according to claim 12, including antenna elements placed in the rows, perpendicular to an electronic tracking plane, at about an optimal distance regarding the effective utilization of an antenna aperture and feeding line density.
14. Mobile antenna system according to claim 1, including microstrip antenna elements placed in conjunction with mechanical supports.
15. Mobile antenna system according to claim 1, including a first layered structure having feed lines, for sequentially feeding several antenna elements from the same row.
16. Mobile antenna system according to claim 1, including a first layered structure containing feed lines, feeding in sequence and in parallel several antenna elements from the same row.
17. Mobile antenna system according to claim 1, including a first layered structure comprising feeding lines, which feed in sequence and in parallel several antenna elements from neighbouring rows providing about a constant phase difference between them.
18. Mobile antenna system according to claim 1, including levels which are formed by more than one layered structure, so as to form a plurality of united leveled modules.
19. Mobile antenna system according to claim 18, including leveled modules, may be tiltable to the direction of observation.
20. Mobile antenna system according to claim 1, including a first layered structure which is formed by vertically placed layers.
21. Mobile antenna system according to claim 1, including a first layered structure having a low noise amplifier.
22. Mobile antenna system according to claim 21, including next layered structures having feed lines, combining groups from a first level and from the same row in parallel.
23. Mobile antenna system according to claim 22, wherein the next layered structures also contain amplifiers.
24. Mobile antenna system according to claim 23, including a final layered structure containing phase control devices.
25. Mobile antenna system according to claim 24, including final layered structure having amplitude control devices.
26. Mobile antenna system according to claim 24, having integrated circuits configured as phase control devices.
27. Mobile antenna system according to claim 24 including discrete components configured as phase control devices.
28. Mobile antenna system according to claim 1, including a final layered structure containing feed lines combining different rows.
29. Mobile antenna system according to claim 1, having a final layered structure which contains plurality of digital control units for controlling amplitude and phase control units.
30. Mobile antenna system according to claim 1, having feed lines in the layered structures formed from microstrip lines.
31. Mobile antenna system according to claim 1, having a portion of the feed lines in the layered structures formed from strip lines.
32. Mobile antenna system according to claim 1, having at least some of the layered structures being multilayer printed circuit boards.
33. Mobile antenna system according to claim 1, having at least some of the layered structures being modules containing one or more levels, coupled from the next level of layered structure.
34. Mobile antenna system according to claim 1, including a connection between the feed lines from the separated levels provided by a plurality of vertical RF transitions.
35. Mobile antenna system according to claim 34, including vertical RF transitions which are surface mount coaxial elements.
36. Mobile antenna system according to claim 34, including vertical RF transitions formed from surface mount stripline elements.
37. Mobile antenna system according to claim 34, having vertical RF transitions which also form supporting mechanical structures.
38. Mobile antenna system according to claim 1, having one side of the layered structures covered with a coating configured to absorb electromagnetic energy.
39. Mobile antenna system according to claim 1, having RF outputs from the layered structure connected through coaxial cables to a separate combiner.
40. Mobile antenna system according to claim 39, wherein the combiner is connected with the input a frequency converter.
41. Mobile antenna system according to claim 1, having an electromagnetic shield covering portions of the layered structures.
42. Mobile antenna system according to claim 41, where the electromagnetic shield has an electromagnetic absorptive coating on the inner side.
43. Mobile antenna system according to claim 41, wherein electromagnetic shield is structurally configured to perform carrying functions.
44. Mobile antenna system according to claim 41, wherein the cover is mounted to the static part through rotary joint (18).
45. Mobile antenna system according to claim 41, wherein the electromagnetic shield rotated with movement from a motor.
46. Mobile antenna system according to claim 45, wherein the electromagnetic shield rotates in response to movement of a gear configured at the periphery of the electromagnetic shield.
47. Mobile antenna system according to claim 1, wherein rotation is provided using a belt gear.
48. Mobile antenna system according to claim 41, including a cover of the antenna system having a radiotransparent part (1).
49. Mobile antenna system according to claim 48, wherein the radiotransparent part has impedance matching properties for lower elevation tracking.
50. Mobile antenna system according to claim 1, having a satellite signal reading and recognition unit.