1. A diversity reception device, comprising:
a first antenna serving as a reference antenna;
a second antenna serving as an antenna-to-be-measured;
a power combiner configured to combine electric powers of OFDM signals respectively, each of the OFDM signals being received by the first and second antennas;
a digital terrestrial broadcast tuner connected to an output side of the power combiner;
a switch configured to change connections between branched output-ports of the first and second antennas, in mid-stream of effective symbol periods, the effective symbol periods are assigned respectively in each of symbol periods of the OFDM signals;
a receiver connected to an output side of the switch, configured to demodulate the OFDM signals;
a phase shifter connected to an output side of the second antenna, configured to shift phases of the OFDM signals received by the second antenna, and to transfer the phase-shifted OFDM signals to the power combiner; and
an arithmetic and control processing circuit, after accepting the demodulated OFDM signals, configured to calculate complex correlation coefficient between a guard interval, which is assigned in each of the symbol periods associated with the first antenna, and a copy-source interval, which is assigned in each of the symbol periods associated with the second antenna, and to determine rotation angle on a complex plane on the basis of the complex correlation coefficient, and to transfer phase-shift signal to the phase shifter so that the phase shifter can shift the phase by amount of the rotation angle.
2. The diversity reception device of claim 1, further comprising:
a first directional coupler inserted into a part of a transmission route from the first antenna to the power combiner, configured to branch a part of the OFDM signals, which are received by the first antenna, toward the switch; and
a second directional coupler inserted into a part of a transmission route from the second antenna to the phase shifter, configured to branch a part of the OFDM signals, which are received by the second antenna, toward the switch.
3. A diversity reception device, comprising:
a reference antenna;
a plurality of antennas-to-be-measured;
a power combiner configured to combine electric powers of OFDM signals respectively, each of the OFDM signals being received by the reference antenna and the plurality of antennas-to-be-measured;
a digital terrestrial broadcast tuner connected to an output side of the power combiner;
a switch configured to change connections between branched output-ports of the reference antenna and any of the plurality of antennas-to-be-measured, in mid-stream of effective symbol periods, the effective symbol periods are assigned respectively in each of symbol periods of the OFDM signals;
a receiver connected to an output side of the switch, configured to demodulate the OFDM signals;
a plurality of phase shifters connected respectively to output sides of the plurality of antennas-to-be-measured, configured to shift respectively phases of the OFDM signals, which are received by the plurality of antennas-to-be-measured, and to transfer the phase-shifted OFDM signals to the power combiner, respectively; and
an arithmetic and control processing circuit configured to perform a sequence of processes against the plurality of antennas-to-be-measured, respectively, after accepting the demodulated OFDM signals, the sequence of processes includes:
calculating complex correlation coefficient between a guard interval, which is assigned in each of the symbol periods associated with the first antenna, and a copy-source interval, which is assigned in each of the symbol periods associated with any of corresponding antennas-to-be-measured,
determining rotation angle on a complex plane on the basis of the complex correlation coefficient, and
transferring phase-shift signal to a phase shifter connected to corresponding antennas-to-be-measured so that the phase shifter connected to the corresponding antennas-to-be-measured can shift the phase by amount of the rotation angle.
4. The diversity reception device of claim 3, further comprising:
a first directional coupler inserted into a part of a transmission route from the reference antenna to the power combiner, configured to branch a part of the OFDM signals, which are received by the reference antenna, toward the switch; and
a plurality of second directional couplers inserted respectively into a part of respective transmission routes from the plurality of antennas-to-be-measured to the phase shifter, configured to branch a part of the corresponding OFDM signals, which are respectively received by the plurality of antennas-to-be-measured, toward the switch, respectively.
5. The diversity reception device of claim 3, wherein, as N is a positive integer equal to or greater than three, the number of the plurality of antennas-to-be-measured is set as (N\u22121), the arithmetic and control processing circuit sequentially carries out the sequence of processes with continuous (N\u22121) symbol periods, by calculating sequentially complex correlation coefficients between a guard interval, which is assigned in each of the symbol periods associated with the first antenna, and a copy-source interval, which is assigned in each of the symbol periods associated with any of corresponding antennas-to-be-measured, and sequentially determining rotation angles on the complex plane on the basis of the complex correlation coefficients.
6. The diversity reception device of claim 3, wherein, as N is a positive integer equal to or greater than three, the number of the plurality of antennas-to-be-measured is set as (N\u22121), the arithmetic and control processing circuit sequentially carries out the sequence of processes, after dividing each of the guard interval and the copy-source interval, which are assigned respectively in the symbol periods, into (N\u22121) segments, by calculating complex correlation coefficients between the reference antenna and any of the plurality of antennas-to-be-measured with each of the divided guard intervals and the divided copy-source intervals, and by sequentially determining rotation angles on the complex plane on the basis of the complex correlation coefficients.
7. The diversity reception device of claim 3, wherein the arithmetic and control processing circuit does not combine the signals of the antennas-to-be-measured, when the correlation coefficients of the signals are equal to or less than a threshold.
8. The diversity reception device of claim 4, wherein, as N is a positive integer equal to or greater than three, the number of the plurality of antennas-to-be-measured is set as (N\u22121), the arithmetic and control processing circuit sequentially carries out the sequence of processes with continuous (N\u22121) symbol periods, by calculating sequentially complex correlation coefficients between a guard interval, which is assigned in each of the symbol periods associated with the first antenna, and a copy-source interval, which is assigned in each of the symbol periods associated with any of corresponding antennas-to-be-measured, and sequentially determining rotation angles on the complex plane on the basis of the complex correlation coefficients.
9. The diversity reception device of claim 4, wherein, as N is a positive integer equal to or greater than three, the number of the plurality of antennas-to-be-measured is set as (N\u22121), the arithmetic and control processing circuit sequentially carries out the sequence of processes, after dividing each of the guard interval and the copy-source interval, which are assigned respectively in the symbol periods, into (N\u22121) segments, by calculating complex correlation coefficients between the reference antenna and any of the plurality of antennas-to-be-measured with each of the divided guard intervals and the divided copy-source intervals, and by sequentially determining rotation angles on the complex plane on the basis of the complex correlation coefficients.
10. The diversity reception device of claim 4, wherein the arithmetic and control processing circuit does not combine the signals of the antennas-to-be-measured, when the correlation coefficients of the signals are equal to or less than a threshold.
11. The diversity reception device of claim 5, wherein the arithmetic and control processing circuit does not combine the signals of the antennas-to-be-measured, when the correlation coefficients of the signals are equal to or less than a threshold.
12. The diversity reception device of claim 6, wherein the arithmetic and control processing circuit does not combine the signals of the antennas-to-be-measured, when the correlation coefficients of the signals are equal to or less than a threshold.
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. A system for providing web services for a business hierarchy, comprising:
a web server comprising a processor and computer-readable storage media communicatively coupled to a network;
a website resident on the storage media of the webserver and made available on the network by the webserver, wherein the website is configurable to display content to a user in one of a plurality of operational modes, each operational mode corresponding to a geographic granularity of the business hierarchy, the operational modes including a local mode comprising content pertaining to a particular location, a regional mode comprising content pertaining to a plurality of locations, and a national mode comprising information pertaining to a plurality of regions; and
a configuration module communicatively coupled to the website to configure the website to display content to a user in a selected operational mode responsive to a request from the user for content from the web server, wherein the operational mode is selected based on a geographic granularity associated with the user.
2. The system of claim 1, wherein each of the plurality of operational modes corresponds to different geographic granularity within a franchise business hierarchy.
3. The system of claim 1, wherein the plurality of operational modes comprises one or more operational modes corresponding to a business relationship within a franchise business hierarchy.
4. The system of claim 1, wherein the plurality of operational modes comprises one or more operational modes corresponding to an advertising association within the business hierarchy.
5. The system of claim 1, wherein the plurality of operational modes comprises one or more operational modes corresponding to an advertising campaign of the business hierarchy.
6. The system of claim 1, wherein the plurality of operational modes comprises one or more operational modes corresponding to a marketing directive of the business hierarchy.
7. The system of claim 1, wherein the configuration module is configured to detect an incoming request for content from a user and to determine an operational mode of the website using the incoming request.
8. The system of claim 7, wherein the user request is generated by a search engine, and wherein the configuration module determines the operational mode of the website using a search term submitted to the search engine.
9. The system of claim 7, wherein the user request comprises a network identifier, and wherein the configuration module determines the operational mode of the website using the network identifier.
10. The system of claim 9, wherein the identifier is one selected from the group consisting of an Internet protocol address, a media access control value, and a hardware identifier.
11. The system of claim 7, further comprising a data storage module comprising a plurality of user profiles, and wherein the user request comprises a user identifier, and wherein the configuration module accesses a user profile from the data storage module using the user identifier.
12. The system of claim 11, wherein the user profile comprises a preferred operational mode of the user, and wherein the website configuration module configures the website according to the preferred operational mode.
13. The system of claim 1, wherein the website configuration module is to change an operational mode of the website responsive to user interaction with the website.
14. The system of claim 13, wherein the user interaction with the website comprises a user selection of a region on a map interface of the website.
15. A method of providing web services for a business hierarchy, comprising:
providing a website capable of simultaneously operating in one of a plurality of operational modes, wherein each of the plurality of operational modes corresponds to a respective geographic granularity of the business hierarchy, the operational modes including a local mode comprising content pertaining to a particular location, a regional mode comprising content pertaining to a plurality of locations, and a national mode comprising information pertaining to a plurality of regions;
detecting an incoming request for web content from a user using a configuration module operating on a processor;
selecting an operational mode responsive to the request based upon a geographic granularity associated with the user; and
configuring the website to present content to the user according to the selected operational mode.
16. The method of claim 15, wherein the plurality of operational modes comprise operational modes that correspond to a business relationship within the business hierarchy.
17. The method of claim 15, wherein the plurality of operational modes comprise operational modes that correspond to an advertising association within the business hierarchy.
18. The method of claim 15, wherein the plurality of operational modes comprise operational modes that correspond to a marketing directive of the business hierarchy.
19. The method of claim 15, further comprising determining an operational mode of the website using the incoming request.
20. The method of claim 19, wherein the incoming request is generated by a search engine, and wherein determining the operational mode comprises using a search term submitted to the search engine to determine one of the plurality of operational modes of the website.
21. The method of claim 20, wherein the incoming request comprises a network identifier, and wherein the operational mode is determined using the network identifier.
22. The method of claim 21, wherein the identifier is one selected from the group consisting of an Internet protocol address, a media access control value, and a hardware identifier.
23. The method of claim 19, wherein the incoming request comprises a user identifier, the method further comprising accessing a user profile using the user identifier and using the user profile to determine the operational mode of the website.
24. The method of claim 23, wherein the user profile comprises a preferred operational mode of the user, and wherein determining the operational mode of the website comprises selecting the preferred operational mode from the user profile.
25. The method of claim 15, further comprising changing an operational mode of the website responsive to activity of a user on the website.
26. The method of claim 25, wherein the user activity comprises a user selection of a region on a map displayed on the website.
27. The method of claim 25, wherein the user activity comprises a user input of a location identifier to the website.
28. The method of claim 15, further comprising managing search engine marketing at one or more search engines for the business hierarchy.
29. The method of claim 28, wherein managing search engine marketing comprises managing bidding for one or more keywords relevant to the business hierarchy.
30. A method of providing web services for a business hierarchy, comprising:
providing a website capable of simultaneously operating in one of a plurality of operational modes, wherein each of the plurality of operational modes corresponds to a respective geographic granularity of the business hierarchy, the operational modes including a local advertising association mode comprising content of a local advertising association, an advertising association mode comprising content of a plurality of local advertising associations, and a national mode comprising content of a plurality of advertising associations;
detecting an incoming request for web content from a user using a configuration module operating on a processor;
selecting an operational mode responsive to the request based upon a geographic granularity associated with the user; and
configuring the website to present content to the user according to the selected operational mode.
31. The method of claim 30, wherein the plurality of operational modes comprise operational modes that correspond to advertising business relationships within the business hierarchy.
32. The method of claim 30, wherein the plurality of operational modes comprise operational modes that correspond to a marketing directive of the business hierarchy.
33. The method of claim 30, further comprising determining an operational mode of the website using the incoming request.
34. The method of claim 30, wherein the incoming request is generated by a search engine, and wherein determining the operational mode comprises using a search term submitted to the search engine to determine one of the plurality of operational modes of the website.
35. The method of claim 34, wherein the incoming request comprises a network identifier, and wherein the operational mode is determined using the network identifier.
36. The method of claim 35, wherein the identifier is one selected from the group consisting of an Internet protocol address, a media access control value, and a hardware identifier.
37. The method of claim 34, wherein the incoming request comprises a user identifier, the method further comprising accessing a user profile using the user identifier and using the user profile to determine the operational mode of the website.
38. The method of claim 37, wherein the user profile comprises a preferred operational mode of the user, and wherein determining the operational mode of the website comprises selecting the preferred operational mode from the user profile.
39. The method of claim 30, further comprising changing an operational mode of the website responsive to activity of a user on the website, wherein the user activity comprises one of a user selection of a region on a map displayed on the website and a user input of a location identifier to the website.