Abstract
A probe listen and select (PLS) technique can be used to select from an available frequency spectrum a frequency band whose communication quality is suitable for wireless communication at a desired rate. Probe packets can be transmitted on different frequencies ( 223) during a known period of time (TPLS) and frequency channel quality information can be obtained (225) from the probe packets. This quality information can then be used to select a desirable frequency band (227). The communication quality of the selected band can also be used as basis for selecting (141) from among a plurality of modulation and coding combinations that are available for use in communications operations.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
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| US2002012337A1 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
| US6839325B2 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
| EP1176761A2 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| EP1176761A3 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| EP1178625A2 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
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| US2002003792A1 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| US7050402B2 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| US2003206561A1 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| US8223867B2 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| US2005094569A1 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
| US2008170556A1 | 4G | 25/04/2013 | ISLD-201304-018 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method of selecting a frequency band, comprising:
communicating a plurality of signals encoded in a first mode at different respective times on a respective plurality of frequencies within a frequency bandwidth;
obtaining information indicative of channel quality associated with the communicated plurality of frequencies;
communicating signals in a second mode in response to said obtained information on at least one frequency of the plurality of frequencies, the signals encoded in a second mode different from the first mode; and
selecting the frequency band from contiguous frequencies of the plurality of frequencies.
2. The method of claim 1, wherein the frequency band has a bandwidth less than the frequency bandwidth.
3. The method of claim 1, wherein the plurality of frequencies are distributed evenly across the frequency bandwidth.
4. The method of claim 1, wherein the plurality of frequencies are selected in a pseudo random sequence across the frequency bandwidth.
5. The method of claim 1, wherein the step of communicating the plurality of signals encoded in the first mode comprises receiving the plurality of signals encoded in the first mode, and wherein the step of communicating the plurality of signals encoded in the second mode comprises receiving the plurality of signal encoded in the second mode.
6. The method of claim 1, wherein the step of communicating the plurality of signals encoded in the first mode comprises transmitting the plurality of signals encoded in the first mode, and wherein the step of communicating the plurality of signals encoded in the second mode comprises transmitting the plurality of signals encoded in the second mode.
7. The method of claim 1, wherein said information includes correlation values associated with each of the plurality of frequencies.
8. The method of claim 1, wherein the first mode comprises a first data rate, and wherein the second mode comprises a second data rate different from the first data rate.
9. The method of claim 1, wherein the second mode comprises one of 16-QAM and 8-PSK, and having a coding rate that is one of ?, �, ?, �, ?, ? and 1.
10. A method of selecting a frequency band, comprising:
communicating a plurality of first mode encoded signals on a respective plurality of frequencies within a frequency bandwidth at different respective times;
obtaining channel quality information corresponding to correlation values associated with the communicated plurality of frequencies;
communicating a plurality of second mode encoded signals on at least one frequency of the plurality of frequencies in response to the channel quality information; and
selecting the frequency band from contiguous frequencies of the plurality of frequencies.
11. The method of claim 10, wherein the frequency band has a bandwidth less than the frequency bandwidth.
12. The method of claim 10, wherein the plurality of frequencies are distributed evenly across the frequency bandwidth.
13. The method of claim 10, wherein the plurality of frequencies are selected in a pseudo random sequence across the frequency bandwidth.
14. The method of claim 10, wherein the step of communicating the plurality of signals in the first mode comprises receiving a plurality of signals in the first mode, and wherein the step of communicating the plurality of signals in the second mode comprises receiving a plurality of signals in the second mode.
15. The method of claim 10, wherein the step of communicating the plurality of signals in the first mode comprises transmitting a plurality of signals in the first mode, and wherein the step of communicating the plurality of signals in the second mode comprises transmitting signals in the second mode.
16. The method of claim 10, wherein the first mode comprises signals encoded in a first mode, and the second mode comprises signals encoded in a second mode different from the first mode.
17. The method of claim 10, wherein the first mode comprises signals communicated at a first data rate, and the second mode comprises signals communicated at a second data rate different from the first data rate.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.