Single point location tracking for a mobile device in a communication network

1. A method, comprising:

transmitting a signal from a transceiver to cover a floor plan of a building structure with radio-frequency energy from the transceiver;

obtaining a first characteristic value of the transmitted signal and a second characteristic value of the transmitted signal at two or more coordinates within the floor plan;

if the first obtained characteristic value and the second obtained characteristic value are not unique at two or more locations within the floor plan, changing a power of the transmitted signal, a gain of the transmitted signal, or a receiver gain, or combinations thereof, to obtain additional characteristic values or plots that result in unique values at the two or more locations; and

storing the obtained first and second characteristic values of the transmitted signal for corresponding coordinate values in a lookup table.

2. A method as claimed in claim 1 , wherein the first characteristic value comprises a bit error rate, a received signal strength indication, a transmit signal strength, or combinations thereof.

3. A method as claimed in claim 1 , wherein the second characteristic value comprises a bit error rate, a received signal strength indication, a transmit signal strength, or combinations thereof.

4. A method as claimed in claim 1 , wherein the lookup table comprises one or more sets of coordinates mapped to a corresponding room in the floor plan, said determining the location of the mobile device within the floor plan comprising determining a room in which the mobile device is located based at least in part on the room mapped to the coordinate value.

5. A method as claimed in claim 1 , wherein the lookup table is stored in the transceiver.

6. A method as claimed in claim 1 , wherein the lookup table is stored in the mobile device.

7. A method as claimed in claim 1 , further comprising:

transmitting a signal from a transceiver to a mobile device located within the floor plan;

measuring the first characteristic value of the transmitted signal and the second characteristic value of the transmitted signal experienced by the mobile device at a location within the floor plan;

determining the location of the mobile device within the floor plan by looking up a coordinate value in the lookup table corresponding to the first and second measured characteristic values of the transmitted signal.

8. An article of manufacture comprising: a non-transitory computer-readable medium having stored thereon instructions that, if executed by a computing communication device, result in at least the following:

transmitting a signal from a transceiver to cover a floor plan of a building structure with radio-frequency energy from the transceiver;

obtaining a first characteristic value of the transmitted signal and a second characteristic value of the transmitted signal at two or more coordinates within the floor plan;

if the first obtained characteristic value and the second obtained characteristic value are not unique at two or more locations within the floor plan, changing a power of the transmitted signal, a gain of the transmitted signal, or a receiver gain, or combinations thereof, to obtain additional characteristic values or plots that result in unique values at the two or more locations; and

storing the obtained first and second characteristic values of the transmitted signal for corresponding coordinate values in a lookup table.

9. An article of manufacture as claimed in claim 8 , wherein the first characteristic value comprises a bit error rate, a received signal strength indication, a transmit signal strength, or combinations thereof.

10. An article of manufacture as claimed in claim 8 , wherein the second characteristic value comprises a bit error rate, a received signal strength indication, a transmit signal strength, or combinations thereof.

11. An article of manufacture as claimed in claim 8 , wherein the lookup table comprises one or more sets of coordinates mapped to a corresponding room in the floor plan, said determining the location of the mobile device within the floor plan comprising determining a room in which the mobile device is located based at least in part on the room mapped to the coordinate value.

12. An article of manufacture as claimed in claim 8 , wherein the lookup table is to be stored in the transceiver.

13. An article of manufacture as claimed in claim 8 , wherein the lookup table is to be stored in the mobile-device.

14. An article of manufacture as claimed in claim 8 , further comprising:

transmitting a signal from a transceiver to a mobile device located within the floor plan;

measuring the first characteristic value of the transmitted signal and the second characteristic value of the transmitted signal experienced by the mobile device at a location within the floor plan;

determining the location of the mobile device within the floor plan by looking up a coordinate value in the lookup table corresponding to the first and second measured characteristic values of the transmitted signal.

15. An apparatus, comprising:

a baseband processor;

a memory coupled to said baseband processor; and

a radio-frequency transceiver coupled to said baseband processor;

wherein the baseband processor is capable of:

transmitting a signal from a transceiver to cover a floor plan of a building structure with radio-frequency energy from the transceiver;

obtaining a first characteristic value of the transmitted signal and a second characteristic value of the transmitted signal at two or more coordinates within the floor plan;

if the first obtained characteristic value and the second obtained characteristic value are not unique at two or more locations within the floor plan, changing a power of the transmitted signal, a gain of the transmitted signal, or a receiver gain, or combinations thereof, to obtain additional characteristic values or plots that result in unique values at the two or more locations; and

storing the obtained first and second characteristic values of the transmitted signal for corresponding coordinate values in a lookup table.

16. An apparatus as claimed in claim 15 , wherein the first characteristic value comprises a bit error rate, a receiver signal strength indication, a transmitter signal strength, or combinations thereof.

17. An apparatus as claimed in claim 15 , wherein the second characteristic value comprises a bit error rate, a receiver signal strength indication, a transmitter signal strength, or combinations thereof.

18. An apparatus as claimed in claim 15 , wherein the lookup table comprises one or more sets of coordinates mapped to a corresponding room in the floor plan, said baseband processor being capable of determining a room in which the mobile device is located based at least in part on the room mapped to the coordinate value.

19. An apparatus as claimed in claim 15 , wherein the lookup table is stored in said memory.

20. An apparatus as claimed in claim 15 , wherein the baseband processor is further capable of:

transmitting a signal from a transceiver to a mobile device located within the floor plan;

measuring the first characteristic value of the transmitted signal and the second characteristic value of the transmitted signal experienced by the mobile device at a location within the floor plan; and

determining the location of the mobile device within the floor plan by looking up a coordinate value in the lookup table corresponding to the first and second measured characteristic values of the transmitted signal.