Proximity detection using diversity path loss sampling
First Claim
Patent Images
1. A method for determining a proximity of a mobile radio comprising:
- determining an initial range of a mobile radio in relation to a base radio comprising estimating a distance utilizing a RSSI value from a signal received at a base radio selected antenna; and
processing the initial range determination to determine whether to make a refined range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna.
4 Assignments
0 Petitions
Accused Products
Abstract
Methods and apparatuses for radio proximity detection are disclosed. In one example, a method for determining a proximity of a mobile radio includes determining an initial range of a mobile radio in relation to a base radio, and processing the initial range determination to determine whether to make a refined range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna.
9 Citations
25 Claims
-
1. A method for determining a proximity of a mobile radio comprising:
- determining an initial range of a mobile radio in relation to a base radio comprising estimating a distance utilizing a RSSI value from a signal received at a base radio selected antenna; and
processing the initial range determination to determine whether to make a refined range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna. - View Dependent Claims (2, 3, 4, 5, 6)
- determining an initial range of a mobile radio in relation to a base radio comprising estimating a distance utilizing a RSSI value from a signal received at a base radio selected antenna; and
-
7. A method for determining a proximity of a mobile radio comprising:
- determining an initial range of a mobile radio in relation to a base radio;
processing the initial range determination to determine whether to make a refined range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna;
determining a mobile radio motion state comprising whether the mobile radio is in motion; and
processing the mobile radio motion state in addition to the initial range to determine whether to make a refined range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna.
- determining an initial range of a mobile radio in relation to a base radio;
-
8. A method for determining a proximity of a mobile radio comprising:
- determining an initial range of a mobile radio in relation to a base radio; and
processing the initial range determination to determine whether to make a refined range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna, wherein the refined range determination is made by;
measuring a first RSSI value using the base radio first antenna;
measuring a second RSSI value using the base radio second antenna;
generating an average RSSI value utilizing the first RSSI value and the second RSSI value; and
generating a proximity indication utilizing the average RSSI value. - View Dependent Claims (9, 10)
- determining an initial range of a mobile radio in relation to a base radio; and
-
11. A method for determining a proximity of a mobile radio comprising:
-
determining a mobile radio is within a predetermined range of a base radio; measuring two or more RSSI values at two or more antennas at a base radio; generating an average RSSI value from the two or more RSSI values measured at the two or more antennas at the base radio; and determining a mobile radio proximity to the base radio utilizing the average RSSI value. - View Dependent Claims (12, 13, 14, 15, 16)
-
-
17. One or more non-transitory computer-readable storage media having computer-executable instructions stored thereon which, when executed by one or more computers, cause the one more computers to perform operations comprising:
-
receiving a first RSSI data associated with a first base radio antenna; receiving a second RSSI data associated with a second base radio antenna; determining an average RSSI value utilizing the first RSSI data associated with the first base radio antenna and the second RSSI data associated with the second base radio antenna; and determining a proximity of a mobile radio to a base radio utilizing the average RSSI value. - View Dependent Claims (18, 19, 20)
-
-
21. A method for determining a proximity of a mobile radio comprising:
-
determining a noise level on a communications channel between a mobile radio and a base radio; and processing the noise level to determine whether to make a range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna. - View Dependent Claims (22, 23, 24, 25)
-
Specification