Back to results
US 8,897,824 B2Granted
Model based doppler compensation using traffic data
AssigneeEmpire Technology Development LLC
InventorEzekiel Kruglick
Life of this patent
Estimating the term…
Abstract
Implementations and techniques for model based Doppler compensation using traffic data are generally disclosed.
Claims18
A method for providing Doppler compensation in a wireless network, comprising:
- determining a first Doppler compensation factor for a first user group in response to traffic data associated with the first user group, the traffic data associated with the first user group comprising first data collected from sensors located adjacent to a roadway;
- determining a second Doppler compensation factor for a second user group in response to traffic data associated with the second user group, the traffic data associated with the second user group comprising second data collected from sensors located adjacent to the roadway;
- transmitting data from a base station to the first user group at a frequency adjusted by the first Doppler compensation factor;
- transmitting data from the base station to the second user group at a frequency adjusted by the second Doppler compensation factor;
- and
- determining at least an adjustment of the first Doppler compensation factor in response to an expected change in a radial velocity of the first user group or an adjustment of the second Doppler compensation factor in response to an expected change in a radial velocity of the second user group,
- wherein the traffic data associated with the first user group includes data indicative of the expected change in the radial velocity of the first user group, and wherein the traffic data associated with the second user group includes data indicative of the expected change in the radial velocity of the second user group.
4 more elements
An article comprising a non-transitory computer-program product having stored therein instructions that, if executed, result in:
- determining a first Doppler compensation factor for a first user group in response to traffic data associated with the first user group, the traffic data associated with the first user group comprising data collected from sensors located adjacent to a roadway;
- determining a second Doppler compensation factor for a second user group in response to traffic data associated with the second user group, the traffic data associated with the second user group comprising data collected from sensors located adjacent to the roadway;
- transmitting data from a base station to the first user group at a frequency adjusted by the first Doppler compensation factor;
- transmitting data from the base station to the second user group at a frequency adjusted by the second Doppler compensation factor;
- and
- determining at least an adjustment of the first Doppler compensation factor in response to an expected change in a radial velocity of the first user group or an adjustment of the second Doppler compensation factor in response to an expected change in a radial velocity of the second user group˜
- wherein the traffic data associated with the first user group includes data indicative of the expected change in the radial velocity of the first user group, and wherein the traffic data associated with the second user group includes data indicative of the expected change in the radial velocity of the second user group.
4 more elements
A system, comprising:
- a base station configured to:
- determine a first Doppler compensation factor for a first user group in response to traffic data associated with the first user group, the traffic data associated with the first user group comprising data collected from sensors located adjacent to a roadway and data associated with expected changes in radial velocity of the first user group following a first expected travel path;
- determine a second Doppler compensation factor for a second user group in response to traffic data associated with the second user group, the traffic data associated with the second user group comprising data collected from sensors located adjacent to the roadway and data associated with expected changes in radial velocity of the second user group following a second expected travel path;
- transmit data from a base station to the first user group at a frequency adjusted by the first Doppler compensation factor;
- and
- transmit data from the base station to the second user group at a frequency adjusted by the second Doppler compensation factor.
3 more elements
Dependencies are inferred from the claim text.