Mapping of scatterer locations in a radio environment

A wireless device, comprising:

• transceiver circuitry;
• and
• processing circuitry operatively associated with the transceiver circuitry and configured to:
• obtain information comprising (a) a first angle-of-arrival parameter and/or first angle-of-departure parameter corresponding to a non-primary propagation path of a radio signal transmitted between a first wireless device and a second wireless device, and further comprising:
• (b) a delay measurement or time-of-arrival measurement for the non-primary propagation path;
• and/or
• (c) a second angle-of-arrival parameter and/or second angle-of-departure parameter corresponding to the non-primary propagation path, the second angle-of-arrival parameter and second angle-of-departure parameter corresponding to a different end of the non-primary propagation path to the first angle-of-arrival parameter and angle-of-departure parameter;
• and
• estimate a location for an object other than the first and second wireless devices, based on the obtained information;
• wherein the wireless device is a first one of the first and second wireless devices, and the processing circuitry is configured to:
• obtain the first angle-of-arrival parameter or first angle-of-departure parameter by receiving the first angle-of-arrival parameter or first angle-of-departure parameter from the other of the first and second wireless devices;
• and
• obtain the delay measurement or the time-of-arrival measurement or the second angle-of-arrival parameter or the second angle-of-departure parameter by measuring the delay measurement or the time-of-arrival measurement or the second angle-of-arrival parameter or the second angle-of-departure parameter based on at least one signal transmitted between the first and second wireless devices.

A network node, comprising:

• communications interface circuitry configured to communicate with one or more other network nodes;
• and
• processing circuitry operatively associated with the communications interface circuitry and configured to:
• obtain information comprising (a) a first angle-of-arrival parameter and/or first angle-of-departure parameter corresponding to a non-primary propagation path of a radio signal transmitted between a first wireless device and a second wireless device;
• and further comprising:
• (b) a delay measurement or time-of-arrival measurement for the non-primary propagation path;
• and/or
• (c) a second angle-of-arrival parameter and/or second angle-of-departure parameter corresponding to the non-primary propagation path, the second angle-of-arrival parameter and second angle-of-departure parameter corresponding to a different end of the non-primary propagation path to the first angle-of-arrival parameter and angle-of-departure parameter;
• and
• estimate a location for an object other than the first and second wireless devices, based on the obtained information;
• wherein the processing circuitry is configured to:
• obtain the first angle-of-arrival parameter or first angle-of-departure parameter by receiving the first angle-of-arrival parameter or first angle-of-departure parameter from a first one of the first and second wireless devices;
• and
• obtain the delay measurement or the time-of-arrival measurement or the second angle-of-arrival parameter or the second angle-of-departure parameter by receiving the delay measurement or the time-of-arrival measurement or the second angle-of-arrival parameter or the second angle-of-departure parameter from the other of the first and second wireless devices.