IP Library › Granted Patent US 12,232,214
Granted Patent B2
US 12,232,214 · App. 17/764,607 · Granted Feb 18, 2025

Method and apparatus for prose peer discovery

Inventors: Xiaoyan Shi (Westmount, CA); Michelle Perras (Montreal, CA); Samir Ferdi (Kirkland, CA); Saad Ahmad (Montreal, CA)
Assignee: INTERDIGITAL PATENT HOLDINGS, INC.
H04W8/005H04L5/0053H04W24/08
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Quick Facts
Patent No.
US 12,232,214
App. No.
17/764,607
Granted
Feb 18, 2025
Kind
B2
Abstract

A method and apparatus where an announcing WTRU may request peer discovery from a Pro Se function, and the ProSe function may provide information associated with a monitoring WTRU to the announcing WTRU as a result of the monitoring WTRU having discovered the announcing WTRU. A discoveree WTRU may request peer discovery from a ProSe function where the ProSe function sends a unique ProSe query code to a discoverer WTRU. As a result of the discoveree WTRU detecting the ProSe query code on radio interface, the discoveree WTRU triggers a match report procedure to obtain information associated with the Discoverer WTRU.

Claims (23)

1. A method implemented in a first wireless transmit receive unit (WTRU), the method comprising:

sending an announce request to a node residing in a cellular core network;

sending a proximity service (ProSe) app code to enable a second WTRU to discover the first WTRU; and

receiving a peer discovery notification from the node;

wherein the announce request includes an indication that the first WTRU is requesting peer discovery and an indication that the first WTRU is anonymously discoverable.

2. The method of claim 1 , wherein the node is a ProSe function.

3. The method of claim 1 , wherein the first WTRU is an announcing WTRU.

4. The method of claim 1 , wherein the second WTRU is a monitoring WTRU.

5. The method of claim 1 , wherein the peer discovery notification includes information related to the second WTRU including at least one of the second WTRU's ID, layer 2 address, or location.

6. The method of claim 1 , further comprising:

receiving an announce response, from the node, after sending the announce request to the node.

7. A first wireless transmitter receiver unit (WTRU) comprising:

a transmitter; and

a receiver

wherein the transmitter is configured to send an announce request to a node residing in a cellular core network;

wherein the transmitter is further configured to send a proximity service (ProSe) app code to enable a second WTRU to discover the first WTRU;

wherein the receiver is configured to receive a peer discovery notification from the node; and

wherein the announce request includes an indication that the first WTRU is requesting peer node discovery and an indication that the first WTRU is anonymously discoverable.

8. The first WTRU of claim 7 , wherein the transmitter is configured to send the announce request to a ProSe function.

9. The first WTRU of claim 7 configured to be an announcing WTRU.

10. The first WTRU of claim 7 , wherein the transmitter is configured to send the ProSe app code to a monitoring WTRU.

11. The first WTRU of claim 7 , wherein the peer discovery notification received by the receiver comprises information relating to the second WTRU, including at least one of the second WTRU's ID, layer 2 address, or location.

12. The first WTRU of claim 7 , wherein the receiver is further configured to receive an announce response upon sending the announce request to the node.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 17, 2023
From: IDAC HOLDINGS, INC. BY ITS SUCCESSOR INTERDIGITAL PATENT HOLDINGS, INC.
To: INTERDIGITAL PATENT HOLDINGS, INC.
Reel/Frame 062401/0738 →
Continuity (2)
Provisional Application 62910201 · Oct 3, 2019
Related Publication 20220360967A1 · Nov 10, 2022
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