公开(公告)号：US12289762B2

公开(公告)日：2025-04-29

申请号：US17808721

申请日：2022-06-24

Applicant: QUALCOMM Incorporated

Inventor： Bin Tian ,  Pooria Pakrooh ,  Le Nguyen Luong ,  Koorosh Akhavan ,  Youhan Kim ,  Maarten Menzo Wentink ,  Tevfik Yucek ,  Olaf Josef Hirsch ,  Didier Johannes Richard Van Nee ,  Vincent Knowles Jones

IPC: H04W74/08 ,  H04W4/80 ,  H04W56/00 ,  H04W72/1263 ,  H04W74/0816

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless device may perform a listen-before-talk (LBT) procedure for a narrowband communication that provides time and frequency synchronization and/or scheduling information for an ultra-wideband (UWB) communication. The wireless device may transmit the narrowband communication in response to the LBT procedure being successful. The wireless device may transmit the UWB communication based at least in part on the time and frequency synchronization and/or scheduling information. Numerous other aspects are described.

公开(公告)号：US12150082B2

公开(公告)日：2024-11-19

申请号：US17806809

申请日：2022-06-14

Applicant: QUALCOMM Incorporated

Inventor： Varun Amar Reddy ,  Alexandros Manolakos ,  Pooria Pakrooh ,  Krishna Kiran Mukkavilli

IPC: H04W64/00 ,  H04W72/1268

Abstract: In some implementations, a ultra-wideband (UWB) device comprises a Global Anchor for a network of UWB anchors having a plurality of clusters and initiator anchors (Init-Anchors). The Global Anchor may obtain metric information comprising a centrality metric value of each Init-Anchor from information communicated to the Global-Anchor in a first control phase. The Global Anchor may determine a slot schedule for a second control phase, wherein: determining the slot schedule is based on the centrality metric values of the plurality of Init-Anchors; the slot schedule comprises an allocation of time slots of the second control phase among the plurality of Init-Anchors for wireless radio frequency (RF) communication; and the allocation of time slots includes a first set of time slots for upstream communication followed by a second set of time slots for downstream communication. The Global Anchor may send the slot schedule to an Init-Anchor of the plurality of Init-Anchors.

公开(公告)号：US12081261B2

公开(公告)日：2024-09-03

申请号：US17960056

申请日：2022-10-04

Applicant: QUALCOMM Incorporated

Inventor： Pooria Pakrooh ,  Bin Tian ,  Stephen Jay Shellhammer ,  Le Nguyen Luong ,  Koorosh Akhavan

IPC: H04B1/71 ,  H04B1/7183

CPC classification number: H04B1/7183

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless communication device may transmit, to a second wireless communication device, a time and/or frequency synchronization message using a first radio frequency (RF) technology, wherein the time and/or frequency synchronization message is used to obtain synchronization information for a second RF technology. The first wireless communication device may transmit, to the second wireless communication device, a first set of ranging measurement signals associated with the second RF technology. The first wireless communication device may receive, from the second wireless communication device, a second set of ranging measurement signals associated with the second RF technology. Numerous other aspects are described.