IP Library › Granted Patent US 12,382,443
Granted Patent B2
US 12,382,443 · App. 18/462,166 · Granted Aug 5, 2025

Wireless network synchronization of cells and client devices on a network

Inventors: David L. Brown (Chattanooga, TN); Fred S. Hirt (Brookfield, IL)
Assignee: Proxense, LLC
H04W72/0446H04W4/02H04W12/02H04W12/04H04W52/0216H04W52/50H04W56/001H04W74/085H04W4/06H04W8/005H04W12/06H04W12/08H04W12/47H04W24/00H04W48/08H04W56/00Y02D30/70
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Quick Facts
Patent No.
US 12,382,443
App. No.
18/462,166
Granted
Aug 5, 2025
Kind
B2
Abstract

A system and method for wireless synchronization on a network are disclosed. In one embodiment, the wireless device includes a wireless transceiver and processing circuitry. The wireless transceiver wirelessly receives synchronization information including a superframe from a first wireless, reader device, and wirelessly transmits the synchronization information to a second wireless, reader device and a portable wireless device, and to wirelessly detect a presence of a portable wireless device. The processing circuitry communicates synchronization information to the second wireless, reader device and portable wireless device. The superframe is used to synchronize a wireless data exchange between the third wireless, reader device and the portable wireless device.

Claims (50)

1. A method, comprising:

detecting, by a wireless coordinator device, that a first wireless access device and a first wireless client device are within a first wireless range of coverage associated with the wireless coordinator device;

assigning, by the wireless coordinator device, a first specific channel frequency to the first wireless access device and the first wireless client device to wirelessly communicate with the wireless coordinator device;

detecting, by the first wireless access device, that the first wireless client device is within a second wireless range of coverage associated with the first wireless access device;

assigning, by the first wireless access device, a first specific time slot and a second specific channel frequency to the first wireless client device to wirelessly communicate with the first wireless access device;

detecting, by the first wireless access device, that the first wireless client device is no longer within the second wireless range of coverage associated with the first wireless access device; and

unassigning, by the first wireless access device, the first specific time slot and the second specific channel frequency from the first wireless client device to wirelessly communicate with the first wireless access device.

2. The method of claim 1 , wherein detecting that the first wireless client device is within the second wireless range of coverage associated with the first wireless access device comprises:

transmitting, by the first wireless access device, a beacon on the first specific channel frequency within the second wireless range of coverage associated with the first wireless access device; and

responsive to an acknowledgement of the beacon on the first specific channel frequency by the first wireless client device, requesting, by the fist wireless access device, the first wireless client device to switch from the first specific channel frequency to the second specific channel frequency for subsequent wireless communication.

3. The method of claim 1 , further comprising:

detecting, by the first wireless access device, that a second wireless client device is within the second wireless range of coverage associated with the first wireless access device; and

reassigning, by the first wireless access device, the first specific time slot and the second specific channel frequency to the second wireless client device to wirelessly communicate with the first wireless access device.

4. The method of claim 1 , further comprising:

detecting, by a second wireless access device, that the first wireless client device is within a third wireless range of coverage associated with the second wireless access device; and

assigning, by the second wireless access device, the second specific time slot and a third specific channel frequency to the first wireless client device to wirelessly communicate with the second wireless access device.

5. The method of claim 4 , wherein the second wireless range of coverage associated with the fist wireless access device and the third wireless range of coverage associated with the second wireless access device partially overlap with each other.

6. The method of claim 4 , further comprising:

detecting, by the wireless coordinator device, that the first wireless access device, the second wireless access device, and the first wireless client device is within the first wireless range of coverage associated with the wireless coordinator device; and

transmitting, by the wireless coordinator device, synchronization information to the first wireless access device, the second wireless access device, and the first wireless client device.

7. The method of claim 6 , wherein the first specific time slot and the second specific time slot are based on the synchronization information.

8. The method of claim 6 , wherein an operation of the first wireless access device, an operation of the second wireless access device, and an operation of the first wireless client device are coordinated based on the synchronization information.

9. The method of claim 1 , wherein the first wireless client device wirelessly communicates with the first wireless access device to access one of an application, an asset, and a service within the second wireless range of coverage associated with the first wireless access device.

10. The method of claim 1 , wherein a wireless communication between the first wireless access device and the first wireless client device is dependent on an IEEE 802 wireless network protocol.

11. A system, comprising:

one or more processors; and

a memory including instructions that, when executed by the one or more processors, cause the system to:

detect, by a wireless coordinator device, that a first wireless access device and a first wireless client device are within a first wireless range of coverage associated with the wireless coordinator device;

assign, by the wireless coordinator device, a first specific channel frequency to the first wireless access device and the first wireless client device to wirelessly communicate with the wireless coordinator device;

detect, by the first wireless access device, that the first wireless client device is within a second wireless range of coverage associated with the first wireless access device;

assign, by the first wireless access device, a first specific time slot and a second specific channel frequency to the first wireless client device to wirelessly communicate with the first wireless access device;

detect, by the first wireless access device, that the first wireless client device is no longer within the second wireless range of coverage associated with the first wireless access device; and

unassign, by the first wireless access device, the first specific time slot and the second specific channel frequency from the first wireless client device to wirelessly communicate with the first wireless access device.

12. The system of claim 11 , wherein to detect that the first wireless client device is within the second wireless range of coverage associated with the first wireless access device, the instructions, when executed by the one or more processors, further cause the system to:

transmit, by the first wireless access device, a beacon on the fist specific channel frequency within the second wireless range of coverage associated with the first wireless access device; and

responsive to an acknowledgement of the beacon on the first specific channel frequency by the first wireless client de vice, request, by the first wireless access device, the first wireless client device to switch from the first specific channel frequency to the second specific channel frequency for subsequent wireless communication.

13. The system of claim 11 , wherein the instructions, when executed by the one or more processors, further cause the system to:

detect, by the first wireless access device, that a second wireless client device is within the second wireless range of coverage associated with the first wireless access device; and

reassign, by the first wireless access device, the first specific time slot and the second specific channel frequency to the second wireless client device to wirelessly communicate with the first wireless access device.

14. The system of claim 11 , wherein the instructions, when executed by the one or more processors, further cause the system to:

detect, by a second wireless access device, that the first wireless client device is within a third wireless range of coverage associated with the second wireless access device; and

assign, by the second wireless access device, a second specific time slot and a third specific channel frequency to the first wireless client device to wirelessly communicate with the first wireless access device.

15. The system of claim 14 , wherein the second wireless range of coverage associated with the first wireless access device and the third wireless range of coverage associated with the second wireless access device partially overlap with each other.

16. The system of claim 14 , wherein the instructions, when executed by the one or more processors, further cause the system to:

detect, by the wireless coordinator device, that the first wireless access device, the second wireless access device, and the first wireless client device is within the first wireless range of coverage associated with the wireless coordinator device; and

transmit, by the wireless coordinator device, synchronization information to the first wireless access device, the second wireless access device, and the first wireless client device.

17. The system of claim 16 , wherein the first specific time slot and the second specific time slot are based on the synchronization information.

18. The system of claim 16 , wherein an operation of the first wireless access device, an operation of the second wireless access device, and an operation of the first wireless client device are coordinated based on the synchronization information.

19. The system of claim 11 , wherein the first wireless client device wirelessly communicates with the first wireless access device to access one of an application, an asset, and a service within the second wireless range of coverage associated with the first wireless access device.

20. The system of claim 11 , wherein a wireless communication between the first wireless access device and the first wireless client device is dependent on an IEEE 802 wireless network protocol.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 7, 2023
From: BROWN, DAVID L.; HIRT, FRED S.
To: PROXENSE, LLC
Reel/Frame 064828/0276 →
Continuity (14)
Continuation 17854838 · Jun 30, 2022
Continuation 16657879 · Oct 18, 2019
Continuation 16366010 · Mar 27, 2019
Continuation 14675433 · Mar 31, 2015
Continuation 13686673 · Nov 27, 2012
Continuation 11620581 · Jan 5, 2007
Continuation 14675433 · Mar 31, 2015
Continuation 13875895 · May 2, 2013
Continuation 13491417 · Jun 7, 2012
Continuation 11620577 · Jan 5, 2007
Continuation 14675433 · Mar 31, 2015
Continuation 11620600 · Jan 5, 2007
Provisional Application 60760362 · Jan 6, 2006
Related Publication 20230422223A1 · Dec 28, 2023
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