IP Library Granted Patent US 11,395,153
Granted Patent B2
US 11,395,153 · App. 16/891,918 · Granted Jul 19, 2022

Method and system for Wi-Fi data transmission

Inventors: Sasa Trajkovic (Burnaby, CA); Shawn Patrick Stapleton (Vancouver, CA); Qianqi Zhuang (Richmond, CA)
Assignee: DALI WIRELESS, INC.
H04W16/26H04B10/25754H04W84/12H04W88/085
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Quick Facts
Patent No.
US 11,395,153
App. No.
16/891,918
Granted
Jul 19, 2022
Kind
B2
Abstract

A system for networking Wi-Fi Access Points in a Distributed Antenna System includes a plurality of Digital Access Units (DAUs). The plurality of DAUs are coupled and operable to route signals between the plurality of DAUs. The system also includes a plurality of Digital Remote Units (DRUs) coupled to the plurality of DAUs and operable to transport signals between DRUs and DAUs and a plurality of DAU ports and DRU ports. The system further includes a Framer/Deframer, wherein the cellular payload data is separated from the IP data and a network switch. The IP data from a plurality of DAU and DRU ports are buffered and routed to a plurality of DAU and DRU ports. Furthermore, the system includes a plurality of Wi-Fi access points coupled via a mesh network to Wi-Fi access points connected to a plurality of DRUs.

Claims (22)

1. A system for networking Wi-Fi Access Points in a Distributed Antenna System, the system comprising:

a plurality of Digital Access Units (DAUs) that are coupled and operable to route signals between the plurality of DAUs, the plurality of DAUs including a first DAU that includes:

a first DAU port that receives first cellular payload data from a first base transceiver station (BTS),

an Ethernet port that receives Internet Protocol (IP) data, and

a framer that frames the first cellular payload data and the IP data to form a downlink frame;

a plurality of Digital Remote Units (DRUs) coupled to the plurality of DAUs and operable to transport signals between DRUs and DAUs, the plurality of DRUs including a plurality of DRU ports, wherein at least a first DRU port receives the downlink frame; and

a first plurality of Wi-Fi access points coupled via a mesh network to a second plurality of Wi-Fi access points connected to the plurality of DRUs, wherein at least a first Wi-Fi access point in the first plurality of Wi-Fi access points receives the downlink frame from a second Wi-Fi access point in the second plurality of Wi-Fi access points received from the first DRU port.

2. The system of claim 1 , wherein the plurality of DAUs are coupled via at least one of an Ethernet cable, an optical fiber, a microwave line-of-sight link, a wireless link, or a satellite link.

3. The system of claim 1 , wherein the plurality of DAUs are coupled to the plurality of DRUs via at least one of an Ethernet cable, an optical fiber, a microwave line-of-sight link, a wireless link, or a satellite link.

4. The system of claim 1 , wherein the plurality of DRUs are connected in a daisy chain configuration.

5. The system of claim 1 , wherein the plurality of DRUs are connected to the first DAU in a star configuration.

6. The system of claim 1 , wherein the plurality of DRUs are connected in a loop to the first DAU.

7. The system of claim 1 , further comprising a plurality of Wi-Fi gateways, each Wi-Fi gateway coupled to a corresponding one of the plurality of DRUs.

8. The system of claim 7 , wherein each of the plurality of Wi-Fi gateways is integrated into the corresponding one of the plurality of DRUs.

9. The system of claim 7 , further comprising a plurality of sets of Wi-Fi access points, each set being coupled via a mesh network to a corresponding one of the plurality of Wi-Fi gateways.

10. The system of claim 1 , wherein the first DAU further includes a switch that collates the first cellular payload data and the IP data.

11. The system of claim 10 , wherein:

the first DAU further includes an optical port, and

the switch allocates the downlink frame to the optical port.

12. The system of claim 1 , wherein the first DAU further includes:

an optical port; and

a scheduler that allocates the downlink frame to the optical port.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 22, 2021
From: DALI SYSTEMS, CO. LTD.
To: DALI WIRELESS, INC.
Reel/Frame 055002/0124 →
Continuity (4)
Continuation 15907153 · Feb 27, 2018
Continuation 14189044 · Feb 25, 2014
Provisional Application 61869539 · Feb 26, 2013
Related Publication 20200296598A1 · Sep 17, 2020