# US 12,184,327 B2 · Optical wireless communication system and adaptive optical wireless communication network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,327 B2 - Document ID: US12184327B2 - Status: Granted - Kind: B2 - Application number: 16/620,851 - Filed: 2018-06-07 - Published: 2020-06-18 - Granted: 2024-12-31 - Earliest claimed: 2017-06-09 - Assignees: Velmenni Ou - Applicants: Velmenni Ou - Inventors: Deepak Solanki - Web page: https://patentgrep.com/patent/US12184327B2 ## CPC - H04B 10/116: Visible light communication - H04B 10/1143: {Bidirectional transmission} - H04B 10/1149: {Arrangements for indoor wireless networking of information} - H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 88/16: Gateway arrangements - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A communication system is provided, comprising a network members, each one comprising a first communication interface adapted to communicatively couple to any other one of the of said network members and a user device via optical wireless communication (OWC); a gateway member, comprising a second communication interface adapted to communicatively couple to any one of said network members via optical wireless communication (OWC), said a second communication interface is further adapted to communicatively couple to a external communication network; a portable access member, removably connectable to a user device and comprising a third communication interface adapted to communicatively couple said user device to any one of said network members via optical wireless communication (OWC), and wherein said communication system is adapted to form any one of a duplex ring network topology and a duplex mesh network topology, utilizing said network members and said a gateway member. ## Claims ### Claim 1 A full-duplex communication system, comprising: a plurality of network members, each one comprising at least one first communication interface adapted to communicatively couple to any other one of the of said plurality of network members and at least one user device via optical wireless communication (OWC); at least one gateway member, comprising at least one second communication interface adapted to communicatively couple to any one of said plurality of network members via optical wireless communication (OWC), said at least one second communication interface is further adapted to communicatively couple to at least one external communication network; at least one portable access member, operably connectable to a user device and comprising at least one third communication interface adapted to communicatively couple said user device to any one of said plurality of network members via optical wireless communication (OWC), and wherein said communication system is adapted to form any one of a duplex ring network topology and a duplex mesh network topology, utilising said plurality of network members and said at least one gateway member; characterized in that, the at least one portable access member is a user access dongle connected to a user device, wherein the user device is a smart device and one or more of said at least one gateway member is adapted to control any one of said plurality of network members, wherein the gateway member provides a unique id and address to each network member and the network member starts transmitting a beacon, the portable access member captures the beacon and performs CSMA-CA (Carrier Sense Multiple Access-Collision Avoidance) for association, so as to determine at least one data communication path to the at least one user device. ### Claim 2 (depends on 1) The full-duplex communication system according to claim 1, wherein at least a portion of said plurality of network members and said at least one gateway member are adapted to form an optical wireless communication (OWC) backbone network of said communication system. ### Claim 3 (depends on 1) The full-duplex communication system according to claim 1, wherein any one of said first communication interface, said second communication interface and said third communication interface is adapted to provide Visible Light Communication (VLC) and Infrared Light Communication. ### Claim 4 (depends on 1) The full-duplex communication system according to claim 1 wherein said first communication interface comprises: at least one uplink transceiver element, adapted to receive data from a user device and/or any other one of said plurality of network members and transmit the data to any other one of said plurality of network members and/or said at least one gateway member, and at least one downlink transceiver element, adapted to receive data from any other one of said plurality of network elements and/or said at least one gateway member and transmit the data to said user device and/or any other one of said plurality of network members. ### Claim 5 (depends on 4) The full-duplex communication system according to claim 4, wherein said uplink transceiver element is adapted to utilise Infrared Light Communication. ### Claim 6 (depends on 4) A The full-duplex communication system according to claim 4, wherein said downlink transceiver element is adapted to utilise Visible Light Communication (VLC). ### Claim 7 (depends on 1) A The full-duplex communication system according to claim 1, wherein any one of said plurality of network members further comprises a Li-Fi user access port operably coupled to said first communication interface and adapted to establish a Li-Fi communication channel with said at least one portable access member. ### Claim 8 (depends on 7) The full-duplex communication system according to claim 7, wherein said Li-Fi user access port is at least one light source. ### Claim 9 (depends on 8) The full-duplex communication system according to claim 8, wherein said at least one light source comprises at least one LED. ### Claim 10 (depends on 7) The full-duplex communication system according to claim 7, wherein said Li-Fi communication channel is established after at least one physical address is allocated to at least one of said plurality of network members. ### Claim 11 (depends on 1) The full-duplex communication system according to claim 1, wherein said optical wireless communication (OWC) is adapted to provide optical communication via electromagnetic radiation (EMR) with a wavelength in any one of the visible light spectrum, the infrared light spectrum or ultraviolet light spectrum. ### Claim 12 (depends on 1) The full-duplex communication system according to claim 1, wherein at least a predetermined portion of said plurality of network members further comprises a fourth communication interface adapted to communicatively couple to any other one of said predetermined portion of said plurality of network members via Wireless Local Area Network (WLAN) communication and/or Local Area Network (LAN) communication. ### Claim 13 (depends on 12) The full-duplex communication system according to claim 12, wherein said Wireless Local Area network (WLAN) is adapted to provide wireless communication via electromagnetic radiation (EMR) with a wavelength in the radio frequency spectrum.