# US 7,613,160 B2 · Method and apparatus to establish communication with wireless communication networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,613,160 B2 - Document ID: US7613160B2 - Status: Granted - Kind: B2 - Application number: 10/327,679 - Filed: 2002-12-24 - Published: 2004-06-24 - Granted: 2009-11-03 - Earliest claimed: 2002-12-24 - Assignees: Intel Corporation - Inventors: Duncan M. Kitchin - Web page: https://patentgrep.com/patent/US7613160B2 ## CPC - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W 48/08: Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00) - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 88/10: adapted for operation in multiple networks, e.g. multi-mode access points - H04W 88/182: {Network node acting on behalf of an other network entity, e.g. proxy} - H04W 92/18: between terminal devices - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Briefly, a method of transmitting over a first wireless network a message not addressed to mobile units of the first wireless network, wherein receiving said message causes transmitting stations of the first wireless station to cease transmissions for a predetermined time interval and to enable the access point to be in communication with mobile units or access points of a second wireless network. ## Claims ### Claim 1 A method of communicating in first and second wireless local area networks comprising: communicating as an access point with dual band network interface card (NIC) stations of the first wireless local area network; transmitting a message including one of a null message, a ready to send (RTS) or clear to send (CTS) command, over the first wireless local area network during a predetermined time interval, wherein the transmitting of the message causes stations of the first wireless local area network to refrain from transmitting during the predetermined time interval; and during said predetermined time interval, communicating as a network bridge with a device of the second wireless network. ### Claim 2 (depends on 1) The method of claim 1, further comprising: extending the predetermined time interval to enable communications with the device of the second wireless local area network. ### Claim 3 (depends on 1) The method of claim 1 further comprising: periodically transmitting the message, with a first time interval between transmissions, wherein the first time interval is based on an estimation of a second time interval of a beacon transmission of the second wireless local area network. ### Claim 4 (depends on 1) The method of claim 1 further comprising: buffering communications related to the device of the second wireless local area network while communicating with the device of the first wireless local area network. ### Claim 5 (depends on 1) The method of claim 1, wherein said first frequency band includes 2.4 GHZ, and said second frequency band includes 5 GHz. ### Claim 6 A method of intermediating between devices of a first wireless local area network and a device of a second wireless local area network comprising: while communicating as an access point with dual band network interface card (NIC) devices of a first wireless local area network, simulating a standby or power saving mode with respect to at least one device of a second wireless local area network; transmitting a message including one of a null message, a ready to send (RTS) or clear to send (CTS) command, to halt for a predetermined time interval communications with the devices of the first wireless local area network; and during said time interval, communicating as an intermediate device with at least one device of the second wireless local area network. ### Claim 7 (depends on 6) The method of claim 6 comprising: simultaneously servicing devices of the first and second wireless local area networks, wherein said first wireless network includes devices communicating over a first frequency band, and said second wireless network includes devices communicating over a second frequency band, said first frequency band being different from said second frequency band. ### Claim 8 (depends on 6) The method of claim 6 wherein halting comprises: broadcasting as an access point of the first wireless network a message to mobile units of the first wireless local area network containing a request to cease transmission for said predetermined time interval. ### Claim 9 A wireless local area network communication device comprising: a dual band network interface card (NIC) configured to communicate with devices of a first wireless local area network on a first frequency band and to communicate with devices of a second local area network on a second frequency band; an intermediate device able to service at least one of the first and second wireless local area networks; an access point application to configure said dual band NIC to transmit on a first frequency band a message including one of a null message, a ready to send (RTS) or clear to send (CTS) command, to devices of a first wireless network to cease transmissions for a predetermined time interval; and a processor able to switch for the predetermined time interval from the access point application to the intermediate device wherein, said intermediate device configured the dual band NIC to communicate on a second frequency band with devices of the second local area wireless network. ### Claim 10 (depends on 9) The apparatus of claim 9 wherein the processor is able to simulate a power saving mode for the devices of the second wireless network when communicating with mobile stations of the first wireless network. ### Claim 11 (depends on 9) The apparatus of claim 9 wherein the apparatus comprises an access point. ### Claim 12 (depends on 11) The apparatus of claim 11 wherein the access point is implemented by a software application. ### Claim 13 (depends on 11) The apparatus of claim 11 wherein the access point is able to bridge mobile stations of the first wireless local area network to a gateway of the second wireless local area network. ### Claim 14 (depends on 9) The apparatus of claim 9 wherein the devices of said first and second wireless local area networks comprise at least one mobile unit. ### Claim 15 (depends on 9) The apparatus of claim 9 wherein the devices of the first wireless local area networks comprise at least one gateway. ### Claim 16 A wireless local area network communication apparatus comprising: a dual band network interface card (NIC) configured to communicate with devices of a first wireless local area network on a first frequency band and to communicate with devices of a second local area network on a second frequency band, said NIC operably coupled to a dipole antenna; an intermediate device able to service at least one of the first and second wireless local area networks; an access point application to configure said dual band NIC to transmit on a first frequency band a message including one of a null message, a ready to send (RTS) or clear to send (CTS) command, to devices of a first wireless network to cease transmissions for a predetermined time interval; and a processor able to switch for the predetermined time interval from the access point application to the intermediate device wherein, said intermediate device configured the dual band NIC to communicate on a second frequency band with devices of the second local area wireless network. ### Claim 17 (depends on 16) The apparatus of claim 16 wherein the processor is able to simulate a power saving mode for the devices of the second wireless network when communicating with mobile stations of the first wireless network. ### Claim 18 (depends on 16) The apparatus of claim 16 wherein the apparatus comprises an access point. ### Claim 19 (depends on 18) The apparatus of claim 18 wherein the access point is implemented by a software application. ### Claim 20 (depends on 18) The apparatus of claim 18 wherein the access point is able to bridge mobile stations of the first wireless network to a gateway of the second wireless network. ### Claim 21 (depends on 16) The apparatus of claim 16 wherein the devices of said first and second wireless networks comprise at least one mobile unit. ### Claim 22 (depends on 16) The apparatus of claim 16 wherein the devices of the first wireless networks comprise at least one gateway. ### Claim 23 An article comprising: a processor operably coupled to a storage medium having stored thereon instructions that when executed result in: communicating as an access point with dual band network interface card (NIC) stations of the first wireless local area network, transmitting a message including one of a null message, a ready to send (RTS) or clear to send (CTS) command, over the first wireless local area network during a predetermined time interval, wherein the transmitting of the message causes stations of the first wireless local area network to refrain from transmitting during the predetermined time interval; and during said predetermined time interval, communicating as a network bridge with a device of the second wireless network. ### Claim 24 (depends on 23) The article of claim 23, wherein the instructions when executed further result in: extending the predetermined time interval to enable communications with the device of the second wireless local area network. ### Claim 25 (depends on 23) The article of claim 23, wherein the instructions when executed further result in: periodically transmitting the message, with a first time interval between transmissions, wherein the first time interval is based on an estimation of a second time interval of a beacon transmission of the second wireless local area network. ### Claim 26 (depends on 23) The article of claim 23, wherein the instructions when executed further result in: buffering communications related to the device of the second local area wireless network while communicating with the device of the first wireless local area network. ### Claim 27 (depends on 23) The article of claim 23, wherein the instructions when executed further result in: while communicating as an access point with devices of a first wireless local area network, simulating a standby or power saving mode with respect to at least one device of a second wireless local area network; halting for a predetermined time interval communications with the devices of the first wireless local area network; and during said time interval, transmitting communications received from said devices of the first wireless local area network to at least one device of the second wireless local area network. ### Claim 28 (depends on 27) The article of claim 27, wherein the instructions when executed further result in: simultaneously servicing devices of the first and second wireless local area networks, wherein said first wireless network includes devices communicating over a first frequency band, and said second wireless network includes devices communicating over a second frequency band, said first frequency band being different from said second frequency band. ### Claim 29 (depends on 27) The article of claim 27, wherein the instructions when executed further result in: broadcasting as an access point of the first wireless network a message to mobile units of the first wireless local area network containing a request to cease transmission for said predetermined time interval.