Patents by Inventor Eng Hwee ONG
Eng Hwee ONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10015736Abstract: A method, apparatus, and computer program is presented for scanning in a wireless network. A wireless device receives a downlink frame from two access points, the downlink frames indicating their respective transmission powers. The wireless device then determines the closest access point and a transmission power sufficient to reach that access point. Then, the wireless device carries out transmission of a probe request with the determined transmission power.Type: GrantFiled: June 18, 2012Date of Patent: July 3, 2018Assignee: Nokia Technologies OyInventors: Eng Hwee Ong, Mika Kasslin
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Patent number: 9832758Abstract: Methods, apparatuses, and a computer program are presented for determining a reservation period for data transmission in a wireless communication network. The duration of the reservation period is determined on the basis of RTS/CTS handshake between a transmitter and a receiver apparatus.Type: GrantFiled: February 15, 2011Date of Patent: November 28, 2017Assignee: Nokia Technologies OyInventors: Jarkko Kneckt, Eng Hwee Ong
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Patent number: 9503966Abstract: One embodiment is directed to a method of cell selection/reselection. The method includes gathering discovery information of a secondary radio access technology (RAT) by listening to a single primary radio access technology (RAT). The method may further include performing cell selection/reselection using the discovery information.Type: GrantFiled: July 22, 2011Date of Patent: November 22, 2016Assignee: NOKIA TECHNOLOGIES OYInventors: Eng Hwee Ong, Janne Marin, Niko Kiukkonen
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Patent number: 9473978Abstract: There is provided a method comprising: causing a station capable of communication in a wireless network to acquire knowledge of a medium usage indicator with respect to at least one channel applicable for transmission of a scanning request; and determining a transmission time for a next scanning request at least partly based on the medium usage indicator.Type: GrantFiled: March 8, 2012Date of Patent: October 18, 2016Assignee: Nokia CorporationInventors: Mika Kasslin, Jarkko Kneckt, Eng Hwee Ong
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Publication number: 20150131641Abstract: A method, apparatus, and computer program is presented for scanning in a wireless network. A wireless device receives a downlink frame from two access points, the downlink frames indicating their respective transmission powers. The wireless device then determines the closest access point and a transmission power sufficient to reach that access point. Then, the wireless device carries out transmission of a probe request with the determined transmission power.Type: ApplicationFiled: June 18, 2012Publication date: May 14, 2015Applicant: NOKIA CORPORATIONInventors: Eng Hwee Ong, Mika Kasslin
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Publication number: 20150131435Abstract: There is provided a method comprising: causing a station capable of communication in a wireless network to acquire knowledge of a medium usage indicator with respect to at least one channel applicable for transmission of a scanning request; and determining a transmission time for a next scanning request at least partly based on the medium usage indicator.Type: ApplicationFiled: March 8, 2012Publication date: May 14, 2015Applicant: Nokia CorporationInventors: Mika Kasslin, Jarkko Kneckt, Eng Hwee Ong
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Publication number: 20150124601Abstract: A method, apparatus and computer program product are provided for managing network traffic offloading. In the context of a method, a method is provided that includes determining, based at least in part on a QoS (Quality of Service) mapping scheme, whether a data flow should be offloaded from a first access point to a second access point. The method may further include, if it is determined that the offload should be performed, causing the data flow to be offloaded to the second access point according to the QoS mapping scheme and causing a perceived QoS of the data flow to be monitored. The method may further include, in an instance in which the perceived QoS does not satisfy a predetermined desired QoS threshold, causing a remedial action to be performed.Type: ApplicationFiled: April 23, 2013Publication date: May 7, 2015Applicant: Nokia CorporationInventors: Zexian Li, Eng Hwee Ong
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Publication number: 20150043366Abstract: A method, apparatus, and computer program for monitoring messages transmitted in a wireless network are disclosed. On the basis of the monitoring, it is determined that a transmission rate of messages is not sufficient upon detecting no message within a minimum transmission time interval and, upon determining that the transmission rate of messages is not sufficient, an access point of the wireless network is caused to transmit a scanning message.Type: ApplicationFiled: February 17, 2012Publication date: February 12, 2015Applicant: NOKIA CORPORATIONInventors: Jarkko Kneckt, Mika Kasslin, Eng Hwee Ong
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Patent number: 8923146Abstract: A method, an apparatus, and a computer program are presented for carrying out channel reservations in a wireless communication system. A communication apparatus initiates a preliminary channel reservation procedure initiating related to a spatial multiplexing group transmission. The communication apparatus is caused to transmit during the preliminary channel reservation procedure a reservation request message announcing a preliminary group reservation on the channel. Upon completed preliminary channel reservation procedure, the communication apparatus is caused to utilize the preliminary group reservation by causing transmission of a frame on the reserved channel according to the spatially multiplexed wireless communication.Type: GrantFiled: August 31, 2011Date of Patent: December 30, 2014Assignee: Nokia CorporationInventors: Eng Hwee Ong, Jarkko Kneckt
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Patent number: 8879471Abstract: Method, apparatus, and computer program product embodiments of the invention are disclosed to improve the discovery of wireless networks. In example embodiments of the invention, a method comprises: transmitting a wireless message including a list of one or more wireless devices, from which a response is not desired; and receiving zero or more responses from one or more other wireless devices that are not on the list.Type: GrantFiled: October 18, 2011Date of Patent: November 4, 2014Assignee: Nokia CorporationInventors: Jarkko Lauri Sakari Kneckt, Mika Ilkka Tapani Kasslin, Eng Hwee Ong
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Patent number: 8879992Abstract: Method, apparatus, and computer program product embodiments of the invention are disclosed to improve the discovery of wireless networks. In example embodiments of the invention, a method comprises: listening by an apparatus, to wireless discovery request messages transmitted by one or more wireless devices; listening by the apparatus, to wireless discovery response messages from one or more other wireless devices; and modifying transmission by the apparatus, of one or more of its own wireless discovery request messages based on at least one of the wireless discovery request messages listened to or the wireless discovery response messages listened to.Type: GrantFiled: October 27, 2011Date of Patent: November 4, 2014Assignee: Nokia CorporationInventors: Jarkko Kneckt, Eng Hwee Ong, Mika Kasslin, Gabor Bajko
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Publication number: 20140242985Abstract: This document discloses a solution for preparing for a connection establishment in a wireless network. According to an aspect, transmission of a request message from the wireless apparatus is carried out on a channel. Thereafter, a response message is acquired on said channel as a response to the request message, the response message being originated from a second wireless apparatus which is in an unassociated state with said wireless apparatus, and the response message comprising information on at least two wireless networks operating on at least one of said channel and another channel. Then, the received response message may be utilized in the connection establishment.Type: ApplicationFiled: October 28, 2011Publication date: August 28, 2014Applicant: Nokia CorporationInventors: Jarkko Kneckt, Mika Kasslin, Eng Hwee Ong, Gabor Bajko
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Patent number: 8767570Abstract: Methods and apparatuses for indicating status of radio resources in a wireless network are provided. A requesting device transmits a resource request on a first radio channel to a responding device. The resource request includes a request to reserve the first radio channel between the requesting device and the responding device. The responding device transmits a resource response on the first radio channel in response to the resource request. The resource response comprises status information indicative of status of at least one second radio channel not requested to be reserved by the requesting device.Type: GrantFiled: February 14, 2011Date of Patent: July 1, 2014Assignee: Nokia CorporationInventors: Eng Hwee Ong, Jarkko Kneckt
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Publication number: 20140092860Abstract: Methods, apparatuses, and a computer program are presented for carrying out channel reservations in a wireless communication system. A communication apparatus initiates a channel reservation procedure. During the channel reservation procedure, the communication apparatus is caused to transmit a reservation request message comprising information elements specifying at least one secondary channel being reserved and a communication direction for at least one channel being reserved. Upon completed reservation procedure, the communication apparatus is caused to utilize the reserved at least one secondary channel in wireless communication in the communication direction specified in the reservation request message.Type: ApplicationFiled: June 16, 2011Publication date: April 3, 2014Inventors: Jarkko Kneckt, Eng Hwee Ong, Janne Marin, Mika Kasslin
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Publication number: 20140056177Abstract: A wireless device may perform one or more omnidirectional scans for network wireless devices. Based at least in part on results of those omnidirectional scans, the scanning wireless device may determine that one or more directional scans should be performed. The scanning wireless device may then select one or more scan directions and perform a directional scan in each of those scan directions.Type: ApplicationFiled: August 22, 2012Publication date: February 27, 2014Applicant: NOKIA CORPORATIONInventors: Jarkko Lauri Sakari Kneckt, Eng Hwee Ong
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Patent number: 8644875Abstract: A method, apparatus, and computer program for controlling transmission power of a radio apparatus are provided. The method includes: determining, in a radio apparatus configured to support a cellular radio access technology in communication with a cellular counterpart apparatus and a short range radio access technology in communication with a short range counterpart apparatus, a maximum total transmit power of the radio apparatus; causing the radio apparatus to use a first transmit power level in transmission to the cellular counterpart apparatus; determining a remaining transmission power margin by computing a difference between the maximum total transmit power and the first transmit power level; and causing the radio apparatus to autonomously limit a second transmit power level to fall within the remaining transmission power margin and to use the second transmit power level in transmission to the short range counterpart apparatus.Type: GrantFiled: September 8, 2011Date of Patent: February 4, 2014Assignee: Nokia CorporationInventors: Niko Tapani Kiukkonen, Eng Hwee Ong, Janne Marin
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Publication number: 20130294394Abstract: Methods, apparatuses, and a computer program are presented for determining a reservation period for data transmission in a wireless communication network. The duration of the reservation period is determined on the basis of RTS/CTS handshake between a transmitter and a receiver apparatus.Type: ApplicationFiled: February 15, 2011Publication date: November 7, 2013Applicant: Nokia CorporationInventors: Jarkko Kneckt, Eng Hwee Ong
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Publication number: 20130294289Abstract: Methods, apparatuses, and a computer program are presented for utilizing, by a wireless communication apparatus of a first network, a proxy apparatus of a second network, wherein the channels of the two networks overlap. The proxy apparatus is used to reserve the overlapping channels also in the second network so as to protect data transmissions in the first network and to avoid collisions.Type: ApplicationFiled: January 30, 2012Publication date: November 7, 2013Applicant: Nokia CorporationInventors: Jarkko Kneckt, Eng Hwee Ong, Mika Kasslin, Janne Marin
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Publication number: 20130237216Abstract: This document discloses a solution for transmitting scanning response messages in an orderly manner in a wireless network. An access node determines a transmission order for a plurality of access nodes responding to a scanning request message provided by a scanning/requesting device. Then, the access node determines its own transmission turn within the transmission order and transmits a scanning response message with reduced channel contention. Another aspect relates to the scanning device arranged to receive the scanning response messages where the scanning device monitors the transmission order of the scanning response messages.Type: ApplicationFiled: March 8, 2012Publication date: September 12, 2013Applicant: Nokia CorporationInventors: Eng Hwee ONG, Jarkko Kneckt, Mika Kasslin, Gabor Bajko
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Patent number: RE47913Abstract: One embodiment is directed to a method of cell selection/reselection. The method includes gathering discovery information of a secondary radio access technology (RAT) by listening to a single primary radio access technology (RAT). The method may further include performing cell selection/reselection using the discovery information.Type: GrantFiled: November 20, 2018Date of Patent: March 17, 2020Assignee: NOKIA TECHNOLOGIES OYInventors: Eng Hwee Ong, Janne Marin, Niko Kiukkonen