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Hongfei

Hongfei Chen, Shenshen CN

Patent application numberDescriptionPublished
20090201931Method and apparatus for transferring IP transmission session - A method for transferring an IP transmission session is disclosed, including the following: a transmission session is created between the first node and second node based on a single IP protocol; the first node and second node obtain a transferable address pair by exchanging the session transfer management signaling; the transferable address pair is checked for bidirectional reachability; the transferable address pair is available if reachable in both directions, or is not available if unreachable in either direction; and the transmission session is transferred through the available transferable address pair. An apparatus for transferring an IP transmission session is also disclosed. Through the technical solution under the present disclosure, a session can be transferred in a network where IPv4 coexists with IPv6 without substantially affecting continuity of the end-to-end transmission session, thus fulfilling the requirements in the transition period during which IPv4 coexists with IPv6.08-13-2009

Hongfei Chen, Shenzhen CN

Patent application numberDescriptionPublished
20090059866METHOD, SYSTEM AND APPARATUS FOR IMPLEMENTING FAST HANDOVER - A method, a system and an apparatus for fast handover, and relates to the field of mobile communication. The method is to create a fixed tunnel relationship between the PAR and the NAR, where a current host route of an MN at the access routers PAR and NAR is created; and the access routers (PAR and NAR) and the MN encapsulating a message according to the current host route information of the MN, and transferring the message through a tunnel. The apparatus includes a tunnel creating module, a host route creating module, a neighbor relationship creating module, and a transferring module. The technical solution under the present disclosure needs to create only one tunnel, which improves the router efficiency greatly and makes the handover process smoother.03-05-2009
20090252121METHOD, SYSTEM AND DEVICE FOR TRANSMITTING A MEDIA INDEPENDENT HANDOVER MESSAGE - A method for transmitting a media independent handover (MIH) message includes the following steps: The MIH message is divided into segments and the segments are encapsulated into transmission control protocol (TCP) segments; the TCP segments are then encapsulated into Internet protocol (IP) data packets; the IP data packets is transmitted to a receiving end. The method, system, and device for transmitting an MIH message described herein provide flow controls for the MIH message transmission, thereby enhancing the transmission efficiency of the MIH message.10-08-2009
20100058027METHOD FOR SELECTING HASH FUNCTION, METHOD FOR STORING AND SEARCHING ROUTING TABLE AND DEVICES THEREOF - A method for selecting a hash function, a method for storing and searching a routing table and devices thereof are provided. The method for selecting a hash function includes: hashing data to be hashed by using a current alternative hash function; decoding a hash result; accumulating decoded results until no carry occurs during the accumulation; and selecting a current alternative hash function with no carry generated as a formal hash function. The method for storing a routing table includes: dividing the routing table into a next-level node pointer portion and a prefix portion for being stored; and selecting a hash function by using the above method for selecting a hash function. The method for searching a routing table includes: directly searching an IP address to be searched according to a directly stored length of a next-level node pointer portion for storing the routing table; and reading a prefix node according to a searched result. Thus, hash collision can be avoided, and memory resources occupied by the routing table can be effectively reduced.03-04-2010

Patent applications by Hongfei Chen, Shenzhen CN

Hongfei Li, Yorktown Heights, NY US

Patent application numberDescriptionPublished
20110055087Determining Cost and Processing of Sensed Data - Methods, systems and apparatus for determining a proposed cost for use of sensor resources and selecting a method of processing of sensed data are presented. Such a method includes the steps of: predicting a state of an environment, obtaining at least one criterion related to the use of the sensor resources comprising one or more data sensors, determining the proposed cost for use of the sensor resources, acquiring the sensed data from the one or more data sensors, determining a characteristic of the sensed data, and selecting the method of processing the sensed data according to the determined characteristic and the predicted state. The at least one criterion is based upon the predicted state. The determining of the proposed cost is based on the at least one criterion. One or more of steps are implemented on the processor device.03-03-2011

Hongfei Wang, East Of Beijing CN

Patent application numberDescriptionPublished
20080277311Packaging Box for Medicaments - A packaging box for medicaments, which can comprise: a bottom panel (11-13-2008

Hongfei Wu, Beijing CN

Patent application numberDescriptionPublished
20120035236Pyrazolyl Acrylonitrile Compounds and Uses Thereof - A kind of pyrazolyl acrylniitrile compounds represented by the structures of formula I or stereoisomers thereof are disclosed in the present invention.02-09-2012

Hongfei Wu, Liaoning CN

Patent application numberDescriptionPublished
20100317864Preparation Method of Phenylcarboxamides - A preparation method of phenylcarboxamides of formula (I), the reaction scheme of which is as follows:12-16-2010

Hongfei Wu, Colchester, VT US

Patent applications by Hongfei Wu, Colchester, VT US

Hongfei Yan, Mesa, AZ US

Patent application numberDescriptionPublished
20080278187Test pin, method of manufacturing same, and system containing same - A test pin includes a compression element (11-13-2008

Hongfei Yan`, Shenzhen CN

Patent application numberDescriptionPublished
20100078958Roof Retracting Device and Vehicle Equipped with the Same - The present invention discloses a roof retracting device, the roof retracting device comprises a driving shaft, a rear frame, a trunk cover, a main axle, a first lever, a second lever extending transversely from one end of the driving shaft, and a connecting lever, wherein the driving shaft rotates around the main axle, and drives a roof to move between an extended position and a retracted position; the rear frame opens for the passage of the roof, and closes to seal a space between the roof and the trunk cover; the first lever connects to the second lever, and rotates around the main axle; and the connecting lever connects the first lever to the rear frame. The rear frame operates harmoniously with the driving shaft via the first lever, the second lever and the connecting lever.04-01-2010
20110187149Vehicle Roof Retracting Device and Vehicle Having the Same - A vehicle roof retracting device comprises a guiding mechanism, a rear shelf, a principal shaft, an adjusting lever, an initiative lever, and a connecting lever. The guiding mechanism of the roof rotates around the principal shaft for actuating the roof to displace between a closed position and a retracted position. The rear shelf provides a space for the passage of the roof when it is opened and conceals a gap between the roof and the trunk cover when it is closed. The adjusting lever is connected to an extension extending transversely from one end of the guiding mechanism and actuated by the extension to rotate around the principal shaft. A protruding part of the adjusting lever is engaged with or disengaged from the initiative lever for rotating the initiative lever around said principal shaft. The connecting lever is configured to connect the initiative lever and the rear shelf for displacing the rear shelf between the open position and the closed position.08-04-2011
20110227365RETRACTABLE VEHICLE ROOF APPARATUS AND VEHICLE HAVING THE SAME - A retractable vehicle roof apparatus comprises a roof, a rear windshield hinged to the roof, a trunk cover, a rear shelf disposed at the rear windshield and moveable between a horizontal position in which the rear shelf provides a sealing structure for the vehicle and a vertical position in which the rear shelf provides a space for the passage of the roof and the rear windshield, and closure flaps mounted on the trunk cover and moveable between an extended position in which the closure flaps are located at both sides of the trunk cover respectively and a retracted position in which the closure flaps are attached to a lower surface of the trunk cover. A vehicle comprises the above-mentioned retractable vehicle roof apparatus.09-22-2011

Hongfei Zhu, Beijing CN

Patent application numberDescriptionPublished
20080225795MAC AND TCP COORDINATION APPROACH FOR PERFORMANCE IMPROVEMENT IN IEEE 802.16E MOBILE BROADBAND ACCESS SYSTEMS - A mobile device includes a communications protocol stack including a MAC layer and TCP layer separated by an IP layer. A cross-layer coordination module parallel to the communications protocol stack is coupled to both the MAC layer and TCP layer. The MAC layer generates a message sent to the cross-layer coordination module indicating that the mobile device is about to engage in a communications handover from a first base station to a second base station. The cross-layer coordination module passes handover information to the TCP layer so as to inform the TCP layer of the communications handover. If the mobile device is operating as a TCP sender, the TCP layer freezes its connection and state during the communications handover. If the mobile device is operating as a TCP receiver, the TCP layer sends a TCP ACK message to a TCP sender having an advertised window size set to a zero value so as to cause the TCP sender to freeze a connection and state during communications handover.09-18-2008
20110249559MAC AND TCP COORDINATION APPROACH FOR PERFORMANCE IMPROVEMENT IN IEEE 802.16e MOBILE BROADBAND ACCESS SYSTEMS - A mobile device includes a communications protocol stack including a MAC layer and TCP layer separated by an IP layer. A cross-layer coordination module parallel to the communications protocol stack is coupled to both the MAC layer and TCP layer. The MAC layer generates a message sent to the cross-layer coordination module indicating that the mobile device is about to engage in a communications handover from a first base station to a second base station. The cross-layer coordination module passes handover information to the TCP layer so as to inform the TCP layer of the communications handover. If the mobile device is operating as a TCP sender, the TCP layer freezes its connection and state during the communications handover. If the mobile device is operating as a TCP receiver, the TCP layer sends a TCP ACK message to a TCP sender having an advertised window size set to a zero value so as to cause the TCP sender to freeze a connection and state during communications handover.10-13-2011