Patents Examined by Huy Phan
  • Patent number: 7890149
    Abstract: The present invention provides a portable terminal enabled to eliminate complexity caused when the placement of a display portion is changed by a user to view a picture.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: February 15, 2011
    Assignee: Panasonic Corporation
    Inventors: Fumihiro Muramatsu, Kohichi Kunitomo
  • Patent number: 7890112
    Abstract: The route maintenance unit outputs a period setting request to the period setting unit when the communication unit normally receives a Hello packet for the first time. The period setting unit sets a link connection confirmation period in response to the period setting request and outputs the set period to the route maintenance unit. The route maintenance unit maintains a radio link between the radio device in which the route maintenance unit is provided and an adjacent device upon receiving a data packet other than a Hello packet from the adjacent radio device even if a Hello packet is not received in the link connection confirmation period. Consequently, route disconnection or switching occurs less often.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: February 15, 2011
    Assignees: NEC Communication Systems, Ltd., Advanced Telecommunications Research Institute International
    Inventors: Tetsuya Ito, Jun Hasegawa, Satoko Itaya, Akira Matsumoto, Hiroyuki Iizuka, Yuichiro Ezure, Akio Hasegawa, Peter Davis, Naoto Kadowaki, Sadao Obana
  • Patent number: 7885247
    Abstract: A method of transmitting feedback information is disclosed. More specifically, a mobile station (MS) receives a Protocol Data Unit (PDU) which includes a Medium Access Channel (MAC) header from a base station (BS). Thereafter, the MS determines from the received MAC header whether an extended subheader group appears after the MAC header, and also identifies a feedback request extended subheader from the extended subheader group. Lastly, the MS transmits the feedback information according to the feedback request extended subheader.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: February 8, 2011
    Assignee: LG Electronics Inc.
    Inventors: Bin Chul Ihm, Jin Young Chun, Yong Suk Jin
  • Patent number: 7885265
    Abstract: A transmission control method for uplink user data in a mobile communication system in which a plurality of HARQ processes is applied to the uplink user data, includes: classifying, at the radio network controller, each HARQ process into any of a scheduled transmission process, a non-scheduled transmission process, or a scheduled and non-scheduled transmission process in which either of the scheduled transmission or the non-scheduled transmission is performed; notifying, at the radio network controller, the classification result to the mobile station; and transmitting, at the mobile station, the uplink user data in each HARQ process to the radio base station using the scheduled transmission or the non-scheduled transmission, based on the notified classification result.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: February 8, 2011
    Assignee: NTT DoCoMo, Inc.
    Inventors: Masafumi Usuda, Anil Umesh
  • Patent number: 7881254
    Abstract: A wireless network apparatus includes an infrastructure controller to exchange packets of data with a wireless base station over a wireless channel, and receives start beacon packets and stop beacon packets from the wireless base station. An ad hoc controller exchanges packets of data with one or more wireless end stations over the wireless channel. A master controller causes the infrastructure controller to exchange packets of data with the wireless base station over the wireless channel only after receiving one of the start beacon packets and before receiving a next one of the stop beacon packets, and causes the ad hoc controller to exchange packets of data with the one or more wireless end stations over the wireless channel only after receiving one of the stop beacon packets and before receiving a next one of the start beacon packets.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: February 1, 2011
    Assignee: Marvell International Ltd.
    Inventors: Peter Loc, Foo Keong Tang
  • Patent number: 7881238
    Abstract: An ad hoc network identifier may be received, for example, at an ad hoc network convergence module. One or more ad hoc network parameters may be generated as a function of the ad hoc network identifier. Each of a group of computers attempting to form an ad hoc network identified by the ad hoc network identifier may generate the one or more ad hoc network parameters. Two or more of the group of computers may perform an ad hoc network formation protocol parameterized with the generated one or more ad hoc network parameters. An instruction to join the network may be received, for example, at a networking service. If it is detected that the network is an ad hoc network, an ad hoc network address acquisition mode featuring accelerated ad hoc network address acquisition may be activated. Efficient formation of the ad hoc network may thus be facilitated.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: February 1, 2011
    Assignee: Microsoft Corporation
    Inventors: Anton W. Krantz, Abhishek Abhishek
  • Patent number: 7877100
    Abstract: A position determination system and apparatus for utilizing a network of cellular base stations to determine position of a mobile station includes taking a plurality of statistically independent data measurements of the pilot signals from the base stations. Each of the data measurements includes an earliest time of arrival, providing multiple independent measurements for each of the pilot signals. For each cellular base station, a representative measurement is calculated responsive to the independent measurements, which is used to determine position of the mobile station using an AFLT algorithm and/or in conjunction with a GPS algorithm. In some embodiments, the data measurements for each pilot signal further include an RMSE estimate and time of measurement for each time of arrival, and an energy measurement for all resolvable paths. If the mobile station comprises a cell phone, a cell search list and a GPS search list may be provided by a cell base station.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: January 25, 2011
    Assignee: QUALCOMM Incorporated
    Inventors: Roland R. Rick, Ivan Fernandez-Corbaton, Jeremy M. Stein, Messay Amerga, Borislav Ristic, Ashok Bhatia
  • Patent number: 7873392
    Abstract: A handsfree device in communication with a remote communication device by one of wireless communication and wired communication for establishing a handsfree call includes a call interruption detection unit for detecting a call interruption by a second call while the remote communication device is involved in a first call and a response command transfer unit for transferring a response command to the remote communication device in response to the call interruption when the call interruption is detected by the call interruption detection unit.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: January 18, 2011
    Assignee: Denso Corporation
    Inventor: Naoki Matsuda
  • Patent number: 7873376
    Abstract: A method and system are disclosed in which a Mobile Terminated SMS (Short Message Service) wireless message generated by a Computer Application containing an embedded response menu can be sent to a Mobile Handset and in which a Mobile Originated response from the Mobile Handset can be uniquely re-associated with the original Mobile Terminated message is described. Given that SMS provides no inherent association between Mobile Terminated and Mobile Originated messages, the method and system provide a scheme in which the original Computer Application menu response options are remapped to unique values prior to delivery to the Mobile Handset. When the response is received from the Mobile Handset, the method can uniquely re-associate and reverse map the response code back to the original Mobile Terminated message and original menu response options.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: January 18, 2011
    Assignee: iTechTool Incorporated
    Inventor: David R. Coelho
  • Patent number: 7873348
    Abstract: The invention relates to a method for transmitting data in a WLAN network (Wireless Local Area Network), whereby WLAN messages are transmitted in the Layer 2 protocol layer between a terminal and an access node of the WLAN network. EAP messages (Extensible Authentication Protocol) are transmitted in the WLAN messages, said EAP messages containing SIP messages (Session Initiation Protocol) with SIP authentication data.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: January 18, 2011
    Assignee: Siemens Aktiengesellschaft
    Inventors: Jochen Grimminger, Dirk Kröselberg, Hannes Tschofenig
  • Patent number: 7869798
    Abstract: Methods, systems, and computer-readable media are provided for redirecting telephone calls from a wireless device in a telecommunications network. The existence of a predefined condition is determined after an incoming call is received in the wireless device. The predefined condition may be based on a number of criteria including the current time and date, the current quantity of minutes used in the wireless device, the current estimated bill for usage of the wireless device, a current quantity of received calls in the wireless device when the incoming call is received, and the telephone number associated with the incoming call when the incoming call is received. If the predefined conditions exists, call forwarding rules stored in the wireless device are retrieved and executed from the wireless device. The call forwarding rules include instructions, based on the predefined condition, for redirecting the incoming call.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: January 11, 2011
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Ronald Perrella, John Slemmer, Barrett Kreiner
  • Patent number: 7869461
    Abstract: The present invention relates to a method for transmitting data from a mobile terminal to a radio access network of a mobile communication system, the mobile terminal comprising a medium access control entity and to a mobile terminal. In order to enhance data transmission dependent on the scheduling mode, the present invention provides individual priorities depending on the scheduling mode which are used by the mobile terminal to schedule the transmission data or to multiplex different transmission data of different radio bearers onto a transport channel. Further the invention relates to a method and mobile terminal allowing a scheduling mode dependent scheduling of data transmissions by foreseeing and setting a flag for each logical channel depending on the scheduling mode of the associated radio bearer.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: January 11, 2011
    Assignee: Panasonic Corporation
    Inventors: Joachim Lohr, Eiko Seidel, Dragan Petrovic
  • Patent number: 7869808
    Abstract: A wireless communication system which enables fast handovers by eliminating a time lag that occurs during handover process. A new base station recognizes lower layer link switching timing of a mobile station, then adjusts the output timing of a packet transmission initiation message, which triggers packet transmission, so that when a packet is transmitted from a new relay device to the mobile station, the packet may arrive at the mobile station immediately after the lower layer link switching, and sends out the packet transmission initiation message at the adjusted output timing to the new relay device. On receiving the packet transmission initiation message, the new relay device transmits the packet to the mobile station. The mobile station executes the lower layer link switching to complete lower layer handover, and then completes upper layer handover on receiving the packet from the new relay device immediately after the link switching.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: January 11, 2011
    Assignee: Fujitsu Limited
    Inventor: Yuji Kojima
  • Patent number: 7864720
    Abstract: In some embodiments, a method to manage power in a wireless communication device, comprises in a wireless networking adaptor, changing an operational status of a wireless networking adaptor to a sleep mode and transmitting a sleep message from the wireless networking adaptor to a host driver in an electronic device coupled to the networking adaptor, in the electronic device, determining whether a sleep duration specified in the sleep message exceeds a threshold, in response to a determination that the sleep duration specified in the sleep message exceeds a threshold implementing a selective suspend operation on the electronic device, and monitoring for a wake event, and in response to a determination that the sleep duration specified in the sleep message does not exceed a threshold, flushing one or more bulk IN buffers, and monitoring for a wake event.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: January 4, 2011
    Assignee: Intel Corporation
    Inventor: Jaya L Jeyaseelan
  • Patent number: 7865196
    Abstract: Embodiments of the present invention provide a method, apparatus and system for wireless stations periodically operating over a channel pre-designated for wireless stations to communicate and establish IBSS connections. Embodiments of the invention may provide a high probability that the stations may efficiently communicate. Additional features are described and claimed.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: January 4, 2011
    Assignee: Intel Corporation
    Inventors: Michael Stahl, Shlomo Avital
  • Patent number: 7860502
    Abstract: Provided is a hard handover method in a wireless communication system. The hard handover method includes checking a signal-to-noise ratio (SNR) of a signal received from each of at least one neighboring base station (BS) while in communication with a serving BS, and canceling interference if the SNR of the signal received from each of the at least one neighboring BSs satisfies a select condition; sending a handover request to the serving BS, if a difference between a SNR of the interference-canceled signal and a SNR of the interference signal reaches a handover request threshold; and upon receipt of a handover approval from the serving BS, releasing a communication channel to the serving BS, and connecting a call to a BS that provides an interference signal whose SNR has reached the threshold.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: December 28, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Goo Kim, Young-Mo Gu, Sung-Soo Kim, Byung-Sik Kim
  • Patent number: 7860469
    Abstract: Briefly, in accordance with one or more embodiments, a subscriber station in sleep mode is capable of sending and/or receiving traffic during sleep mode without violating the delay requirements of best effort traffic. Moreover, a subscriber station is capable of remaining in sleep and may optionally only be awaken in the event there is data to be transmitted from the base station to the subscriber station and/or from the subscriber station to the base station. By implementing an always sleep and need based wake up arrangement, the power consumption of the subscriber station can be reduced.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: December 28, 2010
    Assignee: Intel Corporation
    Inventors: Shantidev Mohanty, Muthaiah Venkatachalam
  • Patent number: 7856008
    Abstract: The embodiments of the present invention provide a mechanism to synchronize centralized networks. Each centralized network includes a central coordinator controlling and managing network activities. The embodiments provide a way of allocating beacon slots, such that one of the beacon slots is synchronized to the alternating current line cycle and thus functions as a master timing sequence. In some embodiments, methods, devices, and systems are provided for detecting transmissions of non-coordinating networks.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: December 21, 2010
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Deepak V. Ayyagari, Wai-Chung Chan, Sherman L. Gavette, Lawrence W. Yonge, III, Yiorgos Peponides, Neal Riedel
  • Patent number: 7853237
    Abstract: A power line communication modem within a network camera outputs a communication signal to an AC adaptor. Then, a signal superimposition and separation circuit of the AC adaptor separates a received communication signal from a DC voltage and an amplifier of the AC adaptor amplifies a signal level of the communication signal and then outputs the amplified signal to a power line through a plug. The communication signal is transmitted through a DC cable under a state in which a signal level of the communication signal is attenuated. Accordingly, even when the cable length of a DC cable is large, unnecessary radiation can be suppressed.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: December 14, 2010
    Assignee: Panasonic Corporation
    Inventor: Yoshimi Tokunaga
  • Patent number: 7848776
    Abstract: A dual mode communication system, with user equipment selectively connectable to a plurality of communication systems, for switching communication systems to which the user equipment should be connected, detects that the remaining battery level fell below a first threshold in the user equipment communicating over the W-CDMA system. In the system it is determined whether or not the user equipment can communicate using the GSM system, which can be operated with lower power consumption than the W-CDMA system. When it is determined that communication can be established with the GSM system, the system switches from a connection between the user equipment and the W-CDMA system to a connection between the user equipment and the GSM system without interrupting the communication over the W-CDMA.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: December 7, 2010
    Assignee: Fujitsu Limited
    Inventors: Takanobu Akiba, Osamu Yamano