Patents by Inventor Wei-Peng Chen

Wei-Peng Chen 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).

  • Patent number: 8620341
    Abstract: In accordance with particular embodiments, a method includes providing one or more network tuning constants associated with one or more base stations of a wireless network. The network tuning constants are configured to adjust an equilibrium point of a first bandwidth allocation among the one or more base stations. The method also includes receiving one or more signal performance values from each of the one or more base stations in the wireless network. The method further includes determining whether at least one of the one or more network tuning constants needs to be adjusted. The method additionally includes, upon determining that at least one of the one or more network tuning constants needs to be adjusted, adjusting the one or more network tuning constants based at least in part on the one or more signal performance values.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: December 31, 2013
    Assignee: Fujitsu Limited
    Inventors: Chenxi Zhu, Wei-Peng Chen
  • Publication number: 20130338949
    Abstract: An electricity monitoring system of monitoring electricity usage within a unit. The electricity monitoring system may include a transceiver module configured to receive an electricity usage report from a smart device associated with a unit. The electricity usage report may indicate electricity usage for the smart device. The electricity monitoring system may also include a determination module configured to generate a unit electricity usage report for the unit based on the received electricity usage report. The unit electricity usage report may indicate electricity usage for the unit. The transceiver module may be further configured to transmit the unit electricity usage report to a provider of electricity for the unit.
    Type: Application
    Filed: June 13, 2012
    Publication date: December 19, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Jorjeta G. JETCHEVA, Wei-Peng CHEN
  • Patent number: 8606513
    Abstract: In accordance with some embodiments of the present disclosure, a method may include recording trip information associated with a vehicle, the trip information including parameters associated with previous trips taken by the vehicle. The method may also include a first portion of power to be delivered by an electric motor and a second portion of power to be delivered by an engine configured to convert chemical energy to mechanical energy for driving one or more components of the vehicle based at least on the trip information and a state of charge of an energy storage device configured to provide electrical energy to a electric motor configured to convert electrical energy to mechanical energy for driving one or more components of the vehicle.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: December 10, 2013
    Assignee: Fujitsu Limited
    Inventor: Wei-Peng Chen
  • Patent number: 8570955
    Abstract: A method of mapping transmission stations in a wireless network by grouping the transmission stations such that each transmission station in the same group transmits a sounding signal in the same time symbol. A method of grouping transmission stations in a wireless network includes sorting the transmission stations in descending order according to a number of transmission links of each transmission station that are unmapped, evaluating each transmission station based on how many unmapped transmission links can be mapped if the evaluated transmission station is made to transmit a sounding signal, placing each transmission station into a group, based on the evaluation, until all of the transmission links are mapped or until the maximum number of sounding bands are used, and, if all of the transmission links are not mapped, repeating the sorting, evaluating, and placing for each time symbol until all of the transmission links are mapped.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: October 29, 2013
    Assignee: Fujitsu Limited
    Inventors: Dorin Viorel, Wei-Peng Chen, Jonathan Agre, Chenxi Zhu
  • Patent number: 8559388
    Abstract: A method for implementing a self organizing network includes establishing a connection between a femto base station and a network access device operable to provide the femto base station with Internet access. The method also includes establishing a backhaul connection between the femto base station and a wireless service provider's network via the Internet. The method further includes establishing a wireless connection with one or more endpoints via a radio frequency (RF) channel. The method additionally includes transmitting, from the femto base station to the wireless service provider's network, neighborhood RF interference information via the backhaul connection. The method also includes receiving RF channel re-provisioning information from the wireless service provider's network and re-provisioning the RF channel. The method further includes participating in a hand-off procedure to hand-off the endpoints to the re-provisioned RF channel.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: October 15, 2013
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Dorin Viorel, Changqin Huo, Masato Okuda, Wei-Peng Chen, Chenxi Zhu
  • Publication number: 20130257372
    Abstract: Some embodiments determine, for electric vehicles within an electricity distribution network, optimal recharging schedules based on customer requirements. Some embodiments adjust the optimal recharging schedules to ensure that components of the electricity distribution network operate within their rated limits based on a node sensitivity approach.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 3, 2013
    Applicant: Fujitsu Limited
    Inventors: Wei-Peng Chen, Mostafa Majidpour
  • Publication number: 20130242825
    Abstract: In an example embodiment, a system may include a base station configured to broadcast a group scheduling message configured to be received at a terminal group that includes a plurality of terminals. The base station may further be configured to receive group transmissions transmitted at the plurality of terminals in a scheduled sequence in response to the group scheduling message. The base station may further be configured to broadcast a group reply in response to receiving the group transmission.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 19, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Golnaz FARHADI, Wei-Peng CHEN
  • Publication number: 20130166116
    Abstract: In accordance with some embodiments of the present disclosure, a method may include recording trip information associated with a vehicle, the trip information including parameters associated with previous trips taken by the vehicle.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 27, 2013
    Applicant: FUJITSU LIMITED
    Inventor: Wei-Peng Chen
  • Publication number: 20130154853
    Abstract: According to an aspect of the invention, a traffic information communication system includes a receiver and a transmitter. The receiver may be configured to receive a message relating to traffic conditions along a thoroughfare from a communication node. The transmitter may be communicatively coupled to the receiver and may be configured to rebroadcast the message within a predetermined amount of time after receiving the message. The traffic information communication system may be implemented in a vehicle traveling along the thoroughfare.
    Type: Application
    Filed: December 19, 2011
    Publication date: June 20, 2013
    Applicant: FUJITSU LIMITED
    Inventor: Wei-Peng CHEN
  • Patent number: 8467823
    Abstract: A method of communicating between a base band unit and a plurality of remote radio heads includes the steps of receiving a first signal through an antenna in a first remote radio head, transmitting the first signal to a second remote radio head through a digital radio interface, receiving a second signal through an antenna in the second remote radio head, compensating for a delay accrued in the first signal, adding the first signal and the second signal to obtain a resulting signal, and transmitting the resulting signal to a base band unit through a digital radio interface.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: June 18, 2013
    Assignee: Fujitsu Limited
    Inventors: Hiroyuki Seki, Hiroyuki Kiyanagi, Wei-Peng Chen, Chenxi Zhu, Nien-Tai Kai Mao
  • Patent number: 8446852
    Abstract: A method for selecting an access link in a multi-hop relay network includes determining a first effective spectrum efficiency value of a first connection between an endpoint and a base station. The first effective spectrum efficiency value is indicative of the spectrum efficiency from the endpoint to the base station when the first connection is used. The method also includes determining a second effective spectrum efficiency value of a second connection between the endpoint and the base station via a relay station. The second effective spectrum efficiency value is indicative of the spectrum efficiency from the endpoint to the base station when the second connection is used. The method also includes comparing the first and second effective spectrum efficiency values. The method further includes establishing a connection using one of the first or second connections based on the comparison of the first and second effective spectrum efficiency values.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: May 21, 2013
    Assignee: Fujitsu Limited
    Inventors: Chenxi Zhu, Hui Zeng, Wei-Peng Chen
  • Patent number: 8446860
    Abstract: According to an example embodiment, a method for wireless communication includes establishing a communication session between a base station associated with a wireless network and a network access device associated with a separate communications network. The network access device provides the base station access to the communications network. The method further includes receiving location information from the network access device. The location information describes the location of the network access device. The network device receives the location information from a server on the communications network. In addition, the method includes providing a service to at least one wireless device utilizing the location information.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: May 21, 2013
    Assignee: Fujitsu Limited
    Inventors: Chenxi Zhu, Wei-Peng Chen
  • Patent number: 8411606
    Abstract: According to one embodiment, a method for wireless communication comprises providing, at a base station, a plurality of endpoints with access to a wireless network. The method also comprises the base station entering a low power mode, wherein the base station ceases to provide the plurality of endpoints with access to the wireless network while in the low power mode. In addition, the method comprises the base station transitioning to an active mode from the low power mode during a first predetermined time, wherein the first predetermined time is identified by the base station and at least one endpoint before the base station transitions to the active mode. Further, if the base station receives a request to access the wireless network from at least one endpoint after transitioning to the active mode during a second predetermined time, the method comprises the base station remaining in the active mode.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: April 2, 2013
    Assignee: Fujitsu Limited
    Inventors: Wei-Peng Chen, Chenxi Zhu, Masato Okuda, Jonathan R. Agre
  • Patent number: 8400963
    Abstract: In one embodiment, a method for wireless communication includes providing, at a base station, access to a network to a preferred endpoint during a first communication session. In addition, the method includes determining, at the base station, to treat the preferred endpoint as preferred. The method also includes causing, at the base station, at least one parameter regarding the preferred endpoint used to establish the first communication session to be stored in response to determining to treat the preferred endpoint as preferred. In addition, the method includes receiving, at the base station, a request for a second communication session after the first communication session has ended. Further, the method includes determining, at the base station, that the request for the second communication session was sent by the preferred endpoint.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: March 19, 2013
    Assignee: Fujitsu Limited
    Inventors: Wei-Peng Chen, Chenxi Zhu, Jonathan R. Agre
  • Patent number: 8380193
    Abstract: According to an embodiment, a method is provided. The method includes identifying a femto base station of a wireless network as the home femto base station for a mobile station served by the wireless network. The connection parameters for the home femto base station may be stored at the mobile station. A home macro base station may be identified and associated with the home femto base station. Identification information for the home macro base station may be stored at the mobile station. Association information of the home femto base station with the home macro base station may be stored at the mobile station.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: February 19, 2013
    Assignee: Fujitsu Limited
    Inventors: Wei-Peng Chen, Chenxi Zhu, Yuji Kojima
  • Publication number: 20130028113
    Abstract: A method for fabricating read-only copy protected optical medium comprising: a substrate (54) having information pits (18) and lands (16) thereon and a light sensitive material (56) placed at a position capable of altering the data reading during copying of the optical medium but permitting read of the underlying data in the reading of the optical medium.
    Type: Application
    Filed: January 12, 2011
    Publication date: January 31, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Chenxi Zhu, Wei-Peng Chen
  • Publication number: 20130023277
    Abstract: A method for allocating bandwidth in a wireless network includes communicating wirelessly with at least one endpoint using a first frequency bandwidth. The method may also include receiving a measurement of a signal quality from the at least one endpoint and communicating an indication of the signal quality to a server. The method may further include receiving from the server a second frequency bandwidth based on the signal quality and a cost per unit of frequency bandwidth. The second frequency bandwidth may indicate an amount of frequency bandwidth to use in communicating wirelessly with the at least one endpoint. The method may additionally include communicating wirelessly with the at least one endpoint using the second frequency bandwidth.
    Type: Application
    Filed: January 12, 2011
    Publication date: January 24, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Chenxi Zhu, Wei-Peng Chen
  • Publication number: 20130005375
    Abstract: A method for implementing coordinated resource allocations includes establishing one or more wireless connections using a first channel with one or more endpoints via at least one remote transceiver. The method further includes determining a schedule that assigns a first number of resource blocks to each endpoint of the one or more endpoints. The method additionally includes receiving one or more neighboring transceiver schedules determined by one or more neighboring base stations. Each neighboring transceiver schedule indicating a different number of resource blocks assigned to each neighboring remote transceiver connected to the respective neighboring base station. The method also includes determining one or more time slots and subcarriers within the first channel to assign to each resource block for each endpoint of the one or more endpoints based on the schedule and the neighboring transceiver schedules.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Applicant: Fujitsu Limted
    Inventor: Wei-Peng Chen
  • Publication number: 20120316687
    Abstract: In accordance with a particular embodiment, a method for managing power consumption includes receiving power rate information and receiving power usage information. The method also includes receiving a plurality of personal preference profiles. Each personal preference profile of the plurality of personal preference profiles is associated with a different user of a plurality of users and includes at least one preferred state associated with a respective user. The method further includes detecting a presence of at least one user within a room. The method additionally includes adjusting at least one state associated with the room based on the at least one preferred state associated with the at least one user within the room, the power rate information, and the power usage information.
    Type: Application
    Filed: February 14, 2012
    Publication date: December 13, 2012
    Applicant: Fujitsu Limited
    Inventors: Wei-Peng Chen, Koji Yoshimura, Ryusuke Masuoka, Sung Lee
  • Publication number: 20120316695
    Abstract: In accordance with particular embodiments, a method for managing power consumption includes receiving from a plurality of electricity relays an indication of a current state associated with each of the plurality of electricity relays. The method also includes receiving a power rate associated with a cost of power. The method further includes determining a threshold state based on the power rate and the current state associated with each of the plurality of electricity relays. The method additionally includes transmitting one or more control requests to one or more of the plurality of electricity relays. A first control request transmitted to a first electricity relay is based on the threshold state and a first current state associated with the first electricity relay.
    Type: Application
    Filed: October 17, 2011
    Publication date: December 13, 2012
    Applicant: Fujitsu Limited
    Inventors: Wei-Peng Chen, Koji Yoshimura, Ryusuke Masuoka, Sung Lee