Patents by Inventor Muhammad Islam

Muhammad Islam 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: 9472396
    Abstract: A plasma-based processing method includes depositing a transition metal dichalcogenide (TMDC) material onto a substrate. The TMDC material is plasma treated in an oxygen containing ambient to oxidize the TMDC material to form oxidized dielectric TMDC material. The oxidized dielectric TMDC material has a higher electrical resistivity as compared an electrical resistivity of the TMDC material before the plasma treating, typically >103 times greater.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: October 18, 2016
    Assignee: University of Central Florida Research Foundation, Inc.
    Inventors: Saiful Khondaker, Muhammad Islam, Laurene Tetard
  • Publication number: 20150294875
    Abstract: A plasma-based processing method includes depositing a transition metal dichalcogenide (TMDC) material onto a substrate. The TMDC material is plasma treated in an oxygen containing ambient to oxidize the TMDC material to form oxidized dielectric TMDC material. The oxidized dielectric TMDC material has a higher electrical resistivity as compared an electrical resistivity of the TMDC material before the plasma treating, typically >103 times greater.
    Type: Application
    Filed: April 15, 2015
    Publication date: October 15, 2015
    Inventors: SAIFUL KHONDAKER, MUHAMMAD ISLAM, LAURENE TETARD
  • Publication number: 20130128787
    Abstract: A method and network element to control use of a transition indication message by a user equipment, the method including an inhibit transition indication in a configuration message; and sending the configuration message with the inhibit transition indication to the user equipment. Also, a method and user equipment for sending a transition indication, the method setting a timer according to an inhibit transition indication received from a network element; detecting that a data transfer is complete; and sending the transition indication upon detecting that the timer is not running.
    Type: Application
    Filed: August 13, 2012
    Publication date: May 23, 2013
    Applicant: Research In Motion Limited
    Inventors: Gordon Young, Takashi Suzuki, Claude Arzelier, Muhammad Islam, Jeffrey Wirtanen
  • Publication number: 20080064417
    Abstract: Apparatus, and an associated method for facilitating paging of an access terminal operable in a radio communication system. A plurality of random numbers are generated. And, for each of the random numbers, a hash value is created by applying the random number to a hash function. The hash values identify bit locations of a paging message. When the paging message is formed, bit locations associated with the hash values are populated with bit values are populated with bit values that identify whether the access terminal is being paged. And, the access terminal checks the bit values at the bit locations associated with the hash values to determine whether the access terminal is being paged.
    Type: Application
    Filed: September 11, 2007
    Publication date: March 13, 2008
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: WILLIAM WILLEY, MUHAMMAD ISLAM
  • Publication number: 20070218925
    Abstract: A method and apparatus for automatically sending a data message from a mobile device to at least one recipient during or soon after an emergency voice call, the method having the steps of: determining whether the data message can be sent over the network during the emergency voice call, and if yes, creating and sending the data message; and if no, waiting until either the mobile device connects to a new network, wherein the method proceeds back to said determining step, or until the voice call has ended and then creating and sending the data message.
    Type: Application
    Filed: March 17, 2006
    Publication date: September 20, 2007
    Inventors: Muhammad Islam, Jean-Philippe Cormier, Farhad Ahmed
  • Publication number: 20070218911
    Abstract: A method and apparatus to restore always on connectivity to user equipment, the method having the steps of: monitoring whether the user equipment has transitioned to a network that supports concurrent voice and data; performing, upon the monitoring step detecting the transition, a routing area update; checking whether the user equipment was in a voice call at the time of the transition, and if yes, sending a data packet to the network.
    Type: Application
    Filed: March 17, 2006
    Publication date: September 20, 2007
    Inventors: Muhammad Islam, Jeffrey Wirtanen, Jean-Philippe Cormier, Dimitrios Prodanos
  • Publication number: 20070135080
    Abstract: A method and apparatus for improved battery performance of user equipment in a wireless network having multiple radio resource control (RRC) states, the method comprising the steps of: monitoring, at the user equipment, application data exchange; determining when no application on the user equipment is expected to exchange data; and initiating, from the user equipment, a transition to a less battery demanding radio resource control state or mode.
    Type: Application
    Filed: December 14, 2005
    Publication date: June 14, 2007
    Inventors: Muhammad Islam, Jeffery Wirtanen
  • Publication number: 20070121566
    Abstract: A method and apparatus of optimizing transitioning between EVDO and CDMA 1X systems in a hybrid access terminal, the method having the steps of preventing a reconnect data call from being sent from the hybrid access terminal. The preventing step including checking whether a transition between an EVDO and a CDMA 1X system is successful; and if not blocking the data call, and/or checking whether an EVDO received signal strength indication is greater than or equal to a receiver sensitivity on the hybrid access terminal; and if yes, allowing the hybrid access terminal to connect to the EVDO system, and/or delaying a connection timer for connecting to the EVDO system and/or applying fast dormancy to the hybrid access terminal in an EVDO state.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 31, 2007
    Inventors: Shahid Chaudry, Grace Yeung, Asif Hossain, Muhammad Islam, Kylie Pratt
  • Publication number: 20070104161
    Abstract: Method, and associated apparatus, for operating a hybrid access terminal operable in a CDMA 1x/EVDO hybrid communication session system. The hybrid access terminal is operable to communicate pursuant to an EVDO communication session and to a PPP communication session. The opening and closing of the communication sessions are independent of one another. Opening of one session does not require opening of another of the sessions. And, closing of one of the sessions does not require closing of the other of the sessions.
    Type: Application
    Filed: November 10, 2005
    Publication date: May 10, 2007
    Inventors: Asif Hossain, Shailesh Kaul, Muhammad Islam, Suresh Periyalwar, Grace Yeung, Shahid Chaudry
  • Publication number: 20070098147
    Abstract: A method and apparatus of optimizing transitioning between EVDO and CDMA 1X systems in a hybrid access terminal, the method having the steps of: detecting an EVDO received signal at the hybrid access terminal; and delaying a connection timer at the hybrid access terminal for connecting to the EVDO system. The apparatus being a hybrid access terminal adapted for optimizing transitioning between EVDO and CDMA 1X systems, the hybrid access terminal having a radio subsystem adapted to communicate with a network; a radio processor having a digital signal processor and adapted to interact with the radio subsystem; memory; a user interface; a processor adapted to run user applications and interact with the memory, the radio and the user interface and adapted to run applications, the hybrid access terminal characterized by having means for: detecting an EVDO received signal at the hybrid access terminal; and delaying a connection timer at the hybrid access terminal for connecting to the EVDO system.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 3, 2007
    Inventors: Shahid Chaudry, Grace Yeung, Asif Hossain, Muhammad Islam, Kylie Pratt
  • Publication number: 20070097923
    Abstract: A method and apparatus of optimizing transitioning between EVDO and CDMA 1X systems in a hybrid access terminal, the method having the steps of: preventing a reconnect data call from being sent from the hybrid access terminal. The preventing step including checking whether a transition between an EVDO and a CDMA 1X system is successful; and if not blocking the data call, and/or checking whether an EVDO received signal strength indication is greater than or equal to a receiver sensitivity on the hybrid access terminal; and if yes, allowing the hybrid access terminal to connect to the EVDO system, and/or delaying a connection timer for connecting to the EVDO system and/or applying fast dormancy to the hybrid access terminal in an EVDO state.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 3, 2007
    Inventors: Shahid Chaudry, Grace Yeung, Asif Hossain, Muhammad Islam, Kylie Pratt
  • Publication number: 20070076678
    Abstract: A forward link design is provided employing CDMA (code division multiple access) technologies in which time division multiplexing is employed between data and control information on the forward link to service multiple users per slot. Another forward link design employing CDMA (code division multiple access) technologies is provided in which code division multiplexing between data and control information is employed on the forward link to service multiple users per slot, which is preferably backwards compatible with legacy standards such as IS2000A. A reverse link design is also provided.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 5, 2007
    Applicant: Nortel Networks Limited
    Inventors: Xixian Chen, Neil McGowan, Muhammad Islam, Ning Guo, Hong Ren, Litong Li
  • Publication number: 20070049354
    Abstract: Methods and apparatus for expeditiously releasing network resources for a mobile station based on low battery and lost signal conditions are disclosed. The wireless network (104) receives a power down warning message from the mobile station (102) indicative of a low battery condition. The wireless network (104) then identifies whether a lost signal condition exists with the mobile station (102). In response to receiving the power down warning message and subsequently identifying the lost signal condition, the wireless network (104) causes network resources for the mobile station to be released. The wireless network (104) infers that the mobile station (102) has powered down due to low battery without enough time to send a power down registration to the wireless network (104).
    Type: Application
    Filed: October 27, 2006
    Publication date: March 1, 2007
    Inventors: Xin Jin, Muhammad Islam, Wen Zhao
  • Publication number: 20070016775
    Abstract: In one embodiment, a scheme is disclosed for resolving authentication of a mobile node that negotiates with a packet data serving node (PDSN) for establishing a Simple IP (SIP) connection after encountering a failure in Mobile IP (MIP) service mode.
    Type: Application
    Filed: July 18, 2005
    Publication date: January 18, 2007
    Inventors: Muhammad Islam, Jin Kim, Shahid Chaudry
  • Publication number: 20060209674
    Abstract: A forward link design is provided employing CDMA (code division multiple access) technologies in which time division multiplexing is employed between data and control information on the forward link to service multiple users per slot. Another forward link design employing CDMA (code division multiple access) technologies is provided in which code division multiplexing between data and control information is employed on the forward link to service multiple users per slot, which is preferably backwards compatible with legacy standards such as IS2000A. A reverse link design is also provided.
    Type: Application
    Filed: May 1, 2006
    Publication date: September 21, 2006
    Inventors: Xixian Chen, Neil McGowan, Muhammad Islam, Ning Guo, Hong Ren, Lltong Li
  • Publication number: 20060172720
    Abstract: A method and apparatus for the selection of an emergency number in a mobile station having a geographic indicator, the method comprising the steps of and the apparatus characterized by means for: determining whether a user is attempting to reach an emergency service provider; and if the user is attempting to reach an emergency service provider, connecting to a network if the mobile station is not already connected to a network; looking up an emergency dial string in a look-up table based on the geographic indicator and the network connected to and the underlying service; and sending the emergency dial string.
    Type: Application
    Filed: February 3, 2005
    Publication date: August 3, 2006
    Inventors: Muhammad Islam, Asif Hossain
  • Publication number: 20060114821
    Abstract: A method and system for improved buffering during a flow control event, the system comprising: a mobile station having a mobile timer; a radio network communicating wirelessly with the mobile station and including: a base station; and a packet control function (PCF) capable of interrupting the flow of data to the wireless device during the flow control event; a packet data serving node (PDSN) communicating with the PCF and having a buffer to store data received for the mobile station during the flow control event, the buffer having a buffer timer; and a push function communicating with the PDSN and having a retry timer to indicate when to resend an unacknowledged packet; wherein the system coordinates the buffer timer with either the mobile timer or the retry timer to eliminate redundant messages.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 1, 2006
    Inventors: William Willey, Thomas Leonard Plestid, Muhammad Islam
  • Patent number: 7009450
    Abstract: A voltage feedback (“VF”) operational amplifier (“op-amp”) that includes a circuit operable to dynamically bias pre-driver transistors at the op amp output stage. This arrangement provides a dynamic bias from a common base gain stage (302) to the pre-drivers (338, 339) of the output stage (303) so that higher slew rate is achieved with minimal discontinuity in the signal.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: March 7, 2006
    Assignee: Texas Instruments Incorporated
    Inventors: Charles Parkhurst, Muhammad Islam
  • Publication number: 20060002397
    Abstract: One illustrative method of controlling wireless network resources for data sessions involves the steps of identifying IP address usage for mobile stations operating in a wireless communication network and causing a data inactivity timer of a data session for a mobile station to be set to an initial value that depends on the IP address usage. The data inactivity timer is set to a relatively large value when the IP address usage is low, but to a relatively small value when the IP address usage is high in order to expeditiously release underutilized network resources. The data session may be Point-to-Point Protocol (PPP) session for which an IP address is dynamically-assigned to the mobile station.
    Type: Application
    Filed: June 30, 2004
    Publication date: January 5, 2006
    Inventors: Hao Xue, Muhammad Islam
  • Publication number: 20050255893
    Abstract: Methods and apparatus for expeditiously releasing network resources for a mobile station based on low battery and lost signal conditions are disclosed. The wireless network (104) receives a power down warning message from the mobile station (102) indicative of a low battery condition. The wireless network (104) then identifies whether a lost signal condition exists with the mobile station (102). In response to receiving the power down warning message and subsequently identifying the lost signal condition, the wireless network (104) causes network resources for the mobile station to be released. The wireless network (104) infers that the mobile station (102) has powered down due to low battery without enough time to send a power down registration to the wireless network (104).
    Type: Application
    Filed: May 14, 2004
    Publication date: November 17, 2005
    Inventors: Xin Jin, Muhammad Islam, Wen Zhao