Patents by Inventor Myoung Chul Choi

Myoung Chul Choi 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).

  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER DATA CALL
    Publication number: 20120238282
    Abstract: A system, method, and computer readable medium for a data call setup comprises receiving an origination message by a radio call control (RCC) and by a main call control (MCC), receiving an assignment request message by the MCC and by the RCC, and receiving a traffic channel assignment message by a channel element control (CEC) and by the MCC.
    Type: Application
    Filed: May 31, 2012
    Publication date: September 20, 2012
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER
    Publication number: 20120220306
    Abstract: A combined base station controller (12) and base transceiver station (14) comprises a selector distribution unit (SDU, 20), a main call control (MCC, 22) coupled to the SDU, a radio call control (RCC, 18) coupled to the MCC, and a channel element control (CEC, 16) coupled to the RCC.
    Type: Application
    Filed: May 3, 2012
    Publication date: August 30, 2012
    Applicant: AIRWALK COMMUNICATIONS, INC.
    Inventors: Wonjun Cho, Jeom Sik Kim, Myoung Chul Choi, Hyunyung Cha, Jefferson K. Kim, Hyeon Bong Park, Jae Hong Park, Seong Ju Seo, Jae Kyu Yoo, Jake J. Han
  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER OPTIMIZED ASSIGNMENT OF FRAME OFFSETS
    Publication number: 20120196597
    Abstract: A system, method, and computer readable medium for managing an availability of a call agent, comprising acquiring a session identification by a basestation (BS) and a call agent (CA), wherein the BS is coupled to the CA, if the CA's state is changed from an active state to a standby state, requesting a new connection with the BS; and after the new connection is established between the CA and the BS, sending another session identification from the CA to the BS.
    Type: Application
    Filed: November 30, 2011
    Publication date: August 2, 2012
    Applicant: AIRWALK COMMUNICATIONS, INC.
    Inventors: Myoung Chul Choi, Jae Hong Park, Hyunyung Cha
  • Combined base transceiver station and base station controller data call
    Patent number: 8208935
    Abstract: A system, method, and computer readable medium for a data call setup comprises receiving an origination message by a radio call control (RCC) and by a main call control (MCC), receiving an assignment request message by the MCC and by the RCC, and receiving a traffic channel assignment message by a channel element control (CEC) and by the MCC.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: June 26, 2012
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Combined base transceiver station and base station controller
    Patent number: 8175647
    Abstract: A combined base station controller (12) and base transceiver station (14) comprises a selector distribution unit (SDU, 20), a main call control (MCC, 22) coupled to the SDU, a radio call control (RCC, 18) coupled to the MCC, and a channel element control (CEC, 16) coupled to the RCC.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: May 8, 2012
    Assignee: Airwalk Communications, Inc.
    Inventors: Wonjun Cho, Jeom Sik Kim, Myoung Chul Choi, Hyunyung Cha, Jefferson K. Kim, Hyeon Bong Park, Jae Hong Park, Seong Ju Seo, Jae Kyu Yoo, Jake J. Han
  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER
    Publication number: 20120015663
    Abstract: A combined base station controller (12) and base transceiver station (14) comprises a selector distribution unit (SDU, 20), a main call control (MCC, 22) coupled to the SDU, a radio call control (RCC, 18) coupled to the MCC, and a channel element control (CEC, 16) coupled to the RCC.
    Type: Application
    Filed: September 27, 2011
    Publication date: January 19, 2012
    Applicant: AIRWALK COMMUNICATIONS, INC.
    Inventors: Wonjun Cho, Jeom Sik Kim, Myoung Chul Choi, Hyunyung Cha, Jefferson K. Kim, Hyeon Bong Park, Jae Hong Park, Seong Ju Seo, Jae Kyu Yoo, Jake J. Han
  • Combined base transceiver station and base station controller optimized assignment of frame offsets
    Patent number: 8090370
    Abstract: A system, method, and computer readable medium for managing an availability of a call agent, comprising acquiring a session identification by a basestation (BS) and a call agent (CA), wherein the BS is coupled to the CA, if the CA's state is changed from an active state to a standby state, requesting a new connection with the BS; and after the new connection is established between the CA and the BS, sending another session identification from the CA to the BS.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: January 3, 2012
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Jae Hong Park, Hyunyung Cha
  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER HANDOFF
    Publication number: 20110281588
    Abstract: A system, method, and computer readable medium for a softer handoff comprises receiving a Pilot Strength Measurement Message (PSMM) to request a handoff by a selector distribution unit (SDU), receiving a softer handoff request message by a channel element control (CEC), receiving a softer handoff request message by a radio call control (RCC), receiving a traffic channel assignment message by the CEC, and receiving an indication of an addition of a new sector for the softer handoff by the SDU.
    Type: Application
    Filed: July 25, 2011
    Publication date: November 17, 2011
    Applicant: AIRWALK COMMUNICATIONS, INC.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Combined base transceiver station and base station controller
    Patent number: 8060143
    Abstract: A combined base station controller (12) and base transceiver station (14) comprises a selector distribution unit (SDU, 20), a main call control (MCC, 22) coupled to the SDU, a radio call control (RCC, 18) coupled to the MCC, and a channel element control (CEC, 16) coupled to the RCC.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: November 15, 2011
    Assignee: Airwalk Communications, Inc.
    Inventors: Wonjun Cho, Jeom Sik Kim, Myoung Chul Choi, Hyunyung Cha, Jefferson K. Kim, Hyeon Bong Park, Jae Hong Park, Seong Ju Seo, Jae Kyu Yoo, Jake J. Han
  • Combined base transceiver station and base station controller handoff
    Patent number: 8019348
    Abstract: A system, method, and computer readable medium for a softer handoff comprises receiving a Pilot Strength Measurement Message (PSMM) to request a handoff by a selector distribution unit (SDU), receiving a softer handoff request message by a channel element control (CEC), receiving a softer handoff request message by a radio call control (RCC), receiving a traffic channel assignment message by the CEC, and receiving an indication of an addition of a new sector for the softer handoff by the SDU.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: September 13, 2011
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER DATA CALL
    Publication number: 20110028155
    Abstract: A system, method, and computer readable medium for a data call setup comprises receiving an origination message by a radio call control (RCC) and by a main call control (MCC), receiving an assignment request message by the MCC and by the RCC, and receiving a traffic channel assignment message by a channel element control (CEC) and by the MCC.
    Type: Application
    Filed: October 12, 2010
    Publication date: February 3, 2011
    Applicant: AIRWALK COMMUNICATIONS, INC.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Combined base transceiver station and base station controller data call
    Patent number: 7835752
    Abstract: A system, method, and computer readable medium for a data call setup comprises receiving an origination message by a radio call control (RCC) and by a main call control (MCC), receiving an assignment request message by the MCC and by the RCC, and receiving a traffic channel assignment message by a channel element control (CEC) and by the MCC.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: November 16, 2010
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER CALL ORIGINATION AND TERMINATION
    Publication number: 20100087201
    Abstract: A system, method, and computer readable medium for a mobile origination comprises receiving an origination request message by a main call control (MCC) from a radio call control (RCC), receiving an assignment request message by the RCC from the MCC, receiving a traffic channel assign message by a channel element control (CEC) and by the MCC from the RCC, receiving a call setup message by a selector distribution unit (SDU) from the MCC, and receiving a link active message by the CEC from the SDU.
    Type: Application
    Filed: December 8, 2009
    Publication date: April 8, 2010
    Applicant: AIRWALK COMMUNICATIONS, INC.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Combined base transceiver station and base station controller call origination and termination
    Patent number: 7647054
    Abstract: A system, method, and computer readable medium for a mobile origination comprises receiving an origination request message by a main call control (MCC) from a radio call control (RCC), receiving an assignment request message by the RCC from the MCC, receiving a traffic channel assign message by a channel element control (CEC) and by the MCC from the RCC, receiving a call setup message by a selector distribution unit (SDU) from the MCC, and receiving a link active message by the CEC from the SDU.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: January 12, 2010
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • COMBINED BASE TRANSCEIVER STATION AND BASE STATION CONTROLLER DATA CALL
    Publication number: 20090163219
    Abstract: A system, method, and computer readable medium for a data call setup comprises receiving an origination message by a radio call control (RCC) and by a main call control (MCC), receiving an assignment request message by the MCC and by the RCC, and receiving a traffic channel assignment message by a channel element control (CEC) and by the MCC.
    Type: Application
    Filed: March 4, 2009
    Publication date: June 25, 2009
    Applicant: AirWalk Communications, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Combined base transceiver station and base station controller data call
    Patent number: 7509128
    Abstract: A system, method, and computer readable medium for a data call setup comprises receiving an origination message by a radio call control (RCC) and by a main call control (MCC), receiving an assignment request message by the MCC and by the RCC, and receiving a traffic channel assignment message by a channel element control (CEC) and by the MCC.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: March 24, 2009
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo