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).

  • Patent number: 9426784
    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: October 7, 2013
    Date of Patent: August 23, 2016
    Assignee: Open Invention Network, LLC
    Inventors: Wonjun Cho, Joem 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
  • Patent number: 8909235
    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: August 19, 2013
    Date of Patent: December 9, 2014
    Assignee: Ubeeairwalk, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Publication number: 20140302861
    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: October 7, 2013
    Publication date: October 9, 2014
    Applicant: UBEEAIRWALK, INC.
    Inventors: Wonjun Cho, Joem 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
  • Patent number: 8855695
    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: May 29, 2013
    Date of Patent: October 7, 2014
    Assignee: Ubeeairwalk, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Patent number: 8838100
    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: October 16, 2013
    Date of Patent: September 16, 2014
    Assignee: Ubeeairwalk, Inc.
    Inventors: Myoung Chul Choi, Jae Hong Park, Hyunyung Cha
  • Patent number: 8838128
    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: June 12, 2013
    Date of Patent: September 16, 2014
    Assignee: Ubeeairwalk, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Publication number: 20140038604
    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: October 16, 2013
    Publication date: February 6, 2014
    Applicant: UBEEAIRWALK, INC.
    Inventors: Myoung Chul Choi, Jae Hong Park, Hyunyung Cha
  • Publication number: 20130337817
    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: August 19, 2013
    Publication date: December 19, 2013
    Applicant: UBEEAIRWALK, INC.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Publication number: 20130316717
    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: June 12, 2013
    Publication date: November 28, 2013
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Patent number: 8571552
    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: February 27, 2013
    Date of Patent: October 29, 2013
    Assignee: Ubeeairwalk, Inc.
    Inventors: Hyunyung Cha, Myoung Chul Choi, Jae Hong Park
  • Patent number: 8560017
    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 24, 2012
    Date of Patent: October 15, 2013
    Assignee: Ubeeairwalk, 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
  • Publication number: 20130252623
    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 29, 2013
    Publication date: September 26, 2013
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Patent number: 8538438
    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: February 21, 2013
    Date of Patent: September 17, 2013
    Assignee: Ubeeairwalk, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Patent number: 8489104
    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: May 31, 2012
    Date of Patent: July 16, 2013
    Assignee: Ubeeairwalk, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Patent number: 8472964
    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: December 8, 2009
    Date of Patent: June 25, 2013
    Assignee: Ubeeairwalk, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Publication number: 20130115960
    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: December 28, 2012
    Publication date: May 9, 2013
    Applicant: AIRWALK COMMUNICATIONS, INC.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Patent number: 8423027
    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: July 25, 2011
    Date of Patent: April 16, 2013
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Hyunyung Cha, Hyeon Bong Park, Jae Kyu Yoo
  • Patent number: 8396474
    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: November 30, 2011
    Date of Patent: March 12, 2013
    Assignee: Airwalk Communications, Inc.
    Inventors: Myoung Chul Choi, Jae Hong Park, Hyunyung Cha
  • Publication number: 20130029678
    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 24, 2012
    Publication date: January 31, 2013
    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
  • Patent number: 8275416
    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: May 3, 2012
    Date of Patent: September 25, 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