Utstarcom, Incorporated

Hyundai Electronics Industries Co. Ltd.

Pantech & Curitel Communications, Inc.

Yamazaki Holdings, LLC

Pantech Co., Ltd.

Curitell Communications Inc.

Utstarcom Korea Limited (c/o Utstarcom, Inc.)

Utstarcom Korea Limited (c/o of Utstarcom, Inc.)

Jeong-Hwa Ye

Jae-Hong Park

Chong-Won Lee

Woon-Hee Hwang

Shin-Hyun Yang

Yeon-Sang Koo

Yu-Ro Lee

Ho-Geun Lee

A method and apparatus for interfacing a synchronous core network with an asynchronous radio network in a next-generation mobile telecommunications system is disclosed. The method includes: a) selecting a function necessary to map a synchronous message to an asynchronous message; b) determining whether the synchronous message is to be transmitted to the mobile station or not; c) storing information necessary to map the synchronous message to the asynchronous message if the synchronous message is to transmitted to the mobile station, d) mapping parameters in the synchronous message to those in the asynchronous message, thereby generating the asynchronous message; e) discarding the message not to be transmitted to the mobile station after storing parameters included in the message not to be transmitted onto a predetermined device; and f) transmitting the asynchronous message to the radio resource controller.

Method and apparatus for interfacing synchronous core network with asynchronous radio network

A method, apparatus and a computer readable record media storing instructions for executing the same method for interfacing among a hybrid type synchronous or asynchronous terminal to a core network in a next generation mobile telecommunications system. The hybrid type synchronous or asynchronous radio network determines the operating type of the core network when the core network has a connection thereto, and sends the determined core network operating type information and information related to the core network to the hybrid type synchronous or asynchronous terminal, thereby allowing the synchronous or asynchronous terminal to smoothly perform a data interfacing operation with the core network.

Method and apparatus for interfacing among mobile terminal, base station and core network in mobile telecommunications system

A method and apparatus for interfacing a synchronous core network with an asynchronous radio network in a next-generation mobile telecommunications system is disclosed. The method for mapping a message in order to interface a synchronous core network with an asynchronous radio network, the radio network having a base station (BS), the base station having a radio resource controller, a radio link controller, a medium access controller and a physical controller, the method comprising the steps of: a) selecting a function necessary to map a synchronous message to an asynchronous message; b) determining whether the synchronous message is to be transmitted to the mobile station or not; c) storing information necessary to map the synchronous message to the asynchronous message if the synchronous message is to transmitted to the mobile station, d) mapping parameters in the synchronous message to those in the asynchronous message, thereby generating the asynchronous message; e) discarding the message not to be transmitted to the mobile station after storing parameters included in the message not to be transmitted onto a predetermined device; and f) transmitting the asynchronous message to the radio resource controller.

A method for retransmitting data between two sides including a reception side and a transmission side in a mobile communication system including one or more mobile stations and one or more radio networks includes the steps of: by the reception side, storing data received from the transmission side in a first storage unit; as a result of an error-checking procedure, if the data are erroneous, requesting the transmission side to retransmit the data; by the transmission side, transmitting to the reception side a first information related to retransmission and retransmitting the requested data; by a combination unit included in the reception side, combining the retransmitted data with the data stored in the first storage unit; if the combined data are not erroneous, clearing the data and the retransmitted data from the first storage unit and transmitting the combined data to a first upper layer included in the reception side; and in response to an ACK signal from the reception side representing that normal data are received, clearing by the transmission side the retransmitted data from a second storage unit.

Method for retransmitting data efficiently in mobile communication system

A method for processing a call in an asynchronous mobile communication system including an asynchronous mobile station, an asynchronous radio network, wherein a synchronous core network is interlocked, includes the steps of: setting up the call in case a calling call message is generated in the mobile station; establishing a channel between the asynchronous mobile station and the asynchronous radio network; handling basic information for assigning a radio resource; performing a cipher establishment; establishing the radio resource; performing a configuration for a service; and transmitting a phone call stand-by message to a user.

Method for processing handoff and call in asynchronous mobile communication system

A method for cell selection of an asynchronous mobile station in an asynchronous mobile communication system including an asynchronous mobile station, an asynchronous radio network, in case the asynchronous mobile communication system is interlocked with a core network, includes the steps of: storing information related to the core network transmitted from the asynchronous radio network in a memory or a user subscriber identity module (USIM) of the asynchronous mobile station before power-off of the asynchronous mobile station of the asynchronous mobile station; at power-on of the asynchronous mobile station, determining what type of the core network is interlocked by analyzing the information of the core network; beginning any one of a global system for mobile communication (GSM) cell procedure and an American national standards institute (ANSI) cell procedure; finding a cell suitable for providing a service, based on a type of the core network that was determined; and performing a location registration of the found cell.

Method for cell selection of asynchronous mobile station in asynchronous mobile communication system

A method for processing a synchronous message in an asynchronous mobile communication system including an asynchronous mobile station and an asynchronous radio network, comprises the steps of: when a synchronous core network is interlocked with the asynchronous radio network, generating a system information block based on a header information provided from the synchronous core network; formatting the generated information block into a system information message; and transmitting the system information message to the asynchronous mobile station via a channel.

Method for processing synchronous message in asynchronous mobile communication system

A method for The method for transmitting a message between a mobile communication system and at least a core network, the mobile communication system having a mobile station and a radio network, the method comprising the steps of: a) at the radio network, discriminating an operating type of a core network(s) coupled thereto; b) at the radio network, generating and transmitting a system information message having core network operating type information and information related to the core network; c) if two or more core networks are coupled to the asynchronous mobile communication system, at the mobile station, selecting one core network to be communicated with, based on the system information message; d) operating a call control entity and a mobility management entity according to an operating type of the selected core network; and e) communicating messages between the mobile station and the radio network, the message having a different data format according to the operating type of the selected core network.

Method for interfacing asynchronous mobile communication system with at least one core network

A method for discriminating and interworking with a currently established network domain in an international mobile telecommunication-2000 (LMT-2000) system including a mobile station (MS), a radio network and one or more network domains includes the steps of: by the radio network, analyzing information about a network domain that is currently coupled thereto; inserting a network domain discriminator into a synchronous channel message; transmitting the synchronous channel message to the mobile station via a channel for communication; by the mobile station, determining a type of the network domain; and by the mobile station, interworking with the determined network domain via the radio network.

Method for discriminating network domain and interworking with the same in IMT-2000 system

A method for repeating data transmission between a reception side and a transmission side in a radio communication system wherein the transmission side includes a first upper layer and a first layerand the reception side includes a second upper layer and a second layerincludes the steps of: by the transmission side, measuring a radio environment; determining to perform repeated transmission or normal transmission based on a measurement result; and if it is determined to perform the repeated transmission, by the first upper layer of the transmission side, performing a first data processing; by the reception side, receiving data from the transmission side and determining if the repeated transmission or the normal transmission was performed; and if the repeated transmission was performed, by the second layerof the reception side, performing a second data processing.

Method for repeating data transmission in mobile communication system

A method and apparatus for interfacing a synchronous core network with an asynchronous radio network in a next-generation mobile telecommunications system is disclosed. The method for mapping a message in order to interface a synchronous core network with an asynchronous radio network, the radio network having a base station (BS), the base station having a radio resource controller, a radio link controller, a medium access controller and a physical controller, the method comprising the steps of: a) selecting a function necessary to map a synchronous message to an asynchronous message; b) determining whether the synchronous message is to be transmitted to the mobile station or not; c) storing information necessary to map the synchronous message to the asynchronous message if the synchronous message is to be transmitted to the mobile station; d) mapping parameters in the synchronous message to those in the asynchronous message, thereby generating the asynchronous message; e) discarding the message not to be transmitted to the mobile station after storing parameters included in the message not to be transmitted onto a predetermined device; and f) transmitting the asynchronous message to the radio resource controller.

Growing community of inventors

Ichon-shi, South Korea

Jeong-Hwa Ye