KR20070050746A - Method and apparatus for session negotiation between mobile terminal and base station in mobile communication system and system - Google Patents

Abstract

The present invention relates to a method, an apparatus, and a system for efficiently performing session negotiation when a parameter to be used between a terminal and a base station is different when a session negotiation between the base station and the terminal is performed.

The present invention relates to a configuration characteristic indicating an application to be used or a stream identifier configuration characteristic identifying data of the application from data of another application among parameters negotiated by the terminal and the base station in a session negotiation process between the base station and the terminal. In addition, even if the base station designates a value different from the value requested by the terminal, a session negotiation method may be generated in which a request of the terminal may be generated in a subsequent session establishment process.

Mobile Communication System, CDMA 2000 1x EV-DO, Session, Setup, Update, Delete, Traffic Channel, Physical Channel, Negotiation

Description

METHOD AND APPARATUS FOR NEGOTIATING SESSION BETWEEN ACCESS TERMINAL AND ACCESS NETWORK IN A MOBILE COMMUNICATION SYSTEM AND SYSTEM THEREOF}

1 is a conceptual diagram of a CDMA 2000 1x EV-DO mobile communication system;

2 is a flowchart schematically illustrating a session establishment procedure between a terminal and a base station in a general CDMA 2000 1x EV-DO system;

3 is a message flow diagram for establishing a session between a base station and a terminal in a general CDMA 2000 1x EV-DO system;

4 is a flowchart illustrating an operation of a base station in a base station-driven state during a session establishment process to facilitate understanding of the present invention;

5 is an operation flowchart when a configuration instance of a protocol or an application is newly set when a session establishment process is performed by a base station according to an embodiment of the present invention;

6 is a flowchart illustrating an operation of a terminal in a base station-driven state during a session setup process with a base station for the understanding of the present invention;

7 is a flowchart illustrating a case where a configuration instance of a protocol or an application is newly set when a session establishment process is performed by a base station in a terminal according to an embodiment of the present invention;

8 is a block diagram showing the configuration of a mobile communication system to which the present invention is applied;

9 is a flowchart illustrating an operation of a base station in a base station-led state during a session establishment process according to a second aspect of the present invention;

10 is a flowchart illustrating an operation of a terminal in a base station led state during a session establishment process according to a second aspect of the present invention.

The present invention relates to a method and apparatus for negotiating a session in a wireless communication system and a system thereof, and more particularly to a method and apparatus for efficiently performing session negotiation when a parameter value for session establishment between a mobile terminal and a base station of a mobile communication system is different. And that system.

In general, a wireless communication system is a system developed for a case in which a fixed wired network cannot be connected to a terminal and used. Representative systems of such a wireless communication system include a mobile communication system, a wireless LAN, Wibro, a mobile ad hoc, and the like.

 Unlike general wireless communication, mobile communication assumes mobility of a user. The ultimate goal of mobile communication is to exchange information media at any time, anywhere, and anywhere using terminals such as mobile phones and pagers.

A representative method of such mobile communication is a cellular system. The cellular system divides a service area into a plurality of cells and installs one radio base station (cellular base station) in which a different frequency is assigned to an adjacent cell for each cell so that the same frequency can be reused. In this case, a service area by one wireless base station is called a cell, and thus, a unit service area is divided into cells and is called a cellular system.

Among the cellular systems, the first technology is an analog method such as Advance Mobile Phone System (AMPS) and Total Access Communication Services (TACS), which is called first generation mobile communication. The first generation of mobile communication systems has made it difficult to accommodate the rapidly increasing subscribers of mobile communication services, and the development of technology has increased the demand for various services as well as previous voice services. Due to these demands, digital second generation mobile communication has emerged more advanced than first generation mobile communication. Unlike the analog system, the second generation mobile communication system digitalizes an analog voice signal, performs a voice encoding, and uses a digital modulation and demodulation method, and uses a frequency of 800 MHz. The multiple access method uses a time division multiple access (TDMA) method and a code division multiple access (CDMA). In the second generation mobile communication system, voice services and low-speed data services are provided, and there are IS-95 (CDMA), IS-54 (TDMA), and GSM (Global System for Mobile communication) systems in the United States. In addition, PCS (Personal Communication Services) system is classified as a 2.5 generation mobile communication system, and uses a frequency of 1.8 ~ 2GHz band. These second generation mobile communication systems have been established for the purpose of increasing the efficiency of mobile communication systems while providing voice services to users. However, the emergence of the Internet and the demand for high-speed data services of users foreshadowed the emergence of a new wireless platform, which is a third generation mobile communication such as IMT-2000 (International Mobile Telecommunication-2000). The IMT-2000 is largely divided into a synchronous asynchronous method and a synchronous method, and a representative system of the asynchronous method is Universal Mobile Telecommunication Systems (UMTS) or Wideband CDMA (W-CDMA) of 3GPP (3rd Generation Partnership Project). The system includes CDMA 2000 1x of 3rd Generation Partnership Project 2 (3GPP2), CDMA 2000 1x Evolution Data Only (EV-DO), CDMA 2000 1x Evolution of Data and Voice (EV-DV), and the like.

The CDMA 2000 1x has a forward speed of 144kbps, which is faster than the IS-95A / IS-95B network, which provides a data transfer rate of 14.4kbps / 56kbps using the IS-95C network evolved from the existing IS-95A and IS-95B networks. Provides data service at the transmission rate. The CDMA 2000 1x EV-DO (1x EVolution Data Only) is designed to provide a forward transfer rate of about 2.4 Mbps by evolving the CDMA 2000 1x one step for large digital data transmission, and the CDMA 2000 1x EV-DO. DV complements the problem of CDMA 2000 1x EV-DO, which cannot support simultaneous voice and data services.

The CDMA 2000 1x EV-DO system is a representative mobile communication system having a channel structure for high-speed data transmission. The CDMA 2000 1x EV-DO system is a mobile communication system of the standard proposed by 3GPP2 to supplement data communication of the IS-2000 system.

In this CDMA 2000 1x EV-DO system, data communication can be divided into forward and reverse directions. In the present invention, the forward direction means the direction from the base station to the terminal, and the reverse direction means the direction from the terminal to the base station. Next, the configuration of the forward channel of the 1x EV-DO system will be described. Types of the forward channel include a pilot channel, a forward medium access control (“MAC”) channel, a forward traffic channel, a forward control channel, and the like, which are time division multiplexed and transmitted to a terminal. do. In this case, a bundle of signals transmitted by time division multiplexing is called a burst.

Among the above channels, user data packets are transmitted in the forward traffic channel, and control messages and user data packets are transmitted in the forward control channel. The forward MAC channel is used for reverse rate control and power control information transfer or designation of a forward data transmission channel.

Next, the reverse channels used in the CDMA 2000 1x EV-DO system will be described. Unlike the forward channel, the reverse channel used in the CDMA 2000 1x Ev-DO system has a channel having a different identification code for each terminal. Therefore, the reverse channels described below are channels transmitted to the base station with different identification codes for each terminal. These reverse channels include pilot channels, reverse traffic channels, access channels, data rate control ("DRC") channels, and reverse rate indicator ("RRI") channels. And so on.

Each function of the reverse channels will be described below. First, in the reverse traffic channel, user data packets are transmitted in the reverse direction as in the forward traffic channel. The data rate control channel is used to indicate the forward rate that the terminal can support, and the reverse rate indication channel is used to indicate the rate of the data channel transmitted in the reverse direction. In addition, the access channel is used when the terminal transmits a message or traffic to the base station before the traffic channel is connected. The structure and rate control operation of the CDMA 2000 1x EV-DO system and related channels will be described with reference to FIG. 1.

1 is a conceptual diagram of a CDMA 2000 1x EV-DO mobile communication system.

Reference numeral 100 denotes mobile terminals, reference numeral 110 denotes base stations (Access Network Tranceiver System: ANTSs), reference numeral 120 denotes base station controllers (Access Network Control: ANCs). The first base station 110a is shown to communicate with a plurality of terminals (110a, 110b), the first base station (110a) is connected to the first base station controller 120a, the second base station ( 110b is connected to the second base station controller 120b. In addition, each of the base station controllers 120a and 120b may be connected to two or more base stations. In FIG. 1, only one base station controller is connected to one base station for convenience of description. As such, each of the base station controllers 120a and 120b is connected to a packet data service node 130 (hereinafter referred to as a “PDSN”) that provides a packet data service, and the packet data service node 130. Is connected to the Internet network 140.

In the mobile communication system having the above configuration, each base station (110a, 110b) is able to communicate with itself, that is, transmits the packet data only to the terminal having the best packet data rate among the terminals in its area. Let's take a closer look at this. In the following description, the terminal uses a reference numeral 100 and the base station transceiver uses the reference numeral 110.

In case of transmission rate control of the forward channel, the terminal 100 measures the reception strength of the pilot channel transmitted by the base station 110, and the terminals 100 according to a predetermined fixed value based on the measured reception strength of the pilot. Determines the forward data rate to be received. Thereafter, the terminal 100 transmits DRC information corresponding to the determined forward data rate to the base station 110 through a data rate control channel. Then, the base station 110 receives the DRC information from all the terminals to be located in its area to perform communication. Then, based on the DRC information, it refers to a value indicating a value in which a terminal converts a transmission rate that can be transmitted in a forward direction by measuring a channel state only to a specific terminal having a good channel state. The correspondence relationship between the forward channel state and the DRC information may vary depending on the implementation, but generally, a fixed value is used in the terminal manufacturing process.

Unlike the IS-2000 system, the CDMA 2000 1x EV-DO system illustrated in FIG. 1 does not distinguish the terminal 100 by using a physical identifier of the terminal 100 such as an electronic serial number (ESN). Instead, the terminal 100 is identified by assigning a connection identifier called a unicast access terminal identifier (UATI) to each terminal 100. The UATI is an area under the control of a packet control function (PCF) or RNC (Radio Network Controller), that is, not shown in FIG. And a 24-bit terminal identifier part. Therefore, when the terminal 100 of the CDMA 2000 1x EV-DO system moves from the source subnet to the target subnet, a new UATI consisting of a new subnet identifier is allocated from the PCF or RNC.

The terminal 100 of the CDMA 2000 1x EV-DO system must first be assigned an UATI, which is an identifier of the terminal 100, in order to exchange data with the system. The terminal 100 assigned the UATI transmits and receives data through the physical layer channel between the terminal 100 and the base station 110, and determines and transmits a transmission type and a format in the media access control (MAC) layer. , How to maintain a call set in the connection layer or send and receive data in the idle state, and how to separate, rearrange, and retransmit higher layer data such as TCP / IP packets in the application layer For example, the base station 110 and the terminal 100 undergoes a process of negotiating protocol parameters for each layer required to exchange data with each other.

In the process of negotiating the system parameters, the terminal and the base station exchange a predefined message, and for the exchange of messages, the terminal and the base station establish a dedicated channel. Since the dedicated channel is set up before the exchange of parameters necessary for transmission, the terminal and the base station set up a dedicated traffic channel using a predetermined initial parameter and perform parameter negotiation.

In the CDMA 2000 1x EV-DO system, a data structure in the form of a configuration attribute is used to describe each of the parameters. This configuration property consists of the identifier of the parameter and the parameter value you want to use for that parameter. When the base station 110 and the terminal 100 negotiate each parameter, the base station 110 and the terminal propose a value to be used by using the corresponding setting characteristic and negotiate, and store the result of the negotiation in the form of the corresponding setting characteristic.

The process of negotiating the session configuration and defining the set of negotiated configuration characteristics as the session configuration is called a session configuration procedure. The negotiated session establishment is maintained and updated for one session, that is, during a period in which data communication between the terminal 100 and the base station 110 is possible.

In the CDMA 2000 1x EV-DO system, the base station 110 and the terminal 100 generate a configuration instance dedicated to session establishment for session establishment for each protocol and applications before starting session establishment. The generated configuration instance of a specific protocol (or application) performs an operation of negotiating configuration properties defined for that protocol. The base station 110 and the terminal 100 that generate a configuration instance for each protocol and application proceed with a session establishment procedure.

The session establishment procedure between the terminal 100 and the base station 110 may include a terminal initiated state in which the terminal 100 requests desired configuration characteristics and a base station initiation state that proposes configuration characteristics that the base station 110 intends to use. (AN Initiated State). The terminal 100 and the base station 110 transmit a list of parameter values to be used for one configuration characteristic in a configuration request message.

If the receiver having received the setup request message does not have a desired parameter value in the parameter list, the receiver adds the setup request message with a list of parameter values that it supports and wants to use for the parameter. By repeating the sending process to the transmitting side, the system parameter is finally set to the parameter values supported by the terminal 100 and the base station 110. Through the above process, the terminal 100 and the base station 110 perform parameter negotiation for all protocols to be used, and the side requesting the parameter setting transmits a configuration complete message to the receiving end to terminate the session setting process. . In addition, the terminal 100 and the base station 110, which have completed the session setup, release the traffic channel set as a predetermined initial parameter and apply the newly negotiated parameters.

2 is a flowchart schematically illustrating a session establishment procedure between a terminal 100 and a base station 110 in a general CDMA 2000 1x EV-DO system.

In step 200, the terminal 100 and the base station 110 establish a dedicated channel using initial parameters or setting characteristics of a session currently being used to establish a session. In step 202, the terminal 100 and the base station 110 proceed with session negotiation in a terminal-led state, and when the request for setting characteristics of the terminal 100 ends, the terminal 100 transmits a setting completion message to lead the terminal 100. Inform the completion of the status.

In step 204, the base station 110 and the terminal 100 continue to negotiate the session while the base station 110 is driven. When the request for the setup characteristic of the base station 110 is terminated, the base station 110 transmits a setup completion message including session information to be newly applied to inform that the session negotiation is completed. In step 206, the base station 110 and the terminal 100 terminate the connection of the dedicated channel in order to apply a new session, and in step 208 to end the session establishment procedure by applying the session indicated by the base station 110.

3 is a message flow diagram for establishing a session between a base station 110 and a terminal 100 in a general CDMA 2000 1x EV-DO system.

In step 300, the terminal 100 receives a new UATI through a procedure such as requesting a UATI, UATI allocation, and UATI completion with the base station 110, and in step 302, the terminal 100 and the base station 110 use initial property values. Open a session. In step 304, the traffic channel is set using the initial parameter values in step 302. In step 306, the terminal 100 and the base station 110 start session negotiation. In step 308, the base station 110 transmits a configuration start message to the terminal 100 using the traffic channel set in step 304 to start a session establishment procedure of an AT initiated state. . In step 310, the terminal 100 transmits a configuration request message and a configuration response message to the base station 110 several times and sets a desired value for a specific configuration characteristic. After completing the setting of the desired configuration characteristic value, the mobile terminal 100 transmits a configuration completion message to the base station 110 in step 312 to terminate the terminal start state and start of the base station initiated state (AN Initiated State). Inform.

In step 314, the base station 110 assigns encryption key values to the terminal 100, and transmits and receives a configuration request message and a configuration response message with the terminal 100 in step 316, thereby setting a desired value for a specific configuration characteristic. In step 318, the base station 110 completes the setting of a desired configuration characteristic value and transmits a configuration completion message to the terminal 100 to indicate that the entire session setup process is completed and which session to use. Will be reset.

2 and 3, the base station 110 generates a new configuration instance that is not requested by the terminal 100 in the base station-driven state and performs a setup negotiation process in the base station-driven state. Since the terminal 100 does not have a chance to request a value it wants to use in the base station-driven state, the base station 110 should perform communication using a configuration characteristic value or a default value for each configuration characteristic that the base station 110 has unilaterally designated.

In addition, in the related art, when the base station 110 changes the value of a specific application data requested by the terminal 100 and a stream identifier identified by the terminal 100, the terminal 100 and the base station 110 correspond to each other. The configuration instance of the application must be deleted and a new configuration instance having a stream identifier newly designated by the base station 110 must be created. Since the terminal 100 does not have a chance to request a value to be used for the newly created configuration instance in the base station-driven state, the terminal 100 communicates using the configuration characteristic value or the default value for each configuration characteristic that the base station 110 unilaterally specifies. shall.

The present invention provides a method and an apparatus and a system capable of negotiating session between a terminal and a base station when a parameter to be used between the terminal and the base station is different in a mobile communication system managing session configuration information between the terminal and the base station.

The present invention provides a method and apparatus and a system for enabling a terminal to make a request for a configuration characteristic to be used during a session establishment process of a base station-led state in a mobile communication system.

In the mobile communication system according to the present invention, a session establishment negotiation method performed by a base station during a session establishment process of a base station-led state includes a process of negotiating protocols for establishing a session with a terminal and performing session establishment operations of all configuration instances. Checking whether the stream identifier of a specific application configuration instance has changed, initializing a configuration instance corresponding to the previous stream identifier if there is a changed stream identifier, and setting instance for a new protocol or application if there is no changed stream identifier. Checking whether the configuration instance for the new protocol or application is agreed or session configuration of all configuration instances is completed after the instance corresponding to the previous stream identifier is initialized. Inspecting, and if session setup of all the configuration instances is not completed, receiving a configuration request message from the terminal and transmitting a configuration response message for the configuration request message to negotiate configuration attributes; Checking whether a terminal setup completion message has been received, if a setup completion message of the terminal is received, checking whether negotiation with respect to attributes of the protocol or application is completed with the terminal, and if the negotiation is completed, And storing the set characteristic with the terminal.

In a mobile communication system according to the present invention, a session establishment negotiation method performed by a terminal during a session establishment process of a base station-driven state includes: performing a session establishment operation for a configuration instance of a Z base station and each protocol and applications; As a result of the operation checking whether the stream identifier used by the setting instance of the specific application is changed; if the stream identifier is changed as a result of the checking process, initializing the setting instance corresponding to the previous stream identifier; If the configuration instance for the new protocol or application is agreed, and if the configuration instance is initialized or if the configuration instance for the new protocol or application is agreed, the new configuration instance. And generating, by checking that receives the setup complete message from the base station includes a process to terminate the session.

In a mobile communication system in which session establishment is performed between a base station and a terminal according to the present invention, negotiation with each terminal for session establishment with the terminal is performed and a stream identifier of a specific application configuration instance is changed during session setup operation of all configuration instances. In the case of initializing the configuration instance corresponding to the previous stream, and after the instance corresponding to the previous stream identifier is initialized, create a new configuration instance and receive and respond to the configuration request message from the terminal. Send a request message to negotiate with the terminal, and when the configuration negotiation with the terminal is completed, the base station for storing the configuration characteristics, and performs the session configuration operation of all configuration instances, and identifies the previous stream when the changed stream identifier exists Deletes the configuration instance defined in response to the message, creates a new configuration instance, sends a configuration request message to the base station when the session configuration with the base station is not completed, completes negotiation of configuration properties, and sends a terminal configuration complete message. And a terminal for transmitting and receiving a configuration complete message from the base station and storing corresponding configuration characteristics.

In a mobile communication system according to the present invention, a base station apparatus for negotiating session establishment for communication with at least one terminal during a session establishment process of a base station-driven state includes a protocol or application newly created when the session establishment partnership with the terminal is performed. Receives and negotiates a configuration request message including configuration attributes that the terminal wishes to use for the configuration instance, and if the stream identifier of a specific application configuration instance is changed from a value when the terminal is in a state of being driven, it corresponds to the previous stream identifier. Deletes the configuration instance, creates and stores a new configuration instance corresponding to the new stream identifier, and a configuration request message including configuration attributes that the terminal intends to use for the configuration instance of the newly created protocol or application. Receives the negotiation comprises a session control and mobility management, and call control and selection of transmitting data received from the terminal to the packet data service node.

In a mobile communication system according to the present invention, a terminal device negotiating session establishment for communication with at least one terminal during a session establishment process in a base station-led state includes: a transceiver configured to process frequency conversion of a radio signal transmitted and received with the base station; A demodulator for demodulating user data or messages received through the transceiver, a decoder for decoding the demodulated data or messages, and overall control of the terminal device, and negotiating session information to be used during communication with the base station; And generating session negotiation related information in a predetermined message format for session negotiation with the base station, or a session negotiation extracted from the message received from the base station by the control unit with the negotiated session information or user data to be transmitted and received with the controller. Related information and files associated with each session information A memory for storing the information according to the changed operation of the meter and the session information.

In the mobile communication system according to the present invention, a session establishment negotiation method performed by a base station during a session establishment process of a base station-driven state includes a protocol negotiation process for session negotiation with a terminal and a session establishment operation of all configuration instances. Checking whether the stream identifier of the application configuration instance needs to be changed; transmitting a stream exchange message to the terminal if there is a changed stream identifier; and receiving the stream exchange confirmation message from the terminal. And mapping the configuration instance corresponding to the source stream of the exchange confirmation message to the target stream.

In the mobile communication system according to the present invention, a session establishment negotiation method performed by a terminal during a session establishment process of a base station-driven state includes a process of performing a session establishment operation for a configuration instance of each protocol and application with the base station; Checking whether a stream exchange message has been received from the mobile station; if a stream exchange message is received, mapping a configuration instance corresponding to a source stream of the received stream exchange message to a new target string stream; and sending a stream exchange response to the base station. Transmitting a message, and generating a new instance after the negotiation of the configuration instance for the new application with the base station is completed.

The mobile communication system in which session establishment is performed between a base station and a terminal according to the present invention transmits a stream exchange message to the terminal when the stream identifier of a specific application configuration instance is changed during the session establishment operation of the terminal and all configuration instances. And a base station corresponding to a configuration instance corresponding to a source stream of the stream exchange acknowledgment message to a target stream when receiving an exchange acknowledgment message from the terminal, and when the stream exchange message is received from the base station, the received stream exchange. After the configuration instance corresponding to the source stream of the message corresponds to the new target string stream and sends a stream exchange response message to the base station, when negotiation of the configuration instance for the new application with the base station is completed, a new instance is created. It comprises a terminal.

In the mobile communication system according to the present invention, a base station apparatus for negotiating session establishment for communication with at least one terminal during a session establishment process of a base station-driven state may include a newly generated protocol or Receive and negotiate a configuration request message including configuration attributes that the terminal intends to use for a configuration instance of an application, transmit a stream exchange message when the stream identifier is changed, and receive a stream exchange confirmation message from the terminal. A session control and mobility management unit for associating the confirmed configuration instance with the new stream identifier, and a control unit and a selection unit for transmitting the data received from the terminal to the packet data service node.

In the mobile communication system according to the present invention, a terminal device negotiating session establishment for communication with at least one terminal during a session establishment process of a base station-driven state includes: a transceiver unit which processes frequency conversion of radio signals transmitted and received with the base station; A demodulator for demodulating user data or messages received through the transceiver, a decoder for decoding the demodulated data or messages, general control of the terminal device, and session information to be used during communication with the base station. And a control unit for generating a new instance after mapping a configuration instance assigned to the source stream to a target stream identifier when the stream exchange message is received from the base station, and the negotiated session information or user data to be transmitted and received and the control unit. From the message received from the base station by It comprises storing the information in accordance with the parameters and changing the operation of the session information related to the extracted session negotiation-related information with each of the session information memory.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating principle of the preferred embodiment of the present invention. In the following description of the present invention, detailed descriptions of well-known functions or configurations will be omitted if it is determined that the detailed description of the present invention may unnecessarily obscure the subject matter of the present invention. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

The present invention negotiates through an access terminal initiated state requesting a value that a terminal intends to use for various system parameters required for communication and an access network initiated state suggesting a value that the base station intends to use. And a method and apparatus for more efficiently negotiating when a parameter value to be used by a terminal and a parameter value to be used by a base station are different from each other in a mobile communication system stored and managed as session configuration information. Provide a system.

The present invention proposes a configuration characteristic indicating a protocol or application to be used among parameters negotiated by the terminal and the base station during a session negotiation process between the terminal and the base station, or a stream identifier for identifying the data of the application with other application data. With respect to the configuration feature, even if the base station designates a value different from the value requested by the terminal, a session negotiation scheme that can reflect the request of the terminal in the subsequent session establishment process is proposed.

The present invention to be described below has been largely made in two aspects.

The first aspect describes a method for initializing or deleting a configuration instance corresponding to a previous stream identifier when a new configuration instance is generated during a session negotiation process between the terminal and the base station and the stream identifier of the specific application configuration instance is changed. something to do.

The second aspect will describe a method in which the base station and the terminal correspond to the previous stream identifier when the stream identifier of the specific application configuration instance is changed during the session negotiation process between the terminal and the base station.

The first aspect will be described with reference to FIGS. 4 to 6, and the second aspect will be described with reference to FIGS. 9 to 10.

The operation of the base station according to the first aspect of the present invention is as follows.

In a mobile communication system to which the present invention is applied, a configuration instance of a newly generated protocol or application at a base station receives a configuration request message of a terminal transmitted to the configuration instance and negotiates configuration properties using a configuration response message. do.

In addition, if the stream identifier of an application configuration instance in the base station-driven state is changed from the value of the UE-driven state, the base station deletes the configuration instance defined corresponding to the previous stream identifier and creates a new configuration instance corresponding to the new stream identifier. do. The terminal receives the configuration request message sent to the configuration instance and negotiates configuration properties using the configuration response message.

While receiving and responding to the UE's configuration request for the configuration instance of the protocol or application, the base station remains in the base station-driven state, and configuration instances of other protocols or applications other than the configuration instance of the protocol or application are in the existing base station-driven state. To keep the operation. That is, the configuration request message sent by the terminal is ignored for the other protocol or the configuration instance of the application except for the configuration instance of the protocol or application.

Receiving and responding to a configuration request message for a newly created protocol or application or configuration instance of an application whose stream identifier is changed when the base station is in a state of conducting the terminal means that the terminal completes configuration of the terminal for the protocol or application. The base station returns to the normal base station-driven state after ignoring the terminal setting completion message, and ignores the terminal setting request message, and requests the base station to set a desired property value. Negotiate by using a message. The base station negotiating all the configuration attributes of the protocol or application stores the configuration attributes and terminates the configuration process of the protocol or application.

Table 1 below shows a terminal configuration completion message according to an embodiment of the present invention.

Field Length (bits) MessageID 8 TransactionID 8 ProtocolType 16

The message ID field of Table 1 has a message identifier value indicating a terminal configuration completion message, and a transaction ID field distinguishes one terminal configuration complete message from another terminal configuration complete message without duplication. Execution identifier for The protocol type field is a field for indicating which protocol or application is a protocol or application that has completed the terminal-driven configuration process.

The base station receiving the terminal configuration complete message may confirm the reception of the terminal configuration complete message to the terminal by transmitting a terminal configuration complete response message shown in Table 2 below.

Field Length (bits) MessageID 8 TransactionID 8

The Message ID field of Table 2 has a value of a message identifier indicating a terminal configuration complete response message, and the TransactionID field represents an execution identifier of the terminal configuration complete message corresponding to the terminal configuration complete response message. Instruct.

A value requested by the terminal for a stream identifier configuration characteristic for distinguishing the data from other application data for a specific application negotiated by the terminal and the base station during a session negotiation process between the terminal and the base station according to the second aspect of the present invention. Even if the base station wants to use a different value from the base station, a method of maintaining the configuration instance of the application without initializing or deleting is proposed.

The operation of the base station according to the second aspect of the present invention is as follows.

In the mobile communication system to which the second aspect of the present invention is applied, when the base station is in a base station-driven state, when the stream identifier of a certain application setup instance is changed from a value at the terminal-driven state, the base station replaces the setup instance corresponding to the previous stream identifier In order to correspond to the identifier, a stream switch message (StreamSwitch message) is transmitted to a corresponding terminal (a terminal currently undergoing session negotiation with the base station in a base station driven state). Subsequently, the base station waits until a stream exchange confirmation message (StreamSwitchAck message) is received from the terminal (the terminal that has received the stream exchange message), and if the stream exchange confirmation message is received, the corresponding configuration instance (the configuration corresponding to the previous stream identifier). Instance) to a new stream identifier.

When the base station does not receive the stream exchange confirmation message from the terminal, it may retransmit the stream exchange message. Even during this stream change operation, the base station remains in the base station-driven state, and configuration instances of other protocols or applications except the configuration instance of the application maintain the operation in the existing base station-driven state.

Table 3 below shows a StreamSwitch message according to a second aspect of the present invention.

Field Length (bits) MessageID 8 TransactionID 8 StreamType One SourceStreamID 2 or 8 TargetStreamID 2 or 8 Reserved As needed

The Message ID field of Table 3 has a value of a message identifier representing a stream exchange message, and the TransactionID field is used to distinguish one stream exchange message from another stream exchange message without being duplicated. Identifier. The StreamType field is a field indicating whether a stream identifier to be exchanged by the base station is 2 bits or 8 bits. When the stream type has a value of '0', the source stream identifier (SourceStreamID) and target stream identifier (TargetStreamID) fields are 2 bits. Has a length of

When the stream type field has a value of '1', the source stream identifier (SourceStreamID) and the target stream identifier (TargetStreamID) fields have a length of 8 bits. The source stream identifier (SourceStreamID) field is a field indicating an identifier of a stream corresponding to the exchange of a configuration instance to be exchanged by the base station.

The target stream identifier (SourceStreamID) field is a field indicating a stream identifier to which a configuration instance corresponding to the source stream identifier (SourceStreamID) is newly mapped.

The terminal receiving the stream exchange message may transmit a stream exchange confirmation message of Table 4 below to confirm to the base station that the terminal has completed the exchange of the stream.

Field Length (bits) MessageID 8 TransactionID 8

The Message ID field of Table 4 has a value of a message identifier indicating a stream exchange acknowledgment message, and the TransactionID field indicates an execution identifier of a stream exchange message corresponding to the stream exchange acknowledgment message.

4 is a flowchart illustrating an operation of a base station in a base station-driven state during a session establishment process to facilitate understanding of the present invention.

In step 400, the base station performs a session establishment operation for the configuration instance of all protocols and applications. In step 402, the base station determines whether the stream identifier used by the configuration instance of a specific application has changed as a result of the session establishment process. If it is changed in step 402, the process proceeds to step 404 to delete the setting instance defined in correspondence with the previous stream identifier, and proceeds to step 406 to create a new setting instance corresponding to the new stream identifier.

If the stream identifier has not been changed in step 402, the base station proceeds to step 408 and checks whether a configuration instance for a new protocol or application is agreed. If the configuration instance for the new protocol or application is agreed in step 408, the base station proceeds to step 406 to create a new configuration instance for the agreed new protocol or application.

In step 410, the base station determines whether session establishment for all configuration instances is completed. In step 410, if the session setup for all setup instances is completed, the process proceeds to step 412, the setup completion message is transmitted to the terminal and the session setup ends. If the serial configuration for all configuration instances is not completed in step 410, the base station proceeds to step 400 and continues to establish sessions for each configuration instance.

5 is an operation flowchart when a configuration instance of a protocol or an application is newly set when a session establishment process is performed by a base station according to an embodiment of the present invention. That is, since the session setup is not completed in step 410 with respect to the newly created setup instance in steps 404 and 406 of FIG. 4, a process of performing session setup operation for the newly created setup instances in step 400 is described. will be.

First, when a configuration instance of a protocol or an application is newly created in a base station-driven state, the configuration instance receives the configuration request message of the terminal and negotiates configuration properties using the configuration response message. In step 502, the configuration instance checks whether a terminal configuration complete message transmitted from the terminal has been received, and if not, proceeds to step 500 to receive and negotiate a configuration request of the terminal.

On the contrary, if the terminal setup complete message transmitted by the terminal is received in step 502, the setup instance proceeds to step 504 and negotiates with the terminal a setup attribute value desired by the base station using the setup request message. In step 506, the configuration instance checks whether configuration negotiation for configuration attributes of the corresponding protocol or application is completed, and if not, proceeds to step 504.

Otherwise, if the setup negotiation is completed in step 506, the setup instance proceeds to step 508 to store the setup properties and ends the session setup process.

5 is an operation of a configuration instance of a base station and a base station protocol or a configuration instance of a base station application in a base station-driven state according to the first aspect of the present invention. Hereinafter, a first aspect of the present invention will be described with reference to FIGS. 6 and 7. The operation of the configuration instance of the terminal and the terminal protocol or the configuration instance of the terminal application when the base station is in the state according to the following.

First, prior to describing FIG. 6 and FIG. 7, the operation method of the proposed terminal according to the first aspect of the present invention will be described.

In the scheme proposed by the present invention, when a base station is in a state of being driven, a configuration instance of a newly created protocol or application in the terminal negotiates with the base station a configuration property that the terminal intends to use for the configuration instance.

In addition, the terminal may be configured to correspond to the previous stream identifier when the stream identifier of an application configuration instance in the base station-driven state is changed from a value when the stream identifier of an application configuration instance is in the terminal-driven state. Deletes and creates a new configuration instance that corresponds to the new stream identifier. The UE then negotiates the configuration attributes that the terminal intends to use for the configuration instance with the base station using the configuration request message.

While the terminal transmits a configuration request for the configuration instance of the protocol or application, the terminal remains in a base station-driven state, and configuration instances of other protocols or applications other than the configuration instance of the protocol or application operate in the existing base station-driven state. Keep it. That is, because the protocol or another protocol except the configuration instance of the application, the terminal cannot send the configuration request message to the configuration instances of the application.

The process of negotiating configuration attributes that the terminal intends to use for a configuration instance of a newly generated protocol or application or application whose stream identifier is changed when the base station is in a state of being driven is performed by the terminal after negotiating the configuration instance. The process continues until a terminal configuration complete message indicating terminal side configuration complete for.

After the UE transmits the UE configuration complete message, the UE cannot perform a configuration request for the corresponding configuration instance by performing an operation of a normal BS state.

The operation of the terminal according to the second aspect of the present invention is as follows.

In the mobile communication system to which the present invention is applied, when the UE receives the stream switch message (StreamSwitch message), when the terminal receives the stream switch message (StreamSwitch message), the configuration instance corresponding to the source stream identifier of the stream exchange message corresponds to the target stream identifier and stream Send an exchange acknowledgment message (StreamSwitchAck message). The terminal may retransmit the stream exchange confirmation message. Even during this stream change operation, the UE stays in the base station driven state, and configuration instances of other protocols or applications except the configuration instance of the application maintain the operation in the existing base station driven state.

6 is a flowchart illustrating an operation of a terminal in a base station-driven state during a session establishment process with a base station to facilitate understanding of the present invention.

In step 600, the terminal performs a session establishment operation on configuration instances of all protocols and applications. In step 602, the terminal checks whether a stream identifier used by a setting instance of a specific application has changed as a result of the session establishment process of step 600. If there is a change in the stream identifier in step 602, the terminal proceeds to step 604 and deletes the configuration instance defined corresponding to the previous stream identifier. In step 606, the terminal creates a new configuration instance corresponding to the new stream identifier.

In step 602, if the stream identifier of the configuration instance has not been changed as a result of the session establishment process, the terminal proceeds to operation 608 and determines whether a configuration instance for a new protocol or application is agreed. If the new configuration instance is agreed in step 608, the terminal proceeds to step 606 to create a new configuration instance for the agreed new protocol or application.

If the new configuration instance is not agreed in step 608, the terminal proceeds to step 610 to check whether or not the configuration complete message transmitted by the base station is received. If the setup complete message is not received from the base station in step 610, the process proceeds to step 600. If the setup complete message is received from the base station, the session setup process with the base station is terminated.

7 is a flowchart illustrating a case where a configuration instance of a terminal protocol or an application is newly set when a session establishment process is performed by a base station according to an embodiment of the present invention. That is, since the session setup is not completed in step 610 with respect to the newly created setup instance in steps 604 and 606 of FIG. 6, a process of performing a session setup operation on newly created setup instances in step 600 is described. will be.

When a configuration instance of a protocol or an application is newly created in a base station-driven state, the configuration instance negotiates with the base station the configuration attributes that the terminal intends to use in step 700 using a configuration request message. Thereafter, if the terminal fails to complete the negotiation for the configuration attributes in step 702, the configuration instance proceeds to step 700 and continues to perform the setup request to the base station. In step 704, the mobile station transmits a terminal configuration complete message to the base station.

In step 706, the configuration instance receives the configuration attribute message transmitted by the base station and performs a configuration of negotiating the configuration attribute using the configuration response message in response thereto. Thereafter, in step 708, the configuration instance checks whether a configuration complete message has been received from the base station. If not, the configuration instance proceeds to step 706, and receives the configuration response message sent by the base station again, and receives a configuration response message. Negotiate a configuration property by using

On the contrary, if the setup complete message transmitted by the base station is received in step 708, the setup instance proceeds to step 710 to store the corresponding setup characteristics and ends.

FIG. 8 is a block diagram showing a configuration of a mobile communication system to which the present invention is applied, which shows, for example, the configuration of a CDMA 2000 1x EV-DO network.

The mobile communication system of FIG. 8 includes a user equipment (AT) 812, a base station (AN) 820, and a packet controller 826 that transmit / receive data through the wireless network with the terminal 812. The base station 820 includes an Access Network Transceiver System (ANTS) and an Access Network Controller (ANC) constituting a radio access network (RAN) of a CDMA 2000 1x EV-DO network. It is composed. The packet controller 826 is not shown with a session control / mobility management unit (SC / MM) 824 that negotiates session information to be used during communication with the terminal 812 according to the session negotiation procedure proposed by the present invention. And a control unit and a selection unit 822 which selects and transmits a base station in which the corresponding terminal 812 exists and transmits data received from a packet data service node that has not been received, and transmits the data received from the terminal 812 to the packet data service node. do.

The base station 820 is a radio frequency unit 816 for transmitting and receiving user data or messages, a data queue 818 for storing received user data or messages, the amount of data for each queue, the channel status, service characteristics, and fairness of terminals. It includes a scheduler and a controller 814 for selecting and transmitting data of a specific user and a specific queue in consideration of a fairness.

In FIG. 8, the session control and mobility management unit 824 in the terminal 812 and the packet control unit 826 include a predetermined session negotiation algorithm for performing session negotiation with the proposed method of FIGS. 4 to 7. In the present invention, for convenience of description, it will be understood that the packet controller 826 is included in the base station 820.

First, the terminal 812 of FIG. 8 includes a transceiver 800 that communicates with a base station 820 through a wireless channel, and a demodulator 802 that demodulates user data or a message received through the transceiver 800. And a decoder 804 for decoding the demodulated data or message. The controller 806 is in charge of the overall control of the terminal 812 and negotiates session information to be used during communication with the session control and mobility management unit 824 in the packet controller 826. A memory 807 for storing the data, an encoder 808 for encoding the user data or the generated message, and a modulator 810 for modulating the encoded user data or the message.

The control unit 806 of the terminal 812 generates session negotiation related information in a predetermined message format for session negotiation with the session control and mobility management unit 824 in the packet control unit 826 or obtains session negotiation related information from the received message. Extract. In addition, the controller 806 stores the information in the memory 807 according to a change operation of parameters and session information related to each session information.

In addition, the controller 806 may transmit a configuration request message including configuration attributes that the terminal 812 intends to use for a newly created protocol or application configuration instance during a session establishment operation in a base station-driven state. The control and mobility manager 824 transmits.

In addition, when the stream identifier of a certain application configuration instance is changed from a value at the terminal management state in the base station driven state, the controller 806 deletes the corresponding configuration instance defined in correspondence with the previous stream identifier from the memory 807. A new configuration instance corresponding to the new stream identifier is created and stored in the memory 807.

Alternatively, according to another embodiment of the present invention, when receiving the stream exchange message when the base station is in a base station state, the control unit 806 may correspond to the target stream identifier and the configuration instance corresponding to the source stream identifier of the stream exchange message and send the stream to the base station. Send the exchange confirmation message.

The controller 806 generates a configuration request message including configuration attributes that the terminal 812 intends to use for the configuration instance, and transmits the configuration request message to the session control and mobility management unit 824 in the packet controller 826. The controller 806 terminates the session setup process when the setup completion message is received from the packet controller 826.

The session control and mobility management unit 824 in the packet control unit 826 includes a configuration request including configuration attributes that the terminal 812 intends to use for a configuration instance of a newly created protocol or application during a session establishment operation in a base station-driven state. Receive and negotiate a message.

If the stream identifier of a specific application configuration instance is changed from a value at the terminal leadership state in the base station-driven state, the session control and mobility management unit 824 selects the corresponding configuration instance defined in correspondence with the previous stream identifier. ), A new configuration instance corresponding to the new stream identifier is generated and stored in the session control and mobility management unit 824. Thereafter, the session control and mobility manager 824 receives and negotiates a configuration request message including configuration attributes that the terminal 812 intends to use for the newly created protocol or application configuration instance. The session control and mobility manager 824 checks whether session setup for all setup instances is completed, and generates a setup completion message and transmits the setup completion message to the terminal 812 when session setup for all setup instances is completed.

Alternatively, according to another embodiment of the present invention, the session control and mobility management unit 824 transmits a stream exchange message to a terminal when a stream identifier of a configuration instance of a specific application is required, and receives a stream exchange confirmation message from the terminal. In this case, the instance corresponding to the source stream of the stream exchange message corresponding to the received stream exchange acknowledgment message is newly associated with the target stream.

9 is a flowchart illustrating an operation of a base station in a base station driven state during a session establishment process according to a second aspect of the present invention.

In step 900, the base station performs a session establishment operation for the configuration instance of all protocols and applications. In step 902, the base station determines whether the stream identifier of the configuration instance of a specific application needs to be changed, and when the stream identifier needs to be changed, the base station transmits a stream exchange message as shown in Table 3 to the terminal. Thereafter, the terminal determines whether a stream exchange acknowledgment message for the stream exchange message previously transmitted is received at 906.

When the stream exchange confirmation message is received in step 906, the stream exchange message corresponding to the stream exchange confirmation message is found in step 908, and a configuration instance corresponding to the source stream of the message is newly mapped to the target stream. Thereafter, the base station proceeds to step 910 and checks whether a configuration instance for a new protocol or application is agreed. If the configuration instance for the new protocol or application is agreed in step 910, the base station proceeds to step 912 and creates a new configuration instance for the agreed new protocol or application.

In step 914, the base station determines whether session establishment for all configuration instances is completed. In step 914, if the session setup for all the setup instances is completed, the process proceeds to step 916 to transmit a setup completion message to the terminal and ends the session setup. If the serial configuration for all configuration instances is not completed in step 914, the base station proceeds to step 900 to continue session establishment for each configuration instance. In this case, an operation as shown in FIG. 5 described above may be performed.

10 is a flowchart illustrating an operation of a terminal in a base station led state during a session establishment process according to a second aspect of the present invention.

In step 1000, the terminal performs a session establishment operation on configuration instances of all protocols and applications. In step 1002, the UE determines whether a stream exchange message is received from the base station. If the stream exchange message is received in step 1002, the terminal proceeds to step 1008 and newly associates a configuration instance corresponding to the source stream of the stream exchange message to the target stream and streams having the same transaction identifier as the stream exchange message in step 1010. Send the exchange completion message to the base station. The process then proceeds to step 1004 to check whether the configuration instance for the new protocol or application is agreed. If the new configuration instance is agreed in step 1004, the terminal proceeds to step 1012 and creates a new configuration instance for the agreed new protocol or application. If the new configuration instance is not agreed in step 1004, the terminal proceeds to step 1006 to check whether the base station has received the configuration complete message. If the setup complete message is not received from the base station in step 1006, the process proceeds to step 1000. If the setup complete message is received from the base station, the session setup process with the base station is terminated. In this case, when the check result of step 1006 fails to receive the setting completion message and proceeds to step 1000, the operation as described above with reference to FIG. 7 may be performed.

As described above, according to the present invention, even when a parameter to be used between the terminal and the base station is different when establishing a session between the terminal and the base station, session negotiation can be performed more efficiently.

Claims (21)

A session establishment negotiation method performed in a base station during a session establishment process of a base station-led state in a mobile communication system, A process of negotiating protocols for establishing a session with the terminal; Checking whether a stream identifier of a specific application configuration instance is changed while performing session configuration operation of all configuration instances; Initializing a configuration instance corresponding to the previous stream identifier when there is a changed stream identifier; If there is no changed stream identifier, checking whether a configuration instance for a new protocol or application is agreed, Checking whether session establishment of all configuration instances is completed after the configuration instance for the new protocol or application is agreed or the instance corresponding to the previous stream identifier is initialized; If session setup for all of the above configuration instances is not complete, Receiving a setting request message from the terminal and transmitting a setting response message to the setting request message to negotiate a setting property; Checking whether a terminal setting completion message has been received from the terminal; If receiving the configuration complete message of the terminal, checking whether the negotiation with the terminal about the attributes of the protocol or application is completed; And if the negotiation is completed, storing the set characteristic with the terminal. According to claim 1, The terminal configuration completion message received by the base station from the terminal is performed to distinguish a message ID (MessageID), which is a message identifier indicating a terminal configuration completion message, and one terminal configuration complete message from another terminal configuration complete message without being duplicated. And a transaction type (TransactionID), which is an identifier, and a protocol type indicating a protocol or an application in which the terminal has completed a terminal-driven setup process. The method of claim 2, And the base station transmits a terminal configuration complete response message to the terminal in response to the terminal configuration complete message. The method of claim 3, wherein The terminal configuration complete response message includes a message ID (MessageID) having a message identifier value indicating that the terminal configuration complete response message and a transaction ID (TransactionID) indicating an execution identifier of the terminal configuration complete message corresponding to the terminal configuration complete response message. Session negotiation method between a mobile terminal and a base station in a mobile communication system comprising a. A session establishment negotiation method performed in a terminal during a session establishment process of a base station-led state in a mobile communication system, Performing a session establishment operation on a configuration instance of the base station and each protocol and application; Checking whether a stream identifier used by a setting instance of a specific application has changed as a result of the session setting operation; If the stream identifier is changed as a result of the checking process, initializing a configuration instance corresponding to the previous stream identifier; If there is no changed stream identifier, checking whether a configuration instance for a new protocol or application is agreed, If the configuration instance is initialized or a configuration instance for the new protocol or application is agreed, creating a new configuration instance; And ending the session establishment by checking whether the configuration complete message has been received from the base station. The method of claim 5, wherein when the setup completion message is not received from the base station, Transmitting a setup request message to the base station; Checking whether the negotiation of the configuration attributes has been completed; If the negotiation is completed, transmitting a terminal setup complete message to the base station; Receiving a configuration request message from the base station and transmitting a configuration response message to negotiate configuration attributes; Checking whether a configuration completion message is received from the base station, and if received, storing the configuration characteristics. The method of claim 6, The terminal configuration complete message includes a message ID (MessageID) which is a message identifier meaning a terminal configuration complete message, and a transaction ID (TransactionID) which is an execution identifier for distinguishing one terminal configuration complete message from another terminal configuration complete message without being duplicated. And a protocol type (ProtocolType) indicating that the terminal indicates a protocol or an application that has completed the terminal-driven setup process. A mobile communication system in which session establishment is performed between a base station and a terminal, When the protocol is negotiated for the session establishment with the terminal and the stream identifier of a specific application configuration instance is changed during the session setup operation of all configuration instances, the configuration instance corresponding to the previous stream is initialized and corresponding to the previous stream identifier. After the instance is initialized, a new configuration instance is generated, a configuration request message is received from the terminal and responded to, a configuration completion message is received from the terminal, and a configuration request message is transmitted to negotiate with the terminal. A base station storing corresponding configuration characteristics; Perform session establishment operation of all configuration instances, delete a configuration instance defined corresponding to a previous stream identifier when a changed stream identifier exists, create a new configuration instance, and when the session setup is not completed with the base station, And a terminal for transmitting a configuration request message, completing negotiation on configuration attributes, transmitting a terminal configuration complete message, receiving a configuration complete message from the base station, and storing corresponding configuration characteristics. Session negotiation system between the terminal and the base station. A base station apparatus for negotiating session establishment for communication with at least one terminal during a session establishment process of a base station led state in a mobile communication system, Receive and negotiate a configuration request message including configuration attributes that the terminal intends to use for a newly created protocol or application configuration instance when the session establishment partner interacts with the terminal, and the stream identifier of the specific application configuration instance is determined by the terminal. If the value is changed while in the dominating state, delete the configuration instance corresponding to the previous stream identifier, create and save a new configuration instance corresponding to the new stream identifier, and change the configuration instance of the newly created protocol or application. A session control and mobility management unit for receiving and negotiating a configuration request message including configuration attributes to be used by the terminal; And a control unit and a selection unit for transmitting the data received from the terminal to a packet data service node. A terminal apparatus for negotiating session establishment for communication with at least one terminal during a session establishment process of a base station led state in a mobile communication system, A transceiver for processing frequency conversion of a radio signal transmitted and received with the base station; A demodulator for demodulating user data or a message received through the transceiver, a decoder for decoding the demodulated data or message; It is responsible for the overall control of the terminal device, negotiates session information to be used during communication with the base station, generates session negotiation related information in a predetermined message format for session negotiation with the base station or the control unit; Storing session negotiation related information extracted from the negotiated session information or user data to be transmitted / received and the message received from the base station by the controller, and corresponding information according to a change operation of parameters and session information related to each session information; Said device comprising a memory. A session establishment negotiation method performed in a base station during a session establishment process of a base station-led state in a mobile communication system, Protocol negotiation for session negotiation with UE, Checking whether the stream identifier of a specific application configuration instance needs to be changed during the session configuration operation of all configuration instances; Transmitting a stream exchange message to the terminal when there is a changed stream identifier; When receiving the stream exchange confirmation message from the terminal, a session negotiation between the mobile terminal and the base station in the mobile communication system, characterized in that it comprises the step of mapping the configuration instance corresponding to the source stream of the stream exchange confirmation message to the target stream. Way. The method of claim 11, wherein The stream exchange message includes a message ID having a message identifier value indicating a stream exchange message, a transaction ID for distinguishing stream exchange messages, and a stream type for distinguishing a stream identifier to be exchanged by a base station. Session negotiation method between a mobile station and a base station in a mobile communication system. The method of claim 11, wherein The stream exchange confirmation message And a message ID, which is a message identifier value representing a stream exchange acknowledgment message, and a transaction ID, which is an execution identifier of a stream exchange message corresponding to the stream exchange acknowledgment message. The method of claim 11, wherein If negotiations for all configuration properties are not completed, Negotiating configuration attributes with the terminal; When receiving the configuration completion message from the terminal, transmitting a desired configuration request message to the terminal to the terminal and negotiating with the terminal; And storing the corresponding configuration characteristics when the configuration negotiation with the terminal is completed. A session establishment negotiation method performed in a terminal during a session establishment process of a base station-led state in a mobile communication system, Performing a session establishment operation on a configuration instance of each protocol and an application with the base station; Checking whether a stream exchange message has been received from the base station; When the stream exchange message is received, mapping a setting instance corresponding to the source stream of the received stream exchange message to a new target string stream; Transmitting a stream exchange response message to the base station; And after the negotiation of the configuration instance for the new application with the base station is completed, generating a new instance. The method of claim 15, The stream exchange message includes a message ID having a message identifier value indicating a stream exchange message, a transaction ID for distinguishing stream exchange messages, and a stream type for distinguishing a stream identifier to be exchanged by a base station. Session negotiation method between a mobile station and a base station in a mobile communication system. The method of claim 15, The stream exchange confirmation message And a message ID, which is a message identifier value representing a stream exchange acknowledgment message, and a transaction ID, which is an execution identifier of a stream exchange message corresponding to the stream exchange acknowledgment message. The method of claim 15, If the above setup completion message has not been received, Transmitting a setup request message to the base station; If the negotiation on the configuration attributes is completed, transmitting a terminal configuration complete message to the base station; Transmitting a request message for setting up with the base station and receiving a response message; And storing the corresponding configuration characteristics when the configuration completion message is received. A mobile communication system in which session establishment is performed between a base station and a terminal, When the stream identifier of a specific application configuration instance is changed during the session establishment operation of the terminal and all configuration instances, a stream exchange message is transmitted to the terminal. When the exchange confirmation message is received from the terminal, the stream exchange confirmation message is transmitted. A base station for mapping a configuration instance corresponding to a source stream to a target stream; When a stream exchange message is received from the base station, the configuration instance corresponding to the source stream of the received stream exchange message corresponds to a new target string stream, and after transmitting a stream exchange response message to the base station, The session negotiation system between the mobile terminal and the base station in the mobile communication system, characterized in that when the negotiation of the configuration instance for the new application is completed, the terminal to create a new instance. A base station apparatus for negotiating session establishment for communication with at least one terminal during a session establishment process of a base station led state in a mobile communication system, Receiving and negotiating a configuration request message including configuration attributes that the terminal intends to use for a newly created protocol or application configuration instance while performing at least one session configuration operation with the terminal, and when the stream identifier is changed, the stream is changed. A session control and mobility management unit for transmitting an exchange message and for receiving a stream exchange acknowledgment message from the terminal to correspond to a new stream identifier of a configuration instance whose exchange has been confirmed; And a control unit and a selection unit for transmitting the data received from the terminal to a packet data service node. A terminal apparatus for negotiating session establishment for communication with at least one terminal during a session establishment process of a base station led state in a mobile communication system, A transceiver for processing frequency conversion of a radio signal transmitted and received with the base station; A demodulator for demodulating user data or a message received through the transceiver, a decoder for decoding the demodulated data or message; It is in charge of overall control of the terminal device, negotiates session information to be used during communication with the base station, and when receiving a stream exchange message from the base station, associates a configuration instance assigned to the source stream with a target stream identifier and then creates a new instance. A control unit to generate, Storing session negotiation related information extracted from the negotiated session information or user data to be transmitted / received and the message received from the base station by the controller, and corresponding information according to a change operation of parameters and session information related to each session information; And a memory device.

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