Abstract: A method of managing resources allocated for HSDPA in a mobile communication system is provided. Upon initialization of HSDPA hardware, a Node B checks the status of available HSDPA resources and reports it to an RNC. If the Node B senses a change or failure in the HSDPA hardware, it checks the HSDPA resource status and reports it to the RNC. Therefore, resources are efficiently allocated for HSDPA and resource switching occurs quickly.

Abstract: A method for evolving a polypeptide or a polynucleotide coding therefor, which comprises preparing a library of mutant polynucleotides through transposon-mediated random substitution, insertion or deletion of a multiple of three nucleotides on a polynucleotide coding for a target protein, expressing the mutant polynucleotides in a host cell and screening for a polypeptide having a desired property.

Abstract: There is disclosed an azetidinone compound of the formula (I): wherein R is hydrogen, or a hydroxy protecting group, R1 and R2 are each independently alkyl of 1-15 carbon atoms, benzyl or cyclized together with the carbon atom to which they are attached to form a 5 or 6-membered cyclic hydrocarbon or a heterocyclic radical having one or two hetero ring atoms, said hetero ring atoms being selected from the group consisting of O and S; R3 is lower alkyl or —COO(lower alkyl) R4 is phenyl, or phenyl substituted with halogen, lower alkoxy or nitro which is useful as a synthetic intermediate to the 1??-methylcarbapenem-type antibacterial agent.

Abstract: A method for ciphering MBMS (Multimedia Broadcast/Multicast Service) data in a wired/wireless communication system is provided. The MBMS service enables the same service or desired services to be provided to a number of users. In the ciphering method, a ciphering key for encoding MBMS data is previously provided to an authorized UE, and the authorized UE is informed of when MBMS data encoded using the ciphering key is to be transmitted, thereby preventing unauthorized UEs from illegally receiving the MBMS service.

Abstract: A method for dividing MBMS control information provided to UEs for an MBMS service into three types and separately transmitting the divided MBMS control information according to their types. The MBMS control information is divided into first MBMS control information that is periodically transmitted, and second MBMS control information that is aperiodically transmitted due to occurrence of an event. The periodically transmitted first MBMS control information is divided into MBMS control information that is transmitted at a first periodic interval and MBMS control information that is transmitted at a second periodic interval. The first periodic interval is shorter than the second periodic interval to enable a UE desiring to receive a particular MBMS service to preferentially receive MBMS status information in advance of MBMS RB information.

Abstract: A mobile communication system supporting an MBMS service includes a Node B having a plurality of transport channels and at least one UE communicating with the Node B. The Node B selects a transport channel for MBMS control information among a plurality of transport channels mapped to a secondary common control physical channel; transmits a system information block indicating the selected transport channel to a cell area where UEs are located, using a primary common control physical channel; and transmits the MBMS control information to the cell area using the selected transport channel.

Abstract: A mobile communication system includes a radio network controller (RNC), at least one Node B, and at least one user equipment (UE) able to receive a broadcast service from the Node B. The RNC generates a paging control frame based on the paging information including paging indicator bit mapping information indicating paging for each broadcast service; transmits the paging control frame to the Node B; and receives a response message to the paging control frame from the Node B. The Node B receives paging information including paging indicator bit mapping information indicating paging for each broadcast service, from the RNC through a paging control frame; transmits a response message including the paging information to the RNC in response to the paging control frame; and transmits the paging indicator to the UE based on the paging information.

Abstract: A method for managing information on user equipments (UEs) in a mobile communication system supporting an MBMS (Multimedia Broadcast/Multicast Service) service. A radio network controller (RNC) provides a packet switched (PS) service and a circuit switched (CS) service to the UEs. A UE that is in a Packet Mobility Management-Idle (PMM-Idle) mode after joining at least one MBMS service, transmits MBMS service-related information thereof to the RNC, and the RNC stores the MBMS service-related information in a first service context for the MBMS service held in the RNC, together with information on the UE.

Abstract: A method for enabling a user equipment (UE) to recover from a multimedia broadcast/multicast service (MBMS) data error in a mobile communication system. The mobile communication system includes a radio network controller (RNC) and at least one cell for transmitting MBMS data to at least one UE according to a control operation of the RNC. The RNC transmits first control information to UEs located in each cell. Each of the UEs receives the first control information and the MBMS data. When an error in the received MBMS data is detected, the RNC is notified that an MBMS data reception error has occurred. Response information associated with the MBMS data reception error is transmitted from the UE to the RNC. The UE determines whether control information contained in the response information matches the first control information. The MBMS data reception error is recovered from, according to a result of the determination.

Abstract: A multicast service of a 3GPP Universal Mobile Telecommunications System (UMTS) is disclosed. By allowing an RNC to manage multicast group member information by multicast services on multicast areas, when a user terminal being currently provided with an MBMS service moves, the RNC sends information on the movement of the terminal to a core network. Since the RNC notifies the core network of the terminal's movement selectively on the basis of the multicast group member information by multicast services on the multicast area, the network resource can be effectively used, and especially, unnecessary transmission of terminal's movement information from the RNC to the multicast group managing entity of the core network can be prevented.

Abstract: A radio link (RL) parameter updating method of a high speed downlink packet access (HSDPA) system in a mobile communication system is disclosed. According to a radio channel situation of a terminal, an RL parameter applied to transmission and reception of control information between the terminal and a base station is dynamically controlled. For this purpose, the RL parameter updating method includes: a step in which the base station determines whether to update an HSDPA related parameter and transmits the parameter update information to the RNC to trigger updating of the RL parameter; and a step in which the RNC updates the HSDPA related parameter and transmits it to the terminal. The parameter update information is delivered through an RL parameter update response message, and the RNC is a serving RNC.

Abstract: There is disclosed an azetidinones compound of the formula (I): Wherein, R is hydrogen, or hydroxy protecting group, R1 and R2 are each independently alkyl of 1-15 carbon atoms, benzyl or cycloalkyl of 5-6 carbon atom which may have substituent(s), R3 is low alkyl, or low alkyl ester, R4 is aryl, or aryl substituted with halogen, alkoxy of 1-6 carbon atom, nitro groups which is useful as a synthetic intermediate of the 1′&bgr;-methylcarbapenem-type antibacterial agent.

Abstract: In a mobile communication system including SRNC and DRNC for controlling a plurality of base station, and mobile stations, a method for controlling power of TFCI field for DSCH if DSCH-associated DCH exists in a soft handover situation includes determining whether a base station which transmits DSCH is a primary base station or not, number of base stations that transmits TFCI2, where the TFCI2 is information on the DSCH, setting a power offset according to a result of the determination, and transmitting the TFCI2 using the set power offset.

Abstract: A method of controlling a handover is disclosed that uses both a soft handover and a hard handover in an uplink synchronous transmission scheme to synchronize the reception timing between mobile stations in an area of a base station. The uplink synchronous timing of a mobile station established with respect to a first base station can be adjusted to the uplink synchronous timing of a second base station, after re-setting a radio link with the adjusted uplink synchronous information.