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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Choi; Sung-Ho
Address:
Songnam-shi, KR
No. of patents:
50
Patents:












Patent Number Title Of Patent Date Issued
7995552 Apparatus and method for transmitting TFCI bits for a hard split mode in a CDMA mobile communica August 9, 2011
An encoding method and apparatus for a DCH (Dedicated Channel) encoder and a DSCH (Downlink Shared Channel) encoder in a transmitter for a mobile communication system including the DCH encoder for encoding k bits among 10 input TFCI (Transport Format Combination Indicator) bits and the
7983698 Paging apparatus and method in a mobile communication system providing multimedia broadcast mult July 19, 2011
A paging apparatus and method in a mobile communication system providing an MBMS (Multimedia Broadcast Multicast Service). In the mobile communication system, to page a UE for a first service through a primary carrier during a second service in progress through a secondary carrier, a
7747262 Paging apparatus and method in a mobile communication system providing multimedia broadcast mult June 29, 2010
A paging apparatus and method in a mobile communication system providing an MBMS (Multimedia Broadcast Multicast Service). In the mobile communication system, to page a UE for a first service through a primary carrier during a second service in progress through a secondary carrier, a
7633899 Method for transmitting and receiving common information in a CDMA communication system providin December 15, 2009
A communication system supporting an HSDPA (High-Speed Downlink Packet Access) service. In order to transmit common information to at least two UEs (User Equipments) among a plurality of UEs supporting the HSDPA service, the system transmits control information including common ID in
7630725 Paging apparatus and method in a mobile communication system providing multimedia broadcast mult December 8, 2009
A paging apparatus and method in a mobile communication system providing an MBMS (Multimedia Broadcast Multicast Service). In the mobile communication system, to page a UE for a first service through a primary carrier during a second service in progress through a secondary carrier, a
7609667 DPCH multiplexing apparatus and method for outer loop power control in a W-CDMA communication sy October 27, 2009
Disclosed is a method for transmitting a dedicated physical data channel signal over a dedicated physical data channel in the absence of transmission data to be transmitted over the dedicated physical data channel in order to properly maintain a target SIR (Signal-to-Interference Rat
7515922 Method of transmitting/receiving control message in a mobile communication system providing mult April 7, 2009
A control message transmitting/receiving method in an MBMS-supporting mobile communication system. In the present invention, an RNC periodically transmits control messages related to MBMS RB setup to UEs. Thus, although a UE initially fails to receive an intended MBMS service, it can
7512086 Method of assigning an uplink random access channel in a CDMA mobile communication system March 31, 2009
Disclosed is an uplink random access procedure in an NB-TDD (Narrow Band Time Division Duplexing) system. To achieve an acknowledgement for data transmission from a UTRAN (UMTS Terrestrial Radio Access Network), a UE selects one of a plurality of sync codes by which the UTRAN identifies
7450611 Apparatus and method for transmitting and receiving TBS information in an HSDPA communication sy November 11, 2008
An HSDPA (High Speed Downlink Packet Access) communication system is disclosed. A Node B reduces a size of a field transmitting TBS (Transport Block Set) information for user data based on an MCS (Modulation and Coding Scheme) level assigned to the user data and the number of codes a
7450545 Apparatus and method for determining soft handover in a CDMA mobile communication system providi November 11, 2008
An apparatus and method determines soft handover in a Code Division Multiple Access (CDMA) mobile communication system supporting a Multimedia Broadcast Multicast Service (MBMS) service. In the CDMA mobile communication system supporting an MBMS service, when a User Equipment (UE) mo
7428424 Apparatus and method for power control of downlink shared channel in mobile communication system September 23, 2008
An apparatus and method for controlling the transmission power of a DSCH in a mobile communication system is disclosed. In the DSCH transmission power controlling method, a UE generates information for controlling the transmission power of the DSCH based on a channel condition determined
7426680 Apparatus and method for transmitting TFCI bits for a hard split mode in a CDMA mobile communica September 16, 2008
An encoding method and apparatus for a DCH (Dedicated Channel) encoder and a DSCH (Downlink Shared Channel) encoder in a transmitter for a mobile communication system including the DCH encoder for encoding k bits among 10 input TFCI (Transport Format Combination Indicator) bits and the D
7408893 DPCH multiplexing apparatus and method for outer loop power control in a W-CDMA communication sy August 5, 2008
Disclosed is a method for transmitting a dedicated physical data channel signal over a dedicated physical data channel in the absence of transmission data to be transmitted over the dedicated physical data channel in order to properly maintain a target SIR (Signal-to-Interference Rat
7395076 Paging apparatus and method for MBMS service in a mobile communication system July 1, 2008
A method for paging user equipments (UEs) receiving a second service in a mobile communication system providing a first service and the second service. A serving General Packet Radio Service (GPRS) support node (SGSN), determines an identifier indicating the second service and a coef
7372842 Apparatus and method for minimizing a non-transmittable period due to a compressed mode in a mob May 13, 2008
An apparatus and method for minimizing a non-transmittable period where high-speed packet data transmission is impossible. In the apparatus, a non-transmittable period calculator receives transmission gap-related information for a UE from a radio network controller, calculates a tran
7372836 Method of transmitting control data in CDMA mobile communication system May 13, 2008
A device and method for configuring an UL-DPCCH. One or more UL-DPCCHs, especially a UL-DPCCH for supporting HSDPA, are constructed in code division multiplexing and transmitted according to the characteristics of control information. The UL-DPCCH of the present invention that delivers
7359345 Signaling method between MAC entities in a packet communication system April 15, 2008
A signaling method between a MAC (Medium Access Control) layer entity of a transmission apparatus and a MAC layer entity of a reception apparatus in a packet communication system including the transmission apparatus and the reception apparatus wherein upon receiving a signaling request,
7313116 Method of performing inter-RAT measurement for a handover from NB-TDD to GSM December 25, 2007
A method of performing an inter-RAT measurement for a handover from NB-TDD to GSM is provided. A UE, as it moves from an NB-TDD Node B to a GSM cell, receives a measurement control message from the NB-TDD Node B. The UE then measures the strength of a signal received from the GSM cell an
7307971 Soft handover method for multimedia broadcast/multicast service in a CDMA mobile communication s December 11, 2007
A method for providing soft handover in a code division multiple access mobile communication system supporting multicast multimedia broadcast service. In an asynchronous mobile communication system supporting an MBMS service, when a UE moves to a region where it can receive data from
7301927 Apparatus and method for multimedia broadcast/multicast service in a mobile communication system November 27, 2007
A method and apparatus for providing an MBMS (Multimedia Broadcast/Multicast Service) service to user equipments (UEs) that desire to receive the MBMS service, in a code division multiple access (CDMA) mobile communication system including a plurality of radio network controllers (RN
7299065 Method for transmitting HSDPA service information in a CDMA mobile communication system November 20, 2007
A method for transmitting information in a mobile communication system using HSDPA (High Speed Downlink Packet Access) service. When an RNC (Radio Network Controller) generates or changes HSDPA service-related information, it transmits the generated or changed information to a Node B
7286563 Method for resetting MAC layer entity in a W-CDMA communication system using HSDPA October 23, 2007
A method for resetting a MAC-hs (Medium Access Control-high speed) layer entity in a communication system using HSDPA (High Speed Downlink Packet Access). When an RLC (Radio Link Control) layer entity is reset due to occurrence a protocol error, the system resets both a MAC-hs layer enti
7286540 Method for allocating HARQ channel number for indicating state information in an HSDPA communica October 23, 2007
There is provided a method for allocating channel numbers to channel signals by a Node B, which repeatedly transmits a stream of n channel signals to a UE (User Equipment), each of the channel signals including a channel number and transmission data, the n channel signals having (n+1)
7283508 Apparatus and method for transmitting/receiving serving HS-SCCH set information in an HSDPA comm October 16, 2007
A communication system includes a shared channel occupied by a plurality of user equipments (UEs) and spread with a plurality of channelization codes to transmit user data, and a plurality of control channels for transmitting control information related to the shared channel in order
7277407 Apparatus and method for controlling transmit antenna array for physical downlink shared channel October 2, 2007
In a mobile communication system, if a UE enters a SHO (Soft Handover) region, the UE determines weight information for a DPCH and a PDSCH depending on DPCH signals and PDSCH signals received from Node Bs, and transmits the determined weight information to the Node Bs. The Node Bs th
7266107 Apparatus and method for allocating a common channel in a CDMA mobile communication system September 4, 2007
Disclosed is a method for setting a common channel for a packet data service by an SRNC through a UE and a DRNC when the UE is handed over from a first Node B to a second Node B as the UE moves to the second Node B, in a mobile communication system. The SRNC transmits service paramet
7236474 Apparatus and method for reporting quality of downlink channel in W-CDMA communication systems s June 26, 2007
An apparatus for reporting downlink channel quality in a high-speed packet communication system. A channel analyzer measures downlink channel quality from a received reference channel signal. A controller determines whether a current TTI (Transmission Time Interval) is a TTI correspondin
7233577 Method for measuring confusion rate of a common packet channel in a CDMA communication system June 19, 2007
A method is disclosed for determining by a UTRAN a persistence value having a value between 0 and 1 for adjusting a number of access preambles from a plurality of UEs requiring assignment of a common packet channel (CPCH). The method includes the steps of counting a number of the access
7227854 Apparatus and method for transmitting CQI information in a CDMA communication system employing a June 5, 2007
A user equipment (UE) located in a soft handover region transmits channel quality indicator (CQI) information bits for informing a Node B of quality of a downlink channel through a CQI field and a high speed pilot (HS-Pilot) field constituting a subframe of an uplink secondary dedicated
7209463 Transmission time adjusting apparatus and method between RNC and UE in a CDMA communication syst April 24, 2007
A method of adjusting the transmission time of data in a CDMA communication system. A UE (User Equipment) measures the time difference between the received time of a downlink DPCH (Dedicated Physical Channel) and the transmitted time of an uplink DPCH and reports it to an RNC (Radio
7209456 Method for determining power offset of HS-PDSCH in an asynchronous CDMA mobile communication sys April 24, 2007
In an asynchronous CDMA mobile communication system supporting HSDPA (High Speed Downlink Packet Access), in order to assign power to a high speed physical downlink shared channel (HS-PDSCH), a power offset is determined and then provided to a Node B and a user equipment (UE). For this,
7200124 Signal measurement apparatus and method for handover in a mobile communication system April 3, 2007
An RNC determines parameters available for measurement of a synchronization signal and second Node B information from a second Node B, transmits the determined parameters to a first Node B during radio link setup and to a UE during radio bearer setup, and transmits parameter selectio
7197021 Apparatus and method for transmitting/receiving uplink transmission power offset and HS-DSCH pow March 27, 2007
A high-speed packet data communication system, wherein a channel condition determiner measures a signal-to-interference ratio (SIR) of a first uplink dedicated channel signal received from a UE, and calculates a difference between the measured SIR and a preset target SIR; a transmiss
7171212 Method for setting up signaling connection in a mobile communication system January 30, 2007
A method for setting up signaling connection between an RNC and an SGSN in a mobile communication system is provided. Upon receiving a service request for a particular MBMS service from a particular UE, an RNC determines whether it is necessary to set up new signaling connection for
7164650 Method for transmitting/receiving information about orthogonal variable spreading factor codes a January 16, 2007
A method of transmitting and receiving information about successive orthogonal codes assigned to user data for spreading on a control channel before transmission of the user data on a plurality of code channels in an HSDPA (High Speed Data Packet Access) communication system. A Node B
7130295 Data retransmission apparatus and method in a mobile communication system October 31, 2006
Disclosed is an apparatus and method for retransmitting data in a mobile communication system. A MAC-h (Medium Access Control-high speed) layer transmits, to an RLC (Radio Link Control) layer, received data and information on whether a retransmission process on errored data is being
7120132 Apparatus and method for synchronization of uplink synchronous transmission scheme in a CDMA com October 10, 2006
Disclosed is a method for synchronizing a scrambling code in a CDMA communication system including a UTRAN (UMTS Terrestrial Radio Access Network) and a plurality of user equipments (UEs), using orthogonal codes for identifying the UEs and a single scrambling code for identifying the
7113496 Apparatus and method for assigning a common packet channel in a CDMA communication system September 26, 2006
Disclosed is a method for indicating an end of transmitting data frames in order to enable a UTRAN (UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access Network) to assign a common packet channel to another user equipment (UE) in a UE for a CDMA mobile communica
7088700 Apparatus and method for coding/decoding TFCI bits in an asynchronous CDMA communication system August 8, 2006
Disclosed is an apparatus for encoding TFCI bits in an asynchronous CDMA mobile communication system including a UE and a Node B for transmitting packet data to the UE. A TFCI bit generator creates the TFCI bits, the number of which is variable depending on an information bit ratio of th
7082108 Apparatus and method for controlling transmission power in an NB-TDD CDMA communication system July 25, 2006
A TDD (Time Division Duplexing) CDMA (Code Division Multiple Access) communication system performs power control in a closed-loop power control mode in a data transmission period, but performs the power control using a modified open loop power control method and an open loop power co
7068638 Apparatus and method for coding/decoding TFCI bits in an asynchronous CDMA communication system June 27, 2006
A method for decoding received data in a decoder which receives data from an encoder varying a length of a Walsh code according to a coding rate of transmission data, and has maximum IFHT (Inverse Fast Hadamard Transform) stages capable of decoding even the data encoded by a Walsh code w
7031277 Method for performing USTS handover and USTS mode switching in a mobile communication system April 18, 2006
Disclosed is a handover controlling method in an RNC connected to a first Node B and a second Node B in a mobile communication system where a USTS service occurs between the first Node B and a UE within a cell of the first Node B and the UE hands over when the UE is located in a handover
7020126 Apparatus and method for transmitting TFCI bits in a CDMA communication system March 28, 2006
A method for transmitting TFCI for DSCH and TFCI for DCH in a CDMA communication system is disclosed. A SRNC (Serving Radio Network Controller) transmits DSCH data to a DRNC (Drift RNC). Upon receipt of the DSCH data from the SRNC, the DRNC determines transmission time of the DSCH da
7010318 Power control apparatus and method for a W-CDMA communication system employing a high-speed down March 7, 2006
Disclosed is a method for controlling uplink transmission power in a handover region by a UE in communication with a Node B using an FCS scheme. The UE stores TPC commands received for a specific duration from a plurality of cells in an active set, if the UE enters in the handover re
7010317 Apparatus and method for transmitting TFCI used for DSCH in a W-CDMA mobile communication system March 7, 2006
Disclosed is a method for determining transmission power of a second TFCI bit indicating transport format information of data on a downlink shared channel transmitted from a selected Node B to a UE in a mobile communication system including the UE existing in a handover zone and a pl
6963540 Apparatus and method for assigning a common packet channel in a CDMA communication system November 8, 2005
A method for broadcasting channel information, available channel and data rate of a base station in a CDMA communication system. The base station receives information indicating that a mobile station has data to transmit, over an access preamble channel. The base station transmits use
6956829 Apparatus and method for measuring propagation delay in an NB-TDD CDMA mobile communication syst October 18, 2005
Disclosed is a method for measuring a propagation delay value of a frame transmitted by a UE (User Equipment) to a Node B in a TDD (Time Division Duplexing) mobile communication system. The UE acquires synchronization with the Node B based on a downlink pilot channel signal transmitted i
6934526 Method for controlling transmission point of a dedicated channel in a CDMA communication system August 23, 2005
Disclosed is provided a method for switching an operation mode from a non-USTS to a USTS mode in a Node B capable of communicating with a UE in both the non-USTS mode and the USTS mode. The Node B calculates a difference value between a start point of a downlink dedicated channel fra
6885653 Apparatus and method for allocating channel using OVSF code for uplink synchronous transmission April 26, 2005
Disclosed is a channel allocation method in a CDMA communication system. The method comprises receiving from a UTRAN one SF node C.sub.SF,k out of 2.sup.m-1 SF nodes (where m is an integer larger than 3) arranged in the form of a tree having a mother node and child nodes; searching a gro
6757536 Method of providing site selection diversity in mobile communication system June 29, 2004
There is provided a method of providing site selection diversity in a mobile communication system. If an active set is updated, the category of the old active set is compared with that of the updated active set. According to the comparison result, station (BS) identification (ID) codes










 
 
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