Patent application number | Description | Published |
20080276015 | DEVICE OF IDENTIFYING HOST PROTOCOL AND SMART CARD INCLUDING THE SAME - The present invention provides an integrated circuit chip which includes a processor; a contact pad unit connected to a host through a plurality of contact pads; a host interface detector including at least one pull-up resistor and one pull-down resistor, for selectively connecting the pull-up resistor and the pull-down resistor to the contact pad unit to detect a host interface status; and an interface unit including a plurality of interface protocols, for communicating with the host using a part or all of the plurality of contact pads, wherein the processor receives a status of the host from the host interface detector, identifies a protocol of the host based on the received status of the host, and controls the interface unit so as to enable an interface protocol that is used to communicate with the host. | 11-06-2008 |
20110231608 | Multi-channel integrated circuit card and method of controlling the same - A system and method for controlling a memory card are provided. The system may include a memory card and a host. The memory card may have a plurality of data transceiving channels, and the host may selectively activate the data transceiving channels in the memory card and transmit a plurality of commands to the activated data transceiving channels. | 09-22-2011 |
20120005488 | ENCRYPTION PROCESSOR OF MEMORY CARD AND METHOD FOR WRITING AND READING DATA USING THE SAME - An encryption processor, for storing encrypted data in a memory chip of a memory card, includes a FIFO memory for sequentially outputting m-bit data in response to a first signal, and an encryption key generator for generating m-bit encrypted keys (m being a positive integer) in response to a second signal and for sequentially outputting the keys in response to a third signal. A logic operator performs a logic operation on the data from the FIFO memory with the keys from the encryption key generator during a data write operation to sequentially encrypt the data. The logic operator performs a logic operation on the encrypted data received from a memory interface with the keys output from the encryption key generator during a data read operation in order to sequentially decode the encrypted data. The second signal is simultaneously generated with one of the write command or the read command. | 01-05-2012 |
20130003629 | PAGING METHOD AND APPARATUS FOR COMMUNICATION OF M2M/MTC DEVICE OPERATING IN HIGH POWER SAVING RECEPTION MODE IN A MOBILE COMMUNICATION SYSTEM, AND SYSTEM THEREOF - method is provided for communicating with a User Equipment (UE) supporting a High Power Saving Reception Mode (HPSRM) mode by an evolved Node B (eNB) in a wireless communication system. The method includes receiving Discontinuous Reception (DRX) cycle information from a network entity performing mobility management for the UE by the eNB communicating with the UE over a wireless link; and broadcasting system information including the DRX cycle information. The DRX cycle information is set longer than DRX cycle information of a UE non-supporting the HPSRM mode. By doing so, an efficient paging method for an UE operating in the HPSRM mode may be provided. | 01-03-2013 |
20140023032 | METHOD AND APPARATUS FOR EFFICIENTLY TRANSMITTING INFORMATION ACQUIRED BY A TERMINAL TO A BASE STATION - The invention relates to a communication method for a terminal, which enables the transmission of information to a base station and which comprises the steps of: attempting random access to a first base station; creating an rlf-report including one or more pieces of information associated with the random access in the event the random access fails; connecting to one base station from among base stations including the first base station; and transmitting the rlf-report to the connected base station. According to one embodiment of the present invention, a communication method for a base station, which enables information to be received from a terminal, comprises the steps of: connecting to the terminal; and receiving an rlf-report including one or more pieces of information associated with the random access from the connected terminal when a previously-performed random access in the terminal has failed. According to the embodiments of the present invention, information including channel information is transmitted to a base station to which a terminal is initially connected even when the terminal has failed in performing random access thereto, to thus enable the efficient transmission of information, and the base station may control scheduling or the like in accordance with the information reported by the terminal, thereby enabling efficient communication. | 01-23-2014 |
20140079013 | USER EQUIPMENT AND METHOD FOR MANAGING BACKOFF TIME IN THE USER EQUIPMENT - The present invention relates to a method for efficiently controlling an MTC device attempting a delay tolerant access in a 3GPP system. The present invention provides a method for effectively providing a backoff time to prevent load on a wireless network, which can occur when many MTC devices in a single cell simultaneously attempt access. | 03-20-2014 |
20140126458 | METHOD OF PROCESSING SIGNALING OF TERMINALS OF SUBSCRIBERS IN A MOBILE COMMUNICATION SYSTEM - The present invention relates to a method and a device that control signals for a plurality of terminals possessed by the same user. More particularly, a method of controlling signals for a plurality of terminals using a mobility management entity (MME) according to an embodiment of the present invention is characterized by including the steps of: setting terminals with the same subscriber codes and the same mobility as grouping terminals; and transmitting group signals on the grouping terminals to a base station. According to the present invention, the following advantages are realized: of enabling the prevention of waste in having to report mobility-related information on each terminal and being able to simultaneously transmit grouping or other signals to all terminals that are in a group in a network. | 05-08-2014 |
20140161111 | METHOD AND APPARATUS FOR TRANSMITTING DATA USING A MULTI-CARRIER IN A MOBILE COMMUNICATION SYSTEM - Transmitting data using a multi-carrier in a mobile communication system by transmitting data in user equipment of a wireless communication system using a carrier aggregation technique including setting secondary cells included in an S-TAG (Secondary-Timing Advance Group) configured of only secondary cells (SCells), deactivating a downlink timing reference cell in the S-TAG, determining whether other activated secondary cells exist besides the deactivated downlink timing reference cell in the S-TAG, and when the other activated secondary cells exist in the S-TAG, setting one of the other activated secondary cells as a new downlink timing reference cell. Accordingly, the uplink transmission speed can be increased in the user equipment and user QoS can be improved by transmitting data using one or more uplink carriers in the terminal. | 06-12-2014 |
20140295820 | METHOD AND APPARATUS FOR EFFECTIVELY REDUCING POWER CONSUMPTION OF TERMINAL IN MOBILE COMMUNICATION SYSTEM - The present disclosure relates to a method and apparatus for effectively reducing power consumption of a terminal in a mobile communication system. A method of controlling a discontinuous reception operation of a signal for a terminal in a wireless communication system includes the steps of: measuring velocity-related information of the terminal; transmitting the measured velocity-related information to a base station; receiving from the base station, in response to the transmission of the velocity-related information, discontinuous reception operation set information for a variable discontinuous reception operation; and performing the discontinuous reception operation according to the received discontinuous reception operation set information. | 10-02-2014 |
20140348050 | METHOD AND APPARATUS FOR USER EQUIPMENT RECEIVING MBMS SERVICE PROCESSING SEMI-PERMANENT SCHEDULING FROM MBSFN SUBFRAME IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and an apparatus for a user equipment receiving MBMS service processing a semi-permanent scheduling from an MBSFN subframe. A method for a user equipment receiving the multimedia broadcast multicast service (MBMS) processing a downlink scheduling in a mobile communication system of the present invention comprises: a detection step of detecting the occurrence of the downlink scheduling in a random transmission time interval; a decision step of deciding whether to process the downlink scheduling, depending on whether the user equipment is set to a transmission mode 9 or whether the transmission time interval belongs to a multimedia broadcast multicast service single frequency network (MBSFN) subframe; and a processing step of processing or disregarding the downlink scheduling based on the result of the decision. | 11-27-2014 |
20150078286 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA USING PLURALITY OF CARRIERS IN MOBILE COMMUNICATION SYSTEM - The present invention relates to a method and apparatus for transmitting and receiving data using a plurality of carriers in a mobile communication system. The communication method by a terminal according to one embodiment of the present invention includes the steps of: receiving a secondary cell (SCell) adding command including setting information on an SCell to be added from a primary serving cell (PCell); transmitting a preamble to the SCell to be added; receiving a random access response message (RAR) for the SCell to be added; and, if the SCell adding command includes an indicator indicating that a first base station to which the SCell to be added belongs and a base station to which the PCell belongs are different from each other, applying parameters included in the RAR to the SCell that transmits the RAR. According to the embodiment of the present invention, by aggregating carriers between different base stations, a terminal can have increased chances of transmitting and receiving data at high speed through the carrier aggregation. | 03-19-2015 |