Samsung Electronics Co., Ltd.

Kyong-Joon Chun

Young-Khon Moon

Jung-a Yun

Yun-Je Oh

Jun-Ho Koh

Woo-Yong Lee

Hyun-Woo Lee

Ji-Hyun Park

Jin-Won Kim

Sun Myung Choi

Jin-Young Lee

Byung-Chang Kang

Jae-Seung Yoon

Joung-Kyou Park

Jung-Chul Huh

Dong-jun Kum

Byung-Jin Chun

Nak-Koo Kim

Sun-Gi Lee

Dong-Jun Kum

Yoon-Deock Lee

Eun-Hee Lee

Seung-Jae Han

Jae-Eun Yi

Kee-Sung Jung

Tae-Ho Yu

Jung-Soo 1807-1 Seongsu Academy Tower Jung

Beom-Sik 142-1203 Hwanggolmaeul Jugong Apt Bae

Dae-Gyun 228-1703 Sibeom Woosung Apt Kim

Hyeon-Woo 806-901 Byucksan Apt Lee

Disclosed is an apparatus and a method for automatically changing the broadcast channel for a mobile communication terminal adapted to receive digital multimedia broadcasts. The apparatus includes a memory unit for storing an adjacent area database and an area-wise broadcast channel database; a search unit for searching for broadcast channels and receiving broadcasts; and a control unit for determining the received field strength of at least one adjacent area frequency based on the adjacent area database during digital multimedia broadcast playback, and when a predetermined threshold is exceeded, determining that a movement into a corresponding adjacent area is occurring, the control unit controlling the search unit to search through broadcast channels of the adjacent area in the area-wise broadcast channel database to find a broadcast channel identical to a broadcast channel used for playback before the movement into the adjacent area.

Apparatus and method for automatically changing broadcast channel for mobile communication terminal adapted to receive digital multimedia broadcast

A data transmitting and receiving method between a mobile terminal and an information center in a navigation system is disclosed. The present invention is characterized in that if lower items of a destination are not received from the information center in the middle of receiving destination setting items to set the destination after the mobile terminal transmits a destination setting request message to the information center, the mobile terminal sends a reconnection request message and stored destination setting data.

Data transmitting and receiving method between a mobile terminal and an information center in a navigation system

An integrated remote control system capable of integrally remote-controlling a plurality of electronic devices is provided. The integrated remote control system includes an integrated remote controller for generating a radio control signal for each electronic device and transmitting the radio control signal through one infrared channel such that a plurality of electronic devices can be integrally remote-controlled, a remote control signal converting device for receiving a radio control signal controlling a predetermined electronic device in the integrated remote controller and transmitting the received radio control signal by inserting infrared channel data for the predetermined electronic device into the received radio control signal, and a re-transmitter for receiving the radio control signal including the infrared channel data from the remote control signal converting device, generating an infrared channel according to the infrared channel data, and re-transmitting the radio control signal to the predetermined electronic device through the infrared channel.

Integrated remote control system

Disclosed is a method for removing signal interference in a local radio communication device mounted in a mobile terminal. The method comprises receiving information on a channel in use from the mobile terminal in session; determining based on the received channel information whether a harmonic component of a channel frequency used by the mobile terminal belongs to a frequency band used by the local radio communication device; and assigning a channel in a frequency band with none of the harmonic component among the frequency band used by the local radio communication device as a channel of the local radio communication device, when the harmonic component of the channel frequency used by the mobile terminal belongs to the frequency band used by the local radio communication device.

Apparatus and method for removing signal interference in a local radio communication device mounted in a mobile terminal

Disclosed is a single or multi-route map matching apparatus in a system which provides a navigation service via a mobile communication terminal. The map matching apparatus comprises: an information center for calculating an optimum route to a destination inputted by a user based upon a present location of the mobile communication terminal, and generating a format of route data based upon the calculated optimum route; and an Intelligent Transportation System (ITS) terminal for detecting the present location of the mobile terminal to generate location data, processing the route data, performing map matching based upon the location data to determine whether the user travels on a given route or departs from the route, and performing road guidance based upon a result of the map matching.

Single or multiple route map matching apparatus for navigation service and method thereof

A system is provided for providing real-time search information, which comprises a mobile terminal for transmitting by radio a signal requesting detailed information about multimedia data and outputting detailed information received by radio in response to the request; a search system comprising an information database storing relevant information about multimedia data, checking whether any information in the information database matches multimedia data, about which detailed information has been requested, sending a signal requesting detailed information corresponding to the matching information, if any, and when the requested detailed information is received, transmitting the received detailed information to the mobile terminal; and a plurality of information providing servers for collecting detailed information corresponding to the matching information upon receiving a signal requesting the detailed information from the search system, and sending the collected information to the search system.

System and method for providing real-time search information

Disclosed is a broadcast/communication unified passive optical network system. The network system comprises: an optical line termination that time-division multiplexes the received digital broadcast signals, receives communication signals through the internet, and wavelength-division multiplexes and transmits the broadcast signals and the communication signals; a plurality of optical network units connected to the optical line termination in one-to-multi connection, each optical network unit receiving the broadcast signals and the communication signals from the optical line termination, time-division demultiplexing the broadcast signals, and sending the broadcast signals selected from the above broadcast signals in accordance with a subscriber control signal and the communicating signals; and, a plurality of setup boxes connected to the each optical network unit in one-to-multi connection, each setup box receiving the broadcast signals and communication signals from each corresponding optical network unit and sending the subscriber control signal inputted by a subscriber to the corresponding optical network unit.

Broadcast/communication unified passive optical network system

A method for transmitting and for storing destination information in a mobile communication terminal is disclosed. The method for transmitting destination information includes determining whether a navigation mode is enabled and, if the navigation mode is enabled, determining whether a hot key is pressed for a predetermined time. If the hot key is pressed for the predetermined time, destination address information corresponding to the hot key is read, and transmitted to an information center over a wireless network. Therefore, since a phone book of the mobile communication terminal is interworked with destination address information for navigation, the present invention simplifies procedures needed to transmit the destination address information using the mobile communication terminal.

Method for transmitting destination information in mobile communication terminal

A mobile terminal for controlling a vehicle using a short message by establishing authentication information to establish mutual authentication between the vehicle acting and a mobile terminal. The mobile terminal requests initial information needed for an automatic control function from the vehicle using the authentication information, and checks the vehicle's automatic control available items associated with the initial information received from the vehicle. Upon receiving user's selection information needed for the automatic control function, the mobile terminal generates a short message containing a control command corresponding to items from among the checked automatic control available items, and transmits the short message to the vehicle. The user uses a short message in a mobile communication network to remotely control a vehicle. User interface using icons allow the user to conveniently control the vehicle at a remote site.

Mobile communication terminal for controlling a vehicle using a short message and method for controlling the same

There is provided an antenna array apparatus using a GPS signal in a base station and a beamforming method thereof. In the antenna array apparatus, a GPS signal processor receives GPS position information from a mobile station and calculates the position information of the mobile station. A signal processor calculates a weight vector using the position information to form a transmission/reception beam. A transmission/reception beamformer forms the transmission/reception beam according to the weight vector.

Antenna array apparatus and beamforming method using GPS signal for base station in mobile telecommunication system

A navigation system utilizing a paging channel of a mobile communication service for a navigation apparatus including a mobile communication function is disclosed, which comprises: a BSC-based traffic server for periodically extracting/synthesizing traffic information in an area of a BSC, and then transmitting the traffic information of a peripheral area including the BSC; and a BSC for inserting the traffic information received from the BSC-based traffic server into the paging channel for a mobile communication terminal, and then transmitting it. In the navigation system, traffic conditions information in a corresponding area is transmitted by means of a paging channel, thereby utilizing real time traffic information while maintaining the architecture of the existing mobile communication network without an additional apparatus and communication cost.

Navigation system using a paging channel and a method for providing traffic information

A system and method for determining a handoff target base station in a mobile communication system according to a direction of travel of a mobile station are provided. The mobile station measures strengths of pilot signals transmitted from base stations in proximity thereto and transmits information about the measured strengths to a base station controller (BSC). The BSC selects one of the base stations as the handoff target base station depending on the measured strength information and relative location of the mobile station with respect to each of the base stations. In an alternate embodiment, the mobile station selects the handoff target base station based on weights assigned to each base station according to a predicted direction of travel for the mobile station. The mobile station then selects one of the base stations as the handoff target base station depending upon the measured strengths and weights.

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Seoul, South Korea

Kyong-Joon Chun