Samsung Electronics Co., Ltd.

Gui-Jung Lee

Young-Cheol Ham

Moo-Yeon Woo

Doo-Yong Yang

Dong-Youl Lee

Soon-Phil Lee

Jung-Gi Kim

Chang-Rae Jeong

Tae-Young Kil

Seon-Soo Rue

Tae-Hoon Park

Ji-Sook Kim

Ha-Hong Kim

Chang-Young Song

Won-Woo Chae

Hyuk-Jin Ko

Jae-Hyeon Oh

A network switch and a method of preventing an IP address collision is provided. When a new node tries to use an IP address, which is being used in one broadcast domain, it is possible to detect and prevent an IP address collision in real-time, disconnect only the new node which caused the IP address collision, and quickly resolve network environment to the original state that existed prior to the collision, in order to prevent communication breakdown without the use of an additional device.

Network switch and method of preventing IP address collision

A method for operating wired and wireless phone services interconnectively, includes: receiving a subscriber registration application for wired and wireless services from an arbitrary extension subscriber; performing wired and wireless service registrations in each of the extension subscribers by endowing at least one of the wired terminals and public/private mobile communication terminals with a wired phone number in accordance with the subscriber registration application; making a call to the wired terminal corresponding to the corresponding wired phone number in the case that an arbitrary wired phone number is called, and making a call to the corresponding public/private mobile communication terminal through a mobile communication network in the case that there is the public/private mobile communication terminal to be called simultaneously interconnectively to the wired phone number; and performing a billing according to a usage of the wired and wireless services in each of the extension subscribers. Therefore, a general wired subscriber is provided with the wired phone service and a service of portability through the wireless terminal, and a subscriber's accounting burden can be reduced.

Method for operating wired and wireless phone services interconnectively

An apparatus and method for controlling a wireless terminal, including parameter information to control a camera function of the wireless terminal is set, a camera control message to automatically control the camera function is set to be transmitted through a message transmission unit, the wireless terminal obtains the camera control message periodically transmitted from the message transmission unit, and a camera mode is automatically converted through parameter information of the obtained camera control message, so that it is possible to protect the camera function of the wireless terminal from malicious use.

Apparatus and method for controlling wireless terminal

A call processing method and apparatus in a private wireless communication system or WPBX, by which when the WPBX service subscriber originates a PLMN voice call in the private wireless communication service zone without inputting the preset identification number, the call is forwarded to the PSTN and/or wired/wireless Internet linked to the WPBX instead of being sent to the PLMN so that the WPBX service subscriber can be provided with a more convenient communication service at a cheaper price when he/she wants to be provided with the PLMN service.

Call processing method and apparatus in a private communication system

A method and system for supporting mobility of a mobile node in which, when it is recognized that the mobile node has moved into a foreign sub-network, the mobile node is allocated, by its home sub-network, a new Internet protocol address suitable for a prefix of the foreign sub-network after movement when moving out of an area of the home sub-network into the foreign sub-network so that route optimization is implemented. Since direct communication is made between a mobile node and a correspondent node without passing a network where the mobile node existed before movement, it is possible to implement the route optimization. There is no generation of packet overhead since Internet protocol tunneling technology is not applied upon routing.

Method and system for supporting mobility of mobile terminal

A complex wireless service apparatus using wired and wireless communication systems and a method thereof includes, when a call of the complex wireless terminal is not reachable, a call forwarding is automatically tried through another network by making a location of a service user to be registered automatically using the complex wireless terminal, and the service user can make a speech without any disconnection using a hand off between networks for the complex wireless terminal when the user moves from one network to another network during making a call. A home location register stores a database of a mobile communication phone number for the complex wireless terminal, whether an extension is located inside or outside, a public phone number, and a wireless terminal unique number. Moreover, in the case that there is an incoming request for the complex wireless terminal, when the complex wireless terminal is located in the premises, a mobile switching center tries the incoming using the public phone number of the complex wireless terminal and a wireless terminal unique number with reference to the home location register.

Complex wireless service apparatus using wired and wireless communication systems and method thereof

A public land mobile network (PLMN)/private wireless network-integrated service network and a system for the service network. The service network according to the present invention can interwork with any PLMN with no dependence on an upper system. In the present invention, there is no need for a public BSC and a separate private BSC. The novel BSC handles both public and private data and voice calls placed from or placed to a mobile station or terminal. The novel BSC enables a wireless phone or terminal to place and receive calls using either the public communications network or the private communications network. Thus, the need for a redundant private BSC is eliminated while providing the diversity of services to mobile stations.

Public land mobile network/private wireless network-integrated service network and system for the same

A system for interconnecting wired and wireless phone services in accordance with the present invention includes at least one of first wired terminals; public/private mobile communication terminals which are registered in public and private mobile communication networks; a private base station which constructs a wireless communication path with an arbitrary mobile communication terminal in its service area and manages wireless resources for the mobile communication; and a wired and wireless interconnecting apparatus which is connected to a public phone network and the private base station, constructs an internal network formed of the first wired terminals and the public/private mobile communication terminals to endow each of the terminals with a wired phone number, makes a call to a wired terminal in the case that there is a call to an arbitrary first wired terminal, and performs a switching function to simultaneously make a call to the public/private mobile communication terminal assigned to the first wired terminal. Therefore, a general wired subscriber is provided with the wired phone service and a service of portability through a wireless terminal, and the subscriber's accounting burden can be reduced.

System for interconnecting wired and wireless phone services and method for processing call

A hybrid base station transceiver has an ATM matching unit for connecting a wireless terminal to an ATM-based communication network; an IP matching unit for connecting a wireless terminal to an IP-based communication network; a channel and RF processor for performing physical connection protocol processing and RF transceiving processing with the wireless terminal; and a routing processor for determining which network to which the wireless terminal is to connect to by analyzing a signal of OSI Layeror Layerreceived from the wireless terminal and for connecting the wireless terminal to the ATM-based or IP-based communication network through the channel and RF processor according to the analysis.

Hybrid base station transceiver for plural networks

An apparatus, method and system for matching subscriber states in network in which public land mobile network and wired/wireless private network are interworked are disclosed. The system matches subscriber state information of the public network to subscriber state information of the private network by allowing the private network to transmit state information of a mobile station toward the public network, the mobile station being located in a public and private cell area. The method includes the steps of a) allowing the private network to check state of a mobile station located in a public and private cell area and transmit the subscriber state information associated with the mobile station toward the public network; and b) allowing the public network to receive the subscriber state information and update the state of the mobile station in a visitor location register. The step a) is carried out when the state of the mobile station is changed or when an incoming signal from the public network is directed to the mobile station, which is in a local-area call connection state.

Apparatus, method and system for matching subscriber states in network in which public land mobile network and wired/wireless private network are interworked

A system for providing a private mobile communication service separately from a public mobile communication network and method of processing a call using the same. The system includes a mobile station for establishing a radio communication channel with a private BTS (pBTS) when it moves from a public-only cell to a public/private common cell; and establishes a traffic channel with the pBTS if an identifier is added to a dialed number, and establishes a traffic channel with a public BTS if the identifier is not added. A private communication service apparatus determines, if a traffic channel request is received from the mobile station, whether the mobile station is a subscriber to the private mobile communication service, establishing a radio communication channel if the mobile station is a subscriber, and establishing a traffic channel over a private network and a public switched telephone network.

System for providing private mobile communication service separately from public mobile communication network and method of processing call using the same

A private mobile communication system is for providing a public network busy state information of a mobile communication terminal. The private mobile communication system for informing a call origination mobile communication terminal of a public network busy state of a mobile communication terminal registered in a mobile communication system includes an HLR (Home Location Register) having a parameter indicating a public network busy state with respect to each mobile communication terminal registered in a private mobile communication system, and a message routing module for setting up a public network busy state of the mobile communication terminal in the case where the mobile communication terminal performs a call origination or a call reception over a public mobile communication network within a private mobile communication network.

Private mobile communication system for providing public network busy state information of mobile communication terminal

A multi-sector in-building repeater, including: a master transmitting unit for receiving multi-sector signals of a carrier from a base station, mixing the multi-sector signals with different transmission intermediate frequency signals, and outputting mixed multi-sector signals to a same transmission line; a plurality of slave transmitting units for extracting sector signals assigned to the multi-sector signals from the master transmitting unit, converting extracted sector signals into high frequency signals, and transmitting converted high frequency signals through an antenna to a mobile terminal.

Multi-sector in-building repeater

The present invention relates to an apparatus and method for communication service, through which a mobile station in a service area shared by a predetermined public and private mobile network is capable of getting public mobile communication network service together with private wire and mobile communication network service, the apparatus including: a base station transceiver subsystem located in the predetermined service area for providing a mobile channel with a mobile station in the service area; a communication path provider, which is connected to at least one of the base station transceiver subsystem, a base station controller of public mobile communication network, a private switch, and wire public network, for providing a communication path to be able to transmit data of the base station transceiver subsystem; a call manager, which analyzes messages that are received through the communication path provider, sorts out public mobile communication network service and private wire and mobile communication network service, and manages corresponding service calls; and a gateway, which is connected to the call manager through local area communication network, and based on signal information exchange with the call manager through the local area communication network, matches with wire communication network including the communication path provider, the private switch, and wire public communication network to transmit voice data for use of public mobile communication network service and private wire and mobile communication network service.

Service apparatus and method for public mobile communication network, and private wire and mobile communication network

A service apparatus for a public and private mobile communication network in a mobile communication service system including a public mobile communication network and a private mobile communication network. The service apparatus includes a device for connecting a public mobile communication service system to a private mobile communication service system, and providing a mobile station in a predetermined service area with both a public mobile communication service and a private mobile communication service. The device includes a base station transceiver subsystem (BTS) located in the predetermined service area, for forming a radio channel to the mobile station in the service area; a communication path provider connected to the BTS, a base station controller (BSC) in the public mobile communication service system and a mobile switching center (MSC) of the private mobile communication service system, said communication path provider providing a communication path for transmitting data of the service system and data of the BTS; and a call manager for distinguishing the public mobile communication service from the private mobile communication service by analyzing data received through the communication path, and performing call management for the corresponding service.

Growing community of inventors

Yongin-si, South Korea

Gui-Jung Lee