Abstract: The present invention relates to a method for providing a download and upload service using variable length packet communication in a living network control system. For example, a user located inside or outside a house controls or monitors operations or operation states of various appliances such as refrigerator or laundry machine through a living network installed at home, such as a RS-485 network, small output network, or power line network so that convenience of remote control and supervision can be provided to a user. Further, in a case where a download or upload service is executed in a living network in which various appliances connected thereto, variable length packet communication, which is capable of diving data by the buffer size of a device, and then sending and assembling the data, is used so that a download and upload service for various appliances connected through the living network can be more effectively executed.

Abstract: A packet structure and a packet transmission method of a network control protocol. A user in the inside or outside of the house can effectively control various home appliances such as refrigerator or laundry machine or monitor operation state of the devices, over the living network such as RS-485 network, low-power RF network, and power line network so that the user can enjoy the remote control and the convenient monitoring. In addition, the packet structure for the inter-layer interface of the network control protocol can be managed. The packet structure at the application layer is generated by assigning one of an application layer protocol data unit header, a request message, a response message, and an event message, together with an application layer protocol data unit header The generated packet at the application layer is transmitted to thus interface layers of the network control protocol. Therefore, the packet structure at the application layer can be more efficiently managed and transmitted.

Abstract: The present invention relates to a device for a network system and a method of transmitting a profile in a network system. The method provides a user with convenience in remote control and monitoring operation of appliances. By this method, a user, for example, who is locating at home or out-of-home, can control the operation or monitor the operational state of various appliances such as refrigerator or laundry machine through a living network installed at home, such as RS-485 network, a low power RF network, or a power line network. The method according to the present invention further provides a user with effective network service by continuously managing and updating information on all devices constituting the network using a network profile.

Abstract: A network system management method is provided. According to the method, a user inside or outside home can control or monitor the operations of appliances such as refrigerator or laundry machine through a living network such as an RS-485 network, a small output RF network, and a power line network provided inside home so that the user can perform remote control and monitor.

Abstract: The present invention discloses a data processing method for application layer based on a living network control protocol. The data processing method for application layer which is based on a predetermined protocol composed of at least a lower layer and an application layer includes the steps of: receiving a predetermined primitive from an upper application software; generating a communication cycle identifier (CycleID) according to the primitive; generating a service description according to the primitive and the communication cycle identifier (CycleID); composing an application layer protocol data unit (APDU) including the primitive; and transmitting the APDU to the lower layer.

Abstract: The present invention discloses a home network system using a living network control protocol.

Abstract: The present invention discloses a data processing method for network layer in a home network system (1) based on a living network control protocol. The data processing method for network layer based on a protocol, that is composed of at least a physical layer, a data link layer, a network and an application layer, includes the steps of: receiving a message sending primitive (MsgSend) in application layer protocol data unit (APDU) frp, the application layer; according to the message sending primitive (MsgSend), generating a communication cycle description; according to the message sending primitive (MsgSend) and/or the communication cycle description, generating a packet sending primitive (PktSend) in network layer protocol data unit (NPDU); and transmitting the packet sending primitive (PktSend) to the data link layer.

Abstract: The present invention relates to a home system, and more particularly to a home network system that is able to reduce of electric device by application of a modem that is capable of independently processing data. The present invention comprises a first electric device to transmit data including a home code input by the outside to a second electric device through a predetermined network; and a second electric device that comprises a modem by which it is connected to the first electric device through the network, and makes the modem to receive the data, after the initialization of the modem is finished, and read the home code from the data and establish it as its own home code.

Abstract: A system for remote controlling and monitoring a home appliance includes a first home appliance having a master function, at least one second home appliance having a slave function, and a communication line path for communication only between the first home appliance and at least one of the second home appliances. The master function is configured to control the slave function.

Abstract: A method of configuring a network profile of a network system is provided. According to the method, a user inside or outside home can control or monitor the operations of appliances such as refrigerator or laundry machine through a living network such as an RS-485 network, a small output RF network, and a power line network provided inside home so that the user can perform remote control and monitor. Also, a network manager configures a network, for example, checks devices connected to the living network, sets logical addresses, and sets other logical node parameters so that it is possible to effectively manage and control all of the devices connected to the network.

Abstract: The present invention discloses a home network system using a living network control protocol. The home network system includes: at least two electric devices (e.g., a first and a second electric device); and a network based on a predetermined network for networking the electric devices, wherein the first electric device sends a request message to the second electric device, and the second electric device sends a response message to the first electric device, wherein the response message transmitted from a lower layer to an upper layer of the second electric device is transmitted to a lower layer and then to an upper layer of the first electric device, and includes a command code included in the request message, for indicating an operation for the second electric device to execute, and a field related to an execution of the request.

Abstract: The present invention discloses a home network system using an LnCP. The home network system includes one or more master devices, one or more slave devices, and a network for connecting the master devices to the slave devices on the basis of a predetermined protocol. In the home network system, the master device performs one or plural communication cycles with the plurality of slave devices at the same time at a predetermined time point, and each slave device performs one communication cycle with the master device at the time point.

Abstract: The present invention discloses a data transmission and receiving method at a data link layer for use in a home network system based on a living network control protocol. The data receiving method at the data link layer of a protocol that consists of a physical layer, a data link layer, and an upper layer, includes the steps of: receiving data from the physical layer, storing the received data in a packet buffer, deciding whether new data has been received within a predetermined data allowable interval time since last data is received; and based on a result of the first decision, completing receiving the data.

Abstract: The present invention relates to a management system for in-house power consumption, more particularly to a management system for in-house power consumption efficiently performing in-house power consumption by means of estimating power consumption of each operation of in-house electric devices.

Abstract: The present invention discloses a home network system (1) which can provide an efficient address system for home appliances by using a dynamic address field selectively including at least two different kinds of logical address codes. The home network system (1) includes at least one slave device (40), and a master device (30) connected to the slave devices (40) through a predetermined network (20), the master device (30) and the slave device (40) distinguishing each other by an address field including a dynamic address field selectively having at least two different kinds of logical address codes to distinguish a plurality of slave devices (40) and master devices (30).

Abstract: The present invention discloses a home network system (1) using a living network control protocol. The home network system (1) includes: a predetermined network; at least one electric device (40 to 49) connected to the network based on a predetermined protocol; and at least one network manager (2 to 23) connected to the network based on the protocol, for controlling and monitoring the electric device (40 to 49), wherein the protocol comprises an application layer, a network layer, a data link layer, and a physical layer, wherein the physical layer further comprises a special protocol for providing an interface with a dependent transmission medium, and the network layer further comprises a home code control sub-layer for managing a home code for network security when accessing the dependent transmission medium, the home control sub-layer processing a packet from the data link layer or the network layer, according to a predetermined home code.

Abstract: The present invention discloses a home network system (100) which uses a message structure for efficient communication between a plurality of home appliances. The home network system (100) includes at least one slave device (60, 70, 80), and at least one master device (50) connected to the slave device (60, 70, 80) through a network (90), for transmitting a request message to the slave device (60, 70, 80), wherein the request message is transmitted from an upper layer of the master device (50) to a lower layer thereof and from a lower layer of the slave device (60, 70, 80) to an upper layer thereof, and has a command code implying an operation which will be executed by the slave device (60, 70, 80), and a related argument for executing the operation.

Abstract: The present invention discloses a home network system (1) which can efficiently configure a new home appliance (50) in the existing home network system. The home network system (1) includes at least one new device (50) newly connected to a master device (30) through a network (20), for transmitting a plugged-in request message containing an initial address through the network (20), receiving an address change request message containing a logical address, and changing the initial address to the logical address, and at least one master device (30) connected to the new device (50) through the network (20), for receiving the plugged-in request message from the new device, setting the logical address for the new device, and transmitting the address change request message containing the logical address to the new device.

Abstract: The present invention discloses a home network system (40) which can provide a predetermined control protocol for connecting various home networks (46,48) for communication. The home network system (40) includes a first network (46), a second network (48) separated from the first network (46,48), a home appliance connectable to at least one of the first and second networks, and a network manager (22) connectable to at least one of the first and second networks (46,48), for controlling and monitoring the home appliance.

Abstract: A method for controlling a home automation system is disclosed, in which a PC for controlling web sites, electric home appliances, and communication between the web sites and the electric home appliances is provided. The method includes a step for trying to communicate with web sites or electric home appliances by using a predetermined program, a step for displaying a web page or a local page according to the communication try result; a step for displaying a corresponding web page or a local page according to the number of connected electric home appliances; and a step for controlling a corresponding appliance by inputting a controlling button of the displayed page.