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Communication device and apparatus, communication device control method and control program, and recording medium

A technology of a communication device and a control unit, which is applied to the application of power line communication, wireless communication, data exchange through path configuration, etc., and can solve problems such as not considering QoS and not installing a notification structure

Active Publication Date: 2009-08-19
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the QoS structure has not been widely used, at present, QoS is not considered when designing the upper layer, and the notification structure is not installed in almost all systems.

Method used

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  • Communication device and apparatus, communication device control method and control program, and recording medium
  • Communication device and apparatus, communication device control method and control program, and recording medium
  • Communication device and apparatus, communication device control method and control program, and recording medium

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0260] In the first embodiment, a method will be described in which, for a communication device on a content receiving side, a user designates a reception priority for each communication device on a content receiving side, uses the reception priority as a QoS type, and Based on this designation, the entire network performs QoS control through priority QoS. Figure 4 represents the entire processing flow.

[0261]

[0262] figure 2 It is a figure which shows the network structure in this embodiment. In this embodiment, data transmission is performed from the communication device 10 to the communication device 20 , data transmission is performed from the communication device 10 to the communication device 30 , and data transmission is performed from the communication device 10 to the communication device 40 . Each communication device has a built-in function for transmitting data to other communication devices via a network. The network may be a wired LAN such as Ethernet,...

no. 2 Embodiment approach

[0405] In the second embodiment, a method will be described in which, for the PLC adapter on the content receiving side, the user designates the type of content received by each PLC adapter as the QoS type, and based on this designation, the entire network performs parametric QoS QoS control. Figure 9 Indicates the entire processing flow.

[0406]

[0407] Image 6 It is a figure which shows the network structure in this embodiment. This embodiment differs from the first embodiment in that the PLC adapter connected to the PLC network for communication is not the same device as the device that actually transmits and receives content data.

[0408] In this embodiment, parametric QoS is used. Regarding the parametric QoS, it is necessary to set up a master station (master station) in the network, and the master station manages the QoS of the entire network. The PLC adapter 50 in this embodiment has the function of the master station, but it is not limited to this, and othe...

no. 3 Embodiment approach

[0623] In the third embodiment, a flow is described in which, for the PLC adapter of the content receiver, the user specifies the type of content to be received by each adapter as a QoS type, and the entire network implements parametric QoS according to the QoS type QoS control. Figure 13 Indicates the entire processing flow.

[0624]

[0625] Figure 12 Shows the network configuration of this embodiment. Its difference is: relative to the sending station 60 of content data and the receiving station 70,80 of content data, there is the master station 50 of parametric QoS in addition; hard disk recorder 170.

[0626] The basic flow of QoS control is almost the same as that of the second embodiment, but in the second embodiment, the QoS setting request packet is transmitted from the PLC adapter 60 on the content receiving side. In contrast, the biggest difference in this embodiment is that the QoS setting request packet is sent through the PLC adapter 60 of the content sen...

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Abstract

Provided is a communication device by which a user can simply set a transmission quality in a network and QoS control effectively functions. QoS type receiving sections (11, 21, 31, 41) are arranged in communication devices (10, 20, 30, 40) on a network, and a user is permitted to specify a QoS type to be requested to the communication devices (10, 20, 30, 40), by operating the QoS type receivingsections (11, 21, 31, 41). When the communication devices (10, 20, 30, 40) perform communication, the network is controlled to ensure the QoS corresponding to the QoS type received by the QoS type receiving sections (11, 21, 31, 41).

Description

technical field [0001] The invention relates to a communication device for setting QoS in a communication network and a control method thereof. Background technique [0002] Conventionally, in a computer network, a communication method called a "packet communication method" has been used to transmit and receive packets. Recently, in a network such as a home LAN (Local Area Network: Local Area Network), there is an increasing demand for constructing a LAN based on PLC (Power Line Communication: Power Line Communication). [0003] Compared with wired LAN, the advantage of PLC-based LAN is that there is no need to lay special LAN cables, and network construction can be realized by simply connecting the power cord of the device to the power outlet, so the freedom of movement of the terminal can be increased. [0004] In a network such as the above-mentioned PLC-based LAN, when multiple slave stations (Slave Stations) are connected to the network that is managed by the master st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28
CPCH04L47/2441H04L47/14H04L12/4625H04L12/5693H04L47/10H04B2203/5445H04L47/2425H04L47/50H04W28/02H04W8/04
Inventor 中岛健滨贤太郎合田互山田雄介
Owner SHARP KK
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