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Radio communication system

A wireless communication system and wireless receiving technology, applied in wireless communication, diversity/multi-antenna system, transmission system, etc., can solve the problems of cost increase, time and effort, etc., to reduce the burden, reduce the burden of users, and conceal superior effect

Inactive Publication Date: 2009-03-11
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the content communication system according to the above-mentioned conventional example has a problem in that, in the initial setting for registration, the user is burdened with the operation of connecting the communication devices to each other by wire.
In particular, it takes more time and effort when multiple communication devices are used
In addition, when the communication device is built in the signal source device or the sink device, regardless of whether it is built-in or not, an external interface for wired connection is required, so there is a problem of cost increase.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0081] FIG. 1 is a block diagram showing the configuration of a wireless communication system according to the first embodiment of the present invention. In this embodiment, the wireless communication system includes a signal source device 1 and a sink device 2, and the signal source device 1 and the sink device 2 transmit various signals based on the HDMI (High Definition Multimedia Interface) standard. In FIG. 1, the signal source device 1 is composed of: a controller 10, a memory 11, a DVD player 12, a high-speed wireless transmission circuit 13, an antenna selection and beam forming circuit 14, a low-speed wireless transceiver circuit 15, and an antenna selection circuit 16. , a directional antenna 3B, and a non-directional antenna 3A.

[0082] In FIG. 1 , a DVD player 12 reads out a video signal or an audio signal recorded on a recording medium such as a DVD under the control of a controller 10 and outputs it to a high-speed wireless transmission circuit 13 . The memory ...

no. 2 approach

[0096] Figure 4 It is a sequence diagram showing registration processing of the wireless communication system according to the second embodiment of the present invention. The process from turning on the source device 1 and the receiver device 2 to the transmission of the registration request notification signal from the receiver device 2 to the source device 1 is the same as that of the wireless communication system according to the first embodiment, and thus description thereof is omitted.

[0097] exist Figure 4 First, in response to the registration request notification signal, the signal source device 1 transmits a test mode signal to the receiving device 2 via the directional antenna 3B, and transmits a device including the device ID of the signal source device 1 to the receiving device 2 via the non-directional antenna 3A. information signal.

[0098] When the receiving device 2 receives the test mode signal via the directional antenna 4B, the controller 20 judges th...

no. 3 approach

[0103] Figure 5 It is a sequence diagram showing registration processing of the wireless communication system according to the third embodiment of the present invention. The process from turning on the source device 1 and the receiver device 2 to the transmission of the registration request notification signal from the receiver device 2 to the source device 1 is the same as that of the wireless communication system according to the first embodiment, and thus description thereof is omitted. In addition, in the third embodiment, the control signal for registering the signal source device 1 with the sink device 2 includes: a registration control signal including a timing signal, a registration request signal, a registration request notification signal, and a registration completion and transmission speed notification signal. ; and device information signals.

[0104] exist Figure 5 Among them, first, the signal source device 1 responds to the registration request notification...

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Abstract

Disclosed is a radio communication system comprising a source device (1) including a high-speed radio sending circuit (13) for sending a video signal wirelessly, and a sink device (2) including a high-speed radio receiving circuit (25) for receiving the video signal wirelessly sent. The source device (1) includes, in addition to the high-speed radio sending circuit (13), a memory (11) for storing the device ID of the source device (1), and a low-speed radio sending / receiving circuit (15). This low-speed radio sending / receiving circuit (15) sends a control signal read out from the memory (11) and containing the device ID, wirelessly to the sink device (2), and receives a registration control signal for registering the source device (1) in the sink device (2), wirelessly from the sink device (2).

Description

technical field [0001] The present invention relates to a signal source device such as a DVD player and a set-top box, a receiving device such as a television receiver, a wireless communication system for wirelessly transmitting a video signal reproduced and output from a signal source device to a receiving device in an uncompressed manner, and a wireless communication system for receiving The registration method for registering the signal source device in the device. Background technique [0002] AV equipment adopting HDMI (High Definition Multimedia Interface), which is an interface standard for next-generation digital television, is being popularized, which transmits a video signal and an audio signal using a single cable in an uncompressed manner. So far, in the connection process between AV equipment, it is necessary to use separate cables for each signal such as video signal or audio signal, but according to this HDMI, there are advantages in that wiring can be perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W8/26H04W48/08H04W60/00
CPCH04N5/76H04L1/24H04W48/08H04B7/04H04W24/06H04L5/1446H04W60/00
Inventor 龟田明浩船引诚大植裕司
Owner PANASONIC CORP