Communication apparatus, communication control method, and communication system

A technology of communication equipment and communication scheme, which is applied in wireless communication, transmission system, radio transmission system, etc., and can solve the problem of short communication distance

Active Publication Date: 2012-11-14
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the case of performing wireless communication using millimeter waves, the communication distance will be shorter while there is an advantage that space is easily divided compared to the case of using microwaves

Method used

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  • Communication apparatus, communication control method, and communication system
  • Communication apparatus, communication control method, and communication system
  • Communication apparatus, communication control method, and communication system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0031] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that: in this specification and the appended drawings, elements that have substantially the same function and structure are denoted with the same reference numerals, and repeated explanation is omitted.

[0032] In addition, the "detailed embodiments" will be described in the following order.

[0033] 1. Overview of the communication system according to the embodiment

[0034] 2. Description of the embodiment

[0035] 2-1. Exemplary configuration of transmission side

[0036] 2-2. Exemplary Signal Format

[0037] 2-3. Exemplary configuration of the receiving side

[0038] 2-4. Process flow

[0039] 3. Conclusion

[0040]

[0041] figure 1 is a schematic explanatory diagram of an overview of the communication system 1 according to the embodiment of the present invention. refer to figure 1 , the communication system 1 inclu...

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PUM

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Abstract

The timing to control the directivity of an antenna is recognized by a receiver apparatus and thereafter an optimum antenna beam is formed at that timing. Provided is a communication apparatus comprising: a first wireless communication unit capable of performing a wireless communication in accordance with a first communication mode; and a second wireless communication unit capable of performing a wireless communication in accordance with a second communication mode using a higher frequency band than the first communication mode. The second wireless communication unit decides, based on a time point at which a predetermined control signal is received by the first wireless communication unit, a reception timing to receive a beacon transmitted in accordance with the second communication mode, and further forms, at the decided reception timing, a reception beam having the directivity learned in advance.

Description

technical field [0001] The present invention relates to a communication device, a communication control method and a communication system. Background technique [0002] Recently, a new communication method has been developed. This communication method uses high-frequency electromagnetic waves called millimeter waves to increase the communication speed of wireless communication. Millimeter waves are considered to have a wavelength of 10 mm to 1 mm and a frequency of 30 GHz to 300 GHz, so that channels can be allocated in the frequency band of 60 GHz in GHz units, for example. [0003] In general, millimeter waves are characterized by more robust straight-line travel and greater return loss than microwaves. Therefore, the wireless communication path in millimeter wave communication is mainly a direct wave or a wave that is reflected once. Furthermore, millimeter waves are characterized by large free space propagation losses (short reach of radio waves). Therefore, in the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/10
CPCH04B17/0072H04W88/06H04B17/0047H04B7/086H04B7/0695H04B7/088H04B17/27H04B17/364H04B7/10
Inventor 森冈裕一
Owner SONY CORP
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