JP2016178481A5

JP2016178481A5 -

Info

Publication number: JP2016178481A5
Application number: JP2015057343A
Authority: JP
Filing date: 2015-03-20
Publication date: 2018-04-26
Anticipated expiration: 2035-03-20

Description

本発明に係る通信モジュールは、
第１の通信規格で、第１の周波数帯域を使用して第１の通信を行う第１の通信回路と、
前記第１の通信規格とは異なる第２の通信規格で、前記第１の周波数帯域に含まれる第２の周波数帯域を使用して第２の通信を行う第２の通信回路と、
前記第１の通信と前記第２の通信とに共用される単一のアンテナと、
前記第１の通信による通信信号が通過する第１の配線と、
前記第２の通信による通信信号が通過する第２の配線と、
を有し、
前記第１の通信回路又は前記第２の通信回路は、前記第１の配線と前記第２の配線との間の容量カップリングが、前記第２の配線を通信信号が通過しているときに、前記第１の配線に、前記第１の通信と前記第２の通信との間の干渉を検知可能な大きさの特定信号が誘起される値となるように互いに近接された近接領域を有することを特徴とする。 The communication module according to the present invention includes:
A first communication circuit that performs a first communication using a first frequency band in a first communication standard;
A second communication circuit that performs a second communication using a second frequency band included in the first frequency band in a second communication standard different from the first communication standard;
A single antenna shared by the first communication and the second communication;
A first wiring communication signal of previous SL first communication passes,
A second wiring communication signal by the pre-Symbol second communication passes,
Have
The first communication circuit or the second communication circuit is configured such that a capacitive coupling between the first wiring and the second wiring causes a communication signal to pass through the second wiring. The first wiring has adjacent regions adjacent to each other so that a specific signal having a magnitude capable of detecting interference between the first communication and the second communication is induced. It is characterized by that.

本発明に係る通信制御方法は、
複数の互いに異なる通信規格で通信を行うときの通信制御方法であって、
第１の通信規格で、第１の周波数帯域を使用して第１の通信を行う第１の通信回路、及び、前記第１の通信規格とは異なる第２の通信規格で、前記第１の周波数帯域に含まれる第２の周波数帯域を使用して第２の通信を行う第２の通信回路と、前記第１の通信と前記第２の通信とで共有する単一のアンテナと、を用いて前記第１の通信と前記第２の通信とを行う際に、
前記第１の通信による通信信号が通過する第１の配線と、前記第２の通信による通信信号が通過する第２の配線と、の間の容量カップリングにより、前記第２の配線を通信信号が通過しているときに前記第１の配線に誘起される特定信号に基づいて、前記第１の通信と前記第２の通信との間の干渉を検知することを特徴とする。 The communication control method according to the present invention includes:
A communication control method for communicating with a plurality of different communication standards,
In the first communication standard, the first communication circuit that performs the first communication using the first frequency band, and the second communication standard different from the first communication standard, the first communication standard Using a second communication circuit that performs second communication using a second frequency band included in the frequency band, and a single antenna shared by the first communication and the second communication When performing the first communication and the second communication,
First wiring communication signal by the pre-Symbol first communication passes, a second wiring before Symbol communication signal by the second communication passes, due to capacitive coupling between said second wiring In this case, interference between the first communication and the second communication is detected based on a specific signal induced in the first wiring when the communication signal passes through the first wiring .

Claims

A first communication circuit that performs a first communication using a first frequency band in a first communication standard;
A second communication circuit that performs a second communication using a second frequency band included in the first frequency band in a second communication standard different from the first communication standard;
A single antenna shared by the first communication and the second communication;
A first wiring communication signal of previous SL first communication passes,
A second wiring communication signal by the pre-Symbol second communication passes,
Have
The first communication circuit or the second communication circuit is configured such that a capacitive coupling between the first wiring and the second wiring causes a communication signal to pass through the second wiring. The first wiring has adjacent regions adjacent to each other so that a specific signal having a magnitude capable of detecting interference between the first communication and the second communication is induced. A communication module characterized by that.

Have a switching circuit for switching the connection between the first communication circuit or the second communication circuit and the antenna,
Before SL first wire, said a first signal line which connects the switching circuit and the communication circuit, the second wiring, the signal wiring connected to the second communication circuit and said switching circuit The communication module according to claim 1, wherein:

The value of the capacitive coupling in the proximity region is a value that makes the communication impossible in the entire frequency band used in the first communication due to interference between the first communication and the second communication. And a value larger than a value that makes it impossible to set the frequency band used in the first communication so as to avoid the frequency band used in the second communication. The communication module according to claim 1 or 2.

The first communication circuit detects the interference between the first communication and the second communication by communicating the specific signal via the first wiring , and at least the second communication circuit detects the interference between the first communication and the second communication. 4. The communication module according to claim 1, wherein a frequency band used in the first communication is adjusted so as to avoid a frequency band used in the first communication. 5.

5. The communication module according to claim 4, wherein the function of adjusting the frequency band used in the first communication in the first communication circuit is an AFH modulation function.

The first communication is Bluetooth (registered trademark) communication, the second communication is wireless LAN communication,
The communication module according to claim 1, wherein the first communication and the second communication use a frequency band of 2.4 GHz.

The communication module according to claim 1, wherein the first wiring is a reception wiring through which a reception signal by the first communication passes.

The communication module according to claim 1, wherein the second wiring is a transmission wiring through which a transmission signal by the second communication passes.

The communication module according to claim 1, wherein the first communication circuit and the second communication circuit are mounted on a single substrate.

The communication module according to claim 2, wherein at least any two of the first communication circuit, the second communication circuit, and the switching circuit are mounted on a single substrate. .

A communication control method for communicating with a plurality of different communication standards,
In the first communication standard, the first communication circuit that performs the first communication using the first frequency band, and the second communication standard different from the first communication standard, the first communication standard Using a second communication circuit that performs second communication using a second frequency band included in the frequency band, and a single antenna shared by the first communication and the second communication When performing the first communication and the second communication,
First wiring communication signal by the pre-Symbol first communication passes, a second wiring before Symbol communication signal by the second communication passes, due to capacitive coupling between said second wiring And detecting interference between the first communication and the second communication based on a specific signal induced in the first wiring when the communication signal passes through the communication line. Control method.