COMMUNICATION DEVICE AND COMMUNICATION METHOD EMPLOYING THE SAME

• US 20100330907A1
• Filed: 01/27/2010
• Published: 12/30/2010
• Est. Priority Date: 06/30/2009
• Status: Active Grant

• Current Assignee: Chi Mei Communication Systems Incorporated (Hon Hai Precision Industry Co., Ltd.), Shenzhen Futaihong Precision Industrial Company Limited (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Chi Mei Communication Systems Incorporated (Hon Hai Precision Industry Co., Ltd.), Shenzhen Futaihong Precision Industrial Company Limited (Hon Hai Precision Industry Co., Ltd.)
• Inventors: FENG, JIAN-YAN
• Granted Patent: US 8,543,067 B2
• Time in Patent Office: Days
• US Class Current: 455/41.2
• CPC Class Codes: H04B 1/0067 with one or more circuit blocks in common for different bands
• CPC Class Codes: H04B 1/48 in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter H04B1/46 takes precedence

Abstract

An exemplary embodiment of communication device includes a signal communication module, a first switch module, a processor, a second switch module, and a power amplifying module. The signal communication module, the first switch module, the processor, the second switch module, and the power amplifying module are electrically connected in series. The signal transceiver receives and sends a wireless communication signal. The first switch module and the second switch module are used for switching on corresponding receiving and sending paths of the wireless communication signal under the control of the processor. The power amplifying module is configured for amplifying and adjusting signal strength of the broadcast signal from the second switch module controlled by the processor.

Claims

1. A communication device, comprising:

a signal transceiver for receiving and sending a wireless communication signal;

a first switch module electrically connected to the signal transceiver, and configured for switching on corresponding receiving paths of the wireless communication signal to transfer the wireless communication signal;

a processor electrically connected to the first switch module, and configured for processing the wireless communication signal from the first switch module and sending a corresponding broadcast signal;

a second switch module electrically connected to the processor, and configured for receiving the broadcast signal and switching on corresponding sending paths of broadcast signal to send the broadcast signal under the control of the processor; and

a power amplifying module electrically connected to the first switch module, the processor and the second switch module, wherein the processor controls the power amplifying module to adjust signal strength of the broadcast signal.

2. The communication device as claimed in claim 1, wherein the wireless communication signal and the broadcast signal are either one of WiFi signal and Bluetooth signal, both the WiFi signal and the Bluetooth signal share the power amplifying module.

3. The communication device as claimed in claim 2, wherein the first switch module is configured for selectively switching on corresponding receiving path of the WiFi signal or the Bluetooth path controlled by the processor, and the second switch module is configured for selectively switching on corresponding sending path of the WiFi signal or the Bluetooth signal under the control of the processor.

4. The communication device as claimed in claim 1, further comprising a filtering module electrically connected to the first switch module, wherein the filtering module includes a first filtering unit and a second filtering unit, the first filtering unit and the second filtering unit are configured for filtering clutter from the wireless communication signal to reduce interference.

5. The communication device as claimed in claim 4, further comprising a signal processing module electrically connected to the filtering module and the processor, wherein the signal processing module includes a first amplifying unit and a second amplifying unit, the first amplifying unit and the second amplifying unit are configured for amplifying the received signal from the filtering module and improving the signal to noise ratio of the received signal.

6. The communication device as claimed in claim 2, further comprising a setting module electrically connected to the processor, the setting module being configured for choosing to receive the WiFi signal or the Bluetooth signal, and choosing operation mode and power level of the power amplifying module according to transmission distance of the WiFi signal or the Bluetooth signal.

7. A communication device, comprising:

a signal transceiver for receiving and sending a wireless communication signal;

a first switch module electrically connected to the signal transceiver, and configured for switching on corresponding receiving paths of the wireless communication signal to transfer the wireless communication signal;

a filtering module electrically connected to the first switch module, and configured for filtering clutter from the received signal from the first switch module;

a signal processing module electrically connected to the filtering module, and configured for amplifying the received signal from the filtering module;

a processor electrically connected to the first switch module, and configured for processing the received signal from the first switch module and sending a corresponding broadcast signal;

a second switch module electrically connected to the processor, and configured for receiving the broadcast signal and switching on corresponding sending paths of the broadcast signal under the control of the processor; and

a power amplifying module electrically connected to the first switch module, the processor, and the second switch module, wherein the processor controls the power amplifying module to adjust signal strength of the broadcast signal.

8. The communication device as claimed in claim 7, wherein the wireless communication signal, the received signal and the broadcast signal are either one of WiFi signal and Bluetooth signal, and both the WiFi signal and the Bluetooth signal share the power amplifying module.

9. The communication device as claimed in claim 8, wherein the first switch module is configured for selectively switching on corresponding receiving path of the WiFi signal or the Bluetooth signal controlled by the processor, and the second switch module automatically switches on corresponding sending path of the WiFi signal or the Bluetooth signal controlled by the processor.

10. The communication device as claimed in claim 8, wherein the filtering module includes a first filtering unit and a second filtering unit, the first filtering unit is used for transferring the WiFi signal and filtering clutter to reduce interference, and the second filtering unit is used for transferring Bluetooth signal and filtering clutter from the Bluetooth signal to reduce interference.

11. The communication device as claimed in claim 8, wherein the signal processing module including a first amplifying unit and a second amplifying unit, the first amplifying unit is used for amplifying the WiFi signal and improving the signal to noise ratio of the WiFi signal, and the second amplifying unit is configured for amplifying Bluetooth signal and improving the signal to noise ratio of the Bluetooth signal.

12. The communication device as claimed in claim 8, further including a setting module electrically connected to the processor, the setting module being configured for choosing to receive the WiFi signal or the Bluetooth signal, and choosing an operation mode and power level of the power amplifying module according to transmission distance of the WiFi signal or the Bluetooth signal.

13. A communication method, comprising steps of:

choosing a wireless communication signal;

receiving the wireless communication signal;

choosing and switching on a receiving path for the received signal;

filtering and amplifying the received signal;

processing the received signal and sending a broadcast signal;

adjusting the signal strength of the broadcast signal; and

sending the broadcast signal after adjusting.

14. The communication method as claimed in claim 13, further including a step of choosing and switching on a sending path of the broadcast signal to a remote wireless device.

15. The communication method as claimed in claim 13, wherein the step of adjusting signal strength of the broadcast signal includes sub-steps of:

sending the broadcast signal in a maximum signal strength to the remote wireless device;

receiving a feedback signal from the remote wireless device;

determining whether signal to noise ratio value of the received signal is larger than a signal to noise ratio reference value or not;

reducing the signal strength of the broadcast signal in a certain value; and

choosing the signal strength of the broadcast signal.

16. The communication method as claimed in claim 15, wherein the step of adjusting signal strength of the broadcast signal further includes a step of determining whether receiving the feedback signal or not in a predetermined time.

17. The communication method as claimed in claim 16, wherein the step of adjusting the signal strength of the broadcast signal further includes a step of failing to establish communication link with the remote wireless device.