Multi-member bluetooth network capable of maintaining bluetooth signal quality with remote bluetooth device and related main bluetooth circuit and auxiliary bluetooth circuit

A main Bluetooth circuit (110) of a multi-member Bluetooth network (100), the multi-member Bluetooth network (100) being utilized for communicating data with a remote Bluetooth device (102) and comprising the main Bluetooth circuit (110) and an auxiliary Bluetooth circuit (120), the main Bluetooth circuit (110) comprising:

• a Bluetooth communication circuit (111);
• a data transmission circuit (113);
• and
• a control circuit (115) arranged to operably directly communicate data with the remote Bluetooth device (102) through the Bluetooth communication circuit (111) by utilizing a Bluetooth wireless transmission approach, and arranged to operably communicate data with the auxiliary Bluetooth circuit (120) through the data transmission circuit (113), so that the auxiliary Bluetooth circuit (120) is enabled to indirectly communicate data with the remote Bluetooth device (102) through the main Bluetooth circuit (110);
• wherein the control circuit (115) transmits a device identification data of the main Bluetooth circuit (110) and multiple Bluetooth connection parameters between the main Bluetooth circuit (110) and the remote Bluetooth device (102) to the auxiliary Bluetooth circuit (120) through the data transmission circuit (113);
• when a distance between the auxiliary Bluetooth circuit (120) and the remote Bluetooth device (102) becomes less than a distance between the main Bluetooth circuit (110) and the remote Bluetooth device (102), the control circuit (115) instructs the auxiliary Bluetooth circuit (120) to directly communicate data with the remote Bluetooth device (102) in the name of the main Bluetooth circuit (110) by utilizing the device identification data and the multiple Bluetooth connection parameters;
• and
• the control circuit (115) then indirectly communicates data with the remote Bluetooth device (102) through the auxiliary Bluetooth circuit (120).

An auxiliary Bluetooth circuit (120) of a multi-member Bluetooth network (100), the multi-member Bluetooth network (100) being utilized for communicating data with a remote Bluetooth device (102) and comprising the auxiliary Bluetooth circuit (120) and a main Bluetooth circuit (110), the auxiliary Bluetooth circuit (120) comprising:

• a Bluetooth communication circuit (121);
• a data transmission circuit (123);
• and
• a control circuit (125) arranged to operably control the data transmission circuit (123) to communicate data with the main Bluetooth circuit (110), so as to indirectly communicate data with the remote Bluetooth device (102) through the main Bluetooth circuit (110);
• wherein the data transmission circuit (123) is further arranged to operably receive a device identification data of the main Bluetooth circuit (110) and multiple Bluetooth connection parameters between the main Bluetooth circuit (110) and the remote Bluetooth device (102) transmitted from the main Bluetooth circuit (110);
• when a distance between the auxiliary Bluetooth circuit (120) and the remote Bluetooth device (102) becomes less than a distance between the main Bluetooth circuit (110) and the remote Bluetooth device (102), the control circuit (125) controls the Bluetooth communication circuit (121) to directly communicate data with the remote Bluetooth device (102) in the name of the main Bluetooth circuit (110) by utilizing the device identification data and the multiple Bluetooth connection parameters based on an instruction of the main Bluetooth circuit (110);
• the main Bluetooth circuit (110) then indirectly communicates data with the remote Bluetooth device (102) through the auxiliary Bluetooth circuit (120).