Dynamic switching of power levels in device having different wireless communication circuits
A method can include an integrated circuit device, determining if first communication circuits are operating in a first mode that wirelessly receives data at a first rate or a second mode that wirelessly receives data at a second rate that is lower than the first rate. If the first communication circuits are operating in the second mode, transmitting signals with the second communication circuits at a first power level, and if operating in the first mode, transmitting signals with the second communication circuits at a second power level that is lower than the first power level. In the first mode, X symbols per data bit are received and in the second mode, Y symbols per data bit are received, where X<Y. Corresponding devices and methods are also disclosed.
1. A device, comprising:
first communication circuits configured to
in a first mode of operation, receive data units over first channels without encoding for forward error correction (FEC) at a receiving device, and
in a second mode of operation, receive data units over the first channels with encoding for FEC at a receiving device; and
second communication circuits coupled to the first communication circuits, and configured to
transmit data units across a second channel at a first power level if the first communication circuits are operating in the second mode of operation, and
transmit data units across the second channel at a second power level, lower than the first power level, if the first communication circuits are operating in the first mode of operation.
2. The device of claim 1 , wherein the first communication circuits transmissions are compatible with a Bluetooth Low Energy standard in the first mode of operation and a Bluetooth Low Energy Long Range (encoded PHY) standard in the second mode of operation.
3. The device of claim 1 , wherein the second communication circuits transmissions are compatible with at least one IEEE 802.11 wireless standard.
4. The device of claim 1 , wherein:
the first communication circuits are configured to
in the first mode of operation, transmit configuration data to another device to transmit to the first communication circuits at a third power level, and
in the second mode of operation, transmit configuration data to the other device to transmit to the first communication circuits at a fourth power level lower than the third power level.
5. The device of claim 1 , wherein the first communication circuits are configured to receive data units from another device that indicates if the other device can operate in the second mode of operation.
6. The device of claim 1 , wherein the second communication circuits include power amplifier circuits configured to transmit at a plurality of different powers, including the first power level and the second power level.
7. The device of claim 1 , wherein the first communication circuits and second communication circuits are part of a same integrated circuit device.
8. The device of claim 1 , wherein a plurality of the first wireless channels overlap the second wireless channel.
9. A system, comprising:
a combination device that includes
first communication circuits configured to
establish a wireless communication link with first type devices according to a first mode or a second mode,
the first mode including receiving data units over a set of first channels without encoding for forward error correction (FEC), and
the second mode including receiving data units over the first channels with encoding for FEC, and
second communication circuits configured to
establish a wireless communication link with second type devices over at least a second channel that overlaps a plurality of first channels,
transmit data units over the second channel at a first power level if the first communication circuits are operating in the second mode, and
transmit data units over the second channel at a second power level lower than the first power level if the first communication circuits are operating in the first mode.
10. The system of claim 9 , further including:
at least one first type device in communication with the combination device according to the first mode or the second mode; and
at least one second type device in communication with the combination device over the second channel.
11. The system of claim 10 , further including:
the at least one first type device and combination device form a network compatible with a Bluetooth standard; and
the at least one second type device and the combination device are part of a basic service set compatible with an IEEE 802.11 wireless standard.
12. The system of claim 10 , wherein the at least one first type device is configured to transmit at a third power level in the first mode and transmit at a fourth power level in the second mode, the fourth power level being greater than the third power level.
13. The system of claim 9 , wherein the first communication circuits and second communication circuits are formed with a same integrated circuit substrate.
14. The system of claim 9 , wherein the second communication circuits are further configurable to communicate across at least a third band that does not overlap the second channel and does not overlap the first channels.
15. A system, comprising:
at least a combination wireless device that includes
first communication circuits compatible with at least a first wireless standard that transmits data over a plurality of different first channels, the first communication circuits formed with a substrate and configured to
communicate over a first link with packets that do not include forward error correction (FEC), and
communicate over a second link with packets that include FEC; and
second communication circuits compatible with at least a second wireless standard that transmit packets over at least one second channel that overlaps a plurality of the first channels, the second communication circuits formed with the substrate and configured to
transmit packets across the second channel at a first power level if the second link is active and the first link is not active, and
transmit packets across the second channel at a second power level, lower than the first power level, if the first link is active.
16. The system of claim 15 , wherein:
the first wireless standard includes at least a Bluetooth standard; and
the second wireless standard include at least one IEEE 802.11 wireless standard.
17. The system of claim 15 , further including:
the first communication circuits are further configured to communicate over a third link with packets that include FEC; and
the second communication circuits are further configured to transmit packets across the second channel at a third power level lower than the first power level when the third link is active.
18. The system of claim 17 , further including:
a second wireless device in communication with the combination wireless device over the second link that transmits packets at a third power level; and
a third wireless device in communication with the combination device over the third link that transmits packets at a fourth power level that is lower than the third power level.
19. The system of claim 15 , wherein:
the combination wireless device further includes
status circuits configured to determine a status of communication links according to the first wireless standard, and
the second communication circuits are coupled to the status circuits.
20. The system of claim 15 , further including:
a second wireless device configured to
establish a communication link with the combination wireless device according to the first wireless standard,
in response to the communication link being below a first quality standard, transmitting packets over the first link that include FEC, and
in response to the communication link being above the first quality standard, transmitting packets over the first link that do not include FEC.