High speed data bus for communicating between wireless interface devices of a host device
A circuit includes a first wireless interface circuit that communicates packetized data to a first external device in accordance with a first wireless communication protocol. A second wireless interface circuit communicates packetized data to a second external device in accordance with a second wireless communication protocol. A plurality of signal lines communicate at least four lines of cooperation data between the first wireless interface circuit and the second wireless interface circuit, wherein the cooperation data relates to cooperate transceiving in a common frequency spectrum.
1. A circuit comprises:
a first wireless interface circuit that communicates packetized data in a common frequency spectrum to a first external device in accordance with a first wireless communication protocol;
a second wireless interface circuit that communicates packetized data in the common frequency spectrum to a second external device in accordance with a second wireless communication protocol; and
a plurality of signal lines, coupled to the first wireless interface circuit and the second wireless interface circuit, that communicate cooperation data between the first wireless interface circuit and the second wireless interface circuit, wherein the cooperation data is used by the first wireless interface circuit and the second wireless interface circuit to limit interference between the packetized data communicated in accordance with the first wireless communication protocol and the packetized data communicated in accordance with the second wireless communication protocol in the common frequency spectrum, wherein the cooperation data includes intra-device status messages between the first wireless interface circuit and the second wireless interface circuit that indicate when transmission of the packetized data is currently in progress and when reception of the packetized data is currently in progress by a selected one of: the first wireless interface circuit and the second wireless interface circuit, in accordance with one of: the first wireless communication protocol; and the second wireless communication protocol in the common frequency spectrum.
2. The circuit of claim 1 wherein the first wireless interface circuit includes a first processing module and the second wireless interface circuit includes a second processing module and wherein the plurality of signal lines communicate cooperation data between the first processing module and the second processing module.
3. The circuit of claim 2 wherein the plurality of signal lines communicate cooperation data between the first processing module and the second processing module for each transceived packet of the first wireless interface circuit.
4. The circuit of claim 1 wherein the plurality of signal lines are part of a high speed data bus for parallel communication of the intra-device status messages between the first wireless interface circuit and the second wireless interface circuit.
5. The circuit of claim 1 wherein the second wireless interface circuit operates in accordance with a wireless local area network protocol that includes a plurality of channels, and wherein the cooperation data includes a channel number that identifies a selected one of the plurality of channels.
6. The circuit of claim 1 wherein the cooperation data includes at least one of, a master/slave indicator, a signal strength indicator, an antenna status indicator and a transmit power level indicator.
7. The circuit of claim 1 wherein the cooperation data includes at least one of, a current hop frequency, a future hop frequency, a slot hop time, and a frequency hop sequence.
8. The circuit of claim 1 wherein the cooperation data includes a voice activity detection status indicator.
9. The circuit of claim 1 wherein the cooperation data includes a transmit timing parameter.
10. The circuit of claim 1 wherein the cooperation data includes a delivery traffic indication message interval indicator.
11. The circuit of claim 1 wherein the cooperation data includes a station idle mode indicator.
12. A method comprising:
communicating packetized data to a first external device in a common frequency spectrum via a first wireless interface circuit in accordance with a first wireless communication protocol;
communicating packetized data to a second external device in the common frequency spectrum via a second wireless interface circuit in accordance with a second wireless communication protocol; and
communicating cooperation data between the first wireless interface circuit and the second wireless interface circuit via a parallel data bus, wherein the cooperation data is used by the first wireless interface circuit and the second wireless interface circuit to limit interference between the packetized data communicated in accordance with the first wireless communication protocol and the packetized data communicated in accordance with the second wireless communication protocol in the common frequency spectrum, wherein the cooperation data includes intra-device status messages between the first wireless interface circuit and the second wireless interface circuit that indicate when transmission of the packetized data is currently in progress and when reception of the packetized data is currently in progress by a selected one of: the first wireless interface circuit and the second wireless interface circuit in accordance with one of: the first wireless communication protocol; and the second wireless communication protocol in the common frequency spectrum.
13. The method of claim 12 wherein the step of communicating cooperation data between the first wireless interface circuit and the second wireless interface circuit includes communicating cooperation data for each transceived packet of the first wireless interface circuit.
14. The method of claim 12 wherein the parallel data bus is a high speed data bus for parallel communication of the intra-device status messages between the first wireless interface circuit and the second wireless interface circuit.
15. The method of claim 12 wherein the second wireless interface circuit operates in accordance with a wireless local area network protocol that includes a plurality of channels, and wherein the cooperation data includes a channel number that identifies a selected one of the plurality of channels.
16. The method of claim 12 wherein the cooperation data includes at least one of, a master/slave indicator, a signal strength indicator, an antenna status indicator and a transmit power level indicator.
17. The method of claim 12 wherein the cooperation data includes at least one of, a current hop frequency, a future hop frequency, a slot hop time, and a frequency hop sequence.
18. The method of claim 12 wherein the cooperation data includes a voice activity detection status indicator.
19. The method of claim 12 wherein the cooperation data includes a transmit timing parameter.
20. The method of claim 12 wherein the cooperation data includes a delivery traffic indication message interval indicator.
21. The method of claim 12 wherein the cooperation data includes a station idle mode indicator.