Systems and methods for implementing a wireless device that supports WLAN modules operating simultaneously in different wireless bands
View Patent ↗Systems and methods for enabling a WLAN client to communicate simultaneously over more than one band at a time are described, where each client has at least one radio that is operational in each supported band. Load balancing based on traffic requirements optimizes the use of the multiple bands.
1. A simultaneous client wireless device comprising:
a first wireless module configured to perform communication functions of MAC (media access control) and PHY (physical) layers for a first wireless radio operable in a first wireless band;
a second wireless module configured to perform communication functions of MAC and PHY layers for a second wireless radio operable in a second wireless band; and
a communication module configured as an intermediate layer between the MAC layer of the first wireless module and a network layer, and between the MAC layer of the second wireless module and the network layer, the communication module configured to:
use an application programming interface to retrieve information from the MAC layer and write information to the MAC layer of the first wireless module, and to retrieve information from the MAC layer and write information to the MAC layer of the second wireless module, and
manage simultaneous connections over the first wireless band and the second wireless band by ordering or aggregating packets received from the first wireless module and the second wireless module to communicate the ordered or aggregated packets to the network layer, and load balancing packets received from the network layer by selecting at the intermediate layer either the first wireless band or the second wireless band to communicate the packets received from the network layer, wherein the communications over the first wireless band and the second wireless band use a local area network protocol.
2. The simultaneous client wireless device of claim 1 , wherein the first wireless module is a chipset, and the second wireless module is a chipset.
3. The simultaneous client wireless device of claim 1 , wherein the communication module is further configured to order the packets received over the first wireless band and the second wireless band and communicate the ordered packets to the network layer.
4. The simultaneous client wireless device of claim 1 , wherein the communication module is configured to perform layer two aggregation of the packets received over the first wireless band and the second wireless band and communicate the aggregated packets to the network layer.
5. The simultaneous client wireless device of claim 1 , wherein the communication module is further configured to perform the MAC layer functions including ordering packets and load balancing packets.
6. The simultaneous client wireless device of claim 1 , further comprising:
a third wireless module configured to perform communication functions of MAC and PHY layers for a third wireless radio operable in a third wireless band, wherein the communication module is configured as an intermediate layer between the MAC layer of the third wireless module and the network layer to:
use the application programming interface to retrieve information from the MAC layer and write information to the MAC layer of the third wireless module, and
manage simultaneous communications over the third wireless band in addition to the first wireless band and the second wireless band.
7. A wireless device comprising:
a communication module configured as an intermediate layer between a MAC (media access control) layer of a first wireless module and a network layer, and between a MAC layer of a second wireless module and the network layer, the communication module configured to:
use an application programming interface to retrieve information from the MAC layer and write information to the MAC layer of the first wireless module and to retrieve information from the MAC layer and write information to the MAC layer of the second wireless module, and
manage simultaneous connections over a first wireless band of the first wireless module and a second wireless band of the second wireless module by ordering or aggregating packets received from the first wireless module and the second wireless module to communicate the ordered or aggregated packets to the network layer, and load balancing packets received from the network layer by selecting at the intermediate layer either the first wireless band or the second wireless band to communicate the packets received from the network layer, wherein the communications over the first wireless band and the second wireless band use a local area network protocol.
8. The wireless device of claim 7 , wherein the first wireless module is configured to perform communication functions of MAC and PHY layers for a first wireless radio operable in the first wireless band, and the second wireless module is configured to perform communication functions of MAC and PHY layers for a second wireless radio operable in the second wireless band.
9. The wireless device of claim 8 , wherein the communication module is further configured to perform MAC layer functions including ordering packets or load balancing packets.
10. The wireless device of claim 7 , wherein the first wireless module is a chipset, and the second wireless module is a chipset.
11. The wireless device of claim 7 , wherein the communication module is further configured to order the packets received over the first wireless band and the second wireless band, and communicate the ordered packets to the network layer.
12. The wireless device of claim 7 , wherein the communication module is configured to perform layer two aggregation of the packets received over the first wireless band and the second wireless band, and communicate the aggregated packets to the network layer.
13. A wireless device comprising:
a plurality of wireless modules, each wireless module configured to perform communication functions of MAC (media access control) and PHY (physical) layers for a wireless radio operable in a wireless band; and
a communication module configured as an intermediate layer between the MAC layer of each wireless module and a network layer, the communication module configured to:
retrieve information from the MAC layer and write information to the MAC layer of each wireless module, and
manage simultaneous connections of each wireless band over a local area network protocol by ordering or aggregating packets received from the plurality of wireless modules to communicate the ordered or aggregated packets to the network layer, and load balancing packets received from the network layer by selecting at the intermediate layer any wireless band of any of the plurality of wireless modules to communicate the packets received from the network layer.
14. The wireless device of claim 13 comprising three wireless modules.
15. The wireless device of claim 13 , wherein each wireless module is a chipset.
16. The wireless device of claim 13 , wherein the communication module is further configured to order the packets received over each wireless band and communicate the ordered packets to the network layer.
17. The wireless device of claim 13 , wherein the communication module is further configured to perform layer two aggregation of the packets received over each wireless band and communicate the aggregated packets to the network layer.