ADAPTIVE SCHEDULING FOR COEXISTING WIRELESS RADIOS
Methods and systems for adaptive scheduling for coexistence wireless radios. The disclosed method includes, among other things, receiving, from a WLAN sub-system, a first schedule of a WLAN application, determining whether the first schedule of the WLAN application overlaps with a second schedule of a WPAN task for a WPAN sub-system of the wireless device, responsive to determining that there is an overlap, generating a third schedule of the WPAN task that does not overlap with the first schedule of the WLAN application, and causing the WPAN sub-system to modify the second schedule of the WPAN task to the third schedule of the WPAN task based on the WPAN task.
1 . A method comprising:
receiving, from a wireless local area network (WLAN) sub-system of a wireless device, a first schedule of a WLAN application, wherein the first schedule of the WLAN application includes a first plurality of time slots for the WLAN application;
determining whether the first schedule of the WLAN application overlaps with a second schedule of a wireless personal area network (WPAN) task for a WPAN sub-system of the wireless device, wherein the second schedule of the WPAN task includes a second plurality of time slots;
responsive to determining that there is an overlap, determining whether the second schedule of the WPAN task can me modified;
responsive to determining that the second schedule of the WPAN task can be modified, generating a third schedule of the WPAN task that does not overlap with the first schedule of the WLAN application; and
in response to generating the third schedule of the WPAN task, causing the WPAN sub-system to modify the second schedule of the WPAN task to the third schedule of the WPAN task based on the WPAN task.
2 . The method of claim 1 , wherein the third schedule of the WPAN task is generated by modifying at least one of a periodicity or a duration of the second plurality of time slots in the WPAN to avoid the first plurality of time slots.
3 . The method of claim 1 , wherein the WLAN application is one of an voice over internet protocol (VoIP) application, a video streaming application, or an Internet of Things (IoT) application.
4 . The method of claim 1 , wherein the WPAN task is one of: a WPAN advertising task, a WPAN scan task, or a WPAN connection task.
5 . The method of claim 1 , wherein the first schedule of the WLAN is generated using target wake time (TWT).
6 . The method of claim 1 , further comprising:
responsive to determining that the second schedule of the WPAN task cannot be modified, generating a fourth schedule of the WLAN application that does not overlap with the second schedule of the WPAN task; and
in response to generating the fourth schedule of the WLAN application, causing the WLAN sub-system to modify the first schedule of the WLAN application to the fourth schedule of the WLAN application.
7 . The method of claim 6 , wherein the fourth schedule of the WLAN application is generated by modifying at least one of a periodicity or a duration of the first plurality of time slots to avoid the second plurality of time slots in the WPAN.
8 . A wireless device comprising:
a first wireless sub-system comprising a processor, and
a second wireless sub-system operating on a frequency band with the first wireless sub-system, wherein the processor of the first wireless sub-system is to perform operations comprising:
receiving, from the first wireless sub-system, a first schedule of a first task, wherein the first schedule of the first task includes a first plurality of time slots for the first task;
determining whether the first schedule of the first task overlaps with a second schedule of a second task for the second wireless sub-system, wherein the second schedule of the second task includes a second plurality of time slots for the second task;
responsive to determining that there is an overlap, determining whether the second schedule of the second task can me modified;
responsive to determining that the second schedule of the second task can be modified, generating a third schedule of the second task that does not overlap with the first schedule of the first task; and
in response to generating the third schedule of the second task, causing the second wireless sub-system to modify the second schedule of the second task to the third schedule of the second task.
9 . The wireless device of claim 8 , wherein the third schedule of the second task is generated by modifying at least one of: a periodicity or a duration of the second plurality of time slots to avoid the first plurality of time slots.
10 . The wireless device of claim 8 , wherein the first task is one of: voice over internet protocol (VoIP), video streaming, or internet of things (IoT) application.
11 . The wireless device of claim 8 , wherein the second task is one of: an advertising task, a scan task, or a connection task.
12 . The wireless device of claim 8 , wherein the first schedule of the first task is generated using target wake time (TWT).
13 . The wireless device of claim 8 , wherein the processor of the first wireless sub-system is to perform operations further comprising:
responsive to determining that the second schedule of the second task cannot be modified, generating a fourth schedule of the first task that does not overlap with the second schedule of the second task; and
in response to generating the fourth schedule of the first task, causing the first wireless sub-system to modify the first schedule of the first task to the fourth schedule of the first task.
14 . The wireless device of claim 13 , wherein the fourth schedule of the first task is generated by modifying at least one of a periodicity or a duration of the first plurality of time slots to avoid the second plurality of time slots.
15 . A wireless local area network (WLAN) sub-system, comprising:
a processor; and
a memory comprising a schedule management engine, wherein the schedule management engine when executed by the processor is to perform operations comprising:
receiving a first schedule of a WLAN application, wherein the first schedule of the WLAN application includes a first plurality of time slots for the WLAN application;
determining whether the first schedule of the WLAN application overlaps with a second schedule of a wireless personal area network (WPAN) task for a WPAN sub-system, wherein the second schedule of the WPAN task includes a second plurality of time slots;
responsive to determining that there is an overlap, determining whether the second schedule of the WPAN task can me modified;
responsive to determining that the second schedule of the WPAN task can be modified, generating a third schedule of the WPAN task that does not overlap with the first schedule of the WLAN application; and
in response to generating the third schedule of the WPAN task, causing the WPAN sub-system to modify the second schedule of the WPAN task to the third schedule of the WPAN task.
16 . The WLAN sub-system of claim 15 , wherein the third schedule of the WPAN task is generated by modifying at least one of a periodicity or a duration of the second plurality of time slots to avoid the first plurality of time slots.
17 . The WLAN sub-system of claim 15 , wherein the WLAN application is one of: voice over internet protocol (VoIP), video streaming, or internet of things (IoT) application.
18 . The WLAN sub-system of claim 15 , wherein the WPAN task is one of: a WPAN advertising task, a WPAN scan task, or a WPAN connection task.
19 . The WLAN sub-system of claim 15 , wherein the schedule management engine when executed by the processor is to perform operations further comprising:
responsive to determining that the second schedule of the WPAN task cannot be modified, generating a fourth schedule of the WLAN application that does not overlap with the second schedule of the WPAN task; and
in response to generating the fourth schedule of the WLAN application, causing the WLAN sub-system to modify the first schedule of the WLAN application to the fourth schedule of the WLAN application.
20 . The WLAN sub-system of claim 19 , wherein the fourth schedule of the WLAN application is generated by modifying at least one of: a periodicity or a duration of the first plurality of time slots to avoid the second plurality of time slots.