Wireless service discovery methods, devices and systems
A method can include, by operation of a wireless device, determining at least one set of wireless channel candidates from available wireless channels of at least one wireless standard; determining a network information value accessible to devices of a wireless network; generating a selection value with an arithmetic-logic operation on the network information value; selecting a plurality of wireless channels from the at least one set of wireless channel candidates with the selection value to determine a discovery wireless channel set; and transmitting or receiving on all channels of the discovery wireless channel set in a wireless network discovery operation for the wireless network. Corresponding devices and systems are also disclosed.
1 . A method, comprising:
by operation of a wireless device,
determining at least one set of wireless channel candidates from available wireless channels of at least one wireless standard;
determining a network information value accessible to devices of a wireless network;
generating a selection value with an arithmetic-logic operation on the network information value;
selecting a plurality of wireless channels from the at least one set of wireless channel candidates with the selection value to determine a discovery wireless channel set; and
transmitting or receiving on all channels of the discovery wireless channel set in a wireless network discovery operation for the wireless network.
2 . The method of claim 1 , wherein the set of wireless channel candidates includes wireless channels from a plurality of different bands.
3 . The method of claim 1 , wherein the set of wireless channel candidates includes non-overlapping wireless channels of a same band.
4 . The method of claim 1 , further including
adding a plurality of social wireless channels to the discovery wireless channel set; wherein
the social wireless channels are wireless channels assigned for network discovery operations by at least one standard.
5 . The method of claim 1 , wherein the arithmetic logic operation includes a hash function.
6 . The method of claim 1 , wherein:
the wireless network discovery operation is compatible with a Wi-Fi Aware standard;
the network information value includes a service name for the wireless network; and
the transmitting on all channels of the discovery wireless channel set includes transmitting a neighbor awareness networking (NAN) service discovery frame (SDF); wherein
the NAND SDF is selected from the group of: a NAN SDF publishing message and a NAN SDF subscribe message.
7 . The method of claim 1 , wherein:
the wireless network discovery operation is compatible with a device provisioning protocol (DPP);
the network information value includes a bootstrapping public key;
the arithmetic-logic operation includes a SHA256 function; and
the transmitting on all channels of the discovery wireless channel set includes transmitting DPP message; wherein
the DPP message is selected from the group of: a DPP enrollee presence announcement and a DPP authentication request message.
8 . A device, comprising:
wireless circuits configured to communicate according to at least one wireless communication protocol;
controller circuits configured to
determine candidate channels of at a least one band of the at least one wireless communication protocol,
generate a selection value by executing at least one arithmetic-logic operation on a network information value,
determine a set of discovery channels by selecting channels from the candidate channels with the selection value, and
transmit or receive on all channels of the set of discovery channels in a wireless discovery operation for a wireless network; and
memory circuits configured to store the network information value and the set of discovery channels; wherein
the network information value is value accessible by all devices of the discovery operation.
9 . The device of claim 8 , wherein the wireless circuits are compatible with at least one IEEE 802.11 wireless standard.
10 . The device of claim 8 , wherein:
the controller circuits are configured to determine candidate channels from a plurality of different bands; wherein
the candidate channels are non-overlapping.
11 . The device of claim 8 , wherein:
the wireless network discovery operation is compatible with a Wi-Fi Aware standard; and
the network information value includes a service name for the wireless network; and
the controller circuits are configured to transmit neighbor awareness networking (NAN) service discovery frames (SDF); wherein
the NAND SDF is selected from the group of: a NAN SDF publishing message and a NAN SDF subscribe message.
12 . The device of claim 8 , wherein:
the wireless network discovery operation is compatible with dual provisioning protocol (DPP) of the Wi-Fi Alliance;
the network information value includes a bootstrapping public key;
the arithmetic-logic operation includes a SHA256 function; and
the controller circuits are configured to transmit at least one DPP message; wherein
the DPP message is selected from the group of: a DPP enrollee presence announcement and a DPP authentication request message.
13 . The device of claim 8 , wherein:
the controller circuit is further configured to add a plurality of social wireless channels to the discovery wireless channel set; wherein
the social wireless channels are wireless channels assigned for network discovery transmissions according to the at least one wireless communication protocol.
14 . The device of claim 8 , wherein the wireless circuits, the controller circuits and memory circuits are formed in a same integrated circuit substrate.
15 . A system, comprising:
a first wireless device configured to
determine candidate channels from channels of at a least one band, the channels of the at least one band determined by at least one wireless communication protocol,
generate a selection value by executing at least one arithmetic-logic operation on a network information value,
determine a set of discovery channels by selecting channels from the candidate channels with the selection value, and
transmit or receive on all channels of the set of discovery channels in a wireless discovery operation for a wireless network; and
an antenna system configured to transmit and receive on the at least one band.
16 . The system of claim 15 , further including:
the first wireless device is configured to transmit on all the channels of the set of discovery channels in the wireless discovery operation; and
a second wireless device configured to
determine the candidate channels,
generate the selection value by executing the at least one arithmetic-logic operation on the network information value,
determine the set of discovery channels by selecting channels from the candidate channels with the selection value, and
receive on all channels of the set of discovery channels in the wireless discovery operation.
17 . The system of claim 15 , wherein the at least one band includes the ISM 2.5 GHz band and the ISM 5 GHz band.
18 . The system of claim 15 , wherein the candidate channels are non-overlapping channels.
19 . The system of claim 15 , wherein:
the wireless network discovery operation is compatible with the Wi-Fi Aware standard; and
the network information value includes a service name for the wireless network; and
the first wireless device is configured to transmit neighbor awareness networking (NAN) service discovery frames (SDF); wherein
the NAND SDF is selected from the group of: a NAN SDF publishing message and a NAN SDF subscribe message.
20 . The system of claim 15 , wherein:
the wireless network discovery operation is compatible with a dual provisioning protocol (DPP);
the network information value includes a bootstrapping public key,
the arithmetic logic function includes a SHA256 function; and
the first wireless device is configured to transmit at least one DPP message; wherein
the DPP message is selected from the group of: a DPP enrollee presence announcement and a DPP authentication request message.