IP Library › Granted Patent US 11,683,678
Granted Patent B2
US 11,683,678 · App. 16/733,489 · Granted Jun 20, 2023

Discovery frames and group addressed frames transmission

Inventors: Guoqing Li (Campbell, CA); Christiaan A. Hartman (San Jose, CA); Yong Liu (Cupertino, CA); Jarkko L. Kneckt (Los Gatos, CA)
Assignee: Apple Inc.
H04W8/26H04L61/503H04L61/5038H04W76/11H04L2101/622
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Quick Facts
Patent No.
US 11,683,678
App. No.
16/733,489
Granted
Jun 20, 2023
Kind
B2
Abstract

Some embodiments of this disclosure include apparatuses and methods for implementing discovery frames and group addressed frames communication. For example, some embodiments relate to a method including generating a first frame to be transmitted to a first electronic device. An association identifier (AID) value of the first frame is set to a first value to indicate that the first frame is an individually addressed frame addressed to the first electronic device. The method further includes generating a second frame to be transmitted to a group of one or more electronic devices. An AID value of the second frame is set to a second value different from the first value. The method also includes transmitting the first frame and the second frame.

Claims (36)

1. A method performed by a source electronic device, the method comprising:

generating, by the source electronic device, a first frame to be transmitted to a first electronic device unassociated with the source electronic device, wherein an association identifier (AID) value of the first frame is set to a first value to indicate that the first frame is an individually addressed frame addressed to the first electronic device;

generating, by the source electronic device, a second frame to be transmitted to a group of one or more electronic devices unassociated with the source electronic device, wherein the second frame comprises a broadcast frame and wherein an AID value of the second frame is set to a second value different from the first value to indicate a transmission of the broadcast frame;

generating, by the source electronic device, a third frame by:

aggregating two or more group addressed media access control (MAC) service data units (MSDUs) to generate a first group addressed MAC protocol data unit (MPDU), wherein the two or more group addressed MSDUs have same receiver addresses; and

aggregating the first group addressed MPDU and a second group addressed MPDU to generate a physical layer convergence protocol data unit (PPDU), wherein the first MPDU and the second MPDU are associated with a same basic service set (BSS); and

transmitting, by the source electronic device, the first frame, the second frame, and the third frame.

2. The method of claim 1 , wherein the second value comprises 2045 and the broadcast frame comprises at least one of a broadcast probe response or a fast initial link setup (FILS) Discovery frame.

3. The method of claim 1 , wherein the first value comprises 2044 and the first frame comprises at least one of an access network query protocol (ANQP) query response, an individually addressed Probe Response, an individually addressed Authentication Response, or an individually addressed Association Response.

4. The method of claim 1 , further comprising:

generating a fourth frame comprising a group addressed frame to be transmitted to a second group of one or more electronic devices; and

assigning a basic service set (BSS) specific AID value to the group addressed frame.

5. The method of claim 1 , wherein the PPDU comprises at least one of a single user (SU) PPDU or a multi user (MU) PPDU.

6. The method of claim 1 , wherein:

the first value comprises 2044 and the first frame comprises at least one of an access network query protocol (ANQP) query response, an individually addressed Probe Response, an individually addressed Authentication Response, or an individually addressed Association Response, and

the second value comprises 2045 and the broadcast frame comprises at least one of a broadcast probe response or a fast initial link setup (FILS) Discovery frame.

7. A source electronic device, comprising:

a transceiver configured to transmit and receive wireless communications; and

one or more processors communicatively coupled to the transceiver and configured to:

generate a first frame to be transmitted to a first electronic device, wherein an association identifier (AID) value of the first frame is set to a first value to indicate that the first frame is an individually addressed frame addressed to the first electronic device;

generate a second frame to be transmitted to a group of one or more electronic devices, wherein an AID value of the second frame is set to a second value different from the first value, wherein the generating the second frame comprises:

aggregating two or more group addressed media access control (MAC) service data units (MSDUs) to generate a first group addressed MAC protocol data unit (MPDU), wherein the two or more group addressed MSDUs have same receiver addresses; and

aggregating the first group addressed MPDU and a second group addressed MPDU to generate a physical layer convergence protocol data unit (PPDU), wherein the first MPDU and the second MPDU are associated with a same basic service set (BSS); and

transmit, using the transceiver, the first frame and the second frame.

8. The source electronic device of claim 7 , wherein the source electronic device comprises an access point (AP), the first electronic device is unassociated with the AP, and the group of one or more electronic devices is associated with the AP.

9. The source electronic device of claim 7 , wherein the first value comprises 2044 and the individually addressed frame comprises at least one of an access network query protocol (ANQP) query response, an individually addressed Authentication Response, an individually addressed Probe Response, or an individually addressed Association Response.

10. The source electronic device of claim 7 , wherein the one or more processors are further configured to:

assign a BSS specific AID value as the second value.

11. The source electronic device of claim 7 , wherein the PPDU comprises at least one of a single user (SU) PPDU or a multi user (MU) PPDU.

12. A non-transitory computer-readable medium storing instructions that, when executed by a processor of a source electronic device, cause the processor to perform operations, the operations comprising:

generating a first frame to be transmitted to a first electronic device, wherein an association identifier (AID) value of the first frame is set to a first value to indicate that the first frame is an individually addressed frame addressed to the first electronic device;

generating a second frame to be transmitted to a group of one or more electronic devices, wherein an AID value of the second frame is set to a second value different from the first value, wherein the generating the second frame comprises:

aggregating two or more group addressed media access control (MAC) service data units (MSDUs) to generate a first group addressed MAC protocol data unit (MPDU), wherein the two or more group addressed MSDUs have same receiver addresses; and

aggregating the first group addressed MPDU and a second group addressed MPDU to generate a physical layer convergence protocol data unit (PPDU), wherein the first MPDU and the second MPDU are associated with a same basic service set (BSS); and

transmitting the first frame and the second frame.

13. The non-transitory computer-readable medium of claim 12 , wherein the source electronic device comprises an access point (AP), the first electronic device is unassociated with the AP, and the group of one or more electronic devices is associated with the AP.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 3, 2020
From: LI, GUOQING; HARTMAN, CHRISTIAAN A.; LIU, YONG; KNECKT, JARKKO L.
To: APPLE INC.
Reel/Frame 052303/0727 →
Continuity (2)
Provisional Application 62788529 · Jan 4, 2019
Related Publication 20200221292A1 · Jul 9, 2020