What is claimed is:
1. An apparatus of a high efficiency (HE) access point (AP) (HE¬
AP) comprising: memory-; and processing circuitry coupled to the memory, the
5 processing circuity to:
encode a message to indicate a first set of high efficiency (HE) stations (STAs) (HE-STAs) in a basic service set (BSS) are to reset their network allocation vector (NAV) and a second set of HE-STAs in the BSS are to maintain their network allocation vector, the first set of HE-STAs including a 10 plurality of HE-STAs; and
configure the HE-AP to transmit the message.
2. The apparatus of claim 1, wherein the processing circuitry is
further configured to obtain a transmission opportunity for the HE-AP, and to
15 configure the HE-AP to transmit the message during the transmission opportunity of the HE-AP.
3. The apparatus of claim 2, wherein the processing circuity is
further configured to obtain the transmission opportunity by causing the HE-AP
20 to transmit a request to send (RTS) frame indicating a duration of time receiving HE-STAs including the first set of HE-STAs and the second set of HE-STAs are to set their respective network allocation vectors (NAVs), and receiving a clear to send (CTS) frame.
25 4. The apparatus of claim 1, wherein the processing circuity is
further configured to encode the message by encoding a trigger frame to include a first field indicating a first station in the BSS and the first set of HE-STAs is to reset its network allocation vector and to further indicate, by refraining from identifying a second station in the BSS in the trigger frame, that the second
30 station is to maintain its network allocation vector.

5. The apparatus of claim 4, wherein the processing circuity is
further configured to encode the trigger frame to include a second field
identifying a second station in the basic service and the first set of HE-STAs, the
second field identifying the second station by the second field having a value
5 equivalent to an association identifier of the second station, the trigger frame indicating that the second station is to reset its network allocation vector,
6. The apparatus of claim 5, wherein the processing circuitry is
further configured to associate with the second station; and assigning the
10 association identifier to the second station as part of the association,
7. The apparatus of claim 1, wherein the processing circuity is
further configured to encode the message as a conieniion-free (CF) CF-END
frame including a unicast or multicast destination address, the unicast or
15 multicast destination address identifying one or more stations in the first set of
HE-STAs,
8. The apparatus of claim. 1, wherein the processing circuity is
further configured to encode the message as a multi-user (MU) physical layer
20 convergence protocol (PLCP) protocol data unit (PPDU), the MU-PPDU encoded to include a CF-END frame in a resource unit or spatial stream allocated to one or more stations, the one or more stations included in the first set of HE-STAs.
25 9. The apparatus of claim. 8, wherein the processing circuity is
further configured to encode the MU-PPDU to include a second CF-END frame in a second resource unit or second spatial stream allocated to a second set of one or more stations, the second set of one or more stations included in the first set of HE-STAs.

10. The apparatus of claim 1, wherein the memory stores the encoded
message.
11. An apparatus of a high efficiency (HE) station (STA) (HE STA)
5 comprising: memory; and processing circuitry coupled to the memory, the
processing circuity configured to:
decode a message from an HE-AP to determine a subset of devices in a
basic service set of the HE-AP that are to reset their network allocation vector
during a transmission opportunity of the HE-AP;
10 determine whether the HE-STA is included in the subset; and
reset a network allocation vector of the HE-STA based on the determination.
12. The apparatus of claim 11, wherein the processing circuitry is
15 further configured to:
determine the decoded message is a trigger frame; decode, in response to the determination, a first user info field from the trigger frame, the first user info field identifying at least a first HE-STA in the first set of HE-STAs;
20 decode, in response to the determination, a second user info field
identifying at least a second HE-STA in the second set of HE-STAs, wherein the resetting of the network allocation vector of the HE-STA is based on whether any one of the first user info field or the second user info field identifies the HE-STA.
25
13. The apparatus of claim 12, wherein the processing circuitry is
further configured to compare an association identifier of the HE-STA to a value
of the first user info field to determine if the first user info field identifies the
HE-STA. 30

14. The apparatus of claim 12, wherein the processing circuitry is
further configured to determine the HE-STA is not included in the subset of HE-
STAs and maintain the network allocation vector in response to all user info
fields included in the trigger frame failing to identify the HE-STA.
5
15. The apparatus of claim 11, wherein the processing circuitry is
further configured to contend for access to a wireless medium in response to a
reset of the network allocation vector, and to configure the HE-STA to transmit
data during the transmission opportunity of the HE-AP in response to a
10 successful contention for the wireless medium.
16. A method for selective access to a transmission opportunity for a
plurality of high efficiency (HE) stations (STAs) (HE-STAs), the method
comprising:
15 encoding a message to indicate a first set of high efficiency (HE) stations
(STAs) (HE-STAs) in a basic service set (BSS) are to reset their network allocation vector (NAV) and a second set of HE-STAs in the BSS are to maintain their network allocation vector, the first set of HE-STAs including a plurality of HE-STAs; and
20 configuring the HE-AP to transmit the message.
17. The method of claim 16, wherein the encoding of the message
includes encoding the message as a trigger frame to include a first field
indicating a first station in the BSS and the first set of HE-STAs is to reset its
25 network allocation vector and to further indicate, by refraining from identifying a second station in the BSS in the trigger frame, that the second station is to maintain its network allocation vector.

18. The method of claim 16, wherein the encoding of the message
includes encoding the message as a trigger frame as a contention-free (CF) CF-
END frame including a unicast or multicast destination address, the unicast or
multicast destination address identifying one or more stations in the first set of
5 HE-STAs.
19. The method of claim 16, wherein the encoding of the message
includes encoding the message as a multi-user (MU) physical layer convergence
protocol (PLCP) protocol data unit (PPDU), the MU-PPDU encoded to include a
10 CF-END frame in a resource unit or spatial stream allocated to one or more stations, the one or more stations included in the first set of HE-STAs.
20. A non-transitory computer readable storage medium comprising
instructions that when executed cause one or more hardware processors to
15 perform a method for selective access to a transmission opportunity for a plurality of high efficiency (HE) stations (STAs) (HE-STAs), the method comprising:
encoding a message to indicate a first set of high efficiency (HE) stations (STAs) (HE-STAs) in a basic service set (BSS) are to reset their network 20 allocation vector (NAV) and a second set of HE-STAs in the BSS are to
maintain their network allocation vector, the first set of HE-STAs including a plurality of HE-STAs; and
configuring the HE-AP to transmit the message.
25 21. The non-transitory computer readable storage medium of claim
20, wherein the encoding of the message includes encoding the message as a trigger frame to include a first field indicating a first station in the BSS and the first set of HE-STAs is to reset its network allocation vector and to further indicate, by refraining from identifying a second station in the BSS in the trigger
30 frame, that the second station is to maintain its network allocation vector.

22. The non-transitory computer readable storage medium of claim
20, wherein the encoding of the message includes encoding the message as a
contention-free (CF) CF-END frame including a unicast or multicast destination
address, the unicast or multicast destination address identifying one or more
5 stations in the first set of HE-STAs.
23. The non-transitory computer readable storage medium of claim
20, wherein the encoding of the message includes encoding the message as a
multi -USS3* (IViU ) physical layer convergence protocol (PLCP) protocol data unit
10 (PPDU), the MU-PPDU encoded to include a CF-END frame in a resource unit or spatial stream allocated to one or more stations, the one or more stations included in the first set of HE-STAs.