Multi-access point uplink collaboration

1. A method, comprising:

receiving, by a processor of a first apparatus implemented in a first access point (AP), a second spatial reuse parameter (SRP) related to a second apparatus from the second apparatus implemented in a second AP;

transmitting, by the processor, the second SRP to at least a first communication device associated with the first apparatus; and

receiving, by the processor, a uplink (UL) transmission from the first communication device with a transmit power of the UL transmission controlled based on the second SRP,

wherein the second SRP indicates a transmit power of the second apparatus and an acceptable receiver interference level of the second apparatus,

wherein the transmit power of the UL transmission is controlled to be less than a power threshold by an amount equal to a received power of the second apparatus, and

wherein the power threshold is a sum of the transmit power of the second apparatus and the acceptable receiver interference level of the second apparatus.

2. The method of claim 1 , wherein the first apparatus is associated with a first basic service set (BSS) to which the first communication device belongs, wherein the second apparatus is associated with a second BSS, and wherein the second apparatus is an overlapping basic service set access point (OBSS AP) with respect to the first communication device.

3. The method of claim 1 , further comprising:

transmitting, by the processor, a first SRP related to the first apparatus to the second apparatus.

4. The method of claim 1 , further comprising:

reserving, by the processor, a first dedicated resource unit (RU);

transmitting, by the processor, a first SRP related to the first apparatus to at least a second communication device associated with the second apparatus using the first dedicated RU.

5. The method of claim 4 , wherein the first apparatus is associated with a first basic service set (BSS), wherein the second apparatus is associated with a second BSS to which the second communication device belongs, and wherein the first apparatus is an overlapping basic service set access point (OBSS AP) with respect to the second communication device.

6. A method, comprising:

reserving, by a processor of a first apparatus implemented in a first access point (AP), a first dedicated resource unit (RU);

transmitting, by the processor, a first spatial reuse parameter (SRP) related to the first apparatus to at least a second communication device associated with a second apparatus implemented in a second AP using the first dedicated RU; and

receiving, by the processor, a uplink (UL) transmission from a first communication device associated with the first apparatus with a transmit power of the UL transmission controlled based on a second SRP related to the second apparatus,

wherein the first SRP indicates a transmit power of the first apparatus and an acceptable receiver interference level of the first apparatus,

wherein the transmit power of the UL transmission is controlled to be less than a power threshold by an amount equal to a received power of the second apparatus, and

wherein the power threshold is a sum of a transmit power of the second apparatus and an acceptable receiver interference level of the second apparatus which are indicated in the second SRP.

7. The method of claim 6 , wherein the first apparatus is associated with a first basic service set (BSS) to which the first communication device belongs, wherein the second apparatus is associated with a second BSS to which the second communication device belongs, wherein the first apparatus is a first overlapping basic service set access point (OBSS AP) with respect to the second communication device, and wherein the second apparatus is a second OBSS AP with respect to the first communication device.

8. A method, comprising:

receiving, by a processor of a communication device, a second spatial reuse parameter (SRP) related to a second apparatus from a first apparatus to which the communication device is associated; and

performing, by the processor, a uplink (UL) transmission to the first apparatus by controlling a transmit power of the UL transmission based on the second SRP,

wherein the second SRP indicates a transmit power of the second apparatus and an acceptable receiver interference level of the second apparatus,

wherein the controlling of the transmit power of the UL transmission based on the second SRP comprises:

determining a power threshold to be a sum of the transmit power of the second apparatus and the acceptable receiver interference level of the second apparatus, and

controlling the transmit power to be less than the power threshold by an amount equal to a received power of the second apparatus.

9. The method of claim 8 , wherein the first apparatus is associated with a first basic service set (BSS) to which the communication device belongs, wherein the second apparatus is associated with a second BSS, and wherein the second apparatus is an overlapping basic service set access point (OBSS AP) with respect to the communication device.

10. The method of claim 8 , wherein the receiving of the second SRP comprises receiving the second SRP in a dedicated resource unit (RU).

11. The method of claim 8 , further comprising:

measuring, by the processor, the received power of the second apparatus.

12. The method of claim 8 , further comprising:

receiving, by the processor, a poll trigger from the first apparatus during a transmit opportunity (TXOP); and

transmitting, by the processor, a poll response to the first apparatus responsive to receiving the poll trigger.

13. The method of claim 12 , further comprising:

receiving, by the processor, from the first apparatus an allocation of a group of one or more shared resource units (RUs), a group of one or more dedicated RUs, or both the group of one or more shared RUs and the group of one or more dedicated RUs.

14. The method of claim 13 , wherein the first apparatus is associated with a first basic service set (BSS) to which the communication device belongs, wherein the second apparatus is associated with a second BSS, wherein the group of one or more shared RUs is utilized by both the first BSS and the second BSS for reuse in either or both of a frequency domain and a spatial domain, and wherein the group of one or more dedicated RUs is utilized by the first BSS but not the second BSS.

15. The method of claim 13 , wherein the performing of the UL transmission comprises:

performing the UL transmission using at least one dedicated RU of the group of one or more dedicated RUs; or

performing the UL transmission using at least one shared RU of the group of one or more shared RUs responsive to a predefined condition being satisfied.

16. The method of claim 15 , wherein the predefined condition comprises:

a target received signal strength indicator (RSSI) meeting or exceeding a minimum RSSI threshold; and

the second SRP being no less than the received power of the second apparatus.

17. An apparatus implementable in a first access point (AP), comprising:

a transceiver coupled to communicate wirelessly; and

a processor coupled to the transceiver and configured to, via the transceiver, perform operations comprising:

receiving a second spatial reuse parameter (SRP) related to a second apparatus from the second apparatus implemented in a second AP;

transmitting the second SRP to at least a first communication device associated with the first AP; and

receiving a uplink (UL) transmission from the first communication device with a transmit power of the UL transmission controlled based on the second SRP,

wherein the second SRP indicates a transmit power of the second apparatus and an acceptable receiver interference level of the second apparatus,

wherein the transmit power of the UL transmission is controlled to be less than a power threshold by an amount equal to a received power of the second apparatus, and

wherein the power threshold is a sum of the transmit power of the second apparatus and the acceptable receiver interference level of the second apparatus.

18. The apparatus of claim 17 , wherein the first AP is associated with a first basic service set (BSS) to which the first communication device belongs, wherein the second apparatus is associated with a second BSS, and wherein the second apparatus is an overlapping basic service set access point (OBSS AP) with respect to the first communication device.

19. The apparatus of claim 17 , wherein the processor is further configured to, via the transceiver, perform operations comprising:

transmitting a first SRP related to the first AP to the second apparatus.

20. The apparatus of claim 17 , wherein the processor is further configured to, via the transceiver, perform operations comprising:

reserving a first dedicated resource unit (RU);

transmitting a first SRP related to the first AP to at least a second communication device associated with the second apparatus using the first dedicated RU,

wherein the first AP is associated with a first basic service set (BSS), wherein the second apparatus is associated with a second BSS to which the second communication device belongs, and

wherein the first AP is an overlapping basic service set access point (OBSS AP) with respect to the second communication device.