DISTRIBUTED SCHEDULING TO CONTROL INTERFERENCE FOR DATA TRANSACTIONS USING GRANT-LESS TRANSMISSIONS

1 . A method for wireless communications by a wireless node, comprising:

receiving, from a base station, a list of supported modulation and coding schemes (MCS) and at least one parameter to control interference;

determining a data rate and duration for a grant-less transmission based on the list of supported MCS and the at least one parameter;

selecting access resources to use for the grant-less transmission from a common pool of resources configured to be shared by a plurality of wireless nodes for grant-less transmissions; and

transmitting the grant-less transmission using the selected access resources, at the determined data rate and for the determined duration.

2 . The method of claim 1 , wherein determining the data rate comprises:

calculating a transmission power associated with each of one or more of the supported MCS; and

selecting an MCS that is associated with a calculated transmission power that does not exceed a transmission power used for the grant-less transmission.

3 . The method of claim 1 , wherein:

the at least one parameter to control interference comprises a maximum duration for grant-less transmission; and

determining the duration for the grant-less transmission comprises selecting a duration for the grant-less transmission that does not exceed the maximum duration for grant-less transmission.

4 . The method of claim 1 , wherein:

the at least one parameter to control interference comprises a maximum payload size for grant-less transmission regardless of the selected MCS or a maximum payload size for grant-less transmission at each supported MCS; and

determining the duration for the grant-less transmission comprises determining a duration corresponding to the maximum payload size for the MCS corresponding to the determined data rate.

5 . The method of claim 1 , wherein:

the grant-less transmission is transmitted using multiple component carriers (CCs); and

the data rate and the duration for the grant-less transmission are determined per-CC.

6 . The method of claim 5 , wherein transmitting the grant-less transmission over multiple carriers comprises:

transmitting a first portion of the grant-less transmission on a first CC using a first determined data rate and a first determined duration, and

transmitting a second portion of the grant-less transmission on a second CC using a second determined data rate and a second determined duration.

7 . The method of claim 1 , wherein the grant-less transmission is transmitted using a single component carrier (CC).

8 . The method of claim 1 , wherein the access resources comprise a scrambling code or an interleaver and access time.

9 . The method of claim 1 , further comprising including an identification of the wireless node with the grant-less transmission.

10 . An apparatus for wireless communications by a wireless node, comprising:

a receiver configured to receive, from a base station, a list of supported modulation and coding schemes (MCS) and at least one parameter to control interference;

at least one processor configured to determine a data rate and duration for a grant-less transmission based on the list of supported MCS and the at least one parameter, and select access resources to use for the grant-less transmission from a common pool of resources configured to be shared by a plurality of wireless nodes for grant-less transmissions; and

a transmitter configured to transmit the grant-less transmission using the selected access resources, at the determined data rate and for the determined duration.

11 . The apparatus of claim 10 , wherein the at least one processor is configured to determine the data rate by:

calculating a transmission power associated with each of one or more of the supported MCS; and

selecting an MCS that is associated with a calculated transmission power that does not exceed a transmission power used for the grant-less transmission.

12 . The apparatus of claim 10 , wherein:

the at least one parameter to control interference comprises a maximum duration for grant-less transmission; and

the at least one processor is configured to determine the duration for the grant-less transmission by selecting a duration for the grant-less transmission that does not exceed the maximum duration for grant-less transmission.

13 . The apparatus of claim 10 , wherein:

the at least one parameter to control interference comprises a maximum payload size for grant-less transmission regardless of the selected MCS or a maximum payload size for grant-less transmission at each supported MCS; and

the at least one processor is configured to determine the duration for the grant-less transmission by determining a duration corresponding to the maximum payload size for the MCS corresponding to the determined data rate.

14 . The apparatus of claim 10 , wherein:

the transmitter is configured to transmit the grant-less transmission using multiple component carriers (CCs); and

the at least one processor is configured to determine the data rate and the duration for the grant-less transmission per-CC.

15 . The apparatus of claim 14 , wherein the transmitter is configured to transmit the grant-less transmission over multiple carriers by:

transmitting a first portion of the grant-less transmission on a first CC using a first determined data rate and a first determined duration, and

transmitting a second portion of the grant-less transmission on a second CC using a second determined data rate and a second determined duration.

16 . The apparatus of claim 10 , wherein the transmitter is configured to transmit the grant-less transmission using a single component carrier (CC).

17 . The apparatus of claim 10 , wherein the access resources comprise a scrambling code or an interleaver and access time.

18 . The apparatus of claim 10 , wherein the at least one processor is further configured to include an identification of the wireless node with the grant-less transmission.

19 . An apparatus for wireless communications by a wireless node, comprising:

means for receiving, from a base station, a list of supported modulation and coding schemes (MCS) and at least one parameter to control interference;

means for determining a data rate and duration for a grant-less transmission based on the list of supported MCS and the at least one parameter;

means for selecting access resources to use for the grant-less transmission from a common pool of resources configured to be shared by a plurality of wireless nodes for grant-less transmissions; and

means for transmitting the grant-less transmission using the selected access resources, at the determined data rate and for the determined duration.

20 . The apparatus of claim 19 , wherein the means for determining the data rate comprises:

means for calculating a transmission power associated with each of one or more of the supported MCS; and

means for selecting an MCS that is associated with a calculated transmission power that does not exceed a transmission power used for the grant-less transmission.

21 . The apparatus of claim 19 , wherein:

the at least one parameter to control interference comprises a maximum duration for grant-less transmission; and

the means for determining the duration for the grant-less transmission comprises means for selecting a duration for the grant-less transmission that does not exceed the maximum duration for grant-less transmission.

22 . The apparatus of claim 19 , wherein:

the at least one parameter to control interference comprises a maximum payload size for grant-less transmission regardless of the selected MCS or a maximum payload size for grant-less transmission at each supported MCS; and

the means for determining the duration for the grant-less transmission comprises means for determining a duration corresponding to the maximum payload size for the MCS corresponding to the determined data rate.

23 . The apparatus of claim 19 , wherein:

the grant-less transmission is transmitted using multiple component carriers (CCs); and

the data rate and the duration for the grant-less transmission are determined per-CC.

24 . The apparatus of claim 23 , wherein the means for transmitting the grant-less transmission over multiple carriers comprises:

means for transmitting a first portion of the grant-less transmission on a first CC using a first determined data rate and a first determined duration, and

means for transmitting a second portion of the grant-less transmission on a second CC using a second determined data rate and a second determined duration.

25 . A computer readable medium having computer executable code stored thereon for:

receiving, from a base station, a list of supported modulation and coding schemes (MCS) and at least one parameter to control interference;

determining a data rate and duration for a grant-less transmission based on the list of supported MCS and the at least one parameter;

selecting access resources to use for the grant-less transmission from a common pool of resources configured to be shared by a plurality of wireless nodes for grant-less transmissions; and

transmitting the grant-less transmission using the selected access resources, at the determined data rate and for the determined duration.

26 . The computer readable medium of claim 25 , wherein determining the data rate comprises:

calculating a transmission power associated with each of one or more of the supported MCS; and

selecting an MCS that is associated with a calculated transmission power that does not exceed a transmission power used for the grant-less transmission.

27 . The computer readable medium of claim 25 , wherein:

the at least one parameter to control interference comprises a maximum duration for grant-less transmission; and

determining the duration for the grant-less transmission comprises selecting a duration for the grant-less transmission that does not exceed the maximum duration for grant-less transmission.

28 . The computer readable medium of claim 25 , wherein:

the at least one parameter to control interference comprises a maximum payload size for grant-less transmission regardless of the selected MCS or a maximum payload size for grant-less transmission at each supported MCS; and

determining the duration for the grant-less transmission comprises determining a duration corresponding to the maximum payload size for the MCS corresponding to the determined data rate.

29 . The computer readable medium of claim 25 , wherein:

the grant-less transmission is transmitted using multiple component carriers (CCs); and

the data rate and the duration for the grant-less transmission are determined per-CC.

30 . The computer readable medium of claim 29 , wherein transmitting the grant-less transmission over multiple carriers comprises:

transmitting a first portion of the grant-less transmission on a first CC using a first determined data rate and a first determined duration, and

transmitting a second portion of the grant-less transmission on a second CC using a second determined data rate and a second determined duration.