Physical layer enhancements for early data transmission

A method of wireless communication at a user equipment (UE), comprising:

• receiving an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication indicates a random access response (RAR) parameters corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• transmitting a random access request to the base station;
• receiving a MCS index in a random access response (RAR) from the base station, wherein the MCS index received in the RAR corresponds to the unassigned MCS index;
• and
• transmitting a connection request message to the base station based on the MCS index and the RAR parameters received in the SIB.

A method of wireless communication at a user equipment (UE), comprising:

• receiving an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication comprises a scaling value;
• transmitting a random access request to the base station:
• receiving a Modulation and Coding Scheme (MCS) index in a random access response (RAR) from the base station;
• and
• transmitting a connection request message to the base station based on the MCS index and a number of resource units corresponding to the MCS index that has been scaled by the scaling value received in the SIB.

A method of wireless communication at a user equipment (UE), comprising:

• receiving an indication of at least one parameter in a System Information BLock (SIB) from a base station, wherein the indication comprises a scaling value;
• transmitting a random access request to the base station;
• reeiving a Modulation and Coding Scheme (MCS) index in a rndom access response (RAR) from the base station;
• and
• transmitting a connection request message to the base station based on the MCS index and a transport block size corresponding to the MCS index that has been scaled by the scaling value received in the SIB.

A user equipment (UE), comprising:

• means for receiving an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication indicates a transport block size (TBS) value corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• means for transmitting a random access request to the base station;
• means for receiving an MCS index in a random acess reponse (RAR) from the base station, wherein the MCS index received in the RAR correponds to the unassigned MCS index;
• and
• means for transmitting a connection request message to the base sttion using a number of resource units based on the MCS index and the TBS value indicated in the SIB.

A user equipment (UE), comprising:

• means for receiving an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication indicates a random access reqponse (RAR) parameters corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• means for transmitting a random access request to the base station;
• means for receiving a MCS index in a RAR from the base station, wherein the MCS index received in the RAR corresponds to the unassigned MCS index;
• and
• means for transmitting a connection request message to the base station based on the MCS index and the RAR parameters received in the SIB.

A user equipment (UE), comprising:

• means for receiving an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication comprises a scaling value;
• means for transmitting a random access request to the base station;
• means for receiving a Modulation and Coding Scheme (MCS) index in a random access response (RAR) from the base station;
• and
• means for transmitting a connection request message to the base station based on the MCS index and a number of resource units corresponding to the MCS index that has been scaled by the scaling value received in the SIB.

A user equipement (UE), comprising:

• means for receiving an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication comprises a scaling value;
• means for transmitting a random access request to the bae station;
• means for receiving a Modulation and Coding Scheme (MCS) index in a random access response (RAR) from the base station;
• and
• means for transmitting a connection request message to the base station based on the MCS index and a transport block size corresponding the the MCS index that has been scaled by the scaling value received in the SIB.

A user equipment (UE), comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• receive an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication indicates a transport block size (TBS) value corresponding to an unasigned Modulation and Coding Scheme (MCS) index;
• transmit a random access request to the base station;
• receive an MCS index in a random access response (RAR) from the base station, wherein the MCS index received in the RAR corresponds to the unassigned MCS index;
• and
• transmit a connection request message to the base station using a number of resource units based on the MCS index and the TBS value indicated in the SIB.

A user equipment (UE), comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• receive an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication indicates a random access response (RAR) parameters corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• transmit a random access request to the base station;
• receive a MCS index in a RAR from the base station, wherein the MCS index received in the RAR corresponds to the unassigned MCS index;
• and
• transmit a connection request message to the base station based on the MCS index and the RAR parameters received in the SIB.

A user equipment (UE), comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to;
• receive an indication of at least one parameter in a System Information BLock (SIB) from a base station, wherein the indication comprises a scaling value;
• transmit a random access request to the base station;
• receive a Modulation and Coding Scheme (MCS) index in a random access response (RAR) from the base station;
• and
• transmit a connecton request message to the base station based on the MCS index and a number of resource units corresponding to the MCS index that has been scaled by the scaling value received in the SIB.

A user equipment (UE), comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to;
• receive an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication comprises a scaling value;
• transmit a random access request to the base station;
• receive a Modulation and Coding Scheme (MCS) index in a random access response (RAR) from the base station;
• and
• transmit a connection request message to the base station based on the MCS index and a transport block size corresponding to the MCS index that has been scaled by the scaling value received in the SIB.

A non-transitory computer-readable medium storing computer executable code for wireless communication at a user equipment, comprising code to:

• receive an indication of at least one parameter in a System Information Block (SIB) from a base station, wherein the indication indicates a transport block size (TBS) value corresponding to an unsassigned Modulation and Coding Scheme (MCS) index;
• transmit a random access request to the base station;
• receive an MCS index in a random access response from the base station, wherein the MCS index received in the RAR corresponds to the unassigned MCS index;
• and
• transmit a connection request message to the base station using a number of resource units based on the MCS index and the TBS value indicated in the SIB.

A method of wireless communication at a base station, comprising:

• transmitting an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication indicates a transport block size (TBS) value corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• receiving a random access request from a user equipment (UE);
• transmitting an MCS index in a random access response (RAR) to the UE, wherein the MCS index transmitted in the RAR corresponds to the unassigned MCS index;
• and
• receiving, from the UE, a connection request message using a number of resource units based on the MCS index and the TBS value indicated in the SIB.

A method of wireless communication at a base station, comprising:

• transmitting an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication indicates a random access response (RAR) parameters corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• receiving a random access request from a user equipment (UE);
• transmitting a MCS index in a RAR to the UE, wherein the MCS index transmitted in the RAR corresponds to the unassigned MCS index;
• and
• receiving, from the UE, a connection request message based on the MCS index and the RAR parameters in the SIB.

A base station comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• transmit an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication indicates a transport block size (TBS) value corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• receive a random access request from a user equipment (UE);
• transmit an MCS index in a random access response (RAR) to the UE, wherein the MCS index transmitted in the RAR corresponds to the unassigned MCS index;
• and
• receive, from the UE, a connection request message based on the MCS index and the TBS value indicated in the SIB.

A base station comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• transmit an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication indicates a random access response (RAR) parameters corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• receive a random access request from a user equipment (UE);
• transmit a MCS index in a RAR to the UE, wherein the MS index transmitted in the RAR corresponds to the unassigned MCS index;
• and
• receive, from the UE, a connection request message based on the MCS index and the RAR parameters in the SIB.

A base station comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• transmit an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication comprises a scaling value;
• receive a random access request from a user equipment (UE);
• transmit a Modulation and Coding Scheme (MCS) index in a random access response (RAR) to the UE;
• and
• receive, from the UE, a connection request message based on the MCS index and a number of resource units correspoinding to the MCS index that has been scaled by the scaling value received in the SIB.

A base station comprising:

• means for transmitting an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication indicates a transport block size (TBS) value corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• means for receiving a random access request from a user equipment (UE);
• means for transmitting an MCS index in a random access response (RAR) to the UE, wherein the MCS index transmitted in the RAR corresponds to the unassigned MCS index;
• and
• means for receiving, from the UE, a connection request message based on the MCS index and the TBS value indicated in the SIB.

A base station comprising:

• means for transmitting an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication indicates a random access response (RAR) parameters corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• means for receiving a random access request from a user equipment (UE);
• means for transmitting a MCS index in a RAR to the UE, wherein the MCS index transmitted in the RAR correspoinds to the unassigned MCS index;
• and
• means for receiving, from the UE, a connection reqeust message based on the MCS index and the RAR parameters in the SIB.

A base station comprising:

• means for transmitting an indication of at least one parameter associated with a random access respoinse grant in a System Information Block (SIB), wherein the indication comprises a scaling value;
• means for receiving a random access request from a user equipment (UE);
• means for transmitting a Modulation and Coding Scheme (MCS) index in a random access response (RAR) to the UE;
• and
• means for receiving, from the UE, a connection request message based on the MCS index and a number of resource units corresponding to the MCS index that has been scaled by the scaling value indicated in the SIB.

A non-transitory computer-readable medium storing computer executable code for wireless communication at a base station, comprising code to:

• transmit an indication of at least one parameter associated with a random access response grant in a System Information Block (SIB), wherein the indication indicates a transport block size (TBS) value corresponding to an unassigned Modulation and Coding Scheme (MCS) index;
• receive a random access request from a user equipment (UE);
• transmit an MCS index in a random access response (RAR) to the UE, wherein the MCS index transmitted in the RAR corresponds to the unassigned MCS index;
• and
• receive, from the UE, a connection request message based on the MCS index and the TBS value indicated in the SIB.