Communicating UCI in autonomous uplink transmissions
Apparatuses, methods, and systems are disclosed for communicating uplink control information (“UCI”) with cyclic redundancy check (“CRC”) in an autonomous uplink (“AUL”) transmission. One apparatus includes a processor and a transceiver that receives a control signal to enable AUL transmission. The processor determines to transmit data in an AUL transmission and generates UCI for the AUL transmission, wherein the UCI comprises a CRC, wherein the UCI further indicates an identifier of the apparatus. The processor transmits, via the transceiver, the UCI with the AUL transmission, wherein the AUL transmission comprises the UCI.
1. An apparatus comprising:
a transceiver that receives a control signal to enable autonomous uplink (“AUL”) transmission; and
a processor that:
determines to transmit data in an AUL transmission;
scrambles a cyclic redundancy check (“CRC”) by a first portion of an identifier of the remote unit, wherein the identifier comprises more bits than the CRC, wherein the identifier consists of the first portion and a second portion, wherein both the CRC and the first portion are a common size, and wherein the first portion and the second portion correspond to different bits of the identifier;
generates uplink control information (“UCI”) for the AUL transmission, wherein the UCI comprises a hybrid automatic repeat request (“HARQ”) process identifier, a new data indicator, a redundancy version (“RV”) value, the second portion of the identifier, and the scrambled CRC; and
transmits, via the transceiver, the UCI with the AUL transmission, wherein the AUL transmission comprises the UCI.
2. The apparatus of claim 1 , wherein the identifier is a radio network temporary identifier (“RNTI”).
3. The apparatus of claim 2 , wherein the RNTI is one of a cell RNTI (“C-RNTI”) and an AUL-specific RNTI (“AUL-RNTI”).
4. The apparatus of claim 1 , wherein generating the UCI for the AUL transmission comprises scrambling the CRC using the identifier of the remote unit.
5. The apparatus of claim 1 , wherein the UCI consists of said HARQ process identifier, said new data indicator, said RV value, said second portion of the identifier of the remote unit, and said CRC that is scrambled by the first portion of the identifier of the remote unit.
6. The apparatus of claim 1 , wherein the identifier is a radio network temporary identifier (“RNTI”), wherein the second portion of the identifier consists of the most significant bits of the RNTI, and wherein the first portion of the identifier consists of the least significant bits of the RNTI.
7. A method comprising:
determining, at a remote unit, to transmit data in an autonomous uplink (“AUL”) transmission;
scrambling a cyclic redundancy check (“CRC”) by a first portion of an identifier of the remote unit, wherein the identifier comprises more bits than the CRC, wherein the identifier consists of the first portion and a second portion, wherein both the CRC and the first portion are a common size, and wherein the first portion and the second portion correspond to different bits of the identifier;
generating uplink control information (“UCI”) for the AUL transmission, wherein the UCI comprises a hybrid automatic repeat request (“HARQ”) process identifier, a new data indicator, a redundancy version (“RV”) value, the second portion of the identifier, and the scrambled CRC; and
transmitting, to a base unit, the UCI with the AUL transmission, wherein the AUL transmission comprises the UCI.
8. The method of claim 7 , wherein the identifier is a radio network temporary identifier (“RNTI”).
9. The method of claim 8 , wherein the RNTI is one of a cell RNTI (“C-RNTI”) and an AUL-specific RNTI (“AUL-RNTI”).
10. The method of claim 7 , wherein generating the UCI for the AUL transmission comprises scrambling the CRC using the identifier of the remote unit.
11. The method of claim 7 , wherein the UCI consists of said HARQ process identifier, said new data indicator, said RV value, said second portion of the identifier of the remote unit, and the scrambled said CRC that is scrambled by the first portion of the identifier of the remote unit.
12. The method of claim 7 , wherein the identifier is a radio network temporary identifier (“RNTI”), wherein the second portion of the identifier consists of the most significant bits of the RNTI, and wherein the first portion of the identifier consists of the least significant bits of the RNTI.