APPLICATION OF SEQUENCE HOPPING AND ORTHOGONAL COVERING CODES TO UPLINK REFERENCE SIGNALS

摘要

Methods and apparatuses are provided for transmitting and receiving references signals. A method includes transmitting a first parameter and a second parameter, which are cell specific parameters; transmitting a third parameter, which is a UE specific parameter; transmitting a CSI; and receiving at least one of a first reference signal, which is generated based on the CSI, for a PUSCH and a second reference signal for a PUCCH. The first reference signal is generated by not applying sequence hopping and group sequence hopping, regardless of values of the first parameter and the second parameter, if the third parameter indicates that the sequence hopping and the group sequence hopping are disabled. The second reference signal is generated by applying the group sequence hopping, if the first parameter indicates that the group sequence hopping is enabled and the third parameter indicates that the sequence hopping and the group sequence hopping are disabled.

主权项

1. A method of a user equipment (UE) for transmitting a reference signal, the method comprising:
receiving a first parameter and a second parameter, which are cell specific parameters; receiving a third parameter, which is a UE specific parameter; receiving a cyclic shift indicator (CSI) indicating a cyclic shift for a sequence and an orthogonal covering code; acquiring a first reference signal for a physical uplink shared channel (PUSCH), based on the third parameter and the CSI; acquiring a second reference signal for a physical uplink control channel (PUCCH), based on the first parameter; and transmitting at least one of the first reference signal and the second reference signal, wherein sequence hopping and group sequence hopping are disabled for the first reference signal, regardless of values of the first parameter and the second parameter, if the third parameter indicates that the sequence hopping and the group sequence hopping are disabled, wherein the group sequence hopping is applied to acquire the second reference signal, if the first parameter indicates that the group sequence hopping is enabled and the third parameter indicates that the sequence hopping and the group sequence hopping are disabled, wherein the sequence hopping includes hopping between two sequences in a group, and wherein the group sequence hopping includes hopping among different groups.