Method and device for handling base sequences in a communications network

摘要

The embodiments herein relate to a method in a network node (103), a network node (103), a method in a user equipment (105) and a user equipment for handling base sequences in a communications network (100). The network node (103) is configured to communicate with a first user equipment (105). The network node (103) comprises information about a default base sequence and an alternative base sequence. The network node (103) determines (405, 505, 901), for the first user equipment (105), that the alternative base sequence should replace the default base sequence. The network node (103) sends (406, 506, 902) information about the determined alternative base sequence to the first user equipment (105).

主权项

1. A method in a network node for handling base sequences in a communication network, the network node being configured to communicate with a first user equipment, the network node comprising information about a default base sequence and an alternative base sequence, the method comprising:
determining, for the first user equipment, that the alternative base sequence should replace the default base sequence; and sending information about the determined alternative base sequence to the first user equipment, wherein the information about the alternative base sequence is sent to the first user equipment via scheduling information or via radio resource control (RRC) signalling, in a scheduling grant, and includes: code points in a form of data bit values corresponding to specific cyclic shift/orthogonal cover code (CS/OCC) combinations for a demodulation reference signal (DMRS), an index of the alternative base sequence, or the alternative base sequence.