Method of transmitting and receiving physical downlink shared channel in wireless communication system

摘要

A method of transmitting and receiving a physical downlink shared channel in a wireless communication system is disclosed. A method of receiving physical downlink shared channels in a terminal which receives downlink data from a plurality of cells simultaneously in a wireless communication system includes receiving the physical downlink shared channel scrambled using a scrambling sequence determined according to same cell ID and same Radio Network Temporary Identity (RNTI) from the plurality of cells.

主权项

1. A method of receiving physical downlink shared channels in a terminal which receives downlink data from a plurality of cells simultaneously in a wireless communication system, the method comprising:
receiving, from each of the plurality of cells, a physical downlink shared channel (PDSCH) scrambled using a scrambling sequence determined according to a same cell ID and a same Radio Network Temporary Identity (RNTI), wherein the plurality of cells use the same cell ID in scrambling the PDSCH with the scrambling sequence for performing a coordinated multi-point (CoMP) operation, instead of using individual cell IDs of the plurality of cells, and wherein the PDSCH is scrambled based on following equations:
{tilde over (b)}q(i)=(bq(i)+cq(i))mod 2cinit=nRNTI·214+q·213+⌊ns2⌋⁢29+NI⁢⁢Dcell where bq(i) denotes data of a q-th codeword of the PDSCH, cq(i) denotes the scrambling cell sequence, ns denotes a slot number, NIDcell denotes the same cell ID, nRNTI denotes the same RNTI.