Method and apparatus for communication of enhanced reduced capability user equipment in wireless communication system
The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system is provided. The method includes obtaining information on a subset of subbands for a specific type of terminal, the subbands composing a bandwidth part, receiving, from a base station, a physical downlink control channel (PDCCH), and receiving, from the base station, a physical downlink shared channel (PDSCH) scheduled by the PDCCH, based on the subset of the subbands.
1 . A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, a first physical downlink control channel (PDCCH) allocating resources for uplink data;
based on the allocated resources being larger than a first bandwidth, mapping a physical uplink shared channel (PUSCH) to resources spanning the first bandwidth starting from a lowest resource block (RB) of the allocated resources; and
transmitting, to the base station, the uplink data on the PUSCH,
wherein the terminal supports a baseband for data transmission and reception having the first bandwidth and a radio frequency (RF) band having a second bandwidth, and wherein the first bandwidth is smaller than the second bandwidth.
2 . The method of claim 1 ,
wherein the first bandwidth is 5 MHz and the second bandwidth is 20 MHz.
3 . The method of claim 1 ,
wherein transmission of a physical random access channel (PRACH) indicating that the terminal is performing a random access procedure is deactivated, and
wherein the uplink data is a message 3 (Msg3) of the random access procedure.
4 . The method of claim 1 , further comprising:
transmitting, to the base station, capability information on a PDCCH processing time of the terminal;
receiving, from the base station, a second PDCCH scheduling a system information block 1 (SIB1); and
receiving, from the base station, the SIB1 based on the second PDCCH,
wherein the SIB1 is received after the PDCCH processing time from receiving the second PDCCH.
5 . The method of claim 4 ,
wherein the second PDCCH includes a bitmap indicating at least one subband within a bandwidth part (BWP), and
wherein the SIB1 is received based on the indicated at least one subband.
6 . A method performed by a base station in a wireless communication system, the method comprising:
transmitting, to a terminal, a first physical downlink control channel (PDCCH) allocating resources for uplink data; and
receiving, from the terminal, the uplink data on a physical uplink shared channel (PUSCH),
wherein, based on the allocated resources being larger than a first bandwidth, the PUSCH is mapped to resources spanning the first bandwidth starting from a lowest resource block (RB) of the allocated resources,
wherein the terminal supports a baseband for data transmission and reception having the first bandwidth and a radio frequency (RF) band having a second bandwidth, and
wherein the first bandwidth is smaller than the second bandwidth.
7 . The method of claim 6 ,
wherein the first bandwidth is 5 MHz and the second bandwidth is 20 MHz.
8 . The method of claim 6 ,
wherein reception of a physical random access channel (PRACH) indicating that the terminal is performing a random access procedure is deactivated, and
wherein the uplink data is a message 3 (Msg3) of the random access procedure.
9 . The method of claim 6 , further comprising:
receiving, from the terminal, capability information on a PDCCH processing time of the terminal;
transmitting, to the terminal, a second PDCCH scheduling a system information block 1 (SIB1); and
transmitting, to the terminal, the SIB1 according to the second PDCCH,
wherein the SIB1 is transmitted after the PDCCH processing time from transmitting the second PDCCH.
10 . The method of claim 9 ,
wherein the second PDCCH includes a bitmap indicating at least one subband within a bandwidth part (BWP), and
wherein the SIB1 is transmitted based on the indicated at least one subband.
11 . A terminal in a wireless communication system, the terminal comprising:
a transceiver; and
at least one processor configured to:
receive, from a base station via the transceiver, a first physical downlink control channel (PDCCH) allocating resources for uplink data, and
based on the allocated resources being larger than a first bandwidth, map a physical uplink shared channel (PUSCH) to resources spanning the first bandwidth starting from a lowest resource block (RB) of the allocated resources, and
transmit, to the base station via the transceiver, the uplink data on the PUSCH,
wherein the terminal supports a baseband for data transmission and reception having the first bandwidth and a radio frequency (RF) band having a second bandwidth, and wherein the first bandwidth is smaller than the second bandwidth.
12 . The terminal of claim 11 ,
wherein the first bandwidth is 5 MHz and the second bandwidth is 20 MHz.
13 . The terminal of claim 11 ,
wherein transmission of a physical random access channel (PRACH) indicating that the terminal is performing a random access procedure is deactivated, and
wherein the uplink data is a message 3 (Msg3) of the random access procedure.
14 . The terminal of claim 11 ,
wherein the at least one processor is further configured to:
transmit, to the base station via the transceiver, capability information on a PDCCH processing time of the terminal,
receive, from the base station via the transceiver, a second PDCCH scheduling a system information block 1 (SIB1), and
receive, from the base station via the transceiver, the SIB1 based on the second PDCCH, and
wherein the SIB1 is received after the PDCCH processing time from receiving the second PDCCH.
15 . The terminal of claim 14 ,
wherein the
second PDCCH includes a bitmap indicating at least one subband within a bandwidth part (BWP), and
wherein the SIB1 is received based on the indicated at least one subband.
16 . A base station in a wireless communication system, the base station comprising:
a transceiver; and
at least one processor of configured to:
transmit, to a terminal via the transceiver, a first physical downlink control channel (PDCCH) allocating resources for uplink data, and
receive, from the terminal via the transceiver, the uplink data on a physical uplink shared channel (PUSCH),
wherein, based on the allocated resources being larger than a first bandwidth, the PUSCH is mapped to resources spanning the first bandwidth starting from a lowest resource block (RB) of the allocated resources,
wherein the terminal supports a baseband for data transmission and reception having the first bandwidth and a radio frequency (RF) band having a second bandwidth, and
wherein the first bandwidth is smaller than the second bandwidth.
17 . The base station of claim 16 ,
wherein the first bandwidth is 5 MHz and the second bandwidth is 20 MHz.
18 . The base station of claim 16 ,
wherein reception of a physical random access channel (PRACH) indicating that the terminal is performing a random access procedure is deactivated, and
wherein the uplink data is a message 3 (Msg3) of the random access procedure.
19 . The base station of claim 16 ,
wherein the at least one processor is further configured to;
receive, from the terminal via the transceiver, capability information on a PDCCH processing time of the terminal, and
transmit, to the terminal via the transceiver, a second PDCCH scheduling a system information block 1 (SIB1); and
transmit, to the terminal via the transceiver, the SIB1 according to the second PDCCH, and
wherein the SIB1 is transmitted after the PDCCH processing time from transmitting the second PDCCH.
20 . The base station of claim 19 ,
wherein the
second PDCCH includes a bitmap indicating at least one subband within a bandwidth part (BWP), and
wherein the SIB1 is transmitted based on the indicated at least one subband.