Ran node, radio terminal, and methods therefor

A radio terminal comprising:

• at least one memory;
• and
• at least one processor coupled to the at least one memory and configured to
• receive system information containing a first initial bandwidth part (BWP) configuration;
• receive a second initial BWP configuration via the system information or via radio terminal dedicated signaling;
• and
• use the second initial BWP configuration,
• wherein the first initial BWP configuration includes cell-specific common parameters of a first initial BWP of a serving cell of the radio terminal,
• wherein the second initial BWP configuration includes cell-specific common parameters of a second initial BWP of the serving cell,
• wherein the first initial BWP is used by at least a first type of radio terminal that performs contention-based random access in the serving cell,
• wherein the second initial BWP is not used by the first type of radio terminal, but is used by a second type of radio terminal that has a limited capability compared to the first type of radio terminal and performs contention-based random access in the serving cell, and
• wherein a bandwidth of the second initial BWP is equal to or narrower than a bandwidth of the first initial BWP.

A method performed by a Radio Access Network (RAN) node, the method comprising:

• broadcasting a first initial bandwidth part (BWP) configuration via system information;
• and
• broadcasting a second initial BWP configuration via the system information or transmitting the second initial BWP configuration via radio terminal dedicated signaling,
• wherein the first initial BWP configuration includes cell-specific common parameters of a first initial BWP of a cell,
• wherein the second initial BWP configuration includes cell-specific common parameters of a second initial BWP of the cell,
• wherein the first initial BWP is used by at least a first type of radio terminal that performs contention-based random access in the cell,
• wherein the second initial BWP is not used by the first type of radio terminal, but is used by a second type of radio terminal that has a limited capability compared to the first type of radio terminal and that performs contention-based random access in the cell, and
• wherein a bandwidth of the second initial BWP is equal to or narrower than a bandwidth of the first initial BWP.