Method and apparatus for cell initial access and paging in wireless cellular communication system
The present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with an IoT technology and a system thereof. The system may be used for an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and apparatus for inserting an index into a code block as a unit in which a channel code is executed and transmitting the same.
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving measurement gap configuration information configuring a measurement gap offset, a measurement gap length, and a measurement gap period;
receiving channel state information (CSI) configuration information;
identifying a measurement gap based on the measurement gap configuration information wherein the measurement gap is configured for evolved universal terrestrial radio access (EUTRA) and new radio (NR) which are associated with dual connectivity supported in the communication system;
identifying a valid downlink time resource for a CSI measurement based on the CSI configuration information, wherein the valid downlink time resource does not fully overlap with the measurement gap and wherein the valid downlink time resource includes at least one symbol which does not overlap with the measurement gap; and
performing the CSI measurement based on the valid downlink time resource.
2. The method of claim 1 , wherein the measurement gap is identified based on the measurement gap offset, the measurement gap length, and the measurement gap period configured by the measurement gap configuration information.
3. The method of claim 1 , wherein the measurement gap occurs in a radio frame and a subframe satisfying a condition including:
SFN mod T =FLOOR(the measurement gap offset/10);
the subframe=the measurement gap offset mod 10; and
T =the measurement gap period/10,
where the SFN is a system frame number of the radio frame, the FLOOR is a flooring function, and the mod is a modulo operation.
4. The method of claim 1 , further comprising measuring a radio link quality of at least one cell during the measurement gap.
5. The method of claim 2 , further comprising performing an uplink transmission in a time resource which is a part of a normal time resource and occurs immediately after the measurement gap, and
wherein the normal time resource is configured as 14 number of symbols.
6. The method of claim 1 , wherein the CSI configuration information includes information associated with a mapping of a channel state reference signal (CSI-RS).
7. The method of claim 1 , wherein a mapping of a CSI-RS in the valid downlink time resource does not overlap with the measurement gap, and the CSI measurement is performed based on the CSI-RS.
8. A method performed by a base station in a communication system, the method comprising:
transmitting measurement gap configuration information configuring a measurement gap offset, a measurement gap length, and a measurement gap period;
transmitting channel state information (CSI) configuration information and
receiving a result of a CSI measurement associated with a valid downlink time resource,
wherein the valid downlink time resource is associated with the CSI configuration information,
wherein the valid downlink time resource does not fully overlap with a measurement gap associated with the measurement gap configuration information, and the valid downlink time resource includes at least one symbol which does not overlap with the measurement gap, and
wherein the measurement gap is configured for evolved universal terrestrial radio access (EUTRA) and new radio (NR) which are associated with dual connectivity supported in the communication system.
9. The method of claim 8 , wherein the measurement gap occurs in a radio frame and a subframe satisfying a condition including:
SFN mod T =FLOOR(the measurement gap offset/10);
the subframe=the measurement gap offset mod 10; and
T =the measurement gap period/10,
where the SFN is a system frame number of the radio frame, the FLOOR is a flooring function, and the mod is a modulo operation.
10. The method of claim 8 , wherein an uplink transmission is received in a time resource which is a part of a normal time resource and occurs immediately after the measurement gap, and
wherein the normal time resource is configured as 14 number of symbols.
11. A terminal in a communication system, the terminal comprising:
a transceiver; and
a controller coupled with the transceiver configured to:
receive measurement gap configuration information configuring a measurement gap offset, a measurement gap length, and a measurement gap period,
receive channel state information (CSI) configuration information,
identify a measurement gap based on the measurement gap configuration information, wherein the measurement gap is configured to for evolved universal terrestrial radio access (EUTRA) and new radio (NR) which are associated with dual connectivity supported in the communication system,
identify a valid downlink time resource for a CSI measurement based on the CSI configuration information, wherein the valid downlink time resource does not fully overlap with the measurement gap and wherein the valid downlink time resource includes at least one symbol which does not overlap with the measurement gap, and
perform the CSI measurement based on the valid downlink time resource.
12. The terminal of claim 11 , wherein the measurement gap is identified based on the measurement gap offset, the measurement gap length, and the measurement gap period configured by the measurement gap configuration information.
13. The terminal of claim 12 , wherein the measurement gap occurs in a radio frame and a subframe satisfying a condition including:
SFN mod T =FLOOR(the measurement gap offset/10);
the subframe=the measurement gap offset mod 10; and
T =the measurement gap period/10,
where the SFN is a system frame number of the radio frame, the FLOOR is a flooring function, and the mod is a modulo operation.
14. The terminal of claim 11 , wherein the controller is further configured to measure a radio link quality of at least one cell during the measurement gap.
15. The terminal of claim 11 , wherein the controller is further configured to perform an uplink transmission in a time resource which is a part of a normal time resource and occurs immediately after the measurement gap, and
wherein the normal time resource is configured as 14 number of symbols.
16. The terminal of claim 11 , wherein the CSI configuration information includes information associated with a mapping of a channel state reference signal (CSI-RS).
17. The terminal of claim 11 , wherein a mapping of a CSI-RS in the valid downlink time resource does not overlap with the measurement gap, and the CSI measurement is performed based on the CSI-RS.
18. A base station in a communication system, the base station comprising:
a transceiver; and
a controller coupled with the transceiver configured to:
transmit measurement gap configuration information configuring a measurement gap offset, a measurement gap length, and a measurement gap period,
transmit channel state information (CSI) configuration information, and
receive a result of CSI measurement associated with a valid downlink time resource,
wherein the valid downlink time resource is associated with the CSI configuration information,
wherein the valid downlink time resource does not fully overlap with a measurement gap associated with the measurement gap configuration information, and the valid downlink time resource includes at least one symbol which does not overlap with the measurement gap, and
wherein the measurement gap is configured for evolved universal terrestrial radio access (EUTRA) and new radio (NR) which are associated with dual connectivity supported in the communication system.
19. The base station of claim 18 , wherein the measurement gap occurs in a radio frame and a subframe satisfying a following condition including:
SFN mod T =FLOOR(the measurement gap offset/10);
the subframe=the measurement gap offset mod 10; and
T =the measurement gap period/10,
where the SFN is a system frame number of the radio frame, the FLOOR is a flooring function, and the mod is a modulo operation.
20. The base station of claim 18 , wherein an uplink transmission is received in a time resource which is a part of a normal time resource and occurs immediately after the measurement gap, and
wherein the normal time resource is configured as 14 number of symbols.