Method and apparatus for requesting system information
AssigneeLG Electronics Inc.
InventorsSangwon KIM, Youngdae LEE, Jaewook LEE
Life of this patent
Estimating the term…
Abstract
Provided are a method for a user equipment (UE) to request system information in a wireless communication system and a device supporting the same. The method may include: transmitting a random access preamble for requesting system information to a base station (BS); receiving, from the BS, a random access response including only a random access preamble identifier (RAPID) corresponding to the transmitted random access preamble; and considering that a random access procedure is completed.
Claims16
1-15. (canceled)
A method for receiving, by a user equipment (UE), system information in a wireless communication system, the method comprising:
- transmitting, to a base station (BS), a random access preamble for requesting the system information;
- receiving, from the BS, a random access response (RAR) message including a random access preamble identifier (RAPID) related to the random access preamble for requesting the system information, wherein the RAR message includes no medium access control random access response (MAC RAR) related to the RAPID;
- determining that the RAR message is received, based on the RAR message including the RAPID related to the random access preamble;
- based on determining that the RAR message is received, and based on the RAR message including no MAC RAR related to the RAPID, determining that a random access procedure is completed;
- and
- receiving, from the BS, the system information without transmitting a message to the BS in response to the RAR message, based on the RAR message including no MAC RAR related to the RAPID.
A user equipment (UE) for receiving system information, the UE comprising:
- one or more memories storing instructions;
- one or more transceivers;
- and
- one or more processors connected to the one or more memories and the one or more transceivers, wherein the one or more processors execute the instructions to:
- transmit, to a base station (BS), a random access preamble for requesting the system information;
- receive, from the BS, a random access response (RAR) message including a random access preamble identifier (RAPID) related to the random access preamble for requesting the system information, wherein the RAR message includes no medium access control random access response (MAC RAR) related to the RAPID;
- determine the RAR message is received, based on the RAR message including the RAPID related to the random access preamble;
- based on determining that the RAR message is received, and based on the RAR message including no MAC RAR related to the RAPID, determine that a random access procedure is completed;
- and
- receive, from the BS, the system information without transmitting a message to the BS in response to the RAR message, based on the RAR message including no MAC RAR related to the RAPID.
An apparatus configured to control a user equipment (UE), the apparatus comprising:
- one or more processors;
- and
- one or more memories operably connectable to the one or more processors and storing instructions, wherein the one or more processors execute the instructions to:
- transmit, to a base station (BS), a random access preamble for requesting the system information;
- receive, from the BS, a random access response (RAR) message including a random access preamble identifier (RAPID) related to the random access preamble for requesting the system information, wherein the RAR message includes no medium access control random access response (MAC RAR) related to the RAPID;
- determine the RAR message is received, based on the RAR message including the RAPID related to the random access preamble;
- based on determining that the RAR message is received, and based on the RAR message including no MAC RAR related to the RAPID, determine that a random access procedure is completed;
- and
- receive, from the BS, the system information without transmitting a message to the BS in response to the RAR message, based on the RAR message including no MAC RAR related to the RAPID.
Dependencies are inferred from the claim text.