Method and device for receiving a multimedia broadcast multicast service in a mobile communication system
First Claim
1. A method by a terminal in a wireless communication system, the method comprising:
- receiving, on a primary cell, a random access response (RAR) window size indicating duration of an RAR window through system information;
receiving, on the primary cell, a maximum number of preamble transmissions for a random access of a secondary cell through control information;
transmitting a random access preamble for the random access of the secondary cell based on the maximum number of preamble transmissions; and
receiving an RAR based on the RAR window size.
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Abstract
The present invention relates to a method and device for receiving a multimedia broadcast multicast service (MBMS) in a mobile communication system. The method for receiving the MBMS of a terminal in the mobile communication system according to an embodiment of the present invention is characterized in that it includes: determining whether service area ID (SAI) information on a serving cell is broadcast during the MBMS; receiving the SAI information on the serving cell when it is determined that the SAI information is broadcast; determining, by using the received SAI information of the serving cell, whether an SAI of the MBMS matches the SAI of the serving cell; and changing the cell reselection priority of the frequency of the serving cell to the highest priority if it is determined that the SAI of the MBMS matches the SAI of the serving cell.
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Citations
16 Claims
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1. A method by a terminal in a wireless communication system, the method comprising:
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receiving, on a primary cell, a random access response (RAR) window size indicating duration of an RAR window through system information; receiving, on the primary cell, a maximum number of preamble transmissions for a random access of a secondary cell through control information; transmitting a random access preamble for the random access of the secondary cell based on the maximum number of preamble transmissions; and receiving an RAR based on the RAR window size. - View Dependent Claims (2, 3, 4)
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5. A terminal in a wireless communication system, the terminal comprising:
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a transceiver configured to transmit and receive a signal; and a controller configured to; receive, on a primary cell, a random access response (RAR) window size indicating duration of an RAR window through system information, receive, on the primary cell, a maximum number of preamble transmissions for a random access of a secondary cell through control information, transmit a random access preamble for the random access of the secondary cell based on the maximum number of preamble transmissions, and receive an RAR based on the RAR window size. - View Dependent Claims (6, 7, 8)
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9. A base station in a wireless communication system, the base station comprising:
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a transceiver configured to transmit and receive a signal; and a controller configured to; transmit, on a primary cell, a random access response (RAR) window size indicating duration of an RAR window through system information, transmit, on the primary cell, a maximum number of preamble transmissions for a random access of a secondary cell through control information, and receive a random access preamble for the random access of the secondary cell, wherein the random access preamble is transmitted based on the maximum number of preamble transmissions by the terminal. - View Dependent Claims (10, 11, 12)
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13. A method by a base station in a wireless communication system, the method comprising:
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transmitting, on a primary cell, a random access response (RAR) window size indicating duration of an RAR window through system information; transmitting, on the primary cell, a maximum number of preamble transmissions for a random access of a secondary cell through control information; and receiving a random access preamble for the random access of the secondary cell, wherein the random access preamble is transmitted based on the maximum number of preamble transmissions by the terminal. - View Dependent Claims (14, 15, 16)
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Specification