Method for supporting quality of multimedia broadcast multicast service (MBMS) in mobile communications system and terminal thereof
First Claim
1. A method of providing a Multimedia Broadcast/Multicast Service (MBMS) service in a wireless communications system, the method comprising:
- receiving a feedback configuration parameter from a base station,wherein the feedback configuration parameter is related to a radio resource for a transmission of feedback information with respect to the MBMS service,wherein the feedback configuration parameter is received through an MBMS Control Channel (MCCH), andwherein the feedback configuration parameter is allocated per each MBMS service;
receiving MBMS service data;
transmitting the feedback information using the received feedback configuration parameter,wherein the feedback information is an ACK/NACK signal,wherein the feedback information is transmitted to the base station only when a certain condition is met,wherein the certain condition is previously set by each terminal that is subscribed in the MBMS service,wherein only the NACK signal is transmitted to the base station when the MBMS service data is not successfully received, andwherein the ACK signal is not transmitted to the base station even if the MBMS service data is successfully received;
receiving a measurement control message from the base station, the measurement control message specifying at least a parameter to be measured and a condition for transmitting a measurement report message;
measuring the specified parameter with respect to the MBMS service; and
transmitting a result of the measurement of the specified parameter to the base station when the condition for transmitting a measurement report message is satisfied.
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Abstract
In a wireless mobile communications system, a method of supporting quality of Multimedia Broadcast Multicast Service (MBMS) while using minimum possible radio resource(s) of a cell. A method of providing a multimedia multicast broadcast service (MBMS) in a wireless communications system that may include: transmitting a feedback configuration parameter to at least one terminal that is subscribed in a MBMS service; transmitting a MBMS service data to the at least one terminal; and receiving feedback information from the at lest one terminal that uses the feedback configuration parameter for a transmission of the feedback information.
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Citations
7 Claims
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1. A method of providing a Multimedia Broadcast/Multicast Service (MBMS) service in a wireless communications system, the method comprising:
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receiving a feedback configuration parameter from a base station, wherein the feedback configuration parameter is related to a radio resource for a transmission of feedback information with respect to the MBMS service, wherein the feedback configuration parameter is received through an MBMS Control Channel (MCCH), and wherein the feedback configuration parameter is allocated per each MBMS service; receiving MBMS service data; transmitting the feedback information using the received feedback configuration parameter, wherein the feedback information is an ACK/NACK signal, wherein the feedback information is transmitted to the base station only when a certain condition is met, wherein the certain condition is previously set by each terminal that is subscribed in the MBMS service, wherein only the NACK signal is transmitted to the base station when the MBMS service data is not successfully received, and wherein the ACK signal is not transmitted to the base station even if the MBMS service data is successfully received; receiving a measurement control message from the base station, the measurement control message specifying at least a parameter to be measured and a condition for transmitting a measurement report message; measuring the specified parameter with respect to the MBMS service; and transmitting a result of the measurement of the specified parameter to the base station when the condition for transmitting a measurement report message is satisfied. - View Dependent Claims (2)
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3. A method of providing a Multimedia Broadcast/Multicast Service (MBMS) service in a wireless communications system, the method comprising:
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transmitting a feedback configuration parameter to at least one terminal that is subscribed in the MBMS service, wherein the feedback configuration parameter is related to a radio resource for a transmission of feedback information by the at least one terminal with respect to the MBMS service, wherein the feedback configuration parameter is transmitted through an MBMS Control Channel (MCCH), and wherein the feedback configuration parameter is allocated per each MBMS service; transmitting MBMS service data to the at least one terminal; receiving the feedback information from the at least one terminal according to the feedback configuration parameter, wherein the feedback information is an ACK/NACK signal, wherein only the NACK signal is received from the at least one terminal when the MBMS service data is not successfully received by the at least one terminal, and wherein the ACK signal is not received from the at least one terminal even if the MBMS service data is successfully received by the at least one terminal; transmitting a measurement control message to the at least one terminal, the measurement control message specifying at least a parameter to be measured and a condition for transmitting a measurement report message; and receiving a result of a measurement from the at least one terminal when the condition for transmitting a measurement report message is satisfied, wherein the measurement is of the specified parameter with respect to the MBMS service. - View Dependent Claims (4, 5, 6)
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7. A mobile terminal for providing a Multimedia Broadcast/Multicast Service (MBMS) service in a wireless communications system, the mobile terminal comprising:
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a transceiver adapted to transmit or receive data related to the MBMS service; a memory adapted to store the data transmitted or received via the transceiver or from an external source; and a processor cooperating with the transceiver and the memory and adapted to; receive a feedback configuration parameter from a base station, wherein the feedback configuration parameter is related to a radio resource for a transmission of feedback information with respect to the MBMS service, wherein the feedback configuration parameter is received through an MBMS Control Channel (MCCH), and wherein the feedback configuration parameter is allocated per each MBMS service; receive MBMS service data; transmit feedback information using the received feedback configuration parameter, wherein the feedback information is an ACK/NACK signal, wherein the feedback information is transmitted to the base station only when a certain condition is met, wherein the certain condition is previously set by each terminal that is subscribed in the MBMS service, wherein only the NACK signal is transmitted to the base station when the MBMS service data is not successfully received, and wherein the ACK signal is not transmitted to the base station even if the MBMS service data is successfully received; receive a measurement control message from the base station, the measurement control message specifying at least a parameter to be measured and a condition for transmitting a measurement report message; measure the specified parameter with respect to the MBMS service; and transmit a result of the measurement of the specified parameter to the base station when the condition for transmitting a measurement report message is satisfied.
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Specification