Error Ratio Measurement in the Radio Link Control Layer for Quality of Service Control in a Wireless Communication System
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsFrederic Charpentier, Joachim Lohr, Eiko Seidel
Life of this patent
Estimating the term…
Abstract
In a mobile terminal of a wireless communication system, such as UMTS or any future communication system, the quality of service of received multimedia broadcast multicast service data is controlled by determining the error rate or error ratio of the received service data units in the radio link layer. This allows quality of service control for MBMS services received over a PTM transmission.
Claims30
1-29. (canceled)
A method for controlling the quality of service of a broadcast or multicast service in a mobile terminal of a wireless communication system, comprising the steps of:
- a) receiving service data units via a wireless link of the communication system;
- and
- b) determining an error rate associated with said service data units,
- wherein step b) is carried out in a radio link control layer in unacknowledged data transfer mode.
A mobile terminal for use in a wireless communication system, comprising:
- receiving means for receiving service data units via said wireless communication system;
- and
- controlling means adapted to control said receiving means, said controlling means comprising determining means for determining an error rate associated with said service data units received by a radio link control layer in unacknowledged data transfer mode.
A radio network controller for use in a wireless communication system, comprising:
- a transmitter interface for connecting it to at least one transmitter;
- a receiver interface for connecting it to at least one receiver;
- a core network interface for connecting it to a core network of said wireless communication system;
- and
- controlling means for controlling said interfaces, said transmitter and said receiver,
- said radio network controller being further configured to establish a multimedia broadcast multicast service in said wireless communication system by transmitting service data units via said transmitter;
- to transmit a message via said transmitter, the message comprising configuration information concerning the generation of a measurement report based on an error rate associated with said service data units and/or a transmission of said measurement report;
- to receive reports about error rates associated with said service data units via said receiver;
- and
- to adapt transmission parameters for the transmission of said service data units depending on information comprised within said reports,
- wherein said reports comprise information about an error rate associated with said service data units.
A test system for the test of a mobile terminal, comprising:
- a transmitter for sending data to said mobile terminal;
- a receiver for receiving data from said mobile terminal;
- controlling means adapted to control said receiver and said transmitter;
- and
- a user interface for controlling functions of the test system and for outputting test results,
- said controlling means being further configured to establish a multimedia broadcast multicast service to said mobile terminal by transmitting service data units via said transmitter;
- to transmit a message to said mobile terminal via said transmitter, the message comprising configuration information concerning the generation of a measurement report based on an error rate associated with said service data units and/or a transmission of said measurement report;
- to receive reports via said receiver from said mobile terminal, about error rates associated with said service data units;
- and
- to output a test report via said user interface, based on information comprised within said reports, wherein said reports comprise information about an error rate associated with said service data units.
Dependencies are inferred from the claim text.