Method and device for transferring data over GPRS network
DC CAFCFirst Claim
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1. A method comprising:
- at a radio link control/medium access control protocol layer, receiving at least one logical link control packet data unit from an upper protocol layer, wherein each logical link control packet data unit belongs to a certain packet data protocol context associated with logical link control connection information and wherein quality of service information relating to the logical link control connection information is defined for the certain packet data protocol context,reordering each logical link control packet data unit the radio link control/medium access control protocol layer according to a relative urgency of transmission of the logical link control packet data unit with respect to a buffered logical link control packet data unit based on at least the logical link control connection information and the quality of service information, anddelivering the received logical link control packet data unit and the buffered logical link control packet data unit further from the radio link control/medium access control protocol layer in reordered order,wherein the method is performed by a mobile station to transfer user data in a wireless packet data network.
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Abstract
A method and device according to the present invention reorders Logical Link Control (LLC) Packet Data Units (PDUs) when user data is transferred over the radio interface between a Mobile Station (MS) and a packet data network. An objection of the present invention is to provide a method and system for transferring user data over a network ensuring the best quality of service characteristics.
15 Citations
58 Claims
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1. A method comprising:
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at a radio link control/medium access control protocol layer, receiving at least one logical link control packet data unit from an upper protocol layer, wherein each logical link control packet data unit belongs to a certain packet data protocol context associated with logical link control connection information and wherein quality of service information relating to the logical link control connection information is defined for the certain packet data protocol context, reordering each logical link control packet data unit the radio link control/medium access control protocol layer according to a relative urgency of transmission of the logical link control packet data unit with respect to a buffered logical link control packet data unit based on at least the logical link control connection information and the quality of service information, and delivering the received logical link control packet data unit and the buffered logical link control packet data unit further from the radio link control/medium access control protocol layer in reordered order, wherein the method is performed by a mobile station to transfer user data in a wireless packet data network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A mobile station comprising
a transceiver configured to transmit and receive packet data messages, a controller configured to generate packet data protocol context activation messages informing the network about the activation of packet data protocol contexts for transmission of at least one logical link control packet data unit comprising user data, each packet data protocol context defines logical link control connection information relating to an urgency of transmission, a layered transmission protocol-arrangement comprising a radio link control/medium access control protocol layer entity as well as higher protocol layer entities, of which the radio link control/medium access control protocol layer entity is configured to receive from at least one upper protocol layer logical link control packet data units, wherein each logical link control packet data unit belongs to a certain packet date protocol context associated with logical link control connection information and wherein quality of service information relating to the logical link control connection information is defined for the certain packet data protocol context, the radio link control/medium access control protocol entity is configured to reorder each received logical link control packet data unit from at least one upper protocol layer according to a relative urgency of transmission of logical link control packet data unit with respect to a buffered logical link control packet data unit based on at least the logical link control connection information and the quality of service information, and the radio link control/medium access control protocol entity is configured to deliver the received logical link control packet data unit and the buffered logical link control packet data unit further from the radio link control/medium access control protocol layer in reordered order.
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38. A network element comprising:
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a controller configured to generate packet data protocol context activation messages configured to inform a network about activation of packet data protocol context for user data transmission, a layered transmission protocol arrangement comprising a radio link control/medium access control protocol layer entity and higher protocol layer entities, where the radio link control/medium access control protocol layer entity is configured; to receive logical link control packet data units from at least one upper protocol layer wherein each logical link control packet data unit belongs to a certain packet data protocol context associated with logical link control connection information and wherein quality of service information relating to the logical link control connection information is defined for the certain packet data protocol context, to reorder each received logical link control packer data unit from at least one upper protocol layer according to a relative urgency of transmission of the logical link control packet data unit with respect to a buffered logical link control packet data unit based on at least the logical link control connection information and the quality of service information, and to deliver the received logical link control packet data unit and the buffered logical link control packet data unit further from the radio link control/medium access control protocol layer in reordered order. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. A method comprising:
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at a radio link control/medium access control protocol layer, receiving at least one logical link control packet data unit from an upper protocol layer, wherein each logical link control packet data unit belongs to a certain packet data protocol context associated with logical link control connection information and wherein quality, of service quality of service information relating to the logical link control connection information is defined for the certain packet data protocol context, reordering each logical link control packet data unit at the radio link control/medium access control protocol layer according to a relative urgency of transmission of the logical link control packet data unit with respect to a buffered logical link control packet data unit based on at least the logical link control connection information and the quality of service information; and delivering the received logical link control packet data unit and the buffered logical link control packet data unit further from the radio link control/medium access control protocol layer in reordered order, wherein the method is performed by a network element of a wireless packet data network.
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Specification