Method for scheduling uplink transmissions from user equipments by a base station determining a measure of a quality of service, and corresponding base station, user equipment and communication system
First Claim
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1. A method of transmitting data packets in an uplink from a plurality of source user equipments to a base station, the data packets being for onward transmission to a plurality of destination user equipments, the method comprising:
- the base station determining a measure of a quality of service from the base station to the plurality of destination user equipments; and
scheduling uplink transmissions from the source user equipments to the base station in dependence on the measure of a quality of service from the base station to the plurality of destination user equipments,wherein the scheduling is with greater priority for one of the plurality of destination user equipments whose downlink quality of service is relatively high than another of the plurality of destination user equipments whose downlink quality of service is relatively low, andwherein the plurality of source user equipments transmit the data packets in the uplink to the base station for onward transmission to the plurality of destination user equipments.
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Abstract
A method of transmitting data packets in an uplink from a plurality of source user equipments to a base station, the data packets being for onward transmission to a plurality of destination user equipments, is disclosed. The method comprising the steps of determining a measure of a quality of service from the base station to a destination user equipment, and scheduling uplink transmissions from the source user equipments to the base station in dependence on the measure of a quality of service.
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Citations
33 Claims
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1. A method of transmitting data packets in an uplink from a plurality of source user equipments to a base station, the data packets being for onward transmission to a plurality of destination user equipments, the method comprising:
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the base station determining a measure of a quality of service from the base station to the plurality of destination user equipments; and scheduling uplink transmissions from the source user equipments to the base station in dependence on the measure of a quality of service from the base station to the plurality of destination user equipments, wherein the scheduling is with greater priority for one of the plurality of destination user equipments whose downlink quality of service is relatively high than another of the plurality of destination user equipments whose downlink quality of service is relatively low, and wherein the plurality of source user equipments transmit the data packets in the uplink to the base station for onward transmission to the plurality of destination user equipments. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A base station for receiving data packets in an uplink from a plurality of source user equipments for onward transmission to a plurality of destination user equipments, the base station comprising:
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a determining unit which determines a measure of a quality of service from the base station to the plurality of destination user equipments; a producing unit which produces a credit value based on the measure of the quality of service from the base station to each of the plurality of destination user equipments; and a transmitting unit which transmits the credit value to a corresponding one of the plurality of source user equipments, wherein scheduling based on the credit value is performed with greater priority for one of the plurality of destination user equipments whose downlink quality of service is relatively higher than another of the plurality of destination user equipments whose downlink quality of service is relatively lower.
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30. A base station for receiving data packets in an uplink from a plurality of source user equipments for onward transmission to a plurality of destination user equipments, the base station comprising:
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a determining unit which determines a measure of a quality of service from the base station to the plurality of destination user equipments; a determining unit which determines, based on the measure of a quality of service from the base station to the plurality of destination user equipments, a transmission format to be used by a user equipment, in the plurality of source user equipments, in scheduling uplink transmissions from the user equipment to the base station; and a transmitting unit which transmits to the user equipment an indication of the transmission format to be used by the user equipment, wherein scheduling to the plurality of destination user equipments is performed with greater priority for one of the plurality of destination user equipments whose downlink quality of service is relatively higher than another of the plurality of destination user equipments whose downlink quality of service is relatively lower.
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31. A user equipment for transmitting data packets in an uplink to a base station for onward transmission to a plurality of destination user equipments, the user equipment comprising:
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a receiving unit which receives from the base station a credit value, the received credit value being an indication of a quality of service from the base station to a destination user equipment, in the plurality of destination user equipments; and a scheduling unit which schedules uplink transmissions from the user equipment to the base station in dependence on the received credit value, wherein the scheduling is with greater priority for one of the plurality of destination user equipments whose downlink quality of service is relatively higher than another of the plurality of destination user equipments whose downlink quality of service is relatively lower.
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32. A communications system comprising:
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a base station for receiving data packets in an uplink from a plurality of source user equipments for onward transmission to a plurality of destination user equipments, the base station comprising; a determining unit which determines a measure of a quality of service from the base station to a destination user equipment, in the plurality of destination user equipments; a producing unit which produces a credit value based on the measure of the quality of service; and a transmitting unit which transmits the credit value to a source user equipment; and the plurality of source user equipments, each being adapted to transmit data packets in an uplink to the base station for onward transmission to the plurality of destination user equipments, and each said source user equipment, in the plurality of said source user equipments, comprising; a receiving unit which receives from the base station said credit value, the credit value being an indication of the quality of service from the base station to a destination user equipment, in the plurality of said destination user equipments; and a scheduling unit which schedules uplink transmissions from the user equipment to the base station in dependence on the credit value.
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33. A communications system comprising:
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a base station for receiving data packets in an uplink from a plurality of source user equipments for onward transmission to a plurality of destination user equipments, the base station comprising; a determining unit which determines a measure of a quality of service from the base station to the plurality of destination user equipments; a determining unit which determines, based on the measure of a quality of service, a transmission format to be used by a source user equipment, in the plurality of source user equipments in scheduling uplink transmissions from the source user equipment to the base station; and a transmitting unit which transmits to the source user equipment an indication of the transmission format to be used by the source user equipment; the plurality of said source user equipments, each being adapted to transmit data packets in an uplink to the base station for onward transmission to the plurality of said destination user equipments, and each said source user equipment comprising; a receiving unit which receives from the base station said indication of the transmission format; and a scheduling unit which schedules the uplink transmissions from each said source user equipment to the base station, wherein the scheduling is with greater priority for one of the plurality of destination user equipments whose downlink quality of service is relatively higher than another of the plurality of destination user equipments whose downlink quality of service is relatively lower.
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Specification