MOBILE COMMUNICATION SYSTEM, MOBILE STATION, BASE STATION, AND CONTROL CHANNEL ALLOCATION METHOD
First Claim
1. A mobile communication system including a mobile station and a base station, wherein:
- the mobile station comprisesa storage unit configured to establish a correspondence between an identifier for a downlink Layer-1 control channel associated with a downlink data channel and a physical channel parameter for an uplink Layer-1 control channel and to store the identifier and the physical channel parameter;
a physical layer parameter determining unit configured to determine the physical channel parameter for the uplink Layer-1 control channel based on the identifier;
an uplink Layer-1 control channel generating unit configured to generate the uplink Layer-1 control channel used for transmitting a result of decoding data on the data channel based on the determined physical channel parameter; and
a transmitting unit configured to transmit control information on the generated uplink Layer-1 control channel; and
the base station comprisesa storage unit configured to establish a correspondence between the identifier for the downlink Layer-1 control channel associated with the downlink data channel and the physical channel parameter for the uplink Layer-1 control channel and to store the identifier and the physical channel parameter;
a reception quality measuring unit configured to measure reception quality on an uplink propagation path based on a signal transmitted from the mobile station;
a downlink Layer-1 control channel generating unit configured to select the physical channel parameter for the uplink Layer-1 control channel based on the reception quality on the uplink propagation path and generate the downlink Layer-1 control channel associated with the downlink data channel corresponding to the physical channel parameter; and
a transmitting unit configured to transmit control information on the generated downlink Layer-1 control channel.
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Accused Products
Abstract
A disclosed mobile station includes a storage unit configured to establish a correspondence between an identifier for a downlink Layer-1 control channel associated with a downlink data channel and a physical channel parameter for an uplink Layer-1 control channel and to store the identifier and the physical channel parameter; and a unit configured to determine the physical channel parameter based on the identifier and generate the uplink Layer-1 control channel. A disclosed base station includes a storage unit; a unit configured to measure reception quality based on a signal transmitted from the mobile station, select the physical channel parameter and generate the downlink Layer-1 control channel corresponding to the physical channel parameter; and a transmitting unit configured to transmit control information on the generated downlink Layer-1 control channel.
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Citations
10 Claims
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1. A mobile communication system including a mobile station and a base station, wherein:
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the mobile station comprises a storage unit configured to establish a correspondence between an identifier for a downlink Layer-1 control channel associated with a downlink data channel and a physical channel parameter for an uplink Layer-1 control channel and to store the identifier and the physical channel parameter; a physical layer parameter determining unit configured to determine the physical channel parameter for the uplink Layer-1 control channel based on the identifier; an uplink Layer-1 control channel generating unit configured to generate the uplink Layer-1 control channel used for transmitting a result of decoding data on the data channel based on the determined physical channel parameter; and a transmitting unit configured to transmit control information on the generated uplink Layer-1 control channel; and the base station comprises a storage unit configured to establish a correspondence between the identifier for the downlink Layer-1 control channel associated with the downlink data channel and the physical channel parameter for the uplink Layer-1 control channel and to store the identifier and the physical channel parameter; a reception quality measuring unit configured to measure reception quality on an uplink propagation path based on a signal transmitted from the mobile station; a downlink Layer-1 control channel generating unit configured to select the physical channel parameter for the uplink Layer-1 control channel based on the reception quality on the uplink propagation path and generate the downlink Layer-1 control channel associated with the downlink data channel corresponding to the physical channel parameter; and a transmitting unit configured to transmit control information on the generated downlink Layer-1 control channel. - View Dependent Claims (2, 3, 4)
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5. A mobile station, comprising:
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a storage unit configured to establish a correspondence between an identifier for a downlink Layer-1 control channel associated with a downlink data channel and a physical channel parameter for an uplink Layer-1 control channel and to store the identifier and the physical channel parameter; a physical layer parameter determining unit configured to determine the physical channel parameter for the uplink Layer-1 control channel based on the identifier; an uplink Layer-1 control channel generating unit configured to generate the uplink Layer-1 control channel used for transmitting a result of decoding data on the data channel based on the determined physical channel parameter; and a transmitting unit configured to transmit control information on the generated uplink Layer-1 control channel.
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6. A base station, comprising:
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a storage unit configured to establish a correspondence between an identifier for a downlink Layer-1 control channel associated with a downlink data channel and a physical channel parameter for an uplink Layer-1 control channel and to store the identifier and the physical channel parameter; a reception quality measuring unit configured to measure reception quality on an uplink propagation path based on a signal transmitted from a mobile station; a downlink Layer-1 control channel generating unit configured to select the physical channel parameter for the uplink Layer-1 control channel based on the reception quality on the uplink propagation path and generate the downlink Layer-1 control channel associated with the downlink data channel corresponding to the physical channel parameter; and a transmitting unit configured to transmit control information on the generated downlink Layer-1 control channel.
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7. A control channel allocating method, comprising the steps of:
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a) measuring, by a base station, reception quality on an uplink propagation path based on a signal transmitted from a mobile station; b) selecting, by the base station, a physical channel parameter for an uplink Layer-1 control channel based on the reception quality on the uplink propagation path and generating a downlink Layer-1 control channel associated with a downlink data channel corresponding to the physical channel parameter; c) transmitting by the base station, control information on the generated downlink Layer-1 control channel; d) receiving, by the mobile station, the control information on the downlink Layer-1 control channel associated with the downlink data channel; e) determining, by the mobile station, the physical channel parameter for the uplink Layer-1 control channel corresponding to an identifier for the downlink Layer-1 control channel associated with the downlink data channel based on a predetermined correspondence between the identifier and the physical channel parameter; f) generating, by the mobile station, the uplink Layer-1 control channel used for transmitting a result of decoding data on the data channel based on the determined physical channel parameter; and g) transmitting, by the mobile station, control information on the generated uplink Layer-1 control channel. - View Dependent Claims (8, 9, 10)
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Specification