Radio communication system and mobile station device
First Claim
Patent Images
1. A radio communication system, comprising:
- a base station device; and
a mobile station device configured to transmit a random access preamble to the base station device and to receive a random access response transmitted from the base station device in response to the transmitted random access preamble, whereinthe base station device receives the random access preamble from the mobile station device and transmits the random access response to the mobile station device in response to the received random access preamble, andwherein, in the mobile station device, when a subframe for transmitting a message scheduled by the random access response from the mobile station device overlaps with a subframe for transmitting uplink control information from the mobile station device, the mobile station device transmits the message scheduled by the random access response.
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Abstract
A mobile station device transmits a random access preamble to a base station device and performs uplink timing alignment based on the synchronization timing deviation information included in a random access response which the base station device transmits in response to the transmitted random access preamble, wherein in an uplink synchronous status, the mobile station device does not perform uplink timing alignment based on synchronization timing deviation information included in a random access response, which is a response to a random access preamble whose preamble ID is randomly selected by the mobile station device.
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Citations
3 Claims
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1. A radio communication system, comprising:
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a base station device; and a mobile station device configured to transmit a random access preamble to the base station device and to receive a random access response transmitted from the base station device in response to the transmitted random access preamble, wherein the base station device receives the random access preamble from the mobile station device and transmits the random access response to the mobile station device in response to the received random access preamble, and wherein, in the mobile station device, when a subframe for transmitting a message scheduled by the random access response from the mobile station device overlaps with a subframe for transmitting uplink control information from the mobile station device, the mobile station device transmits the message scheduled by the random access response.
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2. A mobile station device, comprising:
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a transmission unit configured to transmit a random access preamble to a base station device; and a reception unit configured to receive a random access response transmitted from the base station device in response to the transmitted random access preamble, wherein when a subframe for transmitting a message scheduled by the random access response from the mobile station device overlaps with a subframe for transmitting uplink control information from the mobile station device, the mobile station device transmits the message scheduled by the random access response.
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3. A processing method of a mobile station device, the method comprising:
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transmitting a random access preamble to a base station device; and receiving a random access response transmitted from the base station device in response to the transmitted random access preamble, wherein when a subframe for transmitting a message scheduled by the random access response from the mobile station device overlaps with a subframe for transmitting uplink control information from the mobile station device, the mobile station device transmits the message scheduled by the random access response.
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Specification