Random access procedure with enhanced coverage
First Claim
Patent Images
1. A method, comprising:
- transmitting a message burst preamble by a user equipment over a random access channel of a wireless communication system, and including a signature with the preamble;
receiving by the user equipment, one or more messages in response to said transmission, said one or more messages indicating an acknowledgment of having received the preamble and providing a preamble identifier and a resource allocation of a shared channel; and
transmitting a message burst by the user equipment on the shared channel according to the resource allocation, and including an address in the message burst for use in identifying the user equipment.
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Accused Products
Abstract
A random access procedure for use by a UE wireless communication terminal in communicating with a base station (or Node-B or eNB) of a radio access network, and in particular a E-UTRA network. A random access preamble is sent by the UE via RACH separate and prior to a random access message burst, which is sent on SCH but not until the UE receives one or more messages indicating an acknowledgment of the preamble and providing an allocation on SCH for use in transmitting the message burst, and also providing a preamble identifier, which the radio access network can then use to request retransmission of the message burst if necessary.
9 Citations
49 Claims
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1. A method, comprising:
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transmitting a message burst preamble by a user equipment over a random access channel of a wireless communication system, and including a signature with the preamble; receiving by the user equipment, one or more messages in response to said transmission, said one or more messages indicating an acknowledgment of having received the preamble and providing a preamble identifier and a resource allocation of a shared channel; and transmitting a message burst by the user equipment on the shared channel according to the resource allocation, and including an address in the message burst for use in identifying the user equipment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus, comprising at least one processor and at least one non-transitory memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to:
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transmit a message burst preamble, with a signature, to a base station of a radio access network over a random access channel of a wireless communication system; receive from the base station in response one or more messages that indicate an acknowledgment of having received the preamble and that provide a preamble identifier and a resource allocation of a shared channel; and provide a message burst for transmission to the base station on the shared channel according to the resource allocation, the message burst including an address for use in identifying a user equipment. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method, comprising:
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receiving a message burst preamble and a signature from a user equipment over a random access channel of a wireless communication system by a base station of a radio access network; transmitting one or more messages to the user equipment in response to the message burst preamble, wherein the one or more messages indicate an acknowledgment of having received the preamble and include a preamble identifier and a resource allocation of at least a portion of a shared channel; and receiving a message burst from the user equipment on the shared channel according to the resource allocation, decoding the message burst, and obtaining an address in the message burst for use in identifying the user equipment. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. An apparatus, comprising at least one processor and at least one non-transitory memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to:
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receive a message burst preamble and a signature from a user equipment of a radio access network over a random access channel of a wireless communication system; provide for transmission to the user equipment of one or more messages in response to the message burst preamble, wherein the one or more messages indicate an acknowledgment of having received the preamble and include a preamble identifier and a resource allocation of at least a portion of a shared channel; and receive from the user equipment a message burst on the shared channel according to the resource allocation, decode the message burst, and obtain an address from the message burst for use in identifying the user equipment. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. An apparatus, comprising:
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means for transmitting a message burst preamble to a base station of a radio access network over a random access channel of a wireless communication system, and for including a signature with the preamble, where the means for transmitting the message burst preamble comprises at least one processor and at least one non-transitory memory including computer program code; means for receiving from the base station in response one or more messages indicating an acknowledgment of having received the preamble and providing a preamble identifier and a resource allocation of a shared channel, where the means for receiving and providing comprises the at least one processor and the at least one non-transitory memory including computer program code; and means for transmitting a message burst on the shared channel according to the resource allocation, and for including an address in the message burst for use in identifying a user equipment, where the means for transmitting the message burst on the shared channel comprises the at least one processor and the at least one non-transitory memory including computer program code.
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49. An apparatus, comprising:
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means for receiving a message burst preamble and a signature from a user equipment of a radio access network over a random access channel of a wireless communication system, where the means for receiving the message burst preamble comprises at least one processor and at least one non-transitory memory including computer program code; means for transmitting one or more messages to the user equipment in response to the message burst preamble, wherein the one or more messages indicate an acknowledgment of having received the preamble and include a preamble identifier and a resource allocation of at least a portion of a shared channel, where the means for transmitting one or more messages to the user equipment comprises the at least one processor and the at least one non-transitory memory including computer program code; and means for receiving a message burst from the user equipment on the shared channel according to the resource allocation, for decoding the message burst, and for obtaining an address from the message burst for use in identifying the user equipment, where the means for receiving and obtaining comprises the at least one processor and the at least one non-transitory memory including computer program code.
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Specification