System and Method for Initial Access to Relays
First Claim
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1. A user agent, comprising:
- a processor configured to promote transmission of a preamble on a random access channel (RACH) to an access node to promote attachment of the user agent to the access node, wherein the processor is further configured to promote transmission of a message to the access node, wherein the message contains an identity of one or more relay nodes to which the user agent can be transferred, and wherein the processor is further configured to request the access node to hand-over the user agent to one of the relay nodes.
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Abstract
A user agent (UA) in a wireless communication system. The UA is configured to transmit a preamble on a random access channel (RACH) to an access node in order to attach to the access node. The UA transmits a message to the access node, wherein the message contains an identity of one or more relay nodes to which the UA can be transferred. The UA requests the access node to hand-over the UA to one relay node of the one or more relay nodes.
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Citations
38 Claims
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1. A user agent, comprising:
a processor configured to promote transmission of a preamble on a random access channel (RACH) to an access node to promote attachment of the user agent to the access node, wherein the processor is further configured to promote transmission of a message to the access node, wherein the message contains an identity of one or more relay nodes to which the user agent can be transferred, and wherein the processor is further configured to request the access node to hand-over the user agent to one of the relay nodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method implemented in a user agent, the method comprising:
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transmitting a preamble on a random access channel (RACH) to an access node; attaching to the access node; transmitting a message to the access node, wherein the message contains an identity of one or more relay nodes to which the user agent can be transferred; and requesting the access node to hand-over the user agent to one of the relay nodes. - View Dependent Claims (10, 11, 12, 13)
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14. An access node, comprising:
a processor configured to receive a preamble on a random access channel (RACH) from a user agent, and to promote attachment of the user agent to the access node, wherein the processor is further configured to receive a message from the user agent, wherein the message contains an identity of one or more relay nodes to which the user agent can be transferred, and wherein the processor is further configured to receive a request from the user agent to hand-over the user agent to one of the relay nodes. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A method implemented in an access node, the method comprising:
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receiving a preamble on a random access channel (RACH) from a user agent; attaching the user agent to the access node; receiving a message from the user agent, wherein the message contains an identity of one or more relay nodes to which the user agent can be transferred; and receive a request from the user agent to hand-over the user agent to one of the relay nodes. - View Dependent Claims (24, 25)
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26. A relay node comprising:
a processor configured to receive a preamble from a user agent, wherein the preamble indicates a temporary random access identification of the user agent, and wherein the processor is further configured to forward the preamble to an access node. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A method implemented in a relay node, the method comprising:
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receiving a preamble from a user agent, wherein the preamble indicates a temporary random access identification of the user agent; and forwarding the preamble to an access node. - View Dependent Claims (38)
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Specification