Method and apparatus for transmitting data in a communication system
First Claim
Patent Images
1. A method of generating a preamble message in a communication system, wherein the preamble message is to be transmitted via a communication connection by a user equipment associated with a user, comprising:
- the user equipment selecting a hierarchy node out of a plurality of hierarchy nodes, the hierarchy nodes being included in a hierarchical tree structure having at least two hierarchy levels and at least one bottom level, the at least two hierarchy levels including a first hierarchy level and a second hierarchy level, wherein pre-defined random access sequences are grouped in the hierarchical tree structure,the hierarchy nodes being assigned to the at least two hierarchy levels, and each hierarchy node being associated with user information, user equipment information or communication connection information, wherein the user information, the user equipment information or the communication connection information is stored in the user equipment, andthe at least one bottom level having a plurality of bottom nodes, each bottom node being associated with at least one random access sequence of a plurality of random access sequences of a defined Physical Random Access Channel and each bottom node being connected according to the tree structure to one node of the second hierarchy level such that to each node of the second hierarchy level, a plurality of bottom nodes are connected;
wherein the user equipment selects the hierarchy node based on a comparison of a characteristic of the user, the user equipment or the communication connection with the stored user information, user equipment information or communication connection information associated with the hierarchy node;
the user equipment selecting at least one random access sequence from a subset of random access sequences of the defined Physical Random Access Channel, the subset including all the random access sequences which are associated with bottom nodes that are included in a partial tree structure having the selected hierarchy node as a partial tree root node; and
the user equipment generating the preamble message using the at least one selected random access sequence.
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Abstract
An apparatus and method of grouping and assigning a plurality of random access sequences, including assigning each random access sequence to one or a plurality of user equipments, to a plurality of users, type of users or types of communication connection.
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Citations
27 Claims
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1. A method of generating a preamble message in a communication system, wherein the preamble message is to be transmitted via a communication connection by a user equipment associated with a user, comprising:
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the user equipment selecting a hierarchy node out of a plurality of hierarchy nodes, the hierarchy nodes being included in a hierarchical tree structure having at least two hierarchy levels and at least one bottom level, the at least two hierarchy levels including a first hierarchy level and a second hierarchy level, wherein pre-defined random access sequences are grouped in the hierarchical tree structure, the hierarchy nodes being assigned to the at least two hierarchy levels, and each hierarchy node being associated with user information, user equipment information or communication connection information, wherein the user information, the user equipment information or the communication connection information is stored in the user equipment, and the at least one bottom level having a plurality of bottom nodes, each bottom node being associated with at least one random access sequence of a plurality of random access sequences of a defined Physical Random Access Channel and each bottom node being connected according to the tree structure to one node of the second hierarchy level such that to each node of the second hierarchy level, a plurality of bottom nodes are connected; wherein the user equipment selects the hierarchy node based on a comparison of a characteristic of the user, the user equipment or the communication connection with the stored user information, user equipment information or communication connection information associated with the hierarchy node; the user equipment selecting at least one random access sequence from a subset of random access sequences of the defined Physical Random Access Channel, the subset including all the random access sequences which are associated with bottom nodes that are included in a partial tree structure having the selected hierarchy node as a partial tree root node; and the user equipment generating the preamble message using the at least one selected random access sequence. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of selecting a random access sequence of a plurality of random access sequences of a defined Physical Random Access Channel to be used for transmitting a preamble message via a communication connection by a user equipment associated with a user, comprising:
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the user equipment selecting a hierarchy node out of a plurality of hierarchy nodes, the hierarchy nodes being included in a hierarchical tree structure having at least two hierarchy levels and at least one bottom level, the at least two hierarchy levels including a first hierarchy level and a second hierarchy level, wherein pre-defined random access sequences are grouped in the hierarchical tree structure, the hierarchy nodes being assigned to the at least two hierarchy levels, and each hierarchy node being associated with user information, user equipment information or communication connection information, wherein the user information, the user equipment information or the communication connection information is stored in the user equipment, and the at least one bottom level having a plurality of bottom nodes, each bottom node being associated with at least one random access sequence of a plurality of random access sequences of the defined Physical Random Access Channel and each bottom node being connected according to the tree structure to one node of the second hierarchy level such that to each node of the second hierarchy level, a plurality of bottom nodes are connected; wherein the user equipment selects the hierarchy node based on a comparison of a characteristic of the user, the user equipment or the communication connection with the stored user information, user equipment information or communication connection information associated with the hierarchy node; and the user equipment selecting at least one random access sequence from a subset of random access sequences of the defined Physical Random Access Channel, the subset including all the random access sequences which are associated with bottom nodes that are included in a partial tree structure having the selected hierarchy node as a partial tree root node.
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23. An apparatus of a user equipment associated with a user for transmitting data in a communication system via a communication connection, the apparatus comprising:
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a tree structure memory configured to store a hierarchical tree structure, the hierarchical tree structure comprising; at least two hierarchy levels and at least one bottom level, the at least two hierarchy levels including a first hierarchy level and a second hierarchy level, wherein pre-defined random access sequences are grouped in the hierarchical tree structure; and a plurality of hierarchy nodes being assigned to the at least two hierarchy levels, and each hierarchy node being associated with user information, user equipment information or communication connection information, wherein the user information, the user equipment information or the communication connection information is stored in the tree structure memory, wherein the at least one bottom level has a plurality of bottom nodes, each bottom node being associated with at least one random access sequence of a plurality of random access sequences of a defined Physical Random Access Channel and each bottom node being connected according to the tree structure to one node of the second hierarchy level such that to each node of the second hierarchy level, a plurality of bottom nodes are connected; a first selector configured to select a hierarchy node out of the plurality of hierarchy nodes wherein the first selector is configured to select the hierarchy node based on a comparison of a characteristic of the user, the user equipment or the communication connection with the stored user information, user equipment information or communication connection information associated with the hierarchy node; a second selector configured to select at least one random access sequence from a subset of random access sequences of the defined Physical Random Access Channel, the subset including all the random access sequences which are associated with bottom nodes that are included in a partial tree structure having the selected hierarchy node as a partial tree root node; a message generator configured to generate a preamble message using the at least one selected random access sequence; and a transmitter configured to transmit the preamble message.
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24. A communication device associated with a user, comprising:
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a tree structure memory configured to store a hierarchical tree structure, the hierarchical tree structure comprising; at least two hierarchy levels and at least one bottom level; and a plurality of hierarchy nodes being assigned to the at least two hierarchy levels including a first hierarchy level and a second hierarchy level, wherein pre-defined random access sequences are grouped in the hierarchical tree structure, and each hierarchy node being associated with user information, user equipment information or communication connection information, wherein the user information, the user equipment information or the communication connection information is stored in the tree structure memory wherein the at least one bottom level has a plurality of bottom nodes, each bottom node being associated with at least one random access sequence of a plurality of random access sequences of a defined Physical Random Access Channel and each bottom node being connected according to the tree structure to one node of the second hierarchy level such that to each node of the second hierarchy level, a plurality of bottom nodes are connected; a first selector configured to select a hierarchy node out of the plurality of hierarchy nodes wherein the first selector is configured to select the hierarchy node based on a comparison of a characteristic of the user, the user equipment or a communication connection to be used for transmitting a preamble message with the stored user information, user equipment information or communication connection information associated with the hierarchy node; a second selector configured to select at least one random access sequence from a subset of random access sequences of the defined Physical Random Access Channel, the subset including all the random access sequences which are associated with bottom nodes that are included in a partial tree structure having the selected hierarchy node as a partial tree root node; a message generator configured to generate the preamble message using the at least one selected random access sequence; and a transmitter configured to transmit the preamble message. - View Dependent Claims (25, 26, 27)
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Specification