Performing random access procedures using extended random access response
First Claim
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1. A method of random access procedure, comprising:
- performing grouping and dividing of random access preambles according to versions of mobile terminals and random access response (RAR) formats;
receiving information related to the random access preamble at the mobile terminal,the information indicating a first random access preamble related to a first format and a second random access preamble related to a second format;
selecting the random access preamble according to the received information;
transmitting the selected random access preamble;
receiving a random access response, wherein the received random access response comprises at least one of a first Random Access Radio Network Temporary Identifier (RA-RNTI) related to the first format and a second Random Access Radio Network Temporary Identifier (RA-RNTI) related to the second format,wherein the received random access response further comprises an R bit used for indicating the first format or the second format associated with the selected random access preamble,wherein the first format is associated with mobile terminals supporting Long Term Evolution (LTE) and the second format is associated with mobile terminals supporting LTE-Advanced; and
decoding the received random access response according to the format associated with the selected random access preamble.
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Abstract
A random access procedure is performed by receiving information related to a random access preamble, the information indicating a first random access preamble related to a first format and a second random access preamble related to a second format; selecting a random access preamble according to the received information; transmitting the selected random access preamble; receiving a random access response; and decoding the received random access response according to the format associated with the selected random access preamble.
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Citations
12 Claims
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1. A method of random access procedure, comprising:
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performing grouping and dividing of random access preambles according to versions of mobile terminals and random access response (RAR) formats; receiving information related to the random access preamble at the mobile terminal, the information indicating a first random access preamble related to a first format and a second random access preamble related to a second format; selecting the random access preamble according to the received information; transmitting the selected random access preamble; receiving a random access response, wherein the received random access response comprises at least one of a first Random Access Radio Network Temporary Identifier (RA-RNTI) related to the first format and a second Random Access Radio Network Temporary Identifier (RA-RNTI) related to the second format, wherein the received random access response further comprises an R bit used for indicating the first format or the second format associated with the selected random access preamble, wherein the first format is associated with mobile terminals supporting Long Term Evolution (LTE) and the second format is associated with mobile terminals supporting LTE-Advanced; and decoding the received random access response according to the format associated with the selected random access preamble. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A mobile terminal comprising:
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means for receiving information relating to performing grouping and dividing of random access preambles according to versions of mobile terminals and random access response (RAR) formats; means for receiving information related to the random access preamble, the information indicating a first random access preamble related to a first format and a second random access preamble related to a second format; means for selecting the random access preamble according to the received information; means for transmitting the selected random access preamble; means for receiving a random access response, wherein the received random access response comprises at least one of a first Random Access Radio Network Temporary Identifier (RA-RNTI) related to the first format and a second Random Access Radio Network Temporary Identifier (RA-RNTI) related to the second format, wherein the received random access response further comprises an R bit used for indicating the first format or the second format associated with the selected random access preamble, wherein the first format is associated with mobile terminals supporting Long Term Evolution (LTE) and the second format is associated with mobile terminals supporting LTE-Advanced; and means for decoding the received random access response according to the format associated with the selected random access preamble.
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12. A network that performs a method of random access procedure, comprising:
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means for performing grouping and dividing of random access preambles according to versions of mobile terminals and random access response (RAR) formats; means for transmitting information related to the random access preamble, the information indicating a first random access preamble related to a first format and a second random access preamble related to a second format; means for receiving the random access preamble that was selected according to the transmitted information; and means for transmitting a random access response to be decoded according to the first format or the second format associated with the selected random access preamble, wherein the transmitted random access response comprises at least one of a first Random Access Radio Network Temporary Identifier (RA-RNTI) related to the first format and a second Random Access Radio Network Temporary Identifier (RA-RNTI) related to the second format, wherein the transmitted random access response further comprises an R bit used for indicating the first format or the second format associated with the selected random access preamble, wherein the first format is associated with mobile terminals supporting Long Term Evolution (LTE) and the second format is associated with mobile terminals supporting LTE-Advanced.
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Specification