Method for transmitting response information in mobile communications system
First Claim
1. A method for transmitting a specific preamble and receiving information in response to the specific preamble in a mobile communication system, the method comprising:
- transmitting the specific preamble over a random access channel (RACH);
receiving response information over a common channel, the response information comprising a plurality of responses and a plurality of identifiers respectively corresponding to the plurality of responses; and
processing a specific response from among the plurality of responses if one of the plurality of identifiers indicates that the specific response corresponds to the specific preamble.
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Accused Products
Abstract
A method for transmitting radio resources in a mobile communication system is disclosed. The method includes receiving a random access channel (RACH) preamble from a plurality of UEs and transmitting response information associated with the received preambles over a common channel wherein the plurality UEs can access the common channel and receive corresponding information. If a HARQ scheme is used when a UE transmits data to the eNode-B using uplink radio resources allocated over the RACH, the eNode-B does not pre-allocate uplink radio resources required for re-transmission and performs allocation of radio resources for a first transmission of HARQ. If the re-transmission is required, the eNode-B allocates the radio resources required for the re-transmission with the NACK signal. If re-transmission is not required, the present invention can reduce an amount of wasted radio resources.
105 Citations
21 Claims
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1. A method for transmitting a specific preamble and receiving information in response to the specific preamble in a mobile communication system, the method comprising:
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transmitting the specific preamble over a random access channel (RACH); receiving response information over a common channel, the response information comprising a plurality of responses and a plurality of identifiers respectively corresponding to the plurality of responses; and processing a specific response from among the plurality of responses if one of the plurality of identifiers indicates that the specific response corresponds to the specific preamble. - View Dependent Claims (2, 3, 4, 5, 6, 20)
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7. A method for receiving a preamble and transmitting information in response to the preamble in a mobile communication system, the method comprising:
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receiving a plurality of preambles over a random access channel (RACH); transmitting response information over a common channel, the response information comprising a plurality of responses corresponding to the plurality of preambles and a plurality of identifiers identifying which of the plurality of responses corresponds to each of the plurality of preambles. - View Dependent Claims (8, 9, 10, 11, 12, 21)
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13. A method for performing a random access in a mobile communication system, the method comprising:
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a plurality of mobile communication terminals transmitting a plurality of preambles over a random access channel (RACH); a network transmitting response information over a common channel, the response information comprising a plurality of responses corresponding to the plurality of preambles and a plurality of identifiers respectively corresponding to the plurality of responses; the plurality of mobile communication terminals receiving the response information; and one of the plurality of mobile communication terminals processing specific response from among the plurality of responses if one of the plurality of identifiers indicates that the specific response corresponds to a preamble transmitted by the one of the plurality of mobile communication terminals. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification