Abstract
Provided is an asynchronous random access method in a packet-based cellular system, which includes the steps of: receiving a preamble from a mobile station; checking the received preamble to see whether the mobile station includes a mobile station identifier assigned by the base station; when the mobile station does not have a mobile station identifier, allocating first scheduling information to a control information block, allocating a first response message including a mobile station identifier assigned by the base station to a downlink shared channel, and transmitting the control information block and the downlink shared channel to the mobile station; and when the mobile station includes the mobile station identifier, allocating second scheduling information to the control information block, allocating a second response message without the mobile station identifier to the downlink shared channel, and transmitting the control information block and the downlink shared channel to the mobile station.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 04/02/2009 | ISLD-200903-003 | ETRI |
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| Not Available | 04/02/2009 | ISLD-200903-003 | ETRI |
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| 4G | 27/09/2012 | ISLD-201209-023 | SAMSUNG | Yes | Basis Patent | ||||
Specification Information
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Technologies
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||
| KR20080018147A | 4G | 04/02/2009 | ISLD-200903-003 | ETRI |
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Yes | Basis Patent | |||
| KR20080018147A | Not Available | 04/02/2009 | ISLD-200903-003 | ETRI |
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Yes | Basis Patent | |||
| KR20080018147A | 4G | 27/09/2012 | ISLD-201209-023 | SAMSUNG | No | Family Member | ||||
| WO2008023943A1 | 4G | 04/02/2009 | ISLD-200903-003 | ETRI |
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Yes | Family Member | |||
| WO2008023943A1 | Not Available | 04/02/2009 | ISLD-200903-003 | ETRI |
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Yes | Family Member | |||
| WO2008023943A1 | 4G | 27/09/2012 | ISLD-201209-023 | SAMSUNG | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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