KR101382748B1 - 무선통신 시스템에서 랜덤 액세스 과정을 수행하는 방법 - Google Patents
무선통신 시스템에서 랜덤 액세스 과정을 수행하는 방법 Download PDFInfo
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- KR101382748B1 KR101382748B1 KR1020080007768A KR20080007768A KR101382748B1 KR 101382748 B1 KR101382748 B1 KR 101382748B1 KR 1020080007768 A KR1020080007768 A KR 1020080007768A KR 20080007768 A KR20080007768 A KR 20080007768A KR 101382748 B1 KR101382748 B1 KR 101382748B1
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- South Korea
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- request message
- rrc connection
- terminal
- random access
- base station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (8)
- 무선통신 시스템에서 단말(UE; user equipment)에 의한 랜덤 액세스 과정을 수행하는 방법에 있어서,기지국으로 랜덤 액세스 프리앰블을 전송하는 단계;상기 랜덤 액세스 프리앰블에 대한 응답으로, NAS(non-access stratum) 서비스 요청 메시지를 전송하기 위한 다중 TTI(Transmission Time Interval)를 지시하는 기간 정보 및 RRC(radio resource control) 연결 요청 메시지에 대한 상향링크 무선자원 할당 정보를 포함한 랜덤 액세스 응답을 상기 기지국으로부터 수신하는 단계;상기 상향링크 무선자원 할당 정보에 따라 상기 RRC 연결 요청 메시지를 전송하는 단계; 및상기 기간 정보에 따라 상기 다중 TTI에 걸쳐 분할된 상기 NAS 서비스 요청 메시지를 전송하는 단계를 포함하는 랜덤 액세스 과정을 수행하는 방법.
- 제1 항에 있어서, 상기 NAS 서비스 요청 메시지 및 상기 RRC 연결 요청 메시지는 결합되어(concatenated) 전송되는 것을 특징으로 하는 랜덤 액세스 과정을 수행하는 방법.
- 제1 항에 있어서, 상기 NAS 서비스 요청 메시지는 상기 RRC 연결 요청 메시지가 전송된 후 및 제어 평면 데이터를 전송하는 무선 베어러인 SRB(signaling radio bearer)가 설정된 후에 전송되는 것을 특징으로 하는 랜덤 액세스 과정을 수행하는 방법.
- 제1 항에 있어서, 상기 다중 TTI는 시간적으로 연속하는 서브프레임들인 것을 특징으로 하는 랜덤 액세스 과정을 수행하는 방법.
- 제1 항에 있어서, 상기 다중 TTI는 시간적으로 불연속하는 서브프레임들인 것을 특징으로 하는 랜덤 액세스 과정을 수행하는 방법.
- 제1 항에 있어서, 상기 RRC 연결 요청 메시지에 대한 응답으로 충돌 해결(Contention resolution) 메시지를 수신하는 단계를 더 포함하는 것을 특징으로 하는 랜덤 액세스 과정을 수행하는 방법.
- 제 6 항에 있어서,상기 충돌 해결 메시지는 상기 NAS 서비스 요청 메시지를 전송한 후에 수신되는 것을 특징으로 하는 방법.
- 제 6 항에 있어서,상기 충돌 해결 메시지는 상기 NAS 서비스 요청 메시지를 전송하기 전에 수신되는 것을 특징으로 하는 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080007768A KR101382748B1 (ko) | 2008-01-25 | 2008-01-25 | 무선통신 시스템에서 랜덤 액세스 과정을 수행하는 방법 |
US12/674,127 US8325755B2 (en) | 2007-09-18 | 2008-09-08 | Method for performing random access process in wireless communication system |
PCT/KR2008/005286 WO2009038300A1 (en) | 2007-09-18 | 2008-09-08 | Method for performinig random access process in wireless communication system |
CN2008801068432A CN101803234B (zh) | 2007-09-18 | 2008-09-08 | 在无线通信系统中执行随机接入处理的方法 |
Applications Claiming Priority (1)
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KR1020080007768A KR101382748B1 (ko) | 2008-01-25 | 2008-01-25 | 무선통신 시스템에서 랜덤 액세스 과정을 수행하는 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20090081728A KR20090081728A (ko) | 2009-07-29 |
KR101382748B1 true KR101382748B1 (ko) | 2014-04-08 |
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KR1020080007768A Expired - Fee Related KR101382748B1 (ko) | 2007-09-18 | 2008-01-25 | 무선통신 시스템에서 랜덤 액세스 과정을 수행하는 방법 |
Country Status (4)
Country | Link |
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US (1) | US8325755B2 (ko) |
KR (1) | KR101382748B1 (ko) |
CN (1) | CN101803234B (ko) |
WO (1) | WO2009038300A1 (ko) |
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Also Published As
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WO2009038300A1 (en) | 2009-03-26 |
US8325755B2 (en) | 2012-12-04 |
KR20090081728A (ko) | 2009-07-29 |
US20110032889A1 (en) | 2011-02-10 |
CN101803234A (zh) | 2010-08-11 |
CN101803234B (zh) | 2013-11-27 |
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