GB2458427B - Method of generating random access preambles in wireless communication system - Google Patents
Method of generating random access preambles in wireless communication systemInfo
- Publication number
- GB2458427B GB2458427B GB0913115A GB0913115A GB2458427B GB 2458427 B GB2458427 B GB 2458427B GB 0913115 A GB0913115 A GB 0913115A GB 0913115 A GB0913115 A GB 0913115A GB 2458427 B GB2458427 B GB 2458427B
- Authority
- GB
- United Kingdom
- Prior art keywords
- wireless communication
- communication system
- random access
- generating random
- access preambles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0055—ZCZ [zero correlation zone]
- H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
- H04J13/0062—Zadoff-Chu
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89541207P | 2007-03-16 | 2007-03-16 | |
US89570307P | 2007-03-19 | 2007-03-19 | |
US89623707P | 2007-03-21 | 2007-03-21 | |
KR20070062371 | 2007-06-25 | ||
US95583007P | 2007-08-14 | 2007-08-14 | |
KR1020070091198A KR20080084536A (en) | 2007-03-16 | 2007-09-07 | Method for transmitting control information in wireless communication system |
US97225707P | 2007-09-14 | 2007-09-14 | |
US97612507P | 2007-09-28 | 2007-09-28 | |
US98029307P | 2007-10-16 | 2007-10-16 | |
KR1020070125290A KR20080084550A (en) | 2007-03-16 | 2007-12-05 | Method for mapping sequence for uplink transmission |
PCT/KR2008/001455 WO2008114967A1 (en) | 2007-03-16 | 2008-03-14 | Method of generating random access preambles in wireless communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0913115D0 GB0913115D0 (en) | 2009-09-02 |
GB2458427A GB2458427A (en) | 2009-09-23 |
GB2458427B true GB2458427B (en) | 2011-08-17 |
Family
ID=40024852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0913115A Expired - Fee Related GB2458427B (en) | 2007-03-16 | 2008-03-14 | Method of generating random access preambles in wireless communication system |
Country Status (2)
Country | Link |
---|---|
KR (3) | KR20080084536A (en) |
GB (1) | GB2458427B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014115960A1 (en) * | 2013-01-28 | 2014-07-31 | 엘지전자 주식회사 | Method for performing high-speed initial access process in wireless access system supporting ultrahigh frequency band, and device supporting same |
KR101919390B1 (en) * | 2017-03-13 | 2018-11-16 | 엘지전자 주식회사 | Method for performing random access and device thereof |
KR102308982B1 (en) | 2019-08-28 | 2021-10-05 | 중앙대학교 산학협력단 | Scalable sequence creation, detection method and apparatus in UAV cellular network |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6549564B1 (en) * | 1999-04-08 | 2003-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
US6574212B1 (en) * | 1998-10-05 | 2003-06-03 | Sony International (Europe) Gmbh | Transmission of random access bursts with at least one message part |
US20070230600A1 (en) * | 2006-03-27 | 2007-10-04 | Texas Instruments Incorporated | Random access structure for wireless networks |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE542307T1 (en) | 1998-12-14 | 2012-02-15 | Interdigital Tech Corp | DIRECT ACCESS CHANNEL PREAMBLE DETECTION |
US8116195B2 (en) | 2004-07-27 | 2012-02-14 | Zte (Usa) Inc. | Transmission and reception of reference preamble signals in OFDMA or OFDM communication systems |
KR100626668B1 (en) | 2004-12-13 | 2006-09-25 | 한국전자통신연구원 | Random Access Apparatus Supporting a variety of access service class and Method thereof |
-
2007
- 2007-09-07 KR KR1020070091198A patent/KR20080084536A/en unknown
- 2007-12-05 KR KR1020070125290A patent/KR20080084550A/en unknown
-
2008
- 2008-03-14 KR KR1020097017673A patent/KR100955198B1/en active IP Right Grant
- 2008-03-14 GB GB0913115A patent/GB2458427B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6574212B1 (en) * | 1998-10-05 | 2003-06-03 | Sony International (Europe) Gmbh | Transmission of random access bursts with at least one message part |
US6549564B1 (en) * | 1999-04-08 | 2003-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
US20070230600A1 (en) * | 2006-03-27 | 2007-10-04 | Texas Instruments Incorporated | Random access structure for wireless networks |
Non-Patent Citations (1)
Title |
---|
NOKIA: "Restricted sets of RACH preamble signatures for environments with high Doppler shifts" 3GPP R1-070377, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), Sorrento, Italy, 10 January 2007 - See especially sections 2 & 5 and Appendix A. * |
Also Published As
Publication number | Publication date |
---|---|
KR20080084550A (en) | 2008-09-19 |
KR20080084536A (en) | 2008-09-19 |
KR20090111855A (en) | 2009-10-27 |
GB0913115D0 (en) | 2009-09-02 |
GB2458427A (en) | 2009-09-23 |
KR100955198B1 (en) | 2010-04-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI369107B (en) | Method of generating random access preambles in wireless communication system | |
EP2084928A4 (en) | Method of performing random access in a wireless communication system | |
EP2322010A4 (en) | Method of random access in a wireless system | |
HUE044757T2 (en) | Method and apparatuses for random access in wireless communication system | |
EP2347622A4 (en) | Method of initial access in a wireless communication system | |
HK1151637A1 (en) | Random phase multiple access communication interface system and method | |
GB2485081B8 (en) | Method of performing uplink synchronization in wireless communication system | |
EP2060027A4 (en) | Method for performing random access procedure in wireless communication system | |
EP2186282A4 (en) | Method of generating reference signal in wireless communication system | |
EP2564653A4 (en) | Random access method and apparatus in wireless communication system | |
EP2309801A4 (en) | Radio communication system and radio communication method | |
GB0816276D0 (en) | Communication system and method | |
PL2420099T3 (en) | Ad-hoc directional communication in contention access period | |
EP2084865A4 (en) | Method of generating data block in wireless communication system | |
GB201006802D0 (en) | Wireless communication system and method | |
EP2200352A4 (en) | Wireless communication system and method | |
EP2062374A4 (en) | Wireless communication system and wireless communication method | |
EP2394488A4 (en) | Method of random access in a wireless system | |
EP2395787A4 (en) | Method and system for random access | |
HK1145107A1 (en) | Method and system for communication | |
EP2260578A4 (en) | System and method for wireless communications | |
GB0816278D0 (en) | Communication system and method | |
EP2120431A4 (en) | Communication system and communication method | |
EP2180640A4 (en) | Ad-hoc network system and method | |
EP2286625A4 (en) | Method for paging in wireless access system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20230314 |