EP2208290A4 - Random access preamble collision detection - Google Patents
Random access preamble collision detectionInfo
- Publication number
- EP2208290A4 EP2208290A4 EP08779329.5A EP08779329A EP2208290A4 EP 2208290 A4 EP2208290 A4 EP 2208290A4 EP 08779329 A EP08779329 A EP 08779329A EP 2208290 A4 EP2208290 A4 EP 2208290A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- random access
- access preamble
- collision detection
- preamble collision
- detection
- 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.)
- Withdrawn
Links
- 238000001514 detection method Methods 0.000 title 1
Classifications
-
- 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
- H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
- H04W74/0858—Random access procedures, e.g. with 4-step access with collision treatment collision detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US98533507P | 2007-11-05 | 2007-11-05 | |
PCT/SE2008/050647 WO2009061255A1 (en) | 2007-11-05 | 2008-06-02 | Random access preamble collision detection |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2208290A1 EP2208290A1 (en) | 2010-07-21 |
EP2208290A4 true EP2208290A4 (en) | 2013-12-04 |
Family
ID=40625992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08779329.5A Withdrawn EP2208290A4 (en) | 2007-11-05 | 2008-06-02 | Random access preamble collision detection |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2208290A4 (en) |
JP (1) | JP5091328B2 (en) |
WO (1) | WO2009061255A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011005163A1 (en) * | 2009-07-07 | 2011-01-13 | Telefonaktiebolaget L M Ericsson (Publ) | Random access procedure utilizing cyclic shift of demodulation reference signal |
JP5542211B2 (en) * | 2009-10-09 | 2014-07-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | Extend cell range |
US8478258B2 (en) * | 2010-03-05 | 2013-07-02 | Intel Corporation | Techniques to reduce false detection of control channel messages in a wireless network |
CN102196479B (en) | 2010-03-10 | 2014-01-08 | 华为技术有限公司 | Timing advance value sharing detection method, user equipment, base station and system |
EP2584801A4 (en) * | 2010-06-18 | 2013-08-14 | Fujitsu Ltd | Wireless communication method, wireless communication apparatus and wireless communication system |
JP2013021496A (en) * | 2011-07-11 | 2013-01-31 | Fujitsu Ltd | Mobile station and transmission control method |
JP5770566B2 (en) * | 2011-08-24 | 2015-08-26 | 株式会社Nttドコモ | Base station and transmission timing adjustment method |
WO2013051991A1 (en) * | 2011-10-07 | 2013-04-11 | Telefonaktiebolaget L M Ericsson (Publ) | Uplink synchronization method and user equipment |
EP3281460B1 (en) * | 2015-04-07 | 2020-01-29 | QUALCOMM Incorporated | Adjustment of timing advance values in mobile devices |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6470057B1 (en) * | 1998-10-09 | 2002-10-22 | Cwill Telecommunications, Inc. | Method for timing recovery and compensation in time-division-duplex wireless communications |
US7146135B2 (en) * | 2000-04-07 | 2006-12-05 | Alcatel | Method and adjusting transmission times in a mobile radio system |
DE202006019286U1 (en) * | 2005-12-22 | 2007-05-16 | Interdigital Technology Corporation, Wilmington | Wireless communication system for setting the uplink transmission timing for the long-term advanced handover |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2695777B1 (en) * | 1992-09-15 | 1994-10-14 | Alcatel Radiotelephone | Method for transmitting time advance information to a mobile moving in cells of a GSM network with asynchronous BTS. |
FI112841B (en) * | 1999-06-01 | 2004-01-15 | Nokia Corp | Method and apparatus for forming a connection between mobile station and base station and mobile station |
US6633559B1 (en) * | 1999-08-11 | 2003-10-14 | Ericsson Inc. | Apparatus and methods for extended base station range using staggered uplink frame structures |
USRE44283E1 (en) * | 2005-12-23 | 2013-06-11 | Lg Electronics Inc. | Method and procedures for unsynchronized, synchronized, and synchronization stand by communications in E-UTRA systems |
RU2008135360A (en) * | 2006-01-30 | 2010-03-10 | Израэль Бен Давид БРАЙСОН (US) | COMPOSITIONS AND METHODS FOR TREATING PATIENTS WITH CARDIOVASCULAR, CEREBRAL-VASCULAR AND OTHER VASCULAR DISEASES |
TR201815459T4 (en) * | 2007-11-05 | 2018-11-21 | Ericsson Telefon Ab L M | Improved timing alignment in an LTE system. |
-
2008
- 2008-06-02 JP JP2010531988A patent/JP5091328B2/en not_active Expired - Fee Related
- 2008-06-02 EP EP08779329.5A patent/EP2208290A4/en not_active Withdrawn
- 2008-06-02 WO PCT/SE2008/050647 patent/WO2009061255A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6470057B1 (en) * | 1998-10-09 | 2002-10-22 | Cwill Telecommunications, Inc. | Method for timing recovery and compensation in time-division-duplex wireless communications |
US7146135B2 (en) * | 2000-04-07 | 2006-12-05 | Alcatel | Method and adjusting transmission times in a mobile radio system |
DE202006019286U1 (en) * | 2005-12-22 | 2007-05-16 | Interdigital Technology Corporation, Wilmington | Wireless communication system for setting the uplink transmission timing for the long-term advanced handover |
Non-Patent Citations (1)
Title |
---|
See also references of WO2009061255A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP5091328B2 (en) | 2012-12-05 |
EP2208290A1 (en) | 2010-07-21 |
JP2011503959A (en) | 2011-01-27 |
WO2009061255A1 (en) | 2009-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20100226 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20131107 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04W 74/08 20090101ALI20131031BHEP Ipc: H04W 56/00 20090101AFI20131031BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04W 74/08 20090101ALI20161116BHEP Ipc: H04W 56/00 20090101AFI20161116BHEP |
|
INTG | Intention to grant announced |
Effective date: 20161205 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170419 |