WO2009132143A1 - Null pilots for interference estimation in a wireless communication network - Google Patents
Null pilots for interference estimation in a wireless communication network Download PDFInfo
- Publication number
- WO2009132143A1 WO2009132143A1 PCT/US2009/041456 US2009041456W WO2009132143A1 WO 2009132143 A1 WO2009132143 A1 WO 2009132143A1 US 2009041456 W US2009041456 W US 2009041456W WO 2009132143 A1 WO2009132143 A1 WO 2009132143A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cluster
- interference
- cell
- null
- cells
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0059—Out-of-cell user aspects
-
- 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
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2720131A CA2720131A1 (en) | 2008-04-22 | 2009-04-22 | Null pilots for interference estimation in a wireless communication network |
MX2010011626A MX2010011626A (en) | 2008-04-22 | 2009-04-22 | Null pilots for interference estimation in a wireless communication network. |
ES09735715T ES2434245T3 (en) | 2008-04-22 | 2009-04-22 | Null pilots to estimate interference in a wireless communications network |
JP2011506439A JP5596016B2 (en) | 2008-04-22 | 2009-04-22 | Null pilot for interference estimation in wireless communication networks |
BRPI0911539A BRPI0911539A2 (en) | 2008-04-22 | 2009-04-22 | null pilots for interference estimation in a wireless communication network |
AU2009240650A AU2009240650B9 (en) | 2008-04-22 | 2009-04-22 | Null pilots for interference estimation in a wireless communication network |
CN200980114187.5A CN102017763B (en) | 2008-04-22 | 2009-04-22 | Null pilots for interference estimation in a wireless communication network |
EP09735715.6A EP2272295B1 (en) | 2008-04-22 | 2009-04-22 | Null pilots for interference estimation in a wireless communication network |
IL208432A IL208432A0 (en) | 2008-04-22 | 2010-10-03 | Null pilots for interference estimation in a wireless communication network |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4706308P | 2008-04-22 | 2008-04-22 | |
US61/047,063 | 2008-04-22 | ||
US10842908P | 2008-10-24 | 2008-10-24 | |
US61/108,429 | 2008-10-24 | ||
US12/425,243 US8559879B2 (en) | 2008-04-22 | 2009-04-16 | Null pilots for interference estimation in a wireless communication network |
US12/425,243 | 2009-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009132143A1 true WO2009132143A1 (en) | 2009-10-29 |
Family
ID=40935574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/041456 WO2009132143A1 (en) | 2008-04-22 | 2009-04-22 | Null pilots for interference estimation in a wireless communication network |
Country Status (14)
Country | Link |
---|---|
US (1) | US8559879B2 (en) |
EP (2) | EP2618506B1 (en) |
JP (1) | JP5596016B2 (en) |
KR (1) | KR101174580B1 (en) |
CN (1) | CN102017763B (en) |
AU (1) | AU2009240650B9 (en) |
BR (1) | BRPI0911539A2 (en) |
CA (1) | CA2720131A1 (en) |
ES (1) | ES2434245T3 (en) |
IL (1) | IL208432A0 (en) |
MX (1) | MX2010011626A (en) |
SG (1) | SG189785A1 (en) |
TW (1) | TW200950449A (en) |
WO (1) | WO2009132143A1 (en) |
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EP2618506B1 (en) | 2016-09-14 |
SG189785A1 (en) | 2013-05-31 |
CA2720131A1 (en) | 2009-10-29 |
BRPI0911539A2 (en) | 2019-03-12 |
EP2618506A2 (en) | 2013-07-24 |
EP2618506A3 (en) | 2013-12-25 |
CN102017763B (en) | 2014-11-12 |
EP2272295B1 (en) | 2013-08-14 |
ES2434245T3 (en) | 2013-12-16 |
US8559879B2 (en) | 2013-10-15 |
MX2010011626A (en) | 2010-11-30 |
TW200950449A (en) | 2009-12-01 |
EP2272295A1 (en) | 2011-01-12 |
AU2009240650B9 (en) | 2013-04-11 |
AU2009240650A1 (en) | 2009-10-29 |
KR20100133501A (en) | 2010-12-21 |
AU2009240650B2 (en) | 2013-03-21 |
KR101174580B1 (en) | 2012-08-16 |
JP5596016B2 (en) | 2014-09-24 |
IL208432A0 (en) | 2010-12-30 |
US20100099428A1 (en) | 2010-04-22 |
JP2011519538A (en) | 2011-07-07 |
CN102017763A (en) | 2011-04-13 |
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