WO2002091623A1 - Updating path loss estimation for power control and link adaption in ieee 802.11h wlan - Google Patents
Updating path loss estimation for power control and link adaption in ieee 802.11h wlan Download PDFInfo
- Publication number
- WO2002091623A1 WO2002091623A1 PCT/IB2002/001534 IB0201534W WO02091623A1 WO 2002091623 A1 WO2002091623 A1 WO 2002091623A1 IB 0201534 W IB0201534 W IB 0201534W WO 02091623 A1 WO02091623 A1 WO 02091623A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- path loss
- loss information
- power level
- frame
- transmit power
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/12—Outer and inner loops
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/10—Open loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- 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
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02769189A EP1393465A1 (en) | 2001-05-10 | 2002-05-02 | Updating path loss estimation for power control and link adaption in ieee 802.11h wlan |
KR10-2003-7000296A KR20030059071A (en) | 2001-05-10 | 2002-05-02 | Updating path loss estimation for power control and link adaptation in IEEE 802.11h WLAN |
JP2002587968A JP2004533762A (en) | 2001-05-10 | 2002-05-02 | Update of path loss estimates for power control and link adaptation in IEEE 802.11h WLAN |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29014101P | 2001-05-10 | 2001-05-10 | |
US60/290,141 | 2001-05-10 | ||
US09/974,478 US6978151B2 (en) | 2001-05-10 | 2001-10-10 | Updating path loss estimation for power control and link adaptation in IEEE 802.11h WLAN |
US09/974,478 | 2001-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002091623A1 true WO2002091623A1 (en) | 2002-11-14 |
Family
ID=26966027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/001534 WO2002091623A1 (en) | 2001-05-10 | 2002-05-02 | Updating path loss estimation for power control and link adaption in ieee 802.11h wlan |
Country Status (6)
Country | Link |
---|---|
US (1) | US6978151B2 (en) |
EP (1) | EP1393465A1 (en) |
JP (1) | JP2004533762A (en) |
KR (1) | KR20030059071A (en) |
CN (1) | CN1281001C (en) |
WO (1) | WO2002091623A1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
CN1281001C (en) | 2006-10-18 |
US6978151B2 (en) | 2005-12-20 |
EP1393465A1 (en) | 2004-03-03 |
CN1462515A (en) | 2003-12-17 |
US20020168993A1 (en) | 2002-11-14 |
JP2004533762A (en) | 2004-11-04 |
KR20030059071A (en) | 2003-07-07 |
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