DE69527372D1 - Spreizband-einrichtungen und -verfahren zur adaptiven leistungssteuerung in einem zellularen kommunikationsnetz - Google Patents
Spreizband-einrichtungen und -verfahren zur adaptiven leistungssteuerung in einem zellularen kommunikationsnetzInfo
- Publication number
- DE69527372D1 DE69527372D1 DE69527372T DE69527372T DE69527372D1 DE 69527372 D1 DE69527372 D1 DE 69527372D1 DE 69527372 T DE69527372 T DE 69527372T DE 69527372 T DE69527372 T DE 69527372T DE 69527372 D1 DE69527372 D1 DE 69527372D1
- Authority
- DE
- Germany
- Prior art keywords
- station
- power level
- commands
- communication
- transmitter
- 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 - Lifetime
Links
- 230000010267 cellular communication Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000001228 spectrum Methods 0.000 abstract 2
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- 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
- H04W52/08—Closed loop 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
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
-
- 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
- H04W52/221—TPC being performed according to specific parameters taking into account previous information or commands using past power control commands
-
- 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
- H04W52/225—Calculation of statistics, e.g. average, variance
-
- 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
- H04W52/30—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
-
- 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
- H04W52/362—Aspects of the step size
-
- 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
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- 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
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
Landscapes
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Complex Calculations (AREA)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Eye Examination Apparatus (AREA)
- Noise Elimination (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Radio Transmission System (AREA)
- Surgical Instruments (AREA)
- Burglar Alarm Systems (AREA)
- Stereo-Broadcasting Methods (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/368,710 US5574747A (en) | 1995-01-04 | 1995-01-04 | Spread spectrum adaptive power control system and method |
PCT/US1995/016905 WO1996021295A1 (en) | 1995-01-04 | 1995-12-22 | Spread-spectrum system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69527372D1 true DE69527372D1 (de) | 2002-08-14 |
DE69527372T2 DE69527372T2 (de) | 2003-03-27 |
Family
ID=23452422
Family Applications (7)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69534304T Expired - Lifetime DE69534304T2 (de) | 1995-01-04 | 1995-12-22 | Verfahren zur leistungsregelung in systemen mit gespreiztem spektrum |
DE69527372T Expired - Lifetime DE69527372T2 (de) | 1995-01-04 | 1995-12-22 | Spreizband-einrichtungen und -verfahren zur adaptiven leistungssteuerung in einem zellularen kommunikationsnetz |
DE1041727T Pending DE1041727T1 (de) | 1995-01-04 | 1995-12-22 | Speizspektrumsystem und -verfahren |
DE1041728T Pending DE1041728T1 (de) | 1995-01-04 | 1995-12-22 | Spreizspektrumsystem und -verfahren |
DE1043844T Pending DE1043844T1 (de) | 1995-01-04 | 1995-12-22 | Verfahren zur Leistungsregelung in Systemen mit gespreiztem Spektrum |
DE69534149T Expired - Lifetime DE69534149T2 (de) | 1995-01-04 | 1995-12-22 | Spreizspektrumsystem und -Verfahren |
DE69534253T Expired - Lifetime DE69534253T2 (de) | 1995-01-04 | 1995-12-22 | Spreizspektrumsystem und -verfahren |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69534304T Expired - Lifetime DE69534304T2 (de) | 1995-01-04 | 1995-12-22 | Verfahren zur leistungsregelung in systemen mit gespreiztem spektrum |
Family Applications After (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1041727T Pending DE1041727T1 (de) | 1995-01-04 | 1995-12-22 | Speizspektrumsystem und -verfahren |
DE1041728T Pending DE1041728T1 (de) | 1995-01-04 | 1995-12-22 | Spreizspektrumsystem und -verfahren |
DE1043844T Pending DE1043844T1 (de) | 1995-01-04 | 1995-12-22 | Verfahren zur Leistungsregelung in Systemen mit gespreiztem Spektrum |
DE69534149T Expired - Lifetime DE69534149T2 (de) | 1995-01-04 | 1995-12-22 | Spreizspektrumsystem und -Verfahren |
DE69534253T Expired - Lifetime DE69534253T2 (de) | 1995-01-04 | 1995-12-22 | Spreizspektrumsystem und -verfahren |
Country Status (16)
Country | Link |
---|---|
US (16) | US5574747A (de) |
EP (6) | EP1041727B1 (de) |
JP (9) | JP3736807B2 (de) |
AT (4) | ATE297075T1 (de) |
AU (1) | AU4529796A (de) |
DE (7) | DE69534304T2 (de) |
DK (3) | DK1041727T3 (de) |
ES (4) | ES2179122T3 (de) |
FI (4) | FI116256B (de) |
HK (3) | HK1031955A1 (de) |
IL (6) | IL116444A (de) |
MY (6) | MY125376A (de) |
PT (1) | PT801856E (de) |
TW (1) | TW281837B (de) |
WO (1) | WO1996021295A1 (de) |
ZA (1) | ZA9510969B (de) |
Families Citing this family (179)
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US6977967B1 (en) * | 1995-03-31 | 2005-12-20 | Qualcomm Incorporated | Method and apparatus for performing fast power control in a mobile communication system |
TW347616B (en) * | 1995-03-31 | 1998-12-11 | Qualcomm Inc | Method and apparatus for performing fast power control in a mobile communication system a method and apparatus for controlling transmission power in a mobile communication system is disclosed. |
US5764687A (en) * | 1995-06-20 | 1998-06-09 | Qualcomm Incorporated | Mobile demodulator architecture for a spread spectrum multiple access communication system |
US6831905B1 (en) | 1995-06-30 | 2004-12-14 | Interdigital Technology Corporation | Spread spectrum system assigning information signals to message-code signals |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
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1995
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