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WO2002065666A1 - Procede et systeme de commande de capacite de canaux partages - Google Patents

Procede et systeme de commande de capacite de canaux partages Download PDF

Info

Publication number
WO2002065666A1
WO2002065666A1 PCT/SE2002/000229 SE0200229W WO02065666A1 WO 2002065666 A1 WO2002065666 A1 WO 2002065666A1 SE 0200229 W SE0200229 W SE 0200229W WO 02065666 A1 WO02065666 A1 WO 02065666A1
Authority
WO
WIPO (PCT)
Prior art keywords
shared channel
throughput
transmission power
action
spreading factor
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.)
Ceased
Application number
PCT/SE2002/000229
Other languages
English (en)
Inventor
Andreas Andersson
Patrik Karlsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of WO2002065666A1 publication Critical patent/WO2002065666A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • H04J13/20—Allocation of orthogonal codes having an orthogonal variable spreading factor [OVSF]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems

Definitions

  • the present invention relates to cellular mobile radio systems, and more especially to common or shared channel throughput in such a system, particularly in a Universal Mobile Telecommunications System, UMTS.
  • UMTS Universal Mobile Telecommunications System
  • EP0886389 discusses the interrelationship between transmission power, spreading factor and data rate.
  • European patent application EP0876008 discusses the interrelationship between spreading factor and data rate. None of the cited documents reveal a method and system of throughput control, estimating shared channel throughput and dynamically adjusting transmission power or spreading factor and related throughput of the shared channel.
  • an object of this invention is to dynamically allow for throughput preserving measures of a shared chan- nel.
  • Figure 5 shows a network element, according to the invention, for practicing the method of figures 2 and 3.
  • Data traffic tends to occur in bursts.
  • the traffic time-variation in a cell can be substantial. Consequently, it is difficult to foresee the required capacity for data traffic of a particular cell when the system is set up. Also, the demand of an in- dividual user as regards throughput and delay will vary over time.
  • This invention simplifies and reduces the system resources allotted for channel allocation and yields a stable air-in- terface load control.
  • a single shared traffic channel is used for data traffic in downlink.
  • the shared channel is of a predetermined size, in terms of capacity, and channel structure. Data is queued until it is transmitted. Queuing time will depend on traffic load and throughput at a given shared channel capacity.
  • capacity of the shared channel is not determined adaptively over time on basis of amount of data traffic in a cell.
  • Spreading factor four represents a medium user data rate.
  • a user allocated a channel of spreading factor 16 occupies the lowest data rate in this exemplary figure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un système de commande de capacité dynamique servant à attribuer des ressources de transmission en fonction de la capacité de canal partagé dans des systèmes radio mobiles cellulaires.
PCT/SE2002/000229 2001-02-12 2002-02-08 Procede et systeme de commande de capacite de canaux partages Ceased WO2002065666A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0100476-1 2001-02-12
SE0100476A SE0100476D0 (sv) 2001-02-12 2001-02-12 Method and system of throughput control

Publications (1)

Publication Number Publication Date
WO2002065666A1 true WO2002065666A1 (fr) 2002-08-22

Family

ID=20282966

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2002/000229 Ceased WO2002065666A1 (fr) 2001-02-12 2002-02-08 Procede et systeme de commande de capacite de canaux partages

Country Status (2)

Country Link
SE (1) SE0100476D0 (fr)
WO (1) WO2002065666A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004043103A1 (fr) * 2002-11-08 2004-05-21 Nokia Corporation Procede de transmission de donnees, controleur de reseau radio et station de base
EP1458213A1 (fr) * 2003-03-12 2004-09-15 Bouygues Telecom Procédé d'allocation de ressources à un mobile
WO2006005223A1 (fr) * 2004-07-12 2006-01-19 Zte Corporation Methode d'ajustement dynamique du facteur d'etalement dans le systeme w-amdc

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859838A (en) * 1996-07-30 1999-01-12 Qualcomm Incorporated Load monitoring and management in a CDMA wireless communication system
WO2000054438A1 (fr) * 1999-03-08 2000-09-14 Qualcomm Incorporated Attribution de debits dans un reseau de communications
WO2000055976A2 (fr) * 1999-03-15 2000-09-21 Telefonaktiebolaget Lm Ericsson (Publ) Regulation de puissance adaptative dans un systeme de radiocommunication
WO2001031948A1 (fr) * 1999-10-29 2001-05-03 Telefonaktiebolaget L M Ericsson (Publ) Commutation d'un type de canal sur un canal commun en fonction de la charge du canal commun

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859838A (en) * 1996-07-30 1999-01-12 Qualcomm Incorporated Load monitoring and management in a CDMA wireless communication system
WO2000054438A1 (fr) * 1999-03-08 2000-09-14 Qualcomm Incorporated Attribution de debits dans un reseau de communications
WO2000055976A2 (fr) * 1999-03-15 2000-09-21 Telefonaktiebolaget Lm Ericsson (Publ) Regulation de puissance adaptative dans un systeme de radiocommunication
WO2001031948A1 (fr) * 1999-10-29 2001-05-03 Telefonaktiebolaget L M Ericsson (Publ) Commutation d'un type de canal sur un canal commun en fonction de la charge du canal commun

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004043103A1 (fr) * 2002-11-08 2004-05-21 Nokia Corporation Procede de transmission de donnees, controleur de reseau radio et station de base
EP1458213A1 (fr) * 2003-03-12 2004-09-15 Bouygues Telecom Procédé d'allocation de ressources à un mobile
FR2852477A1 (fr) * 2003-03-12 2004-09-17 Bouygues Telecom Sa Procede d'allocation de ressources a un mobile
WO2006005223A1 (fr) * 2004-07-12 2006-01-19 Zte Corporation Methode d'ajustement dynamique du facteur d'etalement dans le systeme w-amdc

Also Published As

Publication number Publication date
SE0100476D0 (sv) 2001-02-12

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