DE4215287A1 - Automatic channel allocation in radio network - taking into account alternate influence of several radio connections for channel selection - Google Patents

Automatic channel allocation in radio network - taking into account alternate influence of several radio connections for channel selection

Info

Publication number
DE4215287A1
DE4215287A1 DE19924215287 DE4215287A DE4215287A1 DE 4215287 A1 DE4215287 A1 DE 4215287A1 DE 19924215287 DE19924215287 DE 19924215287 DE 4215287 A DE4215287 A DE 4215287A DE 4215287 A1 DE4215287 A1 DE 4215287A1
Authority
DE
Germany
Prior art keywords
radio
channel
new
account
situation
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Withdrawn
Application number
DE19924215287
Other languages
German (de)
Inventor
Bernhard Koesler
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.)
AEG Mobile Communication GmbH
Original Assignee
AEG Mobile Communication GmbH
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 AEG Mobile Communication GmbH filed Critical AEG Mobile Communication GmbH
Priority to DE19924215287 priority Critical patent/DE4215287A1/en
Publication of DE4215287A1 publication Critical patent/DE4215287A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10—Dynamic resource partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Abstract

The network comprises several radio channels and numerous subscribers. If required for a new subscriber, a suitably selected channel is allocated according to preset criteria. In the channel selection, alternate influence of several radio connections is taken into account. A new channel to be allocated is taken into consideration. Pref. the inter-channel modulation distortions is considered as the alternating influence, in addition to existing radio system situation, as well as the new subscriber parameters. USE/ADVANTAGE - For radiotelephone system, with improved subscriber channel allocation by exchange according to traffic situation.

Description

Die Erfindung betrifft ein Verfahren zur automatischen Ka­ nalzuteilung in einem Funknetz nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a method for automatic Ka allocation in a radio network according to the generic term of Claim 1.

In Funknetzen mit einer Mehrzahl von Netzteilnehmern wer­ den häufig, insbesondere bei nur kurzer Belegdauer von Funkkanälen durch einzelne Funkverbindungen, die Funkkanäle zentral verwaltet und erst im Bedarfsfall den jeweiligen Teilnehmern zugeteilt, wobei die verfügbaren freien Kanäle auf ihre Eignung, z. B. nach Störpegeln, be­ urteilt werden.In radio networks with a plurality of network subscribers who often, especially if the document duration is short Radio channels through individual radio connections that Radio channels managed centrally and only when necessary allocated to each participant, with the available free channels on their suitability, e.g. B. after interference levels, be be judged.

Aufgabe der vorliegenden Erfindung ist es, ein vorteilhaf­ tes Verfahren der vorstehend genannten Art anzugeben.The object of the present invention is an advantageous tes procedure of the type mentioned above.

Die Erfindung ist im Patentanspruch 1 beschrieben. Die Un­ teransprüche enthalten vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung.The invention is described in claim 1. The Un Claims include advantageous refinements and Developments of the invention.

Die Erfindung geht aus von der Erkenntnis, daß die für ein Funknetz insgesamt, z. B. in einem festen Kanalraster zur Verfügung stehenden Funkkanäle wegen Interkanalmodulation (IKM)-Bildung und anderer Ursachen wie z. B. Störbeeinflus­ sungen, überreichweiten, örtliche Ausbreitungsverhältnisse gar nicht vollständig genutzt werden können, und daß ein momentan freier Kanal bei Belegung durch einen neuen, d. h. einen neu in den Funkverkehr eintretenden Teilnehmer unter Umständen eine erhebliche Beeinträchtigung bereits beste­ hender Funkverbindungen auslösen kann.The invention is based on the knowledge that for a Total radio network, e.g. B. in a fixed channel grid Available radio channels due to inter-channel modulation (IKM) education and other causes such as B. Interference solutions, overreaching, local expansion conditions can not be fully used, and that a currently free channel when occupied by a new, i.e. H. a new entrant to radio communications at A significant impairment may already be best can trigger radio connections.

Bei dem erfindungsgemäßen Verfahren wird für die Beurtei­ lung der Eignung eines neu zuzuteilenden freien Funkkanals eine virtuelle Funksituation zugrunde gelegt, welche die momentane Funksituation und zumindest den zu beurteilenden Funkkanal als fiktiv belegt umfaßt. Die Beurteilung der virtuellen neuen Funksituation umfaßt dabei sowohl die Be­ einflussung des neuen Kanals durch die bestehende Funksi­ tuation als auch umgekehrt die Beeinflussung anderer Funkverbindungen bei Belegung des neuen Kanals. Die Beurtei­ lung der neuen virtuellen Funksituation ergibt dann indi­ rekt auch die Beurteilung des fiktiv belegten Funkkanals. Diese Beurteilung einer neuen virtuellen Funksituation wird für mehrere oder alle möglichen virtuellen Funksitua­ tionen durchgeführt und durch Vergleich der verschiedenen Beurteilungen wird eine Entscheidung über den bestgeeigne­ ten Funkkanal für eine Neuzuteilung getroffen.In the method according to the invention, for the appraisal suitability of a new radio channel to be allocated based on a virtual radio situation, which the current radio situation and at least the one to be assessed Radio channel included as fictitious. Assessing the virtual new radio situation includes both the Be Influence of the new channel through the existing radio tuation and vice versa influencing other radio connections when the new channel is occupied. The appraisal The new virtual radio situation then results in indi also right the assessment of the fictitiously occupied radio channel. This assessment of a new virtual radio situation is used for several or all possible virtual radio situations tion and carried out by comparing the different  Judging will be a decision on the most suitable hit radio channel for reallocation.

Die Gewinnung der die aktuelle Funksituation beschreiben­ den relevanten Daten wie Belegtzustand, Signal-Rausch-Ver­ hältnis, Pegel usw. der einzelnen Funkkanäle, Standorte von Funkteilnehmern etc. erfolgt in an sich bekannter Weise und die Beurteilung einer neuen virtuellen Funksi­ tuation ist anhand der allgemein bekannten Bildungsgesetze für die Störungen unter Einbeziehung von orts- und system­ abhängigen Größen ohne weiteres möglich. Dabei können ne­ ben dem direkt betroffenen Funknetz auch unmittelbar oder mittelbar benachbarte Funknetze mit berücksichtigt werden.The description of the acquisition of the current radio situation the relevant data such as busy status, signal-noise-ver Ratio, level, etc. of the individual radio channels, locations of radio subscribers etc. takes place in a manner known per se Way and assessing a new virtual radio tuation is based on the generally known educational laws for the disturbances including location and system dependent sizes easily possible. It can ne ben directly or directly to the radio network concerned indirectly neighboring radio networks are also taken into account.

Bei der Beurteilung einer neuen virtuellen Funksituation können auch zwei oder mehr neu zuzuteilende Kanäle als fiktiv belegt in die Betrachtung einbezogen werden, was insbesondere vorteilhaft sein kann, wenn für Sonder­ dienste, bevorrechtigte Netzteilnehmer oder dergleichen ein Funkkanal gehobener Qualität wie z. B. für Datenübertragung freigehalten werden soll. Für eine neue Funkverbindung außerhalb der solchermaßen vorgesehenen Sonderregelungen wird dann beispielsweise nur der zweitbeste freie Funkkanal innerhalb der am besten be­ urteilten neuen virtuellen Funksituation zugeteilt.When assessing a new virtual radio situation can also assign two or more new channels as fictitious evidence can be included in the consideration of what can be particularly advantageous if for special services, privileged network subscribers or the like a radio channel of high quality such. B. for Data transmission should be kept free. For a new one Radio connection outside the intended Special regulations will then only be, for example second best free radio channel within the best be judged new virtual radio situation.

Die Berücksichtigung mehrerer neu zuzuteilender Funkkanäle bei der virtuellen Funksituation kann auch von Vorteil sein bei Funknetzen mit stark schwankendem Funkver­ kehrsaufkommen. The consideration of several new radio channels to be allocated in the virtual radio situation can also be beneficial be with radio networks with strongly fluctuating Funkver traffic.  

Besonders vorteilhaft ist es, Parameter eines neuen Funk­ verkehrsteilnehmers mit in die neue virtuelle Funksitua­ tion mit einzubeziehen, soweit diese bekannt und für die gesamte Funksituation relevant sind. Insbesondere kommen in Betracht Parameter wie z. B. der Standort des Teilneh­ mers, Kenngrößen des Teilnehmergeräts wie Sendeleistung, Sendeleistungsspektrum, IKM-Festigkeit des Empfängers etc., Vorrangstatus eines Teilnehmers wie vorstehend be­ schrieben. Die Berücksichtigung solcher Teilnehmerparame­ ter, die natürlich erst möglich ist, wenn der neue Teil­ nehmer feststeht, kann z. B. in der Weise erfolgen, daß bei der Beurteilung der virtuellen Funksituation lediglich eine parametrisierte, d. h. eine mehrere bedingte Lösungen anbietende Vorentscheidung getroffen und daraus anhand der tatsächlichen Teilnehmerparameter eine Endauswahl des neu zuzuteilenden Kanals gefällt wird. Bei ausreichender Lei­ stungsfähigkeit z. B. eines Prozessors bei der Beurteilung der virtuellen Funksituationen kann die Beurteilung und Auswahl für die Kanalzuteilung evtl. auch erst bei Be­ darfsmeldung für einen neuen Kanal vorgenommen werden.It is particularly advantageous to set parameters of a new radio traffic participant in the new virtual radio situation tion as far as known and for the entire radio situation are relevant. Come in particular considering parameters such as B. the location of the participant mers, parameters of the subscriber device such as transmission power, Transmission power spectrum, IKM strength of the receiver etc., priority status of a participant as above wrote. The consideration of such participant parameters ter, which of course is only possible when the new part taker is certain, z. B. done in such a way that the assessment of the virtual radio situation only a parameterized, d. H. one of several conditional solutions Offering preliminary decision made and based on the actual participant parameters a final selection of the new channel to be allocated. With sufficient lei Stability z. B. a processor in the assessment The virtual radio situations can be assessed and Selection for the channel allocation may also only be made at loading may be made for a new channel.

Die Bauteile für eine Anordnung zur Durchführung des Ver­ fahrens sind an sich bekannt, in erster Linie sind z. B. zu nennen ein Belegtzustandsregister, ein Funkfeldsensor und ein programmierbarer Prozessor. Deren bedarfsweise Zusammenschaltung nach Maßgabe der Lehre der vorliegenden Erfindung ist im Rahmen fachmännischen Könnens möglich.The components for an arrangement for performing the Ver driving are known per se, primarily z. B. too name a busy status register, a radio field sensor and a programmable processor. If necessary Interconnection according to the teaching of the present Invention is possible within the scope of specialist skill.

Die Erfindung ermöglicht, bei hoher Frequenzökonomie eine möglichst hohe Qualität der zugeteilten Funkkanäle zu ge­ währleisten. Die Beurteilung der virtuellen Funksituatio­ nen erfolgt zumindest nach jeder Änderung der aktuellen Funksituation, vorzugsweise fortlaufend oder, bei ausrei­ chender Prozessorleistung, jeweils bei Bedarfsmeldung für einen neu zuzuteilenden Kanal. Im letztgenannten Fall wer­ den aber vorteilhafterweise die Daten der bestehenden Funksituation fortlaufend ermittelt. Bei entsprechender Auswahl und Programmierung des Prozessors kann sich somit das Funknetz bezüglich Verkehrswert, Übertragungsqualität, Frequenzökonomie etc. selbst aktuell optimieren.The invention enables a high frequency economy the highest possible quality of the allocated radio channels guarantee. The assessment of the virtual radio situation at least after every change to the current one  Radio situation, preferably continuously or, if sufficient appropriate processor performance, in each case when required for a channel to be reallocated. In the latter case, who but advantageously the data of the existing Radio situation continuously determined. With appropriate Selection and programming of the processor can thus be the radio network in terms of market value, transmission quality, Optimize frequency economy etc. yourself.

Claims (4)

1. Verfahren zur automatischen Kanalzuteilung in einem Funknetz mit mehreren verfügbaren Funkkanälen und einer Mehrzahl von Netzteilnehmern, bei welchem im Bedarfsfall einem neuen Teilnehmer ein anhand vorgegebener Beurtei­ lungskriterien als geeignet ausgewählter Funkkanal zuge­ teilt wird, dadurch gekennzeichnet, daß bei der Kanalaus­ wahl die wechselseitige Beeinflussung mehrerer Funkverbin­ dungen mit berücksichtigt und neben der bestehenden Funk­ situation ein im Bedarfsfall neu zuzuteilender Funkkanal in die Beurteilung eingeschlossen wird.1. A method for automatic channel allocation in a radio network with several available radio channels and a plurality of network subscribers, in which, if necessary, a new subscriber is assigned a suitable selected radio channel based on predetermined assessment criteria, characterized in that when selecting the channel, the mutual influence several radio connections are taken into account and, in addition to the existing radio situation, a radio channel to be allocated if necessary is included in the assessment. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als wechselseitige Beeinflussung zumindest die Interka­ nalmodulations-Störungen mit berücksichtigt werden. 2. The method according to claim 1, characterized in that as a mutual influence, at least the interka nalmodulation disturbances are taken into account.   3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeich­ net, daß Parameter eines neuen Funkteilnehmers, dem ein Funkkanal zugeteilt werden soll, mit berücksichtigt wer­ den.3. The method according to claim 1 or 2, characterized net that parameters of a new radio subscriber, the one Radio channel should be allocated, taking into account who the. 4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß anhand der bestehenden Funksituation eine parametrisierte Vorauswahl getroffen und die Parameter eines neuen Teil­ nehmers zur Endauswahl herangezogen werden.4. The method according to claim 3, characterized in that based on the existing radio situation Preselection made and the parameters of a new part be used for the final selection.
DE19924215287 1992-05-09 1992-05-09 Automatic channel allocation in radio network - taking into account alternate influence of several radio connections for channel selection Withdrawn DE4215287A1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997013388A1 (en) * 1995-10-02 1997-04-10 Telefonaktiebolaget Lm Ericsson (Publ) System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network
EP0841826A2 (en) * 1996-11-08 1998-05-13 Lucent Technologies Inc. TDM-based fixed wireless loop system
WO1998059510A1 (en) * 1997-06-19 1998-12-30 Siemens Aktiengesellschaft Method and device for managing and allocating radio transmission channels in mobile radiotelephone systems
US6144652A (en) * 1996-11-08 2000-11-07 Lucent Technologies Inc. TDM-based fixed wireless loop system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997013388A1 (en) * 1995-10-02 1997-04-10 Telefonaktiebolaget Lm Ericsson (Publ) System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network
EP0841826A2 (en) * 1996-11-08 1998-05-13 Lucent Technologies Inc. TDM-based fixed wireless loop system
EP0841826A3 (en) * 1996-11-08 2000-01-19 Lucent Technologies Inc. TDM-based fixed wireless loop system
US6144652A (en) * 1996-11-08 2000-11-07 Lucent Technologies Inc. TDM-based fixed wireless loop system
US6961325B1 (en) 1996-11-08 2005-11-01 Lucent Technologies Inc. TDM-based fixed wireless loop system
WO1998059510A1 (en) * 1997-06-19 1998-12-30 Siemens Aktiengesellschaft Method and device for managing and allocating radio transmission channels in mobile radiotelephone systems

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