Transmission base for a radiotelephone communiction device

2 ~ 7 ~ 3 ~ ,. ... . . .,,: Present La; nvention A detransm base; ssion for a `telephonic radio communication device ~` There are known ~ t rested; t; fs communicationrad o such ~ phon; that which have a plural; tee. basesde of implanted transmission fixed way, a connected telephone unreseau and to ensure a liaisonradio with a series of mobile stations mOVING whose territory covered by the communication10 radio telephone device. In known devices, a basede transmission comprises at least one antenna réceptricede radio electrical signals; ~ enréception a connected coupling member has the receiving antenna; a series of or- -ganes receivers connected to the reception coupling member, 15 a series of digital processing units each-connected to a receiving member, has a line of a telephonic network, and a management unit; émetteurschacun a series of connected members has a digital processing unit; organede a coupling connected Mission ~ ~ issuers bodies; -20 and a transmitting antenna connected to the body; emission coupling. `An otherwise is known for sure,. ~ .- Securit transmission between the base transmission ~; and stat; mobile ons whatever obstacles rad-'25; electrical o existing between the base Transmit; onet stat; mobile ons, such as deterrain unfavorable configurations or some construction; ons formantun screen ~ el radio LPE; that it is desirable to procéde`ra a transmission with frequency hopping, each frequence30 being assigned a way different obstacles by rad o electr; ques.Pour to perform jumps of fréquenceavec existing transmission bases whose structurea been recalled above, it is necessary that the program in coupling organe35 either a broadband device operating . in hybrid mode ~ ~ such bodies ''. ~ i ,, ~ 2 ~ coupling present the; nconvénient of lead to have pertesde; t on which the number of floors of labase transmission so it is necessary to prévoirune n ~ r ~ s initial power bases oF important for transmission to ensure s; ously transmitting many communlcat10ns ~ a ~ in reducing could; t on ensuring required Touten jumps of frequency, the option to re-group the receptor organs and bodies émetteurs10 in assoc common modules; és 3 coupling operating in a mode 3 cavities. Such d; spos; tif .... however, requires the `m is up extrêmementcomplexe a switching matrix to liaise between the modules one hand transceivers and one; your tra; ment Scan; ques` 15 other part.Un purpose of this; nvent; it is a proposer` ~ Transmit base; it relatively simple structure that can easily operate in conjunction with a coupling organede em; ssion type broadband or cavites.20En for the would realize, is that goal, we proposeselon invented; we Transm a base; ss; one for d; spos; common tifde; rad cation o electric, this basic Transm; ssion` comprising at least one antenna rece; this electrical radio signals; a reception coupling member connects to `25 the receiving antenna; a series of `receptor organs connected to the reception coupling member; a series; ~: each num processing units connected ~ cal March 1 receptor organ, to a line of a telephone network and 3 a; ~ management unit; ~ s ~ a series of transmitter members reliés30 the unit ~ s numériques` treatment; couplagevx a member by ~ Mission connected to the emitters bodies; and antenna; `connected issuer 3 emission in coupling member; wherein the digital processing units are relieesaux transmitter members by a series of connecting lines, each connecting line 35 is connected to a part 3 unitede a digital processing and the other organs directors ~ .. ~. L ~! ^ J ~ 3.,, In parallel connexjons, and wherein each organeemetteur includes a switching member controlling the miseen communication the transmitter member associated with the binding Deslignes. `According to one embodiment of the inventiondans in which the issuance of the coupling member is TO cavities design with each transmitter member being adapted ~ transmit a signal at a fixed frequency, each commutationcomporte body messages detection means transmissionprovenant a digital processing units and tale-ing data to be transmitted to the frequency of organeemetteur which the switching element is associated etassure communication commissioning of the transmitter body concerneavec the corresponding link line. According to a mode of r ~ del'invention advantageous realization in which the coupling member in issuance estdu type cavities and in which a permanent emission MUST be provided to a tag frequency, émetteurassocié body has the beacon frequency provides useful ~ Mission ; `20 each time data to be transmitted to the fréquencebalise are present on a connecting line and a ~ mission given when no jam; ~ transmit the beacon frequency is present on one of the lines "` liaison.Selon an embodiment of the invented;! on <~ in which the issuance by coupling member is hybrid type-, each switching element provides a permanent connection with one of the connecting lines. in an advantageous version of the inventiondans which emissions are made ​​at a defréquences than the number of num- processing units; cal, issuance in the coupling member is of the hybrid type, and a ~ permanent mission must be ensured a fréquencebalise, the transmission base member comprises a transmitter tag 35 in addition to transmitter members associated with digital detraitement units, the transmitter tag member being associatedwith a switching member comprising detection means: '..: .-: ..:;., ~ 2 ~ 3. : transmission of messages from the desunités set of digital processing and commanding a émissionde jam the frequency tag when none of autresorganes etteurs ~ n ~ s puts; gnal on the frequency balise.D'autres character ~ tics and benefits del'inventlon apparaltront ~ reading the descr; ptionqui follows of a preferred embodiment not lim; State; fde the invention in conjunction with the single figure jointequi schematically illustrates the structure of a basede transmission according to the invention. Referring ~ l8 figure, the base --- trans mission according to the; nvention réceptrice- includes an antenna electric radio signals 1; couplageen a body r ~ reception 2 connects to the receiving antenna; a série`: 3 receivers connected bodies has the coupling member enréception.Dans the illustrated embodiment, thenumber of receiving members was limited to three but, number 20 may of course be increased depending on the num- ber of communications, the base should ensure the passed-.` sion.Chacun receptor organs is reliéune 3 digital processing unit 4-m ~ me she associated -X 25 line 5 d ~ a telephone network and a unit ~ joint management of 6. 2 reception coupling member operating in hybrid mode and each of the organs Receivers- starts every moment listening to the radio wave electrical - ': that of which the carrier frequency it is 3 ~ communicated par` the digital processing unit which it is associated enfonction control signals given by the unity of gestiondans which frequency hopping rules fl ~ `introduced during the commissioning of the base trans-- mission. Receptors bodies 3 are thus in a conventional manner mesured'effectuer amplification into digital signals and laconversion electric radio signals received while the processing units Nbr ~ riques` provide decoding and transmission over the network tele- ': ;; `` ~: sound received digital signals which group themselves more; communicat ors; Telephon ons; c ~ mult DESR according to rules; plex time known per mêmes.Par an other way, each tra units; tementnumériques 4 is a reliee l; ne ~ s a r e of lignesde link 7 arranged in parallel to send messagesde transmission transmitters organs messageOf 8. Each transmission has data to transmit, the indicationde the frequency with which these data should be émiseset, if any, other; nformat; ons as POWERTO emission. The bodies transmitters 8 are chacunreliés to all connecting lines in parallel con-connections via commu-tation members 9 for controlling the transmitter del'organe establishing communication associated with one of the lines of liaison7. Organs transmitters 8 are connected to a transmission range-neck member 10 itself assoc e to an antenna. ~ Issuing 11.On the embodiment Prefer ~ of the invention, the coupling member in emiss; 10 is one of Typea cav, your, ie that each organ transmitter 8 assoc; e; to the coupling member 10 is adapted to transmit a posted a frequency f; xe. In this case, the number of organs; ~ - emitters 8 is the number of frequencies fixes- 25 which is desired to emit. In particular, although thatthe number of issuers representing 8 organs was limitéà four for simplicity reasons of the figure, cenombre may be increased or reduced depending on the numberof frequencies f; xed that you want to use, however being the nombreminimal equal to the number of milking units-`~ ment digital. Furthermore, the management unit 6 assureune a synchronization; numériques4 treatment for tees at each moment one of traitementnumériques unit sends a transmission message containing ~ `; 35 a given transmission frequency. Jumps fréquencesont carried out so ~ chelonnée in time by each. . 2 -1 3 '' -: the one, tees tra; ment as digital pre-established rules introduced in the management unit at lamise up installation. In this embodiment, each switching element comprises means for détectiondes Transmit ~ on messages from the detraitement Scan ~ c units that determine a way of unitésde traltement num ~ cal to be connected to the emetteur8 which the switching member is associated. Foisqu'un each switching element 9 detects that doivent19 data be transmitted to the frequency of the transmitter unit which it is associated, the switching element provides connexionavec correspondante.L'organe the connecting line ~ transmitter and set communicationassure conventionally processing donnéeset transmits the modulated signal corresponding to the antenneémettrice 11 which then provides modulated emission utile.Dans the case where it is desired to ensure permanent uneémission ~ a beacon frequency, this fréquencebalise to serve as a reference to stations mobile m8me`20 in the absence of data transmission, one of organesémetteurs 8 course set on, this transmitter frequency baliseet provides useful whenever issuance transmission qu'unmessage containing data before 8tretransmises a beacon frequency is present on a lignede l; ouse and em; ssion when no stuffing signalmodulé 3 to be transmitted the beacon frequency is ~ present on one of the connecting lines. According to a; ~ decision taken during the development of each system,; ~ the stuffing issuance is issued sion not modulated 3 lafréquence tag or modulated equity issuance disordered function systeme.-Although in the Rather embodiment, ~ the basic transmission of the invention is util; EES; with a type of coupling device has cavities for r ~ duirela power required for its operation, the base-transmission of the invention can easily be suitable for ..: ..,. ,. . ~ ... ~. ~ ' -:: ~:. :: ~::::: ~ ': ~ -.:. : ~ ~ .:.:. . -. . : ~. :,, .a Operating with a coupling member in em; ssion 10DU hybrid. In this case, each 9est control switching member to ensure a permanent connection with the unedes; linking genes 7 and fonctionne5 transmission base then the same faron the basics of transmission-: Traditional whose structure was recalled at the beginning dela present description. In this case, the number of organesemetteurs 8 can be limited to the number of units of traitementnumériques 4. However, if the number of` 10 frequencies at which emissions are made ​​is greater; the number of digital processing units, and one souhaiteen further ensure continuous issuance of a fréquencebalise, we pr ~ advantageously sees destuff 8 transmitter unit plus assoc issuers bodies; ed to one; tésde tra; ment Scan; c. The commutative body; we assoc 9; e al'organe stuffing transmitter then includes dedétect means; we Transm of messages; ss; there from; all one; tees tra; ment Scan af c; n ;; order a ~ m; stuffing ssion to balise`` frequency transmitters 20 when no other organ emits a signal`- on the beacon frequency. Note that ~ in this case labase transmission according to the present invention still unavantage compared to transmission base-tional convention where a complete line including a receiver member, a digital processing unit and a transmitter body must be associated with the frequency balise.8ien heard the invented; it is not limited to aumode would realize, is described and can be applied thereto desvar; antes de r ~ alisat; it within the scope of the invented; on30En hand; ass; st, although in the derealisation described was; t represented a l; ne telephone 5assoc; ed to each unit of traffic; ment num ~ America 4, a telephone mêmeligne may be associated more; owers detraitement units based on respective capabilities telephoneand the digital processing units., 1 '. .:,.