EX. 1005
` (Part I)
`
`Petitioner Cox Communications - Exhibit 1005 Page 1
`
`

`
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`
`1
`
`-'\.'‘--'D M{}|1$ll.l‘. E-‘._.»§.LJJj_}__.‘§_‘j'.‘€'_I E-AIS
`
`Petitioner Cox Communications - Exhibit 1005 Page 2
`
`Petitioner Cox Communications - Exhibit 1005 Page 2
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`

`
`{C}
`
`Crown Copyrighl I933
`First published January 1933
`Reprinted and revised October I‘?-WE}
`Reprinted and revised November I991
`
`Amendments issued since publicalmn
`
`
`ifimandment
`Number
`
`| Date of 19523
`
`Text affected
`
`|
`
`I
`
`P.
`
`Dczober 159$
`
`‘
`
`incorporated in the version
`reprinted in October 1990.
`
`.by a bar in the margin.
`
`hmended tax: was highlzghted
`
`Petitioner Cox Communications - Exhibit 1005 Page 3
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`Petitioner Cox Communications - Exhibit 1005 Page 3
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`

`
`
`
`FOREWORD
`
`This standard defines the rules for communication between radio i.l1'IiL‘i and tnmking
`system controllers operating in tnintied private land mobile tatlio systems.
`
`Applications and test conditions for This standard, applicable to Band II], are contained in
`the following specifications prepared by the Depaztinent of Trade and industry.
`Radio-oornrnunications Agency.
`
`MPT 1343
`
`System interface specification for radio equipment to be used with
`commercial trunitcd networks opclating in Band I11, sub-bands 1
`and 2.
`
`M PT 1347
`
`Radio interface specification for commercial trunked networks
`operating in Band III. sub-bands i and 2.
`
`MPT 1352
`
`Test schedule for the approval of radio units to be used with
`commercial trunked networks operating in Band III. sulrhands i and
`".|1..
`
`lti
`
`R'h
`
`Finns intending to manufacture equipment which complies with the standard should be
`aware that certain features of the standard are subject to [PR CiiitI'E'IS.
`
`Ail firms are the-ret'ore advised that they should ntaite appropriate enquiries through
`their Patent Agents before proceeding.
`
`Petitioner Cox Communications - Exhibit 1005 Page 4
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`Petitioner Cox Communications - Exhibit 1005 Page 4
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`

`
`1+
`
`2.
`
`3.
`
`4.
`
`5.
`
`E.
`
`7-
`
`B.
`
`9.
`
`.'LD.
`
`LI.
`
`12.
`
`13.
`
`14.
`
`15.
`
`15,
`
`
`
`INTHGDUCTIDH
`
`DEFINITIONS
`
`SIGNALLIHG PDHHLTS
`
`ADDRESSIHG
`
`Cl2|DE“l-IURJJ STRUCTIIBES
`
`CHHNHEL DISCIPLIHE
`
`HARD-CIH ACCESS PHOTO-DBL
`
`REGISTRFLTIGN PFIGCEDEITIEE
`
`BASIC CALL PROCEDURES
`
`EHERGENCI CELL PHDCEIIURES
`
`INCLUDE EHLL PHDGEDURES
`
`CALL DIVEESIDN PROCEDURES
`
`STBTUS HESSHGE PHBCEDURE5
`
`SHORT DBTH HESSAGE PROCEDURES
`
`DATE INTEERDGATIDN PROCEDURES
`
`section zfifierved for additional nhurt data procedure:
`¢.g. sans.
`
`IT.
`
`STANDARD DATE PROCEDURES
`
`APPEHDIx 1.
`
`Suggested values for pernmeteru.
`
`LPPEHDIX 2.
`
`The error control properties of the codewords.
`
`APPENDIX 3.
`
`In a1].gor1I:n:':I for detarminlnq the cndaamzd comp1&I'.'.on
`iequfince of 3 central channel syatam codeword.
`
`APPENDIX 4+
`
`an algorithm for genaratinq fields A and B of
`tha HARK codeword.
`
`APPENDIX 5.
`
`ECD coding.
`
`RPPENDIK 6.
`
`Reserved Ea: Timing of EEEPDUBEE for standard data at a
`cuatnminad rate.
`
`APPENDIX '3.
`
`other ideas cnnaidered during the draft1ng of auction 11'
`[standard data}.
`
`Petitioner Cox Communications - Exhibit 1005 Page 5
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`Petitioner Cox Communications - Exhibit 1005 Page 5
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`

`
`L-_
`
`in I signalling Itlndllld for tnnnlced private land mobile radio
`HIITJJZ1‘
`nyatoma.
`It define: the protocol ruloa tor communication but-anon I
`trunking Ilyitqm contruollnr {TEE} and naarn‘ radio units.
`
`from
`a. wide variity of ayatnml.
`Tho Itandard can on land to implement
`Small syntotna with only a tour radio channels (awn Ilnqlt-chlrlrlil Iyltilnil.
`through to large networks which my be formed by tho intnrcononction of
`Taco.
`
`The protocol -offer: a broad ran-go or user taoilitioa and Ffltllli
`options. However. it in not necessary to imp-lament all or the utilities
`availah-in: on appropriate amount of tho protocol could bu inplomontad.
`according to the one: raquiramanta. Also, that: in acopc for contamination
`for special raquirnnanto, and proviaion has bean mad: for Eartha:
`standardised faciiitioa to be added to the protocol in the future.
`
`Tho atondard dofin-no only the ovor-air signalling and lmpooao only
`minimum constraints on system doaign.
`additional specifications will he
`required tor ap-ooifio ioqzionuntatiooa. for ouamplo. to defino:
`
`thk facilities that must be impioantad
`-
`paras-unto: valuna
`-
`a ohonnoi plan
`-
`- Eat a uotuork. oritoria for when a radio unit ahouid rogiater.
`
`Section 1.1 or this introduction ooscribea than use: ncllitlon which
`are oxplicitly providld by tho protocol.
`[It does not diicribu additional
`facilities which may he offered in a radio unit but which do not require
`any specific p:atocu1.|
`
`section 1.2 describes sumo protocol In-nturoo.
`available to sy-atom: disiqnerfi.
`
`indicating the options
`
`Section 1.3 provides an introduction to the operation of the protocol.
`
`Suhnfiquent auctions of this documant contain the protocol dflfiflitlfln.
`In moot of theme sections.
`the protocol rules tor the rsc and for radio
`unit: are specified aaparately, out with croaa-refersncing whorl
`convenient.
`
`Page 1-1
`
`Petitioner Cox Communications - Exhibit 1005 Page 6
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`Petitioner Cox Communications - Exhibit 1005 Page 6
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`

`
`1,]
`
`Hang flcilitiul
`
`The Eecilittea available to uaeri are outlined below.
`definition of the faeilitxea, aee the eeetient
`indicated.
`
`For a full
`
`f en
`
`The standard protocol enables radio unit: to make the following types
`of call.
`
`Speech cell.
`
`{See section 9.}
`
`Fur group
`Speech cell: may be rlquested wLth normal or hLgh priority.
`calla.
`the calling party may opt for a conversational mode, uhore all
`parties are able to speak, or for an announcement mode where enly the
`caller may speak.
`
`Data cell, for the tranemieseen of nan-prescribed signalling.
`{see section ?.}
`
`Parameters are available to apaoify aithar normal or high priority
`and, fo: 1 group cell. whether the called group members can reply.
`{Provision has been made for specifying 1 ntendard method of data
`communication in the future]-
`
`Emerqnncy call.
`
`[See Iection 10.j
`
`Parameters are available to apectfy eLther a speech or a date cell
`and.
`for a group call. whether the called group number: can reply.
`also.
`a radio unit may request a special mode of emergency service
`previously arranged with the nyetem:
`the TEC determmnee the requxxed
`action by reference to the calling unit's address.
`
`include cell.
`
`{See section 11.}
`
`that another party geina the cell.
`e untt may request
`During a cell.
`This facility may be used to implement a Conference Call or ¢eL1
`Transfer.
`
`Status meaaaget
`
`{See aection l3.|
`
`Thirty-two dxfrerent Btatufi messages may be cenveyed between Hflhflfis
`The meaninge of two at
`these messages are prescribed as a "ca1L-me-
`hack request" and “cancel previous call-me-back request".
`The
`remaining thixty messages have user-defined meanings.
`{statue
`massage: can also he sent between radio units and the TSC.i
`
`short Data Message.
`
`:5ee nectlon 14.}
`
`Heeeegea of up to lflk bite of free Iurmat date can he sent between
`units. Dr between units and the 15C.
`
`Petitioner Cox Communications - Exhibit 1005 Page 7
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`

`
` 1
`
`It radio unit may rtq-naat a call to any of than tollowlnq callad partial
`(axcopt for ltatul unspagqa, which cannot be addrliltd to Fill or P511!
`destination: or to group):
`
`—
`-
`-
`-
`
`an l.nrli1ri,rl.I.||.1 radio unit cu: llna-connaotad unit
`I group. or all unit: in tin! tyflim
`a. PAH): nuaibnr, up to nina diqlta
`I P511! nuubar, up to 31 tliqita.
`
`In addition, atatua. Iuaala-gal and ahort data Iaaaaag-an may he cant to than
`TEE.
`
`tha 1'51: nay paaa a Hid! variaty of information to
`During call not-up,
`the callar, to indicate tho prugraaa of the call.
`For axanpla. it may
`indicata tho reason fru: any dalaya Ln call aat-up or tho raaaon for a call
`failure.
`
`A call raquoat may ha cancellad at any 1.'.L'|lE'-
`
`
`
`m A
`
`radio unit may racalva calla iron: a radio unit or llne unit. or
`{axcapt tor atatua nuaaaaqaa]
`from a FAB! aatanalnn or the PSTH.
`In
`addition. atatua manager and short data oaaaaoaa may he racaluao from the
`TEC. For a call from a radio unit, a una unit or t.I-La *rsr:,
`tha railing
`acldreaa may he nuppliacl to the called 1.-.n.Ll:. E0: in call from a Fan:
`axtenaion or iron the IISTH,
`the calling oat-away la lndlratad as the aourca
`of the call but than call-ar‘a zzunhar
`la not -con-mg,-ad to the called unit.
`
`incoming calls may in adclraaaad to tha unit individually or to a group
`to which ll: bazlonga.
`A radio unit may be a Mather of an arbitrary mmblr
`of groups; its group Idfltlllll can ha cholan lnfiapnndlntlyr of lta
`individual aodraaa.
`
`tor example by
`A radio unlt may nature to accept all incoming calls.
`mean: or a "busy" or "ouI:—oE—vah'u:1a" control. or incoming cllll conic he
`ratuaurl aulnctlvaly, dapun-ding on thl aourca of that call.
`It a unit: doaa
`not with to pro:-and with an incoming call immediately. he can indicate that
`he will call back later.
`
`syatan-.a any ha oonflgurad to alart a calla-d individual and raqnlra hum
`tn indltata that no la raady, before a traffic channel
`la allocated for a
`call.
`
`.14
`
`11:‘:
`
`a
`
`lt may request that
`II.‘ a radio unit does not -Ilah to rat-Hive calla.
`future calla addraaaad to it he radiractad to a apacltlod alternative
`daaI:Lnat.}.on-
`1!. radio unit may also raquaat radiractlon on hahalf of a
`third party,
`for mrampln, for a unit which in not Itqulpparl {or call
`dlvaralon. H. radio unit calling I: diverted party will be infoznvld of the
`altarnatlva daatinatlon to try; it my than ra-mafia tha call automatically,
`or it may give the nu: the: option or dutldlng whether to call the
`altnrnltlvn dnltinatlun.
`Saar auction 12 for the 111.11 divlralorl facllltina.
`
`Page 1-3
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`Petitioner Cox Communications - Exhibit 1005 Page 8
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`Petitioner Cox Communications - Exhibit 1005 Page 8
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`

`
`t
`
`P a u es s d reel
`
`t es
`
`1.
`
`.1
`
`S stem d1 ensio 5
`
`The numher1ng range of the protocol accommodates:
`
`-
`-
`
`-
`
`1.u3a,aun addresses per system
`ID24 channel numbers
`
`32?fiB system identity codes.
`
`ol
`
`The protocol ueee signalling at lzflfl bit}: with Fast Frequency Shift
`Keying [FFsK} suhcnzrier modulation.
`It is designed for use by two-
`frsqusncy half-duplex radio units and a duplex TEC-
`
`The signalling for setting up calls is transmitted on a “control”
`channel.
`fi TSC can be operated using either of two control channel
`strategies: dedicated or non—ned1oated.
`A dedicated system has a control
`channel permanently available for signalling, whereas a non-dedicated
`system may assign the control channel for traffic (speech or data
`communication} if all the other channels are in use.
`The use of a
`dedicated control channel Ls sppropriate for I TEE with many channels.
`whereas a nonhdedicsted control channel may he more appropriate for H TSC
`with only a few channels. The protocol allow: the use or either strategy.
`
`Broadcast messages are available to inform radio units of system
`information. such as the channels which the system may use for control
`signalling.
`
`one of the problems of mobile radio signalling systems is the cleaning
`of messages from different radio units transmitting at the same time.
`The
`problems of clashing are controlled by an access protocol uhich offers high
`efficiency, stability and flexibility.
`[See section 1.3.3 and section 7-:
`
`Protection against interference is provided by labelling the
`signalling with a system identity code and,
`in some messages,
`the channel
`number.
`If heavy interference is encountered, control can be changed to a
`different channel-
`
`To cope with system malfunction. a customised fs11+beck mode of
`operation may be defined by the system nesigner.
`
`;.2,3 Call handling
`
`ia designed for use by systems which queue calls that
`The protocol
`cannot be set up immediately,
`for example, if no channel
`is currently
`available for traffic.
`
`is assigned for a call to an individual radio
`Before a traffic channel
`the Tsc checks that the called unit is in radio contact.
`in order to
`unit,
`avoid wanted channel assignments.
`It may also check that
`the Indie unit's
`operator in ready for the call.
`to avoid a traffic channel being assigned
`to an unmanned unit.
`
`Petitioner Cox Communications - Exhibit 1005 Page 9
`
`

`
`
`
`call maintenance Iig-nalling in datinad to: prompt nleua or train:
`chlnndln at the -and of a conversation. or in case conlaunlcatiun is int
`during I. 1:111.
`{Ell lnction 1.3.5 Incl Iictlon 9.]
`
`In a prncaution against traudulent un of -I critic: of an unauthorised
`radio unit.
`the 1'5-C may at any tint instruct 1 radio unit to truunit it:
`unique Iirinl. numbnr; 1:.-omparijun of tho racolvld ltrill number with the
`expected value will usual: in tho donation of fraudulent users.
`[5-an
`Ilction 15. In
`
` m
`
`T11-I itlnrlnrtl loaves soap: for Irurioul multi-lit: Hid:-urn: coverage
`technique: to bi used,
`for Ixunpli:
`
`-
`-
`-
`
`nynohronousfquaui-uynchronuun up-oration
`A separate control channel. at such alto
`in single control channel
`lha:-ad by him: division.
`
`includu a registration tacilitgr to assist thl
`The protocol
`implementation of multl.-sit. uyltaml and natunrk: at ‘lacs: a radio unit can
`inform that 'l‘5c of its location an it roam between alter: or Iryitnnu.
`(The
`nyutnm identity oo-do distinguishes the signalling from diflerclnt litter and
`systems}. The standard detinea signalling procedural {or registration
`{section B]. but the criteria for reqiatratlon will be system-dependent.
`
`Pa TBC can broadcast information to alatst radio units hunting [or a.
`control channel when they roam; for example, it can announce the channels
`which may be uaed for control by itself or by TEE: on adjacent sites.
`
`Page 1-5
`
`Petitioner Cox Communications - Exhibit 1005 Page 10
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`Petitioner Cox Communications - Exhibit 1005 Page 10
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`

`
`li§______Efll£§_£2_E!E_EI_E£EE2EEl_EE£ELl
`
`Thin section provides an introduction to the operation of the protocol
`which, bscluss of its scope and flexibility,
`is nscasnazily complex.
`The
`section outlines the control channel etructure.
`the random access protocol
`and aome maahaga ixchinga procedure: for call set-up.
`
`This aection ie intended only an a guide: it nhould not be regarded as
`I protocol speoiliontion. Readers should refer to the main body of the
`standard for the complete and precise definition.
`
`t o1 aha
`
`0
`
`r c u e
`
`The signalling for sitting up calls is transmitted on a "control"
`channel.
`Time on the control channel is divided into slots of duration
`
`[128 hits}. and one signalling meiaage can be sent in each slot.
`106.1 me
`The basic control channel signalling structure in illustrated in Figure
`1-1.
`
`[base station transmit fzequsncyp is
`signalling an the forward channel
`nominally contlnuoua, with each slot comprising two 54-bit codewords,
`ueuallyt
`
`1}
`
`A Control Channel System Cadsword {DOSE}.
`The cost identifies the system to radio unite and provides
`synchronisation for the following “address” codeword.
`
`in “address” codeword.
`
`an at-Ia-I-I-nun J-u-u-Iahrd-u-4-1
`
`-"II:
`
`i-1-In iii-nlr a-r-I-r|nt.II-u-I-I Hf
`
`21-nu IIIIIIEIFIIZI
`
`IIOOOOOOOOOOIOI
`
`Petitioner Cox Communications - Exhibit 1005 Page 11
`
`

`
`
`
`‘rho Inoouaguu aunt on a control channel may be olaaairiod an rolloun:
`
`aloha moon-goo
`
`noquoata
`
`- Eont by thl T!!! to inviti i.nI:l tontrui
`ranrluu alroill.
`- sent by radio unita to request
`calla,-‘transact ion: .-
`- sent by the ran to dunno I response from an
`addrlaaod radio unit.
`- sent by tho ‘ISO and by radio unita.
`hoknowlodqennnta
`En Tu Chlnnnl nnuaaqtn - Soul: by thl ‘ISIS to allocate traffic ohannila.
`Eingla address snannagua - currontly aunt only by radio units.
`short data tuna-aagoa
`— suit by tha rs: and by radio unitl.
`Hincoiianooun ruulaagaa
`- Soul: by tho T5: for Iyat-no control.
`
`"Ahoy" meaaaqa:
`
`some nan: of those maaaagaa no illustrated in the following not-tions.
`
` i
`
`Uni of the problems of mobile radio Iignallinq lchomaa in tho olaah of
`message:
`from diffaront rldia unit: transmitting at the: not time.
`In this
`standard.
`the problem: of clashing are controlled by a random access
`protocol which is brand on slotted Aloha. with -I Buparirnpoaafl framing
`structure.
`The acceaa protocol can be oath! to minimiia accoan dalafs,
`Ensure stability and maintain peak throughput under heavy traffic loads.
`
`The basic principle oi the access protocol is ducribud with rein-once
`to Figure 1-2, which illustrates signalling on a control channel.
`The T513
`tranamltn a nynchroniaation montage {lndicatad by ILH in Fiqura 1-21 to
`invite radio units to send random ICEBII manager. The ILL!-l manage
`uontalna a parasnntor {H} which indicate: the number of following tiulnllota.
`cnnntituting a Erama.
`that are availahla for action.
`I! a framn 15 already
`in progress when a user initiates a call;
`the radio unit may rand its
`random accnan maanaga in the host slat. Dtharuiaa tho unit waits for a
`frame to he ntarta and than rhoouaa a random Ilot from the frame for it:
`maaaaqo. A unit Hiahinq to aand a repeat Lranamianion aftar an unaunraaaful
`moaaaqo {oorruptnd of fading or ciaahingj chuoaaa again from a new framu.
`
`I alot
`<---1
`
`TSC tfl
`radio units
`
`Radio unina
`ta TSC
`
`HLH
`{4}
`
`LLH
`[J1
`
`'1
`
`frame
`
`fl
`
`1!‘
`
`frame
`
`
`
`Petitioner Cox Communications - Exhibit 1005 Page 12
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`Petitioner Cox Communications - Exhibit 1005 Page 12
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`

`
`-
`
`-
`
`u
`
`s D
`
`t a
`
`nd
`
`a
`
`0 or 1
`
`The main features or the access protocol are as rollown:
`
`Tho T5: can monitor activity on thl control channel and can optimism
`the nyatam performance by varying the framelength to prevent excesnivfl
`c1aahLng and to minimise aocoaa delays. Figure 1-3 illustrates an
`example of random acorns control-
`
`The nignailinq overhead for random access control is kept nmnll by
`allowing Acknowledgements and Go To chnnnol massage: to contain the
`rramelangth paramltir 1H5. no that frames can be marked without
`requiring an explicit Aloha message.
`for example, not Figure 1-3.
`
`the Tao may transmit message: that demand a
`During a frame.
`rouponoe from a opooiiied radio unit. These outbound messages
`inhibit random access in the following slut, and no reserve the
`llot fur the unit’: reply.
`
`The TEC may roaorvo frames for:
`
`—
`
`specific types of call raqnofit. by moans of apecific Aloha mafisagaa
`[for instance.
`the Aloha message ALHE invites emergency calla
`only}:
`
`-
`
`subsets of the radio unit population {subdivision by address].
`
`TEC to
`radio units
`
`Radio units
`to TEE
`
`The T56 detects the clashing of requonta R951 and R932. and
`marks a longer frame {with message fiLH|2j].
`The radio units
`repeat their requests and,
`in this example. choose different
`aloto.
`Each request is acknowledged in the following slot.
`
`ALH{O] deal not mark a frame.
`
`aCKQ{1| acknowledgon a roquou: and alao marko a new frame.
`
`In the abaance at clashing,
`
`the framelenqth may he reduced.
`
`?i
`
`. 1-3
`
`Exam e of r
`
`dam access
`
`o tro
`
`Petitioner Cox Communications - Exhibit 1005 Page 13
`
`

`
`
`
`1....1
`
`A unit eddreee ie a 29-bit nunaher comprising two Heine: a 1-bit
`prefix and 1 13-bit ident.
`tllonmally, all member: of a fleet will be
`Illncetld the sense prefix.)
`The divieion into prefix and ident allow: most
`lnflciagtl tn accncsnadsta tun sddreieal, the calling and called petty, by
`including the prefix only once.
`For inetlnue. call request: and Go To
`channel message: contain two idante and only one prlfil.
`
`For a call to a unit with the nine profit. a reqnelt manage contains
`all the inlormetien necessary to make the call. However,
`tor a call to a
`unit with at different prefix.
`the call details cannot be ecconmndated in at
`single adores: codeword; this type of call require: the use of ‘extended
`etldreeninq-'1' procedure: {s1 do some PAH! sntl. mast PEN!’ calls].
`
`The precise iignnlllng require-d fcrr 1 cell dapsntln on the type at call
`and an the design of the TEE:
`[the Itlndsrd. does not prescribe the 1'5-C
`alguritrunsj . This section contains some examples of running: exchange
`Iequences. Note that. although not shown in the examples. messages will be
`retransmitted in the case of corruption by propagation error: or collision.
`
`Exarnplei of message exchange eequeneee for cell eet--up are preeented
`in eectione 1.3.5.1 to 1.3.5.3. These examples ehuu control channel
`Signalling, for:
`
`tall requeets
`instruction to send extended address information
`checking availability of radio unite
`traffic chennei allocation.
`
`-
`-
`-
`
`Signalling in 515:: eent an an allocated traffic channel, for cal].
`maintenance and cell clssr-down.
`For
`instance:
`
`at
`
`b}
`
`I?!
`
`To eeeiet cell maintenance, a radio unit sends a ‘Fresnel or!"
`aneeeage st the and of each speech transmission.
`The system may
`elllo require the unit to start each. speech transmission with a.
`"Free:-e1 On" meunaqn and to acne can maintenance manages
`periodically within the transmission.
`
`The Calling unit in a group cell. ea: both unite in an Lnduunual
`cell.
`send. "DilcunnIct" melseqes to indicate anti-oi’-channel-uee
`when the user goes on-hunk or equivalent.
`
`The T51‘-‘ Iende ¢1.BnR messages to clear noun a call [after receiving
`an valid Diet:-onnect meneaqe or it e timevout hen expired].
`
`However.
`
`the exnmplee do not never treflic channel eignailinq.
`
`The final example {section 1.3.5.4) illustrates the transmission of a
`Bhort data message. This type of
`transaction does not one a traffic
`channel: it requires control channel aignalllnq only.
`
`Page 1-9-
`
`Petitioner Cox Communications - Exhibit 1005 Page 14
`
`Petitioner Cox Communications - Exhibit 1005 Page 14
`
`

`
`;.3.5.l
`
`zggggle: radle unit calls 9 gggug
`
`Figure 1-4 illustrates a message sequence on A central channel to net
`up a group call between radio unit: with the same prefix.
`
`The sequence includes call request and channel allocation elqnelling.
`(Fe: group calls, an avallablllty check on the called units is not
`parf9rmad.:
`in this example, all traffic channel: are Ln use when the call
`Le requested and an the cell
`is queued.
`
`TSC to HUB
`
`RUE to 1'5:
`
`3:25
`
`2
`
`|
`
`3‘
`1
`I
`N
`frame frame
`
`\___.u'
`‘a____)'
`frame frame
`
`General Aloha invitatlon iuna-nlot frame}.
`
`The calling radio unit tranamita its request, complylng
`with the random accuse protocol.
`
`The TSC aeknnwledgee the EDS message. Lntermlng the
`calling nnlt that the call has been queued.
`
`the T55 eende the
`When a traffic channel me available.
`GO Ta channel commend, addressed tn the calling unit an:
`called group; this message instructs the units ta nwltch
`tn the trafiic channel far their conversation.
`In thla
`
`example the STD is repeated.
`
`for added reliability.
`
`Fig. 1-4
`
`Cammgn-graflg wrong call
`
`for
`Alternative acknuwladgemanta from the T55 are available LI,
`tnetence,
`the call request is invalid or the nyntem la nverlnnded.
`
`is available when a group call is requested then
`If a traffic channel
`the TSC may omit the RCEQ and send the GTC command lmmediately.
`
`In this example the GTC menenge in repeated tmmedlately. Hewever,
`repeat messages may be delayed for other signalling.
`
`Petitioner Cox Communications - Exhibit 1005 Page 15
`
`

`
`
`
`Iigurl 1-5 illuitrltln a nnaa-qt aaquahcs on a control channel to sit
`up a call 1:-Irtumm two radio unit: with thl um prllix. Th: Iatzu-Inca
`inc.-ludaa tall requaut, availability chuck Ind chlmnal allucatinn
`I ignalling .
`
`TEE to 111.1!
`
`ETC
`Ill
`
`‘N.
`
`train:
`
`I "n
`
`Inna
`
`I
`I ‘i
`frame
`
`J...
`
`.nL1-I
`
`: G-Innrll
`
`lliahl. invitation IU'.il'B'I':I1£I'|'. fruit.
`
`2.
`
`RES : Random access call request.
`
`3.
`
`ANY 1 Availability chunk rnnnga
`*-
`acknuwlndqlll :13: ME llfllllqfl
`- dlmlndl I rnlrpnnlt from the calllicl radio unit
`[thartby checking whether the called unit
`in in radio contact:
`inhibits randnm acceaa in the mutt slant.
`
`+
`
`4.
`
`ICE :
`
`lcknnwladqnnant tram thn callad radio unit,
`aunt
`in the zaaarvad slot.
`
`5.
`
`GT-C
`
`dd
`
`Go To Channel mung: instructing both radio unit: to
`aultuh to the apacified traffic channal Ear thair call.
`In this axampl-an thn GTE in repainted,
`for added tlllahllity.
`
`thu calla-d unit in in radio contact and than-fare
`In thin uxamplu,
`If the cnllud unit cannot
`I:-I contacted, thl TSC may
`rail:-ands to the LI-l".r.
`indicate the failuru tn the calling unit by Innding acknowledgement new.
`
`the 151:‘: chuck: only that the
`In both this and tha following example,
`called unit in in radio cnntnnt before allocating a trnific channil. The
`‘ISO may also check whether than tilled uln-.r in ready:
`if he in nut.
`the unit
`ranpondn with ac!-Incmladgamant hull: and take: action to alert him. Than.
`when thn user in ready to racaiuc the cnll,
`thy unit may sand I atatul
`massage H1991 to inform thn ‘rat.
`
`in
`The INLH-ICIJ maiaaga in those: eicanpl-an la used as -I "dummy" manage.
`alc:-tn carrying no signalling ralm-rant to the axample.
`In practicu. than
`alota may he unit] {or signalling Eur nnathnr call, or to: braadcaat
`manages which contain intamatian about system paruha-tars}.
`
`Page 1-11
`
`Petitioner Cox Communications - Exhibit 1005 Page 16
`
`Petitioner Cox Communications - Exhibit 1005 Page 16
`
`

`
`:
`
`die unit calls a unit with a Hi I rent
`
`r
`
`ix
`
`Figure 1-6 illustrates a message sequence en a tentrel channel te set
`up a tall between two radio unite with difierent prefixes.
`
`The sequence include: call request, availability check and channel
`aileeatien signalling {as in the previeue example}. Hewever. this sequence
`has an extra phase: after receiving the 395 message.
`the Tsc sends auto to
`invite the calling unit tn transmit
`the Iull tailed addreee. nine,
`separate GTE messages instruct the two units. because GTE eentaine only one
`prefix-
`
`15¢ to EU!
`
`1
`
`ALH
`
`{4}
`
`BLH AHTE
`
`ALE
`
`ID}
`
`1
`
`GTE
`
`I0:
`
`ETC
`
`Ill
`
`6
`
`frame
`
`I
`
`H
`
`frame
`
`I K
`
`E
`Irame
`
`General Aloha invitation {four-slot framei.
`
`Random access request for an Lnterpzeiix call.
`[The reqneet contains the calling unit's address
`tprefixfidentj. but the called ident 15 net to a
`special “gateway” ident to indicate that extended
`addressing preteduree are needed.:
`
`shert data invitatien meeeege
`-
`acknowledges the H05 meeeage
`H
`instructs the calling unit to eend the called addrese
`inhibits random access in the next 510:.
`
`—
`
`Single nddress Message from the calling radie unit.
`containing the address [prefixfldent] of the called unit.
`
`Availability check message demanding a response from
`the called radio unit.
`In thie example,
`the availability check it a
`single-codeword mennage l.e.
`the address of the
`calling unit is not euppiied.
`
`Acknowledgement
`
`from the called radia unit.
`
`Go To channel message instructing the called radio unit
`to euitch tn the speciiied traffic channel for the call‘
`
`no To flhannel meseage infltructinq the calling radio unit
`to snitch to the specified channel {or the call.
`
`Fi
`
`. 1-5
`
`1 Let refix ind uidu 1
`
`Petitioner Cox Communications - Exhibit 1005 Page 17
`
`

`
`
`
`Figure 1--'.|' illustrates a manage ieaquencu en a control channel for
`needing a short data message from eea radio unit to another radio unit.
`thin nzlmpla,
`the data mnaalge comprise: an address cudm-rnrd and the
`appended data codewords; {each at the data codewords contain! 46 bit! -DE
`Er!-E Emmet data}.
`
`in
`
`the TEC inatructfi
`the radio unit sends it: raqufllt:
`In the sequence,
`the ur1Lt
`to send the data message.
`forward: the data manage tn the called
`unit and then indicates the success of the tranlactiun tn the calling unit.
`
` rec to an:
`
`RUE to TEE
`
`2
`
`eqc
`
`-I
`
`A
`
`I-LEAD data
`
`‘x__:' \_e'
`
`frame frame
`
`K
`
`I
`
`\__.F \_:
`
`frame
`
`frame frame
`
`1.
`
`2.
`
`ALI-I
`
`: General Aloha invitation {anal-elut
`
`iramap.
`
`EIQC
`
`:
`
`Random access request to tranamLt a short data meesaqe.
`{The request 1ndLcatea the number of timeslate required
`far the date message:
`in this case.
`two elat:.}
`
`3. Mr':.'C :
`
`Short data invitation message
`-
`acknowledges the HQ: meneage
`- Lnatructa the calling unit to send the date
`message in the next
`two alone.
`
`1.
`
`HEAD + data
`
`5.
`
`HEAD + date
`
`:
`
`:
`
`The calling radio unit land: Lti short data
`message to the TSC.
`In this example the
`massage comprise: an addreee codeword [HEHDI
`and two appended data codewords.
`
`The T5: forwards the start date message to
`the called radio unit.
`
`6.
`
`7.
`
`ICE
`
`-. Acknowledgement
`
`from the called unit - meaeega accepted.
`
`JACK
`
`:
`
`tn Lndicate
`ilcknowledgamant sent to the calling un1.t
`that the called unit has accepted the data manage.
`In this example the 1'5-I’: Lune-tlJ.a.te15r repeats the
`AER message.
`for added reliability.
`
`FL ,
`
`-7
`
`cw
`
`eta manna. E
`
`Page 1-13
`
`Petitioner Cox Communications - Exhibit 1005 Page 18
`
`Petitioner Cox Communications - Exhibit 1005 Page 18
`
`

`
`
`
`15;: - Horde appearing within uterieku Hlthin these definitions are
`defined tirmi.
`tag Idefinad tern-:.
`
`figglvg an 3 ghgnngl: A I-radlca unit!’ ll ractlve on I channel‘ 1-fhllla an
`that channel,
`it is enabled to respond re ':nauaaqeI- addressed
`to it, or Le transmitting. or In in trtnrltiun batwlen thiil
`twe etaten.
`
`Egg; - a ‘radio unit‘ becomes active on an aallqned 't=lffiI‘:
`chenneli as eenn II it can receive an that channel. uhereae. an
`a ficnntzul
`|:ha|.1.ne].* it el1|.J.1 nut became active until it I'll!
`received I. eadeunrd eentainlng an app:-npriate fie;-It-an identity
`c:ode*.
`
`addreget A 20-bit number by which "a unit er group or units: is
`knm-m within a |=eyetem*.
`The udlilreatl tnmpriaee two "flI1dB'.=
`a 1-bit *-prefix’ and a 13-bit *lden't'.
`
` : A Si--hit. cudewurd, cenferminq to the requirerrbentfl of
`thin ‘ll'.l.I'Idl..Ed, where the first hit in eet to '1'.
`an "IddreeII
`codeword‘ is elwaye the first Ce-tleutlrd in any inveeangeh Mid
`define: the nature or the ‘manage’.
`
` : The entirety of transmitters and receivers operated by an
`'truni:i.ng eyttem controller‘ at any one aite.
`
`Cell: A cnmplete infdrtnntiun exchange between tut: or more *pertiee"
`which intludee one er mere *traneatt1'.ene- and may include
`dlrect uee:-to-ueer communication can a. *trtf£:i.I: channel‘.
`
`[tug ggnggmz The unit, or group of unite, which an -calling
`Called llgjt
`un.L'I'_* identifies an the desired reclplentte} or
`a. "ca].l"'. The
`‘called unit {or grt31.Ip}' retain. this designatlnn for the
`duratiun er a "I::e.11*' and this cenventmn is used in manna-gee‘
`relating to that particular *r:all*.
`irrespective nf the origin
`of lunch messaged-.
`
`a. -call‘.
` : in "radio unit! at ‘line unit‘ which request
`The *I'_*a1llrLg unit’ retelne this delignation for the thnratldn of
`a -eallr and this -t--nnventlnn in used in ‘message? relating to
`that particular 1-call‘
`irrespective of the nriglnu of i|.1l:'l"l
`*meeeagee*.
`
`in the
`the *prefiJ:e.I'
` : A infill‘ where the value: of
`1:a.].l.Lng and called uddreeseli are the same.
`'CI:Iru:mr:an prefix
`ce1l.a* nee the Fehert eddreelingl procedures.
`
`gnntral channel: A -Euruard channel‘ and ‘return channel‘ being need
`for the tranmleelen er °menaar;ee- cenrnrmlng to true: rtandard
`with the primary purpose of enabling the ‘trunking eyetelrl
`etInt.re11er- to central radio unlte.
`
`: H. E-I1-bit codeword. conforming to the requirements :1!
`fiat; godewor
`thin standard. where the tiret Ht 1.! net
`to ‘D’.
`‘Data
`r:udewar'd:e' are concatenated to an Iadd:-est
`I::t1deuI::rd" and
`eupple-rnent
`the information ln the *addmae'
`::a-dewurd'-
`
`Page 2-1
`
`Petitioner Cox Communications - Exhibit 1005 Page 19
`
`Petitioner Cox Communications - Exhibit 1005 Page 19
`
`

`
`Qgtaitemr The whole, or a part of. a +Tmeeeaqe'. I dataitem may not
`include more than 62 data codewords.
`
`: A transmitted codeword Ihill he considered *decodeable'
`Decodeah;
`if. after receipt. and after any error correction {if need} has
`been applied. a valid codeword from the code defined in
`section 3.2.3 oi this standard in formed.
`
`request that future
`Divereieg: A procedure whereby a ‘party’ may
`-ralla* to a particular called addresa be redirected to an
`alternative destination.
`
`figtggdgg aggreeeiug: n method which allows called 'party* details to
`be conveyed to the ‘trunking system controller’ when the 'call'
`details cannot be accommodated in a single ‘address codeword‘.
`Theee called—party details may he an *addreae' at addressing
`information in a different form teg PETH dialling digital.
`
`Fielg:
`
`fl number of contiguoue bite in a codeword which is specified in
`terms of the position within the codeword and the number oi
`bits.
`
`Eaggard Chggggl: A radio bearer where the direction of transmission L8
`form the ‘base station‘ to ‘radio unite’.
`
`rraggegt: A message which is either the whole of a 'dataitem' or those
`codewords of a 'dataitem' for which repetition nae been
`requested by the receiving station.
`
`in this standard,
`Eggg format Qatg: hate within a codeword which,
`constrained only by its position and length.
`
`is
`
`Gaggyagx n -special ldEnt' which 15 used to identify a ‘message!
`relating to a Ital]! er Icraneactinnl
`to or from a
`communications Service outeide oi the *eyetem-
`tag the PSTN}.
`For the purposes of this standard the interpreflx 'ldent-.
`IPFIxE, 13 also regarded as a 'qetewny*.
`
`Groufl nddren : An -addreee' which in common to more than one unit and
`which, when nominated as the called 'adflreee', nignlfiea a
`*qroup call‘. Unite may be assigned any practicable number of
`‘group addresses‘.
`
`Ggeug Cell: A