CN1249883A - Performing updates to multiple information service topics using single command - Google Patents

Performing updates to multiple information service topics using single command Download PDF

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Publication number
CN1249883A
CN1249883A CN98803159.0A CN98803159A CN1249883A CN 1249883 A CN1249883 A CN 1249883A CN 98803159 A CN98803159 A CN 98803159A CN 1249883 A CN1249883 A CN 1249883A
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message
sub
subaddressing
update command
exercise question
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CN98803159.0A
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CN1178529C (en
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罗伯特·内特翰·奈尔姆斯
汤姆·克莱恩
斯科特·克里斯多弗·史密斯
弗莱德里克·罗林·坎普
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Motorola Solutions Inc
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Motorola Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H04W8/245—Transfer of terminal data from a network towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1804—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for stock exchange and similar applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/022—Selective call receivers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A selective call device (130) has a receiver (204) for receiving a selective call signal including an address (312). An address correlator (214) coupled to a decoder (212) determines that the selective call signal is directed thereto and determines whether the selective call signal includes an update command (400, 500) embedded within a message portion (316) of a standard transport-layer communication protocol. The update command includes a topic number (407, 508) used as a sub-address indicative of a subscribed information service topic, uptade data for the subscribed information, and instructions for updating selected portions of at least one previously received information service topic stored in a message memory (226) as a sub-message. The update command includes an identifier (405, 505) of a format of the update data. A single update command can provide update data for more than one portion of more than one sub-message, or topic. More than one update command can be embedded within one message portion.

Description

Use an order to carry out renewal to a plurality of information service exercise questions
This application relates to common unsettled provisional application number 60/038,715, the applicant requires the applying date of this provisional application, this common unsettled provisional application No.60/038, the 715th, by the inventor identical with the inventor of this application in application application on March 7th, 1997, that be entitled as " using an order to carry out renewal " to a plurality of information service exercise questions.
The present invention relates generally to send the communication system of information service message, and more specifically, relate to a method of the expense that is used to reduce such message to the selective calling device.
A traditional selective calling device, for example, a selective call receiver, perhaps a transmitter and a selective call receiver often can receive message from multiple source.Typically, distinguish these sources by an address information relevant with each message.During or coupling relevant with a pre-specified address in this selective calling device, this selective calling device receives and preserves this message from a customizing messages source when this address information.
Modern selective calling ISP can periodically send the data of a plurality of types to a user selection calling device, comprise information service, for example, and news, stock market data, weather forecast, and sports reports.But, need to send the renewal that the information service data that sends is previously carried out usually.
Generally, an information service message is than people's message is longer one by one.But under many situations, information service message is the repetition of the information service message in front, and only a very little part is changed or new data relatively.Information service message comprises head and numerical data, and often is that numerical data just changes in each information service message.For example, when sending stock price information, compare the name of this stock, year the highest information and year rare variation of minimum information with the current transaction value of stock.As another example, in a part, sports reports and Weather information all comprise not frequent updated information, for example a team's name or a geodata.Correspondingly, another part of such information service message comprises the information that often is updated, for example the integration of team and atmospheric conditions.In these examples, although information, for example team's name or geographical name seldom change, and when no matter when upgrading any part of this message, typically just resend these message.So just wasted the throughput of wireless delivery time and system.
The method of several prior aries is by using the form of form to attempt to reduce transport overhead in the transmission of information service kind of message.For example, license to people such as Deluca, transfer assignee's of the present invention U.S. Patent number No.5 equally, 173,688 disclose to a beep-pager and have sent blank quilt communication subsequently or the form or the list of being filled by the user.Generally speaking, data are divided into comprising and are given guard mode respectively or are given the not header or the lastest imformation of guard mode.Specifically, a field is generally protected alphabet data for example stock name or team's name, and is given guard mode, and the more newer field of for example current transaction value or volume of business is given not guard mode.This effect with " guard mode " is such data that the data newly do not imported cover.On the other hand, field that does not have protected field to be covered by subsequently message.The format technology is used to define protected field and does not have protected field.Especially, field topic head or identifier are sent to these selective call receivers periodically.These topic heads or identifier form protected field and are kept in the memory of this selective call receiver semipermanently.The data of periodically-varied comprise that these that be sent out without identifier do not have protected field, and each field is only separated with next field by an enter key.After receiving a new information; this beep-pager is removed all does not have protected field; and with this newly more new data be inserted into these and do not have in the protected field, showing in the output of this selective call receiver does not then have protected or protected field.But not talkative only these the protected data of reader are sent out, and how much do not can say does not have protected data to be updated.When resending whole message and compare, this method can be improved throughput widely, but sends some redundant informations.
Another example that sends a blank form, is disclosed in 305 and 5,345,227 in U.S. Patent No. 5,241 by Fascenda.As disclosed, Fascenda has instructed when receiving the message of type of database, is used to preserve the use of the mask piece of 8 40 complete character masks.Typically, a mask is 0 in each place, upgrades but fill code word at the specific part of this database with a mask.In case this mask is sent out and is stored in the bitmap structure in these mask pieces, and non-0 part is filled with independent information (for example stock price), and a mask filling message that comprises a mask filling code word can be sent out and be filled into non-mask memory position.Especially, in order to fill or change the content of non-mask memory position, transmission comprises a mask filling order, one first code word of a mask ID and a database ID.Send then and comprise piece at the beginning, one second code word of (promptly from the begin block that begins to count of this database number) and jump bit, these jump bits are told this microprocessor what pieces that will jump after having filled each mask.Fascenda discloses another increases the method for database transfer rate, and this database comprises the consistent information of a circulation template that produces a database.An example is, in a stock database, and speech " opening quotation ", " closing quotation " and " height " periodically occurs.Under this situation, Fascenda uses a form code word to come to send this same information in several memory locations same information of regenerating several times and need not divide, and this form code word comprises a format command, database ID and begin block.
Although people such as Deluca and Fascenda all disclose the transmission database message, wherein the part of database is by the cycle method for updating, and the both has weak point.When using mask or form, the specific region of memory automatically becomes protected or cannot be updated.In addition, using a shortcoming of this mask method of Fascenda is the mask that only has number limited, so, need between the number of the mode that reduces transport overhead and any particular message of restriction renewal, trade off.
People such as Chan September 21 nineteen ninety-five application, sequence number is No.08/531,932, also transferred in the assignee's of the present invention U. S. application disclosed this and embed agreement and disclose several update command in the message part that is embedded in a standard page communication agreement.Whether people's such as Chan invention but under all operations environment, provides satisfactory performance under most of operating environments.For example, a plurality of short bias orders of this that Chan or the like provided and a plurality of long bias order allow to upgrade selecteed a plurality of fields in the sub-message of single information service that sends previously.But this that Chan or the like provided embeds agreement can not provide a single command to upgrade selecteed a plurality of field and the sub-message of selecteed a plurality of information service.
Like this, neededly be one and send effectively a plurality of fields of the sub-message of a plurality of information services or the method for updating of a plurality of exercise questions.
Fig. 1 is according to a preferred embodiment of the present invention, is used to provide an electric block diagram of a selective calling system of information service.
Fig. 2-the 5th illustrates the sequential chart according to the transformat of the employed signaling protocol of this selective calling system this preferred implementation of the present invention, among Fig. 1.
Fig. 6 is an electric block diagram of a selective calling device of this preferred implementation according to the present invention.
Fig. 7 is an exemplary plot of a sub-message groups being provided on the display of a selective calling device.
Fig. 8 is a flow graph that shows according to the generation of a message this preferred implementation of the present invention, that be used for upgrading the shown sub-message groups of Fig. 7.
Fig. 9 is an exemplary plot of a sub-message groups being provided on the display of a selective calling device.
Figure 10 is a flow graph that shows according to the generation of a message this preferred implementation of the present invention, that be used for upgrading the shown sub-message groups of Fig. 9.
Figure 11 is an exemplary plot of a sub-message groups being provided on the display of a selective calling device.
Figure 12 is a flow graph that shows according to the generation of a message this preferred implementation of the present invention, that be used for upgrading the shown sub-message groups of Figure 11.
Figure 13 is an exemplary plot of a sub-message groups being provided on the display of a selective calling device.
Figure 14 is a flow graph that shows according to the generation of a message this preferred implementation of the present invention, that be used for upgrading the shown sub-message groups of Figure 13.
Fig. 1 shows according to a preferred embodiment of the present invention, be used for producing and sending the paging system that (perhaps broadcasting) comprises a selective calling signal (perhaps signal of communication) of a plurality of information services, perhaps selective calling system 100 electric block diagram.Preferably, use software, for example use the function that realizes this selective calling system 100 by a MODAX500 selective calling terminal of the Motorola Inc.'s manufacturing that is positioned at Illinois Sa Mubao.Typically, a user sends a message by a phone 102, activates the transmission of a selective calling message.As everyone knows, this phone 102 is connected with this selective calling system 100 through a telephone network 104, and the person skilled in art knows the operation of this telephone network 104.Similarly, a computer/modulator-demodulator 106 also is connected to this telephone network 104, comes input information, for example letter or digital massage.This telephone network 104 is connected to a message receiver 108, and this message receiver 108 receives typically from message this general telephone network 104, that will be sent out (broadcasting) at least one to a plurality of selective calling devices 130.
According to this preferred implementation, a plurality of information service 140-146 are connected to this telephone network 104 that is connected to a processor 109 through this message receiver 108.Alternatively, these a plurality of information service 140-146 can be received through wireless frequency signal.With a frequent interval, the renewal that the supplier of information service sends the information service message that is sent out previously to this selective calling system 100.
When this processor 109 received renewal, this information was a message by the form coding with a selective calling signal (perhaps signal of communication).Especially, be connected to suitable agreement, the preferably FLEX that this processor 109 decisions of this message receiver 108 are encoded to this information service TMAgreement and an address.If this processor 109 judges that this message will send with another signal format, this message just is passed in another agreement generator 116.When this processor has been judged these information service messages and need have been sent with this FLEX agreement, these message just are encoded then and are stored in the frame queue buffering area 110, and this frame queue buffering area 110 has the formation (frame 0-N formation) of respective frame in this signal.Preferably, the number of frame N is 128.Determined with this pre-regulation frame identification (ID) of corresponding this selective calling device 130 of this message, and this message is stored in this corresponding frame queue.The frame ID sequence that capacity analysis device and 112 decisions of frame ID/ circulation generator will be sent out, and the capacity of analyzing each frame decides this cycle values that will use.This capacity analysis device and frame ID/ circulation generator 112 also respond to other agreement that is being sent out.For example, if the generation of a frame of expection will be substituted (thus, having reduced the capacity of this frame) by the transmission of an agreement in other agreement, this capacity analysis device and frame ID/ circulation generator 112 can enough cycle values that determines be explained it.Bit and frame synchronization generator 118 synchronously produce bit and frame synchronizing signal.This address and this frame queue to selective calling device 130 respond, and a message formatter 114 determines to comprise a frame of this message.Then, these message are formatted, to send.The signal that transmitter 120 receives from message formatter 114, from the signal of other agreement generator 116 with from the signal of bit and frame synchronization generator 118, and think the known mode of person skilled in art, send wireless frequency selective calling signal to selective calling device 130 through antenna 122.
Fig. 2 has shown a standard agreement form that is encoded as 128 message bags or frame 200, FLEX agreement.The preferably 1.875 seconds duration of each in the frame 200, and its preferred master data speed is per second 6400 bits.
With reference to figure 3, each frame composed as follows a: pit synchronization signal 302, preferably 32 0, the 1 bit template that replaces, its back is a frame synchronization #1 signal 304, and this frame synchronizing signal is 32 bit words and its 32 bit radix-minus-one complement and a frame information word signal 306 of a pre-regulation preferably, this frame information word signal 306 preferably has the information of comprising, for example one 32 bit words of 21 variable information bits of a loop No. and a frame number.This pit synchronization signal 302 provides bit synchronous to this selective calling device 130, and this frame synchronization #1 signal 304 provides frame synchronization and comprise a signal of the Data Date of representing this information.
The back of this frame information word signal 306 is frame synchronization #2 signals 308.The back of this frame synchronization #2 signal 308 is to comprise information, the number of priority address for example, and the end of block message field and vector begin a block message word signal 310 of field.The code word of each frame 200 preferably be encoded as produced according to this well-known BCH algorithm, have 31 of 21 information bits and 10 Parity Check Bits, 21Bose-chaudhuri-Hocquenghem (BCH) code word.An additional even parity check expands to one 32,21 code word than this code word of special envoy.The address is arranged in piece 312, and the vector of refer message is arranged in piece 314, and these message are positioned at rest block, for example in the piece 316.Generally, all address signals in this frame are positioned at a first of this frame, and perhaps in the address part, for example in the piece 312, all message signales are arranged in part subsequently of this frame, perhaps in the message part, for example in the piece 316.The person skilled in art knows address in the first of how to locate in this frame and the message in the second portion.Word 310,312,314 shows with a vertical direction with 316, improves anti-interference to the transmitting burst mistake to represent that these code words can be intersected.All binary systems in unidirectional selective calling system, with selecteed letter, outside message, with all binary systems in the two-way choice calling system, with selecteed letter, the forward pass channel massage includes a protocol definition head, perhaps state information field, and the back is a data field.The U.S. Patent No. 5 that Willard or the like applied for, on September 10th, 1996 was authorized to, 555,183, be entitled as " method and apparatus that is synchronized to a synchronous selective calling signal " and explained this FLEX agreement fully, this patent also is transferred to assignee of the present invention, so here, this patent is used as reference fully.
As everyone knows, in the prior art, selective calling device of pre-programmed is come in one or more transport layer communication protocol address that is used to receive message.For example, this selective calling device 130 of pre-programmed is come in additional, unique FLEX address with the FLEX address that is used to receive personal messages and a plurality of each information service that is used for receiving the ordered a plurality of information service 140-146 of a selective calling device.As everyone knows, though received by the FLEX address, do not say fully equally with the form of any one corresponding each message among this information service 140-146, also be similar.User's reception sources message of an information service 140-146 receives the renewal to this source message then.Typically, only there is a part of informational needs seldom to change in time in each source message; So only seldom a part of informational needs is updated, and promptly is sent out as a updating message.For example, a people one by one who has subscribed to 144 services of finance/stock market information has stipulated in advance that usually this people wishes to receive the stock of price.Each stock relevant with 144 services of this finance/stock market information by preassignment a subaddressing, perhaps exercise question number.This subaddressing, perhaps exercise question is number different with this FLEX address.Typically, a sub-message relevant with each stock comprises several category informations with field independently, be presented on this display, for example: a stock symbol, present price, price changes the direction of indication and price change, if possible, the turnover of this day and/or this year, ceiling price and lowest price, a dividend date is represented or the like.Such fact that each field in each finance/stock market information 144 service message is arranged in a substantially similar position means by a update command, the positional information of each field that sends the exercise question number of this stock that need be updated compactly and need be updated, come to upgrade in a updating message present price and the turnover of a plurality of stocks, the description fully of this processing is seen below.The out of Memory service message, for example sports reports and weather forecast has different FLEX addresses, and upgraded with a similar method.Generally, every group of exercise question of sharing a similar formatter message number has a FLEX address.
With reference to figure 4, this preferred implementation according to the present invention has been described in these message, message 316 in more detail.The renewal of these information services 140-146 is encoded in these message one, and for example message 316, to send to these selective calling devices 130.To selective calling device 130 the multiple communication means and the level of communicating by letter are arranged from a selective calling system 100, and which application layer is a process need identify, and perhaps the agreement of Qian Ruing is made by an information service 140-146 and is used for the information content that this transmission comprised of encoding.State information field 402 signs are different with a common selective calling message, and one embeds protocol message 401, preferably a FLEXsuite TMEmbedding protocol message is sent out.Term " embedding agreement " means an application layer communication protocol that is carried by a transport layer communication protocol.FLEXsuite comprises a several selective calling system 100 transmission application, i.e. embedding agreements of computer program and the employed data of this application that are used for through using this FLEX agreement.When the finite capacity of a transmitting channel, use embedding agreement based on a wireless frequency, in the FLEXsuite agreement for example, and not use characteristic abundanter, be favourable based on one in wired existing protocol.These state information field 402 definition have been used from which method of this selective calling system 100 to several possibility methods of a selective calling device transmission information.This state information field is defined by the one 8 a bit application layer message in the FLEXsuite embedding protocol message 401.Should be appreciated that a message 316 can comprise one or more FLEXsuite and embed protocol message 401, perhaps sub-message, under such situation, each in one or more embedding protocol message has an independently state information field 402.Should be appreciated that a message 316 may comprise one or more FLEXsuite and embed protocol message 401 and one or more common selective calling message.The purpose of this state information field 402 is the needed information of this software that this selective calling device 130 is provided to this controller 210, correctly handles this information content that is right after in this related news field of this state information field back.
This state information field 402 comprises an application layer protocol sign, preferably by 2 16 system numerals.Preferably, this application layer protocol is FLEXinfo TMAnd this application layer protocol sign of FLEXinfo is " 80 " preferably.There is not this application identities to represent that this message is a common selective calling message.Alternatively, to identify this message be a common selective calling message to a different application identities.As can be seen from Figure 4, this state information field is the first of this message 316.
Alternatively, a global state information field (not showing, still similar with this state information field 402 basically) can be positioned at the front of this state information field 402.A global state information field comprises byte that forms a global identity and the byte that identifies the size of this global load.The example of global state information field is compression and upsets, promptly encrypts.This global identity is the numeral of two 16 systems preferably.The global identity of this encryption is " F0 " preferably.Lockhart is preferably used in the execution of the encryption of FLEXsuite, Jr or the like invention, on February 1st, 1994 U.S. Patent No. 5 that authorize, that be entitled as " beep-page message encryption ", 283, disclosed technology in 832, this patent also is transferred to assignee of the present invention, and this patent is used for referencial use here fully thus.By sending continuous global state information field, a plurality of global agreements can be joined together in a transmission.Being included in this global state information field is the expression of this FLEXsuite message size of expression, perhaps the length (in byte) of this FLEXsuite load.The expression of this message size allows a plurality of FLEXsuite message a FLEX message, for example is sent out in the message 316.In the illustrated example of Fig. 4, the size of this FLEXsuite message comprises the byte among the piece 403-427, and in this example, the byte representation among the piece 403-427 is a FLEXsuite message only, i.e. a FLEXinfo order.
A selective calling device 130 preferably by using a FLEXinfo source information order, receives a source information service message with traditional method.The form of an information service message Nelms or the like invented, sequence number is No.08/807,933, explained more completely in the U.S. Patent application " form of selective calling message " of application on February 28th, 1997, this application also is transferred to assignee of the present invention, so this patent is used for referencial use fully here.Having subscribed to the battery of a selective calling device 130 of an information service saves, being described in that Nelms or the like invents, sequence number with of relative FLEXinfo order is No.08/806,972, explained more completely in the U.S. Patent application of application on February 26th, 1997 " selective calling device and the method for during information service, saving battery ", this patent also is transferred to the assignee of the present invention, so this patent is used for referencial use fully here.
In the back of this FLEXsuite state information field 402, each FLEXinfo order all has a unique command id 403.This command id 403 is an extendible signless integer preferably.By using two classes to allow to upgrade effectively with minimum expense the chosen part of a source message, perhaps in the update command of field finishes the renewal of the information service message that the front is received.According to the present invention, in these update command one, a continuous exercise question scope update command 400 is sent out in the back that this FLEXsuite embeds this FLEXsuite state information field 402 in protocol message 401.This continuous exercise question scope update command 400 comprises the piece 403-427 of Fig. 4.Preferably, the exercise question of each information service is defined as unique number, realizes relevant between this exercise question and the subaddressing.To each sub-message, a corresponding subaddressing is arranged all.In this continuous exercise question scope update command 400, a successive range of exercise question method has stipulated to be included in the scope of the information exercise question in this updating message, for example as first exercise question of clearly being stipulated and be described to and this first exercise question between the last exercise question of an implicit appointment of skew.A content-length 404 has been stipulated the size of this continuous exercise question scope update command, that is, its regulation is 427 byte number from piece 405 to piece, comprises piece 405 and piece 427.The next field of this continuous exercise question scope update command 400 is data translation signs 405.This data translation sign is 4 bit long preferably.These data translation sign 405 signs have been used which data translation algorithm, for example ASCII, the perhaps related data in Shuo Zi this continuous exercise question scope update command of encoding.Although when to a source of a selective calling device 130 transmissions message, ASCII is preferred data translation algorithm, numerical data translation algorithm of preferred use, for example the numeral or the financial numeral of standard send renewal.Preferably, this method according to the present invention allows to upgrade effectively sub-message, because can adopt any 4 general digital bits, 8 bits, the 16 system forms of the data that 7 bits and 8 bit letters and generation are the compactest send renewal.By using this data translation sign 405, this selective calling device 130 can correctly be stored in a memory cell with this message conversion for this message, for example the form in the message memory 226.Preferably there is size back in this data translation sign 405, perhaps length be 4 bits, be a following piece 406 of reserving.
This controller 210 in this selective calling device 130 is derived the scope of this information exercise question from the number of a basic exercise question 407 and additional exercise question 408, this basic exercise question 407 specifies this that will be sent out to begin the subaddressing, and the number of additional exercise question 408 is defined in the number N of the additional exercise question behind this basic exercise question 407 that this order is suitable for.For example, number be 98 if this begins exercise question, this 16 hex value " 62 " appears in the field of basic exercise question 407 then.For example, if the total number of information service exercise question is 7, this 16 system numeral " 06 " appears in the number field of additional exercise question 408 then.Do not resemble the known method of the subaddressing of using a predetermined length, the number of this basic exercise question 407 and additional exercise question 408 does not preferably have symbol and can expand integer.Represent that at a byte expansion sign can expanding the extreme higher position of integer field whether this can expand integer more than a byte.Each exercise question has a relative unique integer.By specifying this exercise question subaddressing in a continuous mode, for example, perhaps with unique integer of ascending order or descending, this begins the exercise question subaddressing and this end exercise question subaddressing identifies this possible information service renewal that is included in the given transmission.When this exercise question subaddressing scope does not comprise any one exercise question subaddressing of these information services that this selective calling device 130 is ordered, this selective calling device can jump to Next Command (if another order is arranged) or close immediately, promptly carries out battery and saves state.This continuous exercise question scope update command also comprises the number of added field 409 parameters of the number M of the added field that definition need upgrade.This number of added field parameter is the extendible integer of no symbol preferably.For example, if in this first field, do not have additional field to need to upgrade, this value " 00 " is sent in the piece 409 then.This continuous exercise question scope update command also includes fields offset 410 arrays of M+1 parameter.This fields offset 410 is that a no symbol can be expanded integer array, and to the skew of each Field Definition in the exercise question to first character of this field.This first fields offset, fields offset (0) is defined by apart from the number of characters of this first character of this message.Specify under the situation of 16 system forms in this data translation sign 405, this first fields offset is defined by apart from the byte number of this first character of this message then.This second fields offset, fields offset (1) and all subsequently be displaced to fields offset (M), be defined by the previous number of characters that is updated this character of field back of in this message this (perhaps byte number, for 16 systems).This continuous exercise question scope update command 400 also comprises field length 411 arrays that a M+1 no symbol can be expanded integer, a field length of each field that its definition will be updated, and this length is calculated with number of characters.And then this continuous exercise question scope update command 400 also comprises a serial data array in this array back of this field length 411, [data (0,0), data (0,1), data (0,2) ... data (0, M), filling bit, data (1,0), data (1,1), data (1,2) ... data (1, M), filling bit ... data (N, 0), data (N, 1), data (N, 2) ... data (N, M), filling bit].This first inlet of this serial data array, data (0,0) are represented this basic exercise question, i.e. this first field of exercise question (0), i.e. this information that is updated of fields offset (0).This second inlet of this serial data array, data (0,1) are represented this basic exercise question, i.e. this second field of exercise question (0), i.e. this information that is updated of fields offset (1).In the given in the above example, this basic exercise question is an exercise question numbers 98.This entry data (1,0) is illustrated in the next exercise question in this continuous exercise question scope that will be upgraded by this continuous exercise question scope update command 400, i.e. this first field of exercise question (1), i.e. this information that is updated of fields offset (0).In the given in the above example, this next exercise question is an exercise question numbers 99.Last part of this continuous exercise question scope update command 400 is one can expand reservation extended area 427.
With reference now to Fig. 5,, according to the present invention, other order in these update command, the back of this FLEXsuite state information field 502 of subitem exercise question list update order 500 in this FLEXsuite message 501 is sent out.This subitem exercise question list update order 500 comprises the piece 503-527 of Fig. 5.Should be appreciated that, a computer (not showing) that is preferably placed at each supplier place of these information services 140-146 is programmed to and uses this continuous exercise question scope update command 400 and this subitem exercise question list update order 500 to construct updating message, and is programmed to the order of using the short message of any generation, comes to send to this selective calling system through this telephone network and upgrade.In this subitem exercise question list update order 500, this information exercise question that is included in this updating message is specified in a tabulation.Content-length 504 is stipulated the size of this subitem exercise question list update order 500, i.e. 527 the byte number from piece 505 to piece that included of its regulation.The next field of this subitem exercise question list update order 500 is data translation signs 505.This data translation sign is 4 bits preferably.This data translation sign 505 signs are used several data translation algorithms, for example in ASCII or the numeral which this related data in this subitem exercise question list update order 500 of encoding.When to a source of a selective calling device 130 transmissions message, although ASCII is the preference data translation algorithm, numerical data translation algorithm of preferred use, for example standard digital or financial numeral send renewal.Are one 4 bit byte size in the back of this data translation sign 505, are a following piece 506 of reserving.Be generally each preselected FLEX address of group exercise question number (subaddressing) of the sub-message of sharing a similar form; So, advantageously only use a update command according to this method of the present invention, this continuous exercise question scope update command 400 or this subitem exercise question list update order 500 (whichsoever being the shortest) for example, be used for sending effectively renewal to a plurality of fields of a plurality of sub-message, that is, to the renewal of a plurality of fields of a plurality of information service exercise questions.Such update command is this selective calling system 100 this message part in the transport layer communications protocol format of a standard, and one that for example sends in the piece 316 of Fig. 3 embeds agreement, the perhaps part in the application layer protocol.The data of a plurality of sub-message like this comprise the data in the composite block 512,517 and 522 of data in the composite block 412,417 and 422 among Fig. 4 and Fig. 5.These subaddressings relevant with each sub-message be in the piece 508 that appears in the piece 407 and 408 of Fig. 4 with Fig. 5 exercise question number.In one group of exercise question number is shared these examples more than the formatting messages of 1 type, this method according to the present invention is used two update command of this computer construction at a place in these information services 140-146, one of them update command is used for each class formatting messages, and sends these two update command in the FLEXsuite load of this selective calling system 100 in a message part of the transport layer communications protocol format of a standard.
Advantageously, the length of all exercise questions in any one subitem exercise question list update order 500 number is identical, to eliminate wrong transmission.But, unlike the prior art be, this length can according to different orders and dynamically be changed (adding 0 or go 0 in highest order, not change the value of an exercise question number) by this computer of an office of information service in these information services 140-146.This byte expansion sign that this controller 210 in this selective calling device 130 uses this byte expansion sign of this first exercise questions number and this second exercise question number determines this length from this first exercise question of this exercise question numbers 508.This controller 210 in this selective calling device 130 is from the number of additional exercise question 507, from being the tabulation of an exercise question numbers 508 of an array, [exercise question (0), exercise question (1), exercise question (2) ..., exercise question (N)] in derive this information exercise question.The number of additional exercise question 507 defines the number that this orders the additional exercise question of applied exercise question (0) back.For example, if the total number of the exercise question that will be updated in the current command is 3, the number of additional exercise question is that 2,16 system numerals " 02 " just appear in this field of number of additional exercise question 507 then.For example, if the beginning exercise question that will be updated in the current command number is " 98,102 and 103 ", 16 system numerals " 62 66 67 " appear in the field of exercise question numbers 508 then.The number and the exercise question number 508 preferably extendible signless integers of additional exercise question 507.When this exercise question subaddressing scope does not comprise any one exercise question subaddressing in these ordered information services of this selective calling device 130, this selective calling device can jump to Next Command (if another order is arranged) or close immediately, promptly enters battery and saves state.This subitem exercise question list update order 500 also comprises the number of added field 509 parameters, and its definition needs the number M of the added field of renewal.This subitem exercise question list update order 500 also comprises fields offset 510 arrays of a M+1 parameter.This fields offset 510 is extendible signless integer arrays, and it is that each Field Definition in the exercise question is apart from the skew of first character of this field.This first fields offset, fields offset (0) is defined as apart from the number of characters of this first character of this message.Specify under the situation of 16 system forms in this data translation sign 505, then, this first fields offset is defined as apart from the byte number of this first character of this message.This second fields offset, fields offset (1) and all subsequently be displaced to the number of characters that fields offset (M) is defined as this character of the previous field back that is updated in this message (perhaps byte number, for 16 systems).This subitem exercise question list update order 500 also comprises M+1 field length 511 arrays can expanding signless integer, and it defines a field length of each field that need be updated, and field length is calculated with the number of character.And then this subitem exercise question list update order 500 also comprises a serial data array in this array back of this field length 511, [data (0,0), data (0,1), data (0,2) ... data (0, M), filling bit, data (1,0), data (1,1), data (1,2) ... data (1, M), filling bit ... data (N, 0), data (N, 1), data (N, 2) ... data (N, M), filling bit].This first inlet of this serial data array, data (0,0) are represented this basic exercise question, i.e. this first field of exercise question (0), i.e. this information that is updated of fields offset (0).This second inlet of this serial data array, data (0,1) are represented this basic exercise question, i.e. this second field of exercise question (0), i.e. this information that is updated of fields offset (1).In the given in the above example, this basic exercise question is an exercise question numbers 98.This last part of this subitem exercise question list update order 500 is an extendible reservation extended area 527.
Fig. 6 has shown according to the present invention an electric block diagram of a selective calling device of this preferred implementation.This selective calling device 130 is powered by a battery 234, and is used for receiving and send wireless frequency signal through an antenna 202.A receiver 204 is connected to this antenna 202 and receives this wireless frequency signal.Demodulator 206 is connected to this receiver 204 and uses traditional technology to recover any information signal in this wireless frequency signal.Be resumed information signal from this of this demodulator 206 outputs and be sent to a controller 210, this controller 210 uses and is the known method of person skilled in art this information that is resumed of decoding.
In this preferred implementation, this controller 210 comprises a microcomputer, a Model MC68HC11PH8 microprocessor of making by Motorola Inc. for example, and comprise a signal processor carrying out a decoder function, this decoder is realized by hardware and software usually.This signal processor comprises an address correlator 214 and a decoder 212, and uses the known method as the person skilled in art.214 checks of this address correlator are resumed address information in the information signal from this of the output of this demodulator 206, and an address that is resumed and a pre-specified address in a plurality of pre-specified address that is stored in the non-volatility memorizer 220 are carried out related operation.After this address correlator 214 judges that this received signal is to point to this selective calling device 130, for example, by related operation is carried out in this address in this received signal and a pre-specified address in a plurality of pre-specified address in this non-volatility memorizer 220, this application identities in these decoder 212 these signals of decoding judges whether this message comprises information service data.Not having this application layer protocol sign expression in this state information field 402 and 502 (Fig. 4 and Fig. 5) is being a common selective calling message in this decoded message just.On the contrary, when this application layer protocol identifies now, and use when it and an information service, when for example FLEXinfo was correlated with, this message was an information service message.This transport layer communication protocol address of this information service preferably is stored in this non-volatility memorizer 220, and this application layer protocol sign, this command id 403 and this exercise question number (perhaps subaddressing) preferably are stored in the memory 222.
When this user of this selective calling device 130 has subscribed at least one information service, with these information service addresses and relevant exercise question number (perhaps subaddressing) this memory 222 of programming.Each information service has a unique address and a plurality of unique exercise question number, allows this selective calling device 130 to judge when this subscribed information service 140-146 appears in the specific transmission.Exercise question number can be the form of a weak point of an information service address, but preferably, and exercise question number is to be different from a message address fully, and can distinguish this information service exercise question in the present specific transmission.
State information is stored in the memory 222, and represents that this selective calling device 130 is programmed to this information service that is received.After the appearance of an application layer protocol sign in this state information field 402 of this decoder decode, this command id 403 of this decoder decode, these command id 403 expressions for example, have received a continuous exercise question scope update command 400.Below, this basic exercise question 407 of this decoder decode, the i.e. number of first subaddressing and additional exercise question 408, perhaps these data in subaddressing and composite block 412,417 and 422.This decoder this content-length 404 of further decoding is judged the end of this order.If when number not being positioned at the scope of this basic exercise question 407 and this exercise question end address with corresponding this exercise question of these information services of being subscribed to by this selective calling device, this decoder decode Next Command (if another order is arranged), otherwise user interface 216 of these decoder 212 gatings impels this battery to save device 218 and supports circuit structure 224 that powered-down or power supply are removed from this receiver 204 through one.
On the other hand, when this subitem exercise question list update order 500 of decoding, the number of the additional exercise question 507 of decoding, back decoding subitem exercise question numbers 508, perhaps subaddressing.Alternatively, represent that with one group the digital difference of this exercise question before each additional exercise question number and this additional exercise question number number substitutes the number of this additional exercise question number 508 parameter group.Under such situation, these differences of decoding, and be stored in software in the non-volatility memorizer 220 and determine its exercise question numbers 508.When the difference between these exercise questions number littler than these exercise questions on average because exercise question information is the part that be retained as minimum expense, so this alternative method is favourable.If this selective calling device do not have in the ordered information service in decoding and its corresponding address of an information service (perhaps with its ordered exercise question number in an an exercise question number corresponding exercise question number), this decoder decode Next Command (if another order is arranged) otherwise, this battery is saved the power supply that device 218 is just removed this receiver 204.
On the contrary, when finding the exercise question of a subscription in the subitem tabulation at this exercise question numbers 508, these further these orders of decoding of controller 210 comprise this information data in composite block 512,517 and 522.This controller 210 recovers to be sent to these exercise questions number of this selected information service of this selective calling device 130, and when it and these exercise questions in being stored in memory 222 are number relevant, this decoder 212 these message of decoding and this decoded messages is kept in the message memory 226.
Use such method, confirm that at this selective calling device 130 this received information is when pointing to it, this selective calling device 130 further this received information of decoding decides this received information whether to comprise the information service data of this selective calling device 130 of any sensing.As everyone knows, the supplier of information service 140-146 sends these with these suppliers that upgrade a packing and a selective calling system 100 and upgrades, and any selective calling device 130 that is authorized to receive these information services 140-146 will receive these renewals.
Receiving, the decoding and be kept at this selected information service in this message memory 226 after, the message that this selective calling device 130 typically provides at least a portion to be saved to a user is for example by a display 228, for example a LCD.In addition, with reception, decode and what preserve that this information carries out together is that a prompting is provided for this user through an outputting alarm device 232.This supports that circuit structure 224 preferably includes a traditional signal multiplexing integrated circuit, voltage rectifier and controlling mechanism, current rectifier and controlling mechanism, audio power amplifying circuit structure, control interface circuit structure and demonstration illuminating circuit structure.These parts are aligned to these functions of supporting this selective calling device 130 that the user asked.
In addition, this controller 210 from this memory 222 enable or not enabled state information judge after detecting an address information, whether to save power.That is, when received and an address that is resumed are relevant with a presumptive address in the non-volatility memorizer 220, these controller 210 checks with this by relevant presumptive address information this state information accordingly, determine whether enabling this address.If these controller 210 decisions do not enable this by relevant presumptive address, just do not activate this decoder 212 then.Input control 230 is connected to this memory 222 and this user interface 216, and this user interface 216 is used to receive user's input, includes, but are not limited to programming, operating data and send order to this selective calling device 130.A selective calling device alternatively can comprise the transmitter 208 that the sub-message of information service is responded.
Except when when not receiving this transport layer communication protocol address of this selective calling device 130, beyond battery is saved and is used, judge this information service that sends on it or upgrade when not comprising the ordered specific exercise question of this selective calling device 130 that when this selective calling device 130 this selective calling device 130 enters battery and saves the use pattern.Use such method, these information services these information service addresses and exercise question number (subaddressing) sign that is sent out with these information service messages makes this selective calling device 130 judge when a transmission comprises these exercise questions that this selective calling device 130 is ordered.Because a large amount of available information service exercise questions is arranged, so if this selective calling device 130 need send for a subscribed information service 140-146 searches all, will depleted soon the useful life of this battery.So by checking this information service address and this exercise question number, this selective calling device 130 can be saved battery.
Fig. 7-12 shows the example according to these methods of of the present invention, lastest imformation service message.With reference now to Fig. 7,, a sub-message 700 with exercise question number " 01 " is shown as on the display that is provided at a selective calling device 130 with the sub-message 701 with exercise question number " 02 ".The form of two sub-message is similar.In this a little message each comes from a finance/stock market information service 144, and comprises the demonstration stock symbol, a present price, the variation of a price and represent this price change direction an expression field.The source message that this a little message 700 and 701 is to use traditional method to send is preferably used this FLEXinfo source information order.Alternatively, sub-message 700 and 701 is the renewals to previous (not having to show) source message.Should be appreciated that, according to nothing can be got rid of and does not use to embed the source message that agreement or sub-message or exercise question number send in this method of the present invention.Sub-message 702 and 703 is respectively by using sub-message 700 that a continuous exercise question scope update command 400 upgrades and 701 part as a result.This part that is updated is the variation of this present price and this price.Fig. 8 has shown and has illustrated to adopt and construct continuous exercise question scope update command 400, translate a flow graph 800 of the step of the data that are updated that produce sub-message to send needs use numerical data.In step 801, these fields that will be updated number of field, the length degree of the position of each field and each field defines.In sub-message 700, last 3 numerals of this present price are updated.Last 3 numerals of this present price are to be changed to 9 place from the leftmost bit apart from this display, i.e. a field beginning of the position of skew (0)=9, and the size of this field is 3 characters, i.e. length (0)=3.In addition, in sub-message 700, last 2 numerals of this price change are updated.Last 2 numerals of this price change are to be 4 position from a position apart from previous field back, i.e. a field beginning of the position of skew (1)=4, and the size of this field is 2 characters, that is, and and length (1)=2.In two sub-message 700 and 701, identical field is updated.Be sent out in the piece 410 of this fields offset (0,1)=" 09 04 " in this continuous exercise question scope update command.Be sent out in the piece 411 of this length offset (0,1)=" 03 02 " in this continuous exercise question scope update command.In step 802, the piece 403-411 in this continuous exercise question scope update command 400 is a composite block, as shown in scheming.In step 803, by using filling bit,, these data are converted to bag 16 system data so that the data of each exercise question all end at an even byte boundary, just made up composite block 412,417 and 422.Only after inserting any needed filling bit, step 804 could be calculated this content-length 404.In step 805,, just repeat above-mentioned steps in this identical embedding protocol message 401 if the additional command that needs transmission is arranged.In this example, without any additional order.In step 806, this FLEXsuite state information field 402 is added to the beginning of this order, and this order is sent out.In previous example, need to use the expense of 10 bytes to upgrade two exercise questions.So easily, on average, each exercise question only needs the expense of 5 bytes.Concerning each subaddressing, existing method will use the bigger byte of number to send these identical renewals (" subaddressing " is employed term in the prior art, and is similar to employed term " exercise question " in this description of the present invention most).
Fig. 9 has shown the sub-message groups 900-913 with exercise question number " 98-104 ", as shown in the display of selective calling device.The sub-message 900-906 in source is displayed on this display of this selective calling device 130.After continuous exercise question scope update command 400 used the alphabet data translation to upgrade by one, sub-message 907-913 was shown on this display.The step of flow graph 1000 according to the present invention, generation cause this structure of this order of these renewals of this a little message 907-913 is displayed among Figure 10.In previous example, two fields in 7 exercise questions are updated.Easily, only used the expense of 10 bytes.So in these shown examples of Fig. 9 and Figure 10, on average, each exercise question only has the expense of rough 1.44 bytes.In the prior art, each subaddressing will use the bigger byte of number to send this identical renewal.
Figure 11 has shown the sub-message groups 1100-1105 with exercise question number " 98,102,103 ", as shown in the display of a selective calling device.The sub-message 1100-1102 in source is displayed on this display of this selective calling device 130.After being updated, sub-message 1103-1105 is shown on this display.Figure 12 shows according to this preferred implementation of the present invention, produce a flow graph 1200 of subitem exercise question list update order 500, the numerical data translation is used in this subitem exercise question list update order 500, and comprises more new data and the instruction that is used to upgrade the shown exercise question 1100-1102 group of Figure 11.
Figure 13 has shown the sub-message groups 1300-1303 with exercise question number " 10,17 ", as shown in the display of a selective calling device.Each sub-message comes from 141 services of a sport information, and comprises and be used for showing team's name, in season, competes the remaining time field of a text description of a score and a game event.The sub-message 1300-1301 in source is displayed on this display of this selective calling device 130.After being updated, after two update command were used as the transmission of a FLEXsuite embedding protocol message, sub-message 1302-1303 was shown on this display.This first update command is a continuous exercise question scope update command 400, and this second update command is subitem exercise question list update order 500.Figure 14 shows according to this preferred implementation of the present invention, produces a flow graph 1400 that is used to upgrade a FLEXsuite embedding protocol message of the shown exercise question 1300-1301 group of Figure 13.
Easily, according to this method of the present invention not needs any selective calling system that has existed is changed, perhaps the existing transport layer paging protocol in any front is carried out any change.
Though provided a detailed description to this preferred implementation of the present invention, should be appreciated that, can carry out many variations, and can not depart from the scope that appended claim book of the present invention is proposed.For example, this present invention is not limited to and uses this FLEX transport layer radio call agreement, and can use other paging protocol.In addition, the present invention is not limited to and uses a radio selective call agreement, and can use any wireless protocols.Further, the present invention is not limited to the use wireless protocols, and can use wire protocol.

Claims (20)

1. in a selective calling device that comprises a processor that is connected to a memory member, this selective calling device is configured to receive a signal that sends with a standard transport layer communications protocol format, this signal comprises an address part and a message part, a message part comprises at least one sub-message, upgrades a method that is stored in this a little message in this memory and comprises step:
(a) receive a signal that comprises a sub-message, and this sub-message is kept in this memory member;
(b) in the back of step (a), in this message part, receive a update command with described standard transport layer communications protocol format, this update command comprises at least one subaddressing and at least one sub-message, and each subaddressing is corresponding with a sub-message; With
(c) to each subaddressing in this at least one subaddressing that is received in the step (b), judge from this subaddressing whether this selective calling device is allowed to receive a corresponding sub-message this update command, and use one according to this subaddressing, the mode of this sub-message and this update command is upgraded this memory member.
2. this method as claimed in claim 1, wherein this standard transport layer communications protocol format is a wireless protocols.
3. this method as claimed in claim 2, wherein this standard transport layer communications protocol format is a radio selective call agreement.
4. this method as claimed in claim 3, wherein this sub-message in this update command that is received in the step (b) also comprises the more new data of a part that is used for the sub-message that step of updating (a) received.
5. this method as claimed in claim 4, wherein this update command comprises and is used to distinguish this more data translation sign of a form of new data.
6. in a selective calling device that comprises a processor that is connected to a memory member, this selective calling device is configured to receive a signal that sends with a standard transport layer communications protocol format, this signal comprises an address part and a message part, a message part comprises at least one sub-message, upgrades a method that is stored in this a little message in this memory and comprises step:
(a) receive a signal that comprises a plurality of sub-message, and this a little message is kept in this memory member, each subaddressing is corresponding with a sub-message;
(b) in the back of step (a), in this message part, receive a update command with described standard transport layer communications protocol format, this update command comprises more new data and a plurality of subaddressing and a plurality of sub-message, and each subaddressing is corresponding with a corresponding sub-message; With
(c) to each subaddressing in these a plurality of subaddressings that received in the step (b), judge from this subaddressing whether this selective calling device is allowed to receive this corresponding sub-message this update command, and use one according to this subaddressing, the mode of this sub-message and this update command is upgraded a plurality of sub-message of being preserved in this memory member.
7. this method as claimed in claim 6, wherein this standard transport layer communications protocol format is a wireless protocols.
8. this method as claimed in claim 7, wherein this standard transport layer communications protocol format is a radio selective call agreement.
9. this method as claimed in claim 8, wherein this update command comprises and is used to distinguish this more data translation sign of a form of new data.
10. this method as claimed in claim 9, wherein in a plurality of sub-message that is received in this sub-information updating step (a) of this update command that is received in the step (b) more than the same section in 1 the sub-message.
11. in a selective calling device that comprises a processor that is connected to a memory member, this selective calling device is configured to receive a signal that sends with a standard transport layer communications protocol format, this signal comprises an address part and a message part, a message part comprises at least one sub-message, upgrades a method that is stored in this a little message in this memory and comprises step:
(a) receive a signal that comprises a plurality of sub-message, and this a little message is kept in this memory member, each subaddressing is corresponding with a sub-message;
(b) in the back of step (a), in this message part, receive a plurality of update command with described standard transport layer communications protocol format, each update command in these a plurality of update command comprises at least one subaddressing and at least one sub-message, and each subaddressing is corresponding with a corresponding sub-message; With
(c) to each subaddressing in this at least one subaddressing that is received in the step (b), judge from this subaddressing whether this selective calling device is allowed to receive this corresponding sub-message in each update command these a plurality of update command, and use one according to this subaddressing, the mode of this sub-message and these a plurality of update command is upgraded this at least one sub-message of being preserved in this memory member.
12. as this method of claim 11, wherein this standard transport layer communications protocol format is a wireless protocols.
13. as this method of claim 12, wherein this standard transport layer communications protocol format is a radio selective call agreement.
14. as this method of claim 11, wherein this sub-message of these a plurality of update command that received in the step (b) comprises the more new data of a part that is used for this sub-message that step of updating (a) received.
15. as this method of claim 14, wherein these a plurality of update command comprise and are used to distinguish this more data translation sign of a form of new data.
16. as this method of claim 11, wherein these a plurality of update command comprise an order of the sub-message that is used to upgrade the subaddressing with consecutive number.
17. as this method of claim 16, wherein these a plurality of update command also comprise the difference between the continuous subaddressing.
18. as this method of claim 11, wherein these a plurality of update command comprise the order that at least one is used to upgrade the sub-message with subitem subaddressing.
19. this method as claim 18, wherein this a plurality ofly is used to upgrade the order that orders of sub-message with subitem subaddressing comprise an order of the sub-message that is used to upgrade the subitem subaddressing with one first length and are used to upgrade the sub-message of the subitem subaddressing with one second length.
20. as this method of claim 11, wherein these a plurality of update command comprise an order of the sub-message that is used to upgrade the subaddressing with consecutive number and are used to upgrade the order of sub-message with subitem subaddressing.
CNB988031590A 1997-03-07 1998-02-20 Performing updates to multiple information service topics using single command Expired - Fee Related CN1178529C (en)

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WO1999013658A1 (en) * 1997-09-05 1999-03-18 Motorola Inc. Insert/delete modification of information service message
KR100442621B1 (en) 2001-06-29 2004-08-02 삼성전자주식회사 Methode for transmitting information of high speed packet data access service in cdma mobile communication system
JP2004266508A (en) * 2003-02-28 2004-09-24 Toshiba Corp Communication equipment and its information management method

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US4677434A (en) * 1984-10-17 1987-06-30 Lotus Information Network Corp. Access control system for transmitting data from a central station to a plurality of receiving stations and method therefor
US4845491A (en) * 1987-05-15 1989-07-04 Newspager Corporation Of America Pager based information system

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CN1178529C (en) 2004-12-01
WO1998039929A3 (en) 1998-10-29
WO1998039929A2 (en) 1998-09-11
AU6436598A (en) 1998-09-22

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