RU2275755C2 - Paging communication method - Google Patents

Abstract

FIELD: technology for paging communication between transferring portion and multiple consumers.

SUBSTANCE: multiple consumers are equipped with receivers having common and individual addresses. Method includes, during information packet forming stage, recording of information prefix into it information portion, pointing at character of broadcast information in current information packet and its affiliation with certain branch of information tree, stored in branch of information tree is packet of information received by receiver in accordance to information prefix recorded therein, and additionally formed are controlling information packets, while information portion of controlling information packets contains individual address and commands, meant for controlling information receipt by receiver having current individual address.

EFFECT: possible control over activity of service for receiving broadcast information on certain topic by certain client with minimal possible load on system resources.

3 cl, 2 dwg

Description

The present invention relates to the field of communication systems and more specifically relates to a paging communication method.

In the field of communication systems, various paging systems are known for providing alphanumeric information from a transmitter to a subscriber connected to a network. The basic principles of the known communication systems are close to each other.

The paging system can operate in the Pocsag protocol used by Motorola. Pocsag paging protocol is focused on the transmission of address information. For this purpose, the Pocsag information package provides for the transfer of a personal address (capcode - 2097135 addresses and subcode-4 subaddresses). Moreover, each paging receiver is programmed to receive only information packets containing a specific address.

Closest to the proposed in the framework of the present invention method of paging communication is a method known from the patent of the Russian Federation 2155457.

In the paging system described in this patent, the subscriber's receiver can receive information transmitted by the transmitter to several addresses programmed in it. It is also known that the more addresses are programmed, the greater the power consumption and, consequently, the shorter the battery life. All receivers of a paging network, except for a personal address, as a rule, have one or more common (information) addresses. General information (news, weather, business and entertainment announcements, etc.) is transmitted to this address. Moreover, the separation of information on topics is carried out by subcode, that is, information on no more than four topics can be transmitted to one address. The activity management of the personal information transfer service is carried out on the transmitting part of the network (for disabled addresses, information is not received and is not delivered). There is no information service activity management.

Thus, the paging system described in the patent of the Russian Federation 2155457, using the Pocsag protocol, allows the transmission of broadcast information. However, at the same time, it has the following functional limitations in the work.

In this paging system, before transmitting information, it is necessary to go through the request-verification procedure, which is individual for each subscriber, i.e. The communication system must allocate a specific resource to each subscriber before transmitting information to him. As a result, for the delivery of information of volume V N, subscribers will need time t = (N · v + V) / C, where v is the amount of request information of one subscriber, C is the channel capacity. Obviously, the transmission time of information is directly proportional to the number of subscribers, and therefore, because of this, the number of subscribers to the system will be limited and the delay in the delivery of information will increase. This system uses a receiver "capable of requesting information." In fact, it is a radio station (transceiver). A transceiver in relation to a conventional receiver is characterized by the following: a much higher cost, is a source of radio emission, consumes much more energy.

With this method, the structure (hierarchy) of information services is determined once at the start of operation of the system (its deployment and commissioning of the first receiver). Those. there is no possibility of flexible adaptation of the structure of information services during the operation of the system.

The present invention is based on the task of creating a paging communication method having the ability to perform the following functions:

a) transmitting structured broadcast information to one common address and when receiving the sorting of this information and its storage in a convenient form for use;

b) managing the activity of the service for receiving broadcast information of a certain topic to a specific subscriber (enter blocking of certain information resources) with the minimum possible loading of system resources, and excluding the process of transmitting information over the air from a subscriber;

c) changes in the structure of information services (tree of information topics) during the operation of the system.

The problem is solved due to the fact that in the method of paging communication between the transmitting part, equipped with the operator’s information service and the transmitting radio path, and a plurality of consumers equipped with receivers having common and personal addresses connected to the transmitting part via the paging radio channel, which includes the following steps:

- the conversion of personal text and / or broadcast information into code in accordance with the data transfer protocol,

- the formation of the code of information packets, including the information part and the address part, the information part may include part of personal information and / or part of broadcast information, and the address part may include a common address or personal address,

- transmission of the generated information packets by the transmitting part of the system via the paging radio channel in accordance with the data transfer protocol,

- receiving by the receiver a packet of information having a common address and / or personal address matching it,

- conversion by the receiver of the received packet of information from the code into text information in accordance with the data transfer protocol and storing information in the receiver’s memory,

- the formation in the memory of the receiver of the database on the principle of an information tree with the possibility of user access to various branches of the information tree in accordance with the database management system (commands),

according to the invention

at the stage of formation of the information package, an information prefix is additionally written into its information part, indicating the nature of the broadcast information in this information package and its belonging to a particular branch of the information tree,

save the information packet received by the receiver in the receiver database in accordance with the information prefix recorded in it in the corresponding branch of the information tree,

and also form control information packets, including the information part and the address part, the information part of the control information packets containing a personal address and commands for controlling the reception of information by a receiver having a given personal address, and for controlling the structure of the information tree (mutual arrangement and subordination of information that).

In the paging method of the invention, preferably the Pocsag protocol is used as the data transfer protocol.

Also in the paging communication method according to the invention, preferably the information prefix is formed in the form of a word of five seven-bit characters.

Further, the present invention is described with reference to the accompanying drawings, in which:

- figure 1 depicts a block diagram of an example paging system according to the prior art described in RF patent 2155457;

- figure 2 is a block diagram of a preferred embodiment of a paging communication system that implements the paging communication method according to the present invention.

The present invention is explained below with a non-limiting preferred embodiment. The method according to the present invention will be clear to a person skilled in the art from the following description of the paging system in which the method according to the present invention is implemented. This system is described in comparison with the closest solution according to the prior art described in the patent of the Russian Federation 2155457. Matching data elements of the two systems are indicated in FIG. 1 and FIG. 2 by the same positions.

Figure 1 shows a block diagram of a known paging communication system described in patent RF 2155457. This system includes a well-known specialists in this field transceiver device 110, capable of transmitting and receiving information. The transceiver device 110 is connected to the antenna device 120, which transmits information to the air 130, and to the processor 140, which is connected to the decoder 150 for decoding requests for information services and other information received by the transceiver device 110. The memory connected through the decoder 150 to the processor 140 the device 160 stores information obtained through the operator information service subsystem 170, which is connected to the telephone interface 180, which is connected to the processor 140. In the system IU has a plurality (one is shown in Figure 1) 200 receivers capable of requesting information. Such receivers 200 are known in the art as two-way selective paging receivers.

Figure 2 shows a block diagram of a specific non-limiting embodiment of a system that implements the method according to the present invention. The system configuration is different from the system configuration described above with reference to FIG. A system that implements the method according to the present invention includes a transmission device 220 known to those skilled in the art that is capable of transmitting information. It can be any paging transmitter: Nucleus or GM300, Motorolla; OP1020 from OpenPage; Page Link BS50 Technology and others. The transmitting device 220 is connected to an antenna device 120 (for example, CushKraft model CRX150B), which broadcasts information 130, and to a processor 140, which is connected to an encoder 210 for encoding commands for controlling the activity of subscriber information services, managing the structure of subscriber information services. The processor 140 and the encoder 210 are made programmatically and are specialized software installed on a personal computer. The system also includes an operator information service subsystem 170, which is connected to a telephone interface 180, which is connected to the processor 140. The operator information service subsystem 170 is an editorial department for manually entering and editing information and specialized software for automatically receiving information from news agencies. In the system there are many (one shown in FIG. 1) receivers 300 connected to their storage devices 310 capable of storing information. The receiver 300 is a standard Pocsag protocol paging receiver (for example, Motorolla Advisor) with the following functional additions: the storage device 310 is made by dividing the memory according to the information tree into sections (themes) in accordance with the structure of the operator’s information service, the receiver 300 is able to direct the received information in the appropriate section or topic (branch of the information tree) of the storage device 310 and decide whether the reception of information of this topic is available for use STUDIO equipped with this receiver.

During the operation of this system, broadcast information received through the telephone interface 180 and the subsystem 170 of the operator’s information service is transmitted to the processor 140, where the information is initially supplemented with an information prefix in accordance with its belonging to a particular topic (branch of the information tree). (For example: Text - “MICEX SELT. The dollar for today is 31.6250 rubles / dollar”, topic No. 1 “The Central Bank rate” has the prefix “0A-00”, the final message is “0A-00 SELT MICEX. The dollar for today is 31.6250 rubles / dollar "). Next, it is converted to code in accordance with the Pocsag protocol. After that, the code is transmitted to the transmitting device 220 and transmitted through the antenna device 120 to the air 130. The transmitted code is received by the receiver 300 and stored in the storage device 310. The receiver 300 is adapted to decode the code according to the Pocsag protocol into text information. In addition, the receiver has the ability to process information prefixes to determine whether the received information belongs to the information topic. After determining the topic, the receiver 300 decides on the availability of receiving the received information by the given user in accordance with the table of activity of the information topics and, in the case of a positive decision, places the received information in a form suitable for the user to perceive. Commands for managing the activity of information topics and changing the structure of the information tree are entered by the operator information service subsystem 170, encoded by the processor 140 in text form, and then converted into code in accordance with the Pocsag protocol. After that, the code is transmitted to the transmitting device 220 and transmitted through the antenna device 120 to the broadcast 130. The transmitted code is received by the receiver 300 and decoded according to the Pocsag protocol into text information. In addition, the receiver has the ability to process the received commands and change the state of activity (availability) of information topics in the activity table of information topics, as well as change the structure (subordination) of information topics and the names of information topics in the activity table of information topics in accordance with the received commands.

In this embodiment of the present invention, when encoding information, an information prefix is added to the beginning of the message text, which contains information about the message belonging to a certain branch of the network information tree. From the point of view of the usual Pocsag protocol, the information prefix is perceived as plain text. In the protocol used in the present invention, the information prefix is used to place the message in the specified branch of the information tree of the database formed in the storage device (i.e., topic or heading), giving it the appropriate status and additional features. The prefix is not displayed to the user.

According to the present embodiment, additional commands are entered into the protocol which are transmitted with the same common address, but with a subcode equal to zero, and in digital (4-bit) encoding. From the point of view of the usual Pocsag protocol, commands are perceived as an unreadable sequence of characters. Teams are divided into 2 categories - address and general. Address commands contain the personal address of the subscriber and the command itself. They are performed only by a given receiver of information (enable / disable information services, enable / disable information topics, set the end time for information services). General commands do not contain the subscriber’s personal address and are executed by all network receivers (changing the structure of the information tree, headings, etc.).

Unlike the system depicted in Fig. 1, this system is built on the principle of one-way paging, i.e. information moves only from the center to the subscribers. Broadcast information is emitted by the transmitting device 220 through the antenna device 120 once for all subscribers. Each receiver 300 has a storage device 310, in which, in particular, information is stored on the activity of subscriber information services. Moreover, in this system, control information packets are formed, including the information part and the address part, and the information part of the control information packets contains instructions for controlling the structure of the information tree (mutual arrangement and subordination of information topics), which are stored in the storage device 310.

The decision to receive information from a particular information service is made at the receiving end by each subscriber receiver. As a result, there is no need for a request-verification procedure, as in the system of FIG. However, there is a need to change the state of activity of subscriber information services. To do this, commands are entered to control the activity of subscriber information services. The need to transfer these commands arises quite rarely, in practice - not more often than the subscriber’s payments. According to the paging statistics, the average interval between payments is 1.5-2 months, i.e. The communication system should transmit N control commands in 1.5-2 months. The volume of this information is 5-6 orders of magnitude lower than the broadcast, therefore, practically does not affect the throughput of the paging channel. In addition, since the structure of information services is stored in the central and subscriber parts of the system, there is a need for commands to bring the subscriber structures of information services in line with the central structure when the latter changes. To do this, commands are introduced to change the structure of information services. Commands to change the structure of information services are transmitted each time the structure of information services of the operator is changed. Obviously, the load on the system with these commands is negligible.

Using the paging communication method according to the present invention allows, among others, to obtain the following advantages:

a) to use the frequency resource of the paging network economically - broadcast information is broadcast once for all subscribers, in addition, there is no request-verification procedure for the activity of the subscriber’s service,

b) to structure the information received in accordance with a given information tree,

c) change the structure of the operator’s information services and, accordingly, manage the structure of the subscriber’s information tree,

d) manage the activity of the subscriber information service and the activity of the subscriber’s information topics,

d) eliminate the need for a subscriber to use transceiver devices.

Claims (3)

1. A method of paging communication between a transmitting part and a plurality of consumers equipped with receivers having a common and personal address connected to the transmitting part via a paging radio communication channel, comprising the following steps: converting text personal and / or broadcast information into code in accordance with the transmission protocol data, generating from the code information packets including the information part and the address part, the information part including personal information and / or broadcast information, and the address part includes a common address and a personal address, the transmission of the generated information packets by the transmitting part of the system via a paging radio communication channel in accordance with a data transfer protocol, the receiver receiving an information packet having a common address and / or personal address matching it, and the receiver converting the received information packet from code to text information in accordance with the data transfer protocol and storing information in the receiver’s memory, forming a database in the receiver’s memory on the basis of information nth tree with the possibility of user access to various branches of the information tree in accordance with the database management system, characterized in that at the stage of forming the information packet, an information prefix is additionally written in its information part indicating the nature of the broadcast information in this information packet and its affiliation a certain branch of the information tree, save the information packet received by the receiver in the receiver database in accordance with the information recorded in it a formation prefix in the corresponding branch of the information tree, and additionally form control information packets, including the information part and the address part, the information part of the control information packets containing a personal address and commands designed to control the reception of information by the receiver having this personal address. 2. The method according to claims 1 and 2, characterized in that the Pocsag protocol is used as the data transfer protocol. 3. The method according to any one of claims 1 to 3, characterized in that the information prefix is formed in the form of a word of five seven-bit characters.

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