CN201063622Y - Wireless communication system with short distance limitation - Google Patents

Abstract

The utility model discloses a wireless communication system provided with short distance limitation which comprise a server 1 and one or more wireless terminals 2, wherein, the server 1 communicates with the wireless terminals 2 through common communication module groups 11 and 21; the server 1 and the wireless terminals 2 are also provided with internal communication module groups 12 and 22 which can communicates with each other within 500 meters; the server 1 comprises a display 13 and a keyboard 14; each wireless terminal 2 comprises a terminal display 23 and a terminal keyboard 24. The utility model has the advantages of less investment, low risk and more effective management.

Description

A kind of wireless telecommunication system with short distance restriction

Technical field

The utility model relates to a kind of wireless telecommunication system with short distance restriction.

Background technology

Public CDMA WLL be mobile operator at an existing operational expansion, this type of wireless terminal will go far towards mobile operator and enter traditional fixed-line phone market, provide effective means for mobile operator provides the fixed line service.It is introduced, the area that it can be widely used in the inconvenience of telephone stringing, use inconvenience maybe can't arrive, equipment is installed simple efficient, and is convenient as mobile phone in wireless network, can promptly open promptly logical.

Present existing wireless terminal has the convenience as the mobile phone, not can at will move and roam by the influence of region.But can cause phone to make mobile phone for illegal people and use (expenses standard of public words is different with mobile phone) with public words character.Sometimes operator has often set their card of distribution for the radio apparatus function that limits it and issue and can not roam in server, perhaps adds locking certain base station function in the wireless terminal of their distribution.Lock roaming or lock base station all are to limit in bigger scope concerning operator.For example after the lock roaming, use but have illegal people still can in urban area, hold to do the card of public words usefulness to do mobile phone business.Behind the lock base station, still can in the scope of base station, (have an area of several kms) and take terminal away and do other purposes.No matter be existing the sort of mode, mobile operator can't more effectively have restricted (in the 200-500 rice) to its distribution wireless terminal, and carries out the validated user equipment control.

Summary of the invention

The purpose of the present utility model is: provide a kind of to society and at mobile operator the wireless terminal of its distribution is carried out more effective region management, 500 meters away from server issue wireless terminal be and have more restricted use, effectively the wireless telecommunication system with short distance restriction of management with the interior mobile operator of convenience.

The technical solution of the utility model is: be exactly with existing server and wireless terminal with the same frequency communication module of shaking hands, change into two different communication module group, shake hands respectively and communication.

Specifically, it is a kind of wireless telecommunication system with short distance restriction, comprise server and one or more wireless terminal, described server and wireless terminal be by public communication module group communication, also is provided with the internal communication module that can shake hands at preset distance on described server and described wireless terminal.

Described preset distance is smaller or equal to 500 meters.

Described internal communication module is little radio frequency module.

The utility model owing to adopted is also set up on described server and described wireless terminal and is equipped with the internal communication module that can shake hands at preset distance (in 500 meters), the utlity model has to drop into for a short time, and risk is little but manage more effective advantage.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the circuit theory block diagram of the utility model server or wireless terminal.

Embodiment

See also Fig. 1, Fig. 1 is a structural representation of the present utility model.A kind of wireless telecommunication system with short distance restriction, comprise server 1 and one or more wireless terminal 2, described server 1 and wireless terminal 2 are by public communication module group 11,21 communications, and also being provided with on described server 1 and described wireless terminal 2 can be at 500 meters with the interior internal communication module of shaking hands 12,22.Described server 1 comprises display 13 and keyboard 14.Described wireless terminal 2 comprises terminal display 23 and terminal keyboard 24.Described internal communication module 12,22 is little radio frequency module.

See also Fig. 2, Fig. 2 is the circuit theory block diagram of the utility model server.From figure as can be known, described server comprises master controller 15, internal communication module 11, public communication module group 12, keyboard 13 and display 14, keyboard is used to import various literal and/or command information, internal communication module 11 is used for carrying out communication in 500 meters distances with the internal communication module 22 of wireless terminal 2, mainly is to be used for carrying out shake communication; Public communication module group 12 is used for carrying out the communication of voice class with the public communication module group 22 of wireless terminal 2, and master controller 15 is used for all operations controls of server 1.

The circuit block diagram of wireless terminal is identical with the circuit block diagram of aforementioned server, and its purposes is also identical.

Native system mainly is at mobile operator the wireless terminal of its distribution to be carried out more effective region management (in 500 meters of servers), makes things convenient for mobile operator to issue wireless terminal and has more restricted use, effectively management.Realize that this function operator has and drop into for a short time that risk is little but manage more effective characteristics.

The GSM of the agreement of internal communication and public network that people understand between terminal that native system is mentioned and the server, CDMA has very big-difference.Specifically native system inside fixed agreement only support also fairly simple exchanges data of number order word and fairly simple encryption.Not support voice coding and voice transfer and voice encryption.Both communication frequencies also have very big difference, GSM, the public communication channel of these wireless committee defined standards such as CDMA employing 450/850/900/1800/1900M.But general short-distance transmission channel or the amateurish channel that adopts wireless committee defined of native system.Both frequency non-interference.

The radio telephone (cordless telephone) that internal communication and people are understood at ordinary times between terminal that native system is mentioned and the server, bigger difference are home control network communication protocol not support voice coding and the voice transfer and the voice encryptions of native system.

Claims (3)

1. one kind has the wireless telecommunication system that short distance limits, comprise server and one or more wireless terminal, described server and wireless terminal is characterized in that by public communication module group communication: also be provided with the internal communication module that can shake hands at preset distance on described server and described wireless terminal.

2. the wireless telecommunication system with short distance restriction according to claim 1 is characterized in that: described preset distance is smaller or equal to 500 meters.

3. the wireless telecommunication system with short distance restriction according to claim 1 and 2, it is characterized in that: described internal communication module is little radio frequency module.

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