But a kind of mobile broadband communication system and method thereof of high-speed transfer multimedia messages
Technical field
The present invention relates to a kind of mobile broadband communication system that can switch at a high speed, transmit multimedia messagess such as voice, image, particularly relate to a kind of WiFi mobile broadband communication system and method that can switch, transmit multimedia messagess such as voice, image at a high speed of the WiFi of being applicable to Wireless Broadband Communication Systems.
Background technology
The WiFi wireless broadband network is the wireless broadband access communications system that is designed for enterprise, household internal use.On it was used, access base station device A P can't handle the communication information under the situation of user's high-speed mobile.Therefore, the access base station equipment under itu standard 802.11 clauses is very simple access device Access Point, is called for short access base station device A P, and it has simple user communication access function and does not possess routing function.
Under the situation of user's high-speed mobile, the transmission instant and high speed between each access base station device A P of multimedia messagess such as voice in the communication network and image is the most important function demand, otherwise communication will be interrupted because of loss of learning and fail.
Consult Fig. 1, it is traditional a kind of WiMAX WiFi access network schematic diagram.Access base station device A P does not have routing function, as can be seen three access base station device A P.User terminal 10 is connected to this access base station device A P in the registration of the access base station device A P place of centre and via path a1, and is connected to Internet or other IP network by this access base station device A P via path a2 and by the webserver 20.When user terminal 10 beginning when the a3 direction moves, during gradually near the access base station device A P on the right, the signal strength signal intensity of the middle received user terminal 10 of access base station device A P can reduce gradually, till interrupting fully, sees path a4.At this moment, user terminal 10 need restart to the access base station device A P on the right registration and the access base station device A P on the right of path a5 connection, and is connected to Internet or other IP network by the access base station device A P on the right by path, path a6 and by the webserver 20.Above-mentioned whole process need spends some times in second and can finish.Because communication process temporarily stops in the long like this time, therefore the transmission course of multimedia messages can not normally be carried out, so data packet need be submitted again and set up new communication route and will interrupt causing communication failure for instant multimedia streams such as voice, instant videos.
Consult Fig. 2, it is traditional another kind of WiMAX WiFi access network schematic diagram.It is in order to improve the present irremovable defective of WiFi network, the WiFi network to be improved.Three access base station device A P as can be seen, use the centralized management control unit 30 of a centralized management after above-mentioned three access base station device A P, route and the information switching functions such as (transmission) that is about to communicate by letter will be transferred to centralized management control unit 30 and handle.When terminal equipment 10 is connected to centralized management control unit 30 via path b1 to the access base station device A P of centre registration and via path b2, at this moment manage control unit 30 concentratedly and will obtain all information of user terminal 10, connect the webserver 20 and insert Internet or other IP network by path b3 then.When user terminal 10 begins when path b4 direction moves, the middle received signal of access base station device A P begins to weaken, and the signal that the access base station device A P on the right receives begins to strengthen, centralized management control unit 30 is understood the access base station device A P that notifies the right after observing this situation, and the circuit of the access base station device A P of the access base station device A P of the access base station device A P on instruction the right in the middle of taking in the middle of originally being connected to, and the access base station device A P that user terminal 10 need not again on the right goes up registration.This new network configuration has been improved the information transmission speed between the access base station device A P.But owing to the peak time in user's online, any one access base station device A P in the zone that whole centralized management control unit 30 is administered might provide service to user terminal 10, will cause networks efficiency extremely to descend like this, and all can significantly rise and directly occupy Internet resources and make the quality of the communication informations such as voice greatly descend by amounts of control information in the information of centralized management control unit 30.So, in this network configuration,,, can guarantee service quality when user's translational speed is no more than 10KM/ constantly for multimedia communications such as voice, image services; When user's translational speed surpasses 20KM/ constantly, service quality will decline to a great extent.
In sum, be necessary to develop both to guarantee translational speed, WiFi mobile broadband communication system that can guarantee service quality again and corresponding access device etc.
Summary of the invention
An object of the present invention is to provide and a kind ofly can either guarantee translational speed, but the mobile broadband communication system of the high-speed transfer multimedia messages that can guarantee service quality again.
Another object of the present invention provides a kind of method that realizes said system.
Technical scheme of the present invention is:
On the one hand, but a kind of mobile broadband communication system of high-speed transfer multimedia messages comprises at least: a user terminal and a webserver, and the described webserver is used for being connected with network;
It also comprises at least: two intelligent radio wide bandwidth base stations that cover corresponding zone and supply to be positioned at the user terminal registration in this zone, above-mentioned intelligent radio wide bandwidth base station is adjacent setting, and their difference access network servers are also by webserver access network;
Described user terminal is used for registering and this intelligent radio wide bandwidth base station being called the intelligent radio wide bandwidth base station of access on an intelligent radio wide bandwidth base station, the radio signal that this registered user terminal transmitted is also accepted by adjacent intelligent radio wide bandwidth base station when being accepted by the intelligent radio wide bandwidth base station of described access, and described adjacent intelligent radio wide bandwidth base station is used for the signal strength signal intensity that receives is delivered the intelligent radio wide bandwidth base station of described access, and the intelligent radio wide bandwidth base station of this access is used for corresponding signal intensity and himself received signal strength signal intensity are compared, and when the received signal strength signal intensity of a certain adjacent intelligent radio wide bandwidth base station surpassed the signal strength signal intensity that himself receives and above-mentioned signal strength values and surpasses a certain preset value, the intelligent radio wide bandwidth base station of this access was used for log-on message with user terminal and is sent to this adjacent intelligent radio wide bandwidth base station and simultaneously user terminal is transferred to this adjacent intelligent radio wide bandwidth base station and finish switching.
On the other hand, but a kind of mobile broadband communication method of high-speed transfer multimedia messages, described communication system comprises a user terminal, a webserver and two intelligent radio wide bandwidth base stations at least, described intelligent radio wide bandwidth base station is adjacent setting, and described intelligent radio wide bandwidth base station access network server and by webserver access network respectively, the intelligent radio wide bandwidth base station is used to cover corresponding zone and registers for the user terminal that is positioned at this zone; This method may further comprise the steps:
2.1 described user terminal is registered on an intelligent radio wide bandwidth base station earlier, and by this intelligent radio wide bandwidth base station and webserver access network, and the signal that this user terminal is launched is also received by adjacent intelligent radio wide bandwidth base station simultaneously;
2.2 adjacent intelligent radio wide bandwidth base station is delivered the signal strength signal intensity of user terminal emission the intelligent radio wide bandwidth base station of above-mentioned access user terminal;
2.3 the signal strength signal intensity that signal strength signal intensity that the intelligent radio wide bandwidth base station comparison of above-mentioned access user terminal receives himself and adjacent intelligent radio wide bandwidth base station are delivered; And
When 2.4 the signal strength signal intensity of the user terminal of delivering when adjacent certain intelligent radio wide bandwidth base station surpasses a preset value greater than the received signal strength signal intensity of intelligent radio wide bandwidth base station self of above-mentioned access and signal strength values, the intelligent radio wide bandwidth base station of described access is delivered the log-on message of user terminal this adjacent intelligent radio wide bandwidth base station and user terminal is transferred to this adjacent intelligent radio wide bandwidth base station, otherwise the intelligent radio wide bandwidth base station of this access returns step 2.3 and proceeds comparison.
The present invention has following beneficial effect:
The present invention is by adopting said system and method, at user terminal after the registration of a certain intelligent radio wide bandwidth base station, the signal strength signal intensity that signal strength signal intensity that the intelligent radio wide bandwidth base station comparison of this access user terminal receives himself and adjacent intelligent radio wide bandwidth base station are delivered, if when the signal strength signal intensity of the user terminal delivered of adjacent intelligent radio wide bandwidth base station surpassed a preset value greater than the received signal strength signal intensity of intelligent radio wide bandwidth base station self of above-mentioned access and signal strength values, the intelligent radio wide bandwidth base station of described access was delivered the log-on message of user terminal this adjacent intelligent radio wide bandwidth base station and user terminal is transferred to this adjacent intelligent radio wide bandwidth base station.Therefore, user terminal can be fast, smoothly fully to the seamless switching of other intelligent radio wide bandwidth base stations from an intelligent radio wide bandwidth base station, middle without any time waste, its switch speed is very fast, can support the switching under the high-speed mobile, so the present invention has and can either guarantee translational speed, effect such as can guarantee service quality again.
Description of drawings
Fig. 1 is traditional a kind of WiMAX WiFi access network schematic diagram;
Fig. 2 is traditional another kind of WiMAX WiFi access network schematic diagram;
Fig. 3 is the network diagram of system of the present invention;
Fig. 4 is the flow chart of method of the present invention.
Wherein:
10. user terminal, 20. webservers, 30. centralized management control units, 40. intelligent radio wide bandwidth base stations, 50. networks, AP. access base station equipment.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Participate in Fig. 3, it is the network diagram of system of the present invention.But a kind of mobile broadband communication system of high-speed transfer multimedia messages comprises a user terminal 10 and a webserver 20 at least, and the described webserver 20 is used for being connected with network 50; It also comprises at least: two intelligent radio wide bandwidth base stations 40 that cover corresponding zone and supply to be positioned at user terminal 10 registrations in this zone, above-mentioned intelligent radio wide bandwidth base station 40 is adjacent setting, and their difference access network servers 20 promptly insert Internet or other IP network etc. also by the webserver 20 access networks 50; Described user terminal 10 is used for registering and this intelligent radio wide bandwidth base station 40 being called the intelligent radio wide bandwidth base station of access on an intelligent radio wide bandwidth base station 40, the radio signal that this registered user terminal 10 is transmitted is also accepted by adjacent intelligent radio wide bandwidth base station when being accepted by the intelligent radio wide bandwidth base station of described access, and described adjacent intelligent radio wide bandwidth base station is used for the signal strength signal intensity that receives is delivered the intelligent radio wide bandwidth base station of described access, and the intelligent radio wide bandwidth base station of this access is used for corresponding signal intensity and himself received signal strength signal intensity are compared, and when the received signal strength signal intensity of a certain adjacent intelligent radio wide bandwidth base station surpassed the signal strength signal intensity that himself receives and above-mentioned signal strength values and surpasses a certain preset value, the intelligent radio wide bandwidth base station of this access was used for log-on message with user terminal 10 and is sent to this adjacent intelligent radio wide bandwidth base station and simultaneously user terminal 10 is transferred to this adjacent intelligent radio wide bandwidth base station and finish switching.
In the present invention, intelligent radio wide bandwidth base station 40 is used for replacing the access point apparatus AP in the legacy network, intelligent radio wide bandwidth base station 40 has routing function, data are switched the transmission information processing function, communication protocol startup agent functionality and other functions, as Vlan vlan function, package arrangement function etc.
When user terminal 10 is registered to a certain intelligent radio wide bandwidth base station 40, as shown in Figure 3,3 intelligent radio wide bandwidth base stations 40 among the figure according to from left to right order, address is first respectively, second, the 3rd intelligent radio wide bandwidth base station, wherein, user terminal 10 is registered to second intelligent radio wide bandwidth base station, at this moment, user terminal 10 just can be connected to second intelligent radio wide bandwidth base station via path c1, and be connected to the webserver 20 via path c2, insert Internet or other IP network, at one time, adjacent intelligent radio access base station 40, promptly first, the 3rd intelligent radio wide bandwidth base station also can receive the signal of user terminal 10 by path c3, at this moment, second intelligent radio wide bandwidth base station can from trend adjacent first, the 3rd intelligent radio wide bandwidth base station sends information, require first, the 3rd intelligent radio wide bandwidth base station sends the signal strength signal intensity of the user terminal 10 that receives to second intelligent radio wide bandwidth base station, shown in path in graphs c4.
When user terminal 10 begins when the c5 path direction moves, the second intelligent radio wide bandwidth base station can sense the change of the signal of its received user terminal 10, at this moment, the second intelligent radio wide bandwidth base station can be automatically with adjacent first, the signal strength signal intensity that the 3rd intelligent radio wide bandwidth base station is delivered compares with the signal strength signal intensity that self accepts respectively, when comparison value surpassed a predefined critical value, the described second intelligent radio wide bandwidth base station can be judged the dominant right of user terminal 10 (right of attribution) is handed to the described the strongest intelligent radio wide bandwidth base station of signal that receives user terminal 10.For example, when the second intelligent radio wide bandwidth base station compares signal strength signal intensity that the adjacent received user terminal 10 of the 3rd intelligent radio wide bandwidth base station sent greater than himself received signal strength signal intensity and when surpassing a certain predefined critical value, judge that the 3rd intelligent radio wide bandwidth base station is that the next one has the intelligent radio wide bandwidth base station to user terminal 10 communication dominant rights.At this moment, the second intelligent radio wide bandwidth base station delivers the log-on message of user terminal 10 to the 3rd intelligent radio wide bandwidth base station, sees path c4, and submitting of user terminal 10 passed to the 3rd intelligent radio wide bandwidth base station.At this moment, the communication route of user terminal 10 has had original being transferred to by path c7. through the path c2 arrival webserver 20 by path c1 to arrive the webserver 20 through path c8, at this moment, user terminal 10 is promptly finished to the seamless switching of the 3rd intelligent radio wide bandwidth base station from the second intelligent radio wide bandwidth base station, without any time waste.Switch speed is very fast, can support the switching under the high-speed mobile.
Consult Fig. 4, it is the flow chart of method of the present invention.But a kind of mobile broadband communication method of high-speed transfer multimedia messages, described communication system comprises a user terminal 10, the webserver 20 and two intelligent radio wide bandwidth base stations 40 at least, described intelligent radio wide bandwidth base station 40 is adjacent setting, and described intelligent radio wide bandwidth base station 40 access network servers 20 and by the webserver 20 access networks 50 respectively, intelligent radio wide bandwidth base station 40 is used to cover corresponding zone and registers for the user terminal 10 that is positioned at this zone.This method may further comprise the steps: 2.1 described user terminal 10 registrations on an intelligent radio wide bandwidth base station 40 earlier, and by this intelligent radio wide bandwidth base station 40 and the webserver 20 access networks, and the signal that this user terminal 10 is launched is also received by adjacent intelligent radio wide bandwidth base station 40 simultaneously.2.2 adjacent intelligent radio wide bandwidth base station 40 is delivered the signal strength signal intensity of user terminal 10 emissions the intelligent radio wide bandwidth base station 40 of above-mentioned access user terminal 10.2.3 the signal strength signal intensity that signal strength signal intensity that the intelligent radio wide bandwidth base station 40 of above-mentioned access user terminal 10 relatively himself receives and adjacent intelligent radio wide bandwidth base station 40 are delivered.When 2.4 the signal strength signal intensity of the user terminal of delivering when adjacent certain intelligent radio wide bandwidth base station 40 10 surpasses a preset value greater than the received signal strength signal intensity of intelligent radio wide bandwidth base station 40 self of above-mentioned access and signal strength values, the intelligent radio wide bandwidth base station 40 of described access is delivered the log-on message of user terminal 10 this adjacent intelligent radio wide bandwidth base station 40 and user terminal 10 is transferred to this adjacent intelligent radio wide bandwidth base station 40, finish the switching of communication route, otherwise the intelligent radio wide bandwidth base station 40 of this access returns step 2.3 and proceeds comparison.Communication process when the present invention can realize user terminal 10 high-speed mobile by adopting said method continues.
Above-mentioned execution mode only is a preferred implementation of the present invention, can not limit interest field of the present invention with this, and therefore, the equivalent variations according to the present patent application claim is done still belongs to the scope that the present invention is contained.