CN107205250A - Improve the method for hand-exchanging program - Google Patents
Improve the method for hand-exchanging program Download PDFInfo
- Publication number
- CN107205250A CN107205250A CN201610156877.9A CN201610156877A CN107205250A CN 107205250 A CN107205250 A CN 107205250A CN 201610156877 A CN201610156877 A CN 201610156877A CN 107205250 A CN107205250 A CN 107205250A
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- Prior art keywords
- wireless
- mobile device
- base station
- hand
- signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of to improve the method for hand-exchanging program, for the base station in a wireless communication system, this method includes：Connect the mobile device in radio communication system；An on-line state between detection and the mobile device；And according to the on-line state, judge whether one cut-off signal of transmission to the mobile device, the wherein cut-off signal is used for asking the mobile device to carry out a hand-exchanging program.
Description
Technical field
The present invention is espespecially carried out hand-off on a kind of method of hand-exchanging program by wireless base station active request mobile device
Program, the method to lift quality of connection.
Background technology
It is on the move that WLAN in traditional wireless communication specification IEEE 802.11 is not described wireless endpoint
How hand-exchanging program (Handover) is carried out, although and later radio communication specification IEEE 802.11k, IEEE 802.11r
The mechanism on the books for how accelerating hand-off, pre-authentication (pre-authentication) or selecting more preferable target BS,
But premise is all that wireless endpoint needs oneself actively hand-off, and otherwise these mechanism can not be all activated.However, according to current hand-off
Program, the problem of can not still solving stickiness wireless endpoint (sticky client), so-called stickiness wireless endpoint is exactly a nothing
Line endpoints are moved in the environment for spread all over wireless network base station, and the nothing in having had moved away from original link during the movement
Line base station and approached other wireless base stations, but still tightly to sting original wireless base station not hand-off for the wireless endpoint, enters
And the low of wireless endpoint connection speed is caused, and the connection of integrated environment is affected.
In the prior art, not having any method for stickiness wireless endpoint can be in response to unless wireless endpoint oneself
Triggering is hand-off, and otherwise wireless endpoint is had to move to from original wireless base station very remote place so that wireless endpoint is almost received
After being disconnected less than signal, wireless endpoint can have an opportunity again other wireless base stations in hand-off connection.Citing comes
Say, the problem of due to connecting unstable, border wireless endpoint (boundary client), which can be in one, can connect neighbouring nothing
The position of line base station, but package is constantly sent to original wireless base station, cause wireless environment overall efficiency low.
The content of the invention
The present invention is i.e. the problem of stickiness wireless endpoint in solving wireless network environment, and lift wireless environment efficiency.
Improve the method for hand-exchanging program the invention discloses a kind of, for the base station in a wireless communication system, this method
Include：Connect the mobile device in radio communication system；A connection status between detection and the mobile device；And root
According to the connection status, judge whether one cut-off signal of transmission to the mobile device, the wherein cut-off signal is used for asking the movement
Device carries out a hand-exchanging program.
The present invention separately discloses a kind of method of improvement hand-exchanging program, for the base station in a wireless communication system, the party
Method includes：The package sent from the mobile device in the wireless communication system is received, wherein, the mobile device is connected to
Another base station in the wireless communication system；A link information of the mobile device is judged according to the package；And according to this
Link information, judges whether one cut-off signal of transmission to the mobile device, for asking the mobile device to carry out a hand-exchanging program.
Brief description of the drawings
Fig. 1 is the schematic diagram of the communicator of the embodiment of the present invention one.
Fig. 2 is the schematic diagram of the flow of the embodiment of the present invention one.
Fig. 3 is the schematic diagram of the hand-exchanging program of the embodiment of the present invention one.
Fig. 4 is the schematic diagram of the flow of the embodiment of the present invention one.
Fig. 5 is the schematic diagram of the hand-exchanging program of the embodiment of the present invention one.
Embodiment
Fig. 1 is the schematic diagram of the communicator 10 of the embodiment of the present invention one.Communicator 10 can be mobile device (such as wireless side
Point) or network-side (such as wireless base station), it includes processing unit 100, storage element 110 and communications interface unit 120.Processing dress
It can be microprocessor or ASIC (ASIC) to put 100.Storage element 110 can be any kind of data storage dress
Put, for storing program code 114, and read and configuration processor code 114 by processing unit 100.Communications interface unit 120
Can be a wireless transceiver, it exchanges wireless signal according to the result of processing unit 100 with network-side or mobile device.
Fig. 2 is the flow chart of the flow 20 of the embodiment of the present invention one.Flow 20 can be used for communicator 10, for making wireless base
Assistance wireless endpoint of standing triggers hand-exchanging program, to lift wireless environment efficiency.In the present embodiment, communicator 10 is wireless base
Stand.Flow 20 can be compiled as program code 114, be stored in storage element 110, it is comprised the steps of:
Step 200：Start.
Step 210：Wireless base station is connected with wireless endpoint.
Step 220：Detect the connection status between wireless endpoint in wireless base station.
Step 230：Wireless base station judges whether that one cut-off signal of transmission, to wireless endpoint, wherein should according to connection status
Cut-off signal is used for asking wireless endpoint to carry out a hand-exchanging program.
Step 240：Terminate.
According to flow 20, after wireless endpoint connects wireless base station, wireless base station is detectable with noting down the wireless side
The connection status of point, including signal intensity, transfer rate, transmission quality, packet loss and active channel time etc., thus may be used
To judge the distance between wireless endpoint and wireless base station and transmission quality.Furthermore, it is understood that wireless base station is by monitoring and unites
The connection status of wireless endpoint is counted, can judge whether wireless endpoint has begun to for the signal of wireless base station with communication quality
It is weak, thus decide whether to actively to send disconnection information, it is desirable to which wireless endpoint goes hand-off to connect other wireless base stations.
Mode of operation on triggering hand-exchanging program, is described in detail as follows.Referring to Fig. 3, Fig. 3 is that the embodiment of the present invention one is changed
The schematic diagram of hand program.Wireless communication system includes a wireless endpoint STA1 and three wireless base stations AP1, AP2, AP3.Wirelessly
End points STA1 is first connected and movement is proceeded by after wireless base station AP1, and direction is moved to wireless base station AP2 by wireless base station AP1,
During away from wireless endpoint AP1, wireless endpoint STA1 signal can be examined for wireless base station AP1 worse and worse
Measure wireless endpoint STA1 transmission rate reduction and signal weaker, you can whether Initiated Mechanism judges wireless endpoint STA1
A necessary hand-off position (such as transmission rate is less than a threshold value with signal intensity) to other wireless base stations, and then send strong
Compel cut-off signal and require that wireless endpoint STA1 progress is hand-off.In simple terms, the embodiment of the present invention is connected with wireless endpoint
Wireless base station (i.e. the remote base station of wireless endpoint) be starting point, its by wireless endpoint connection status (such as signal intensity, envelope
The data such as bag, transmission rate), the hand-off opportunity of wireless endpoint is analyzed, therefore stickiness wireless endpoint can be solved the problems, such as.
It is worth noting that, present invention is primarily aimed at solve spreading all over multiple different radio base stations in wireless endpoint
In environment, wireless endpoint position movement (roaming) and produce the problem of continuing not hand-off (handover), even if therefore cloth
In the wireless network environment of the non-same manufacturer in wireless base station founded a capital, or wireless endpoint does not support new radio communication specification
Hand-off mechanism in IEEE 802.11K or 802.11R, by the trigger mechanism of the present invention, can assist wireless endpoint to carry out hand-off
Program, it is to avoid caused by stickiness wireless endpoint problem wireless environment efficiency it is low (such as low transmission rate, high packet loss or
Transmission channel is taken for a long time).
Fig. 4 is the flow chart of the flow 40 of the embodiment of the present invention one.Flow 40 can be used for communicator 10, hand-off for triggering
Program, to lift wireless environment efficiency, in the present embodiment, communicator 10 is wireless base station.Flow 40 can be compiled as journey
Sequence code 114, is stored in storage element 110, it is comprised the steps of:
Step 400：Start.
Step 410：Wireless base station receives the package sent from wireless endpoint.
Step 420：Wireless base station judges a link information of wireless endpoint according to the package.
Step 430：Wireless base station judges whether that one cut-off signal of transmission, to wireless endpoint, is used for according to the link information
Wireless endpoint is asked to carry out a hand-exchanging program.
Step 440：Terminate.
According to flow 40, after wireless endpoint connects a certain wireless base station, the connection package and data of broadcast can be still sent
Package is into channel, although and neighbouring wireless base station is not connected with wireless endpoint, the envelope that can be received by detection
The link information for wrapping to judge wireless endpoint (such as distance and signal intensity).In other words, neighbouring wireless base station is by monitoring
And statistics and the distance and signal intensity of wireless endpoint, determine whether to actively send disconnection information, use and require wireless endpoint
Go it is hand-off connect other wireless base stations, to avoid wireless endpoint from being continuously connected with former wireless base station.For example, when neighbouring wireless
Link information in base station analysis package learns that the signal intensity of wireless endpoint is moved into higher than a threshold value or wireless endpoint
Near, but original wireless base station of still ining succession, now neighbouring wireless base station, which can be sent, forces the signal of disconnection to wireless
End points, allows wireless endpoint to carry out hand-exchanging program, and the more preferable wireless base station of signal is arrived with hand-off.
Referring to Fig. 3, continue to move toward wireless base station AP3 again after wireless endpoint STA1 is connected to wireless base station AP2, wirelessly
Base station AP3 can receive wireless endpoint STA1 broadcast connection package and data packet, be can be found that wirelessly by analysis package
End points STA1 is close but do not connect apart from wireless base station AP2, can thereby send assistance and force disconnection package to wireless side
Point STA1, it is desirable to which wireless endpoint STA1 disconnects and carries out hand-exchanging program, so reaches and forces hand-off purpose.In simple terms, originally
From the point of view of inventive embodiments are the wireless base station (the close base station of wireless endpoint) not connected with wireless endpoint, received by detection
The package statistical analysis that collection wireless endpoint is sent is hand-off to decide whether to replace former wireless base station requirement wireless endpoint to carry out.
From the foregoing, technology of the present invention using software development, by the middle wireless endpoint of wireless base station environment of observation, point
The information of institute's band is moved into a suitable hand-off place to analyze wireless endpoint in analysis wireless side end points package, and intervenes
Wireless endpoint it is hand-off, can it is hand-off in real time arrive more preferable wireless base station, it is wireless to reduce stickiness in wireless network environment
The number of end points simultaneously lifts wireless environment efficiency.In addition, the present invention assists triggering hand-exchanging program by wireless base station, can allow
Some wireless endpoints (legacy client) for not supporting relatively new hand-off technology, stickiness wireless endpoint (sticky client),
Border wireless endpoint (boundary client) etc., it is rapidly hand-off when signal is weak to connect the stronger wireless base station of signal,
And then improve the efficiency of wireless network environment.In other words, point is changed between the intervention of wireless base station can allow wireless endpoint in due course
Hand, rather than when signal is weak just hand-off to not connecting, can not only allow mobile wireless endpoint can fast reaction it is hand-off,
Border wireless endpoint (boundary client) connection instability problem can more be thereby accounted for.
On the other hand, referring to Fig. 5, Fig. 5 is the schematic diagram of the hand-exchanging program of the embodiment of the present invention one.In the present embodiment, nothing
Line communication system includes a wireless base station RAP, a wireless relay point R1 (repeater) and a wireless endpoint STA1.Wireless relay
Point R1 is the signal relaying for wireless base station RAP, extension wirelessly, allows wireless endpoint STA1 can be by wireless
Internet is connected after point R1, and wireless relay point R1 by cable network without being connected to network, but allow wireless endpoint STA1 can
To connect internet after connecting wireless base station RAP by wireless relay point R1.In the case, asking for stickiness end points can still be run into
Topic, that is, wireless endpoint are moved close to wireless relay point R1 scope after wireless base station RAP is connected and but bite wireless base
Stand RAP and do not turn off, in this situation, wireless relay point R1 can be by observing the packet information that wireless endpoint STA1 is sent
(referring to flow 40 of the present invention) or wireless endpoint STA1 is exchanged by the agreement between wireless base station RAP and wireless relay point R1
Connection state information (referring to flow 30 of the present invention), thereby it is known that wireless endpoint, which is in one, needs hand-off position,
And then cut-off signal requirement wireless endpoint STA1 is sent with script wireless base station RAP disconnections, and carry out hand-exchanging program.Therefore, originally
Invention can solve the hand-off problem in small range wireless environment, for example：There is wireless base station in each room in home environment,
When being moved between room, smoothly hand-off appropriate wireless base station can be arrived.
In summary, the present invention in wireless endpoint moving process, by wireless base station assistance can with initiative without
Line endpoints disconnect, and carry out hand-exchanging program to trigger wireless endpoint, make wireless endpoint have an opportunity to connect the preferable wireless base station of signal.
Therefore, the present invention maintains connection after effectively solving the mobile and remote wireless base station of stickiness wireless endpoint (sticky client)
Without the other wireless base stations of hand-off connection, thus the problem of cause quality of connection low and then influence the efficiency of whole environment.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Symbol description
STA1 wireless endpoints
AP1, AP2, AP3, RAP wireless base station
R1 wireless relay point
10 communicators
100 processing units
110 storage elements
120 communications interface units
114 program codes
20th, 40 flow
200~240,400~440 steps.
Claims (8)
1. a kind of improve the method for hand-exchanging program, for the base station in a wireless communication system, this method includes：
Connect the mobile device in the wireless communication system；
A connection status between detection and the mobile device；And
According to the connection status, judge whether one cut-off signal of transmission to the mobile device, the wherein cut-off signal is used for asking
The mobile device carries out a hand-exchanging program.
2. the method for claim 1, wherein the connection status include signal intensity, transmission rate, transmission quality and
At least one of packet loss.
3. method as claimed in claim 2, wherein, according to the connection status, judge whether that transmitting the cut-off signal gives the shifting
The step of dynamic device, includes：
When the transmission rate, signal intensity, transmission quality that detect the mobile device are less than a first threshold and/or packet loss
When rate is higher than a Second Threshold, the cut-off signal is transmitted to the mobile device.
4. the method for claim 1, wherein the base station is a wireless relay point.
5. a kind of improve the method for hand-exchanging program, for the base station in a wireless communication system, this method includes：
The package sent from the mobile device in the wireless communication system is received, wherein, the mobile device is connected to the nothing
Another base station in line communication system；
A link information of the mobile device is judged according to the package；And
According to the link information, judge whether one cut-off signal of transmission to the mobile device, for asking the mobile device to carry out
One hand-exchanging program.
6. method as claimed in claim 5, wherein, the package is a connection package or a data packet.
7. method as claimed in claim 5, wherein, the link information includes the distance between the mobile device and the base station
And signal strength information.
8. method as claimed in claim 7, wherein, according to the link information, judge whether that transmitting the cut-off signal gives the shifting
The step of dynamic device, includes：
When the distance between the mobile device and the base station less than a first threshold and/or signal intensity higher than a Second Threshold
When, the cut-off signal is transmitted to the mobile device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156877.9A CN107205250A (en) | 2016-03-18 | 2016-03-18 | Improve the method for hand-exchanging program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156877.9A CN107205250A (en) | 2016-03-18 | 2016-03-18 | Improve the method for hand-exchanging program |
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| Publication Number | Publication Date |
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| CN107205250A true CN107205250A (en) | 2017-09-26 |
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| CN201610156877.9A Pending CN107205250A (en) | 2016-03-18 | 2016-03-18 | Improve the method for hand-exchanging program |
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| CN103686890A (en) * | 2012-09-07 | 2014-03-26 | 中兴通讯股份有限公司 | Method and system for realizing wireless terminal roaming switch in wireless local area network |
| CN103945434A (en) * | 2013-01-22 | 2014-07-23 | 杭州华三通信技术有限公司 | Method of promoting terminal roaming in WLAN network and device |
| CN104602308A (en) * | 2013-10-30 | 2015-05-06 | 国际商业机器公司 | Method and system for switching terminals among multiple wireless access points (AP) |
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2016
- 2016-03-18 CN CN201610156877.9A patent/CN107205250A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1635713A (en) * | 2003-12-26 | 2005-07-06 | 华为技术有限公司 | Method for switching on different Blue Tooth access points for Blue Tooth network structure and Blue Tooth terminal |
| CN101868991A (en) * | 2007-11-21 | 2010-10-20 | 高通股份有限公司 | Source initiated communication handover |
| CN103686890A (en) * | 2012-09-07 | 2014-03-26 | 中兴通讯股份有限公司 | Method and system for realizing wireless terminal roaming switch in wireless local area network |
| CN103945434A (en) * | 2013-01-22 | 2014-07-23 | 杭州华三通信技术有限公司 | Method of promoting terminal roaming in WLAN network and device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170926 |
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| WD01 | Invention patent application deemed withdrawn after publication |