CN1510866A - Self-adaption network choosing method - Google Patents

Self-adaption network choosing method Download PDF

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CN1510866A
CN1510866A CNA021579687A CN02157968A CN1510866A CN 1510866 A CN1510866 A CN 1510866A CN A021579687 A CNA021579687 A CN A021579687A CN 02157968 A CN02157968 A CN 02157968A CN 1510866 A CN1510866 A CN 1510866A
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network
adaptive
priority
wireless network
wireless
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CNA021579687A
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CN100464516C (en
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巍 谢
谢巍
史云涛
朱灴
孙国滨
刘旭国
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联想(北京)有限公司
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Abstract

A method for self-adapting selection network, first through the terminal equipment gets all adaptable network; then judges it whether or not can start self-adapting, so takes the bootable self-adapting network to record according to the priority sequence of self-adapting network mode, then starts the self-adapting, the terminal equipment compares the top priority wireless network with the current use networks, if they are the same, then no switching, otherwise switch it to the top priority wirelesss networks; repeats the said steps until find optimum network condition.

Description

自适应选择网络的方法 Adaptive network selection method

技术领域 FIELD

本发明属于通信领域,尤指一种无限终端设备自适应选择网络的实现方法。 The present invention belongs to the field of communications, particularly to a terminal device adaptively selecting infinite network implementation.

背景技术 Background technique

过去,无线数字通信系统网络广泛使用的只有GSM,因而不存在终端设备的网络适应问题,但是目前无线数字通信系统种类繁多,包括GSM、GPRS、CDMA、WLAN等,不同的网络数据传输速率不同(GSM最高达57.6Kbps,GPRS最高达115Kbps,WLAN中802.11b协议支持的传输速率达11Mbps,802.11a协议支持的传输速率达54Mbps),而且费用差异较大,因此用户有根据数据传输速率、费用、网络信号质量等网络情况选择无线网络的需求。 In the past, wireless digital communication system networks are widely used only GSM, which is not a network terminal device exists adaptation, but there is a wireless digital communication system, a wide variety, including GSM, GPRS, CDMA, WLAN, etc., different network data transfer rate ( GSM up to 57.6Kbps, GPRS up to 115Kbps, WLAN 802.11b protocol supports the transmission rate up to 11Mbps, 802.11a protocol supports transfer rates up to 54Mbps), and the cost is quite different, so the user has a data transmission rate, cost, network selection signal quality of the network where the demand for wireless networks.

目前用户通常需要人工选择终端设备使用的无线网络,并且一旦选定后,终端设备不能根据无线网络环境的变化(如选定的无线网络没有网络信号或有传输速率更高的无线网络),以及用户的需求(如用户希望使用传输速率高的网络,或希望使用费用低的网络)自动重新选择无线网络,而必须由用户人工完成选择网络的工作,如图1所示:执行步骤10选择某一无线网络;执行步骤11判定该网络是否可用;若可用,则执行步骤12使用当前网络;若不可用,则需要更换终端设备,再重复执行步骤10选择无线网络,直至可用。 Currently user typically needs to manually select a wireless network terminal equipment, and once selected, the terminal device can not change according to a wireless network environment (e.g., the selected wireless network without a signal or a higher transmission rate wireless network), and needs of users (e.g., users want to use a high transmission rate network or desirable to use low-cost network) to automatically reselect the wireless network, the network must be done manually selected by the user operation, shown in Figure 1: a selection step 10 a wireless network; step 11 determines whether the network is available; if available, step 12 is performed using a current network; if available, the terminal device needs to be replaced, and then repeat step 10 to select the wireless network, until it is available. 这样,操作起来很不方便。 In this way, the operation is very convenient.

发明内容 SUMMARY

本发明主要解决无线通信系统中,终端设备根据用户的需求自动适应选择的最佳/需要网络环境。 The present invention is primarily to solve a wireless communication system, the terminal device automatically adapt to the needs of the user selecting the optimal / required network environment.

为解决上述问题,本发明自适应选择网络的方法包括如下步骤:1)确定终端设备使用的无线设备类型;2)根据步骤1)中得到的无线设备类型确定可以适应哪些网络类型;3)根据步骤2)中所得到的网络类型,对相应网络进行实时扫描,获取所有可适应无线网络的信号特征数据;4)将步骤3)中获得的无线网络信号特征数据同预先设定的性能指标进行比较,判定该网络是否可以启动自适应,从而将可启动自适应的网络按照所设置的自适应网络方式的优先顺序进行记录;5)启动自适应,则终端设备将通过所记录的优先顺序,将选择的最优先无线网络同当前使用的网络类型进行比较,如果相同,则不进行切换,否则切换到最优先的无线网络;6)如果不启动自适应,则结束。 To solve the above problems, the method of the present invention adaptively selecting a network comprising the steps of: a) determining the type of terminal device used by the wireless device; 2) according to the type of wireless device in Step 1) is obtained can be adapted to determine which network type; 3) network type 2) obtained in step, real-time scanning of the respective network, wherein the data acquiring all signals adaptable wireless network; 4) step 3 the wireless network signal) obtained characteristic data with the pre-set performance comparison, determines whether or not the network may start adaptation, so that the network may initiate the adaptive recording according to the priority order of the adaptive network mode set; 5) adaptive start, the terminal device recorded in the priority order, the most preferred selected wireless network is compared with the currently used type of network, if the same, switching does not occur, otherwise to the highest priority wireless network; 6) does not start if adaptation is ended.

本发明优点在于:(1)准确确定终端设备可以适应的无线网络类型;(2)可以实时获取无线网络的信号强度;(3)终端设备自动适应无线网络变化情况。 Invention has the advantages: (1) to accurately determine the type of terminal device may be a wireless network adaptation; (2) the signal strength of the wireless network can be acquired in real time; (3) the wireless terminal device automatically adapt to network changes.

附图说明 BRIEF DESCRIPTION

图1是为现有终端设备使用无线网络的方式。 FIG 1 is a way to use the existing wireless network terminal equipment.

图2为终端设备自适应网络实现方法的基本流程图。 FIG 2 is a basic flow diagram of adaptive terminal equipment of the network implementation.

图3为按传输速率高低顺序来适应无线网络的流程图。 3 is a flowchart of a wireless network according to descending order of transmission rate adaptation.

具体实施方式 Detailed ways

为了使终端设备能够自适应当前的无线网络且满足用户需求,本发明允许设置多种自适应网络方式,且用户可以选择。 In order to enable the terminal device to the current wireless network adaptive and meet user demand, the present invention allows multiple network adaptive manner provided, and the user can select.

用户选择的自适应网络方式将作为确定当前最优无线网络的判断依据,在本发明中,以列表或数据库等方式设置。 The user selects an adaptive manner as the network is determined depending on the current determination of an optimal wireless network, in the present invention, the list or database like manner. 且本发明可预先固化多种自适应网络方式供用户选择,也可以让用户自己设置自适应网络方式。 And the present invention may be pre-cured variety of ways for users to choose the adaptive network, also allows users to set up their own network adaptive manner.

自适应网络方式可以是但不限于以下几种:(1)适应高优先级无线网络;(适用于从低优先级无线网络覆盖区域移动到高优先级无线网络覆盖区域)(2)适应低优先级无线网络;(适用于从高优先级无线网络覆盖区域移动到低优先级无线网络覆盖区域)(3)仅在当前使用的无线网络信号不存在时,适应其他无线网络;(4)按优先级顺序适应其他无线网络;(5)不适应任何其他无线网络。 Adaptive network mode may be, but is not limited to the following: (1) a wireless network to adapt to a high priority; (for low priority from the wireless network coverage area to a high priority wireless coverage area) (2) adapted to low priority level wireless network; (for coverage area of ​​the mobile from a high priority wireless network to a low priority radio coverage area) (3) only when the wireless network signal currently used does not exist to accommodate other wireless network; (4) preference adaptation order of other wireless networks; (5) suited to any other wireless network.

用户可以根据需要自行定义无线网络的优先级别,例如:费用、传输速率、费用/传输速率等。 The user may need to define the priority according to its own wireless network, for example: the cost, transmission rate, cost / transmission rate.

当费用优先时,需要按当地网络服务供应商的收费标准进行比较;当传输速率优先时,需要比较各无线网络的传输速率。 When the cost of priority needs in local network service provider charges were compared; when the transmission rate priority, need to compare the transmission rate for each wireless network.

请参照图2所示,实现终端设备自适应网络的方法包括以下步骤:1)执行步骤20,确定终端设备使用的无线设备类型,如:移动电话、PDA、笔记本电脑及相应的网络制式;2)执行步骤21,根据步骤20中得到的无线设备类型确定可以适应哪些网络类型,如:GSM、GPRS、CDMA、WLAN;3)执行步骤22,根据步骤21中所得到的网络类型,根据预先设置的自适应网络方式的优先顺序,对相应网络进行实时扫描,获取所有可适应的无线网络的信号特征数据如:强度、频率等;诚然,也可以其他顺序进行扫描,例如随机扫描;4)执行步骤23,将步骤22中获得的无线网络信号特征数据同预先设定的性能指标进行比较,判定该网络是否可以启动自适应,从而将可启动自适应的网络按照所设置的自适应网络方式的优先顺序进行记录。 Referring to the method shown in FIG. 2, to achieve an adaptive network terminal device comprising the steps of: 1) performing step 20, the wireless device determines the type of terminal device in use, such as: a mobile phone, PDA, laptop and the corresponding network standard; 2 GSM, GPRS, CDMA, WLAN; 3) performing step 22, according to the network type in step 21 obtained according to the presetting:) performing step 21, wireless device type in step 20 to obtain a determination may be what type of network, such as the adaptation adaptive network priority mode, real-time scanning of the corresponding network, acquires data for all signal characteristics can be adapted to a wireless network, such as: intensity, frequency and the like; Indeed, other sequences can also be scanned, for example, random scan; 4) executed step 23, the wireless network signal characteristic data obtained in step 22 with a predetermined performance index, and determines whether or not the network may start adaptation, so that the network can start an adaptive manner according to the adaptive network is provided recording priority. 例如,以信号强度为例,获得的无线网络信号强度同预先设定的接入阈值进行比较,当信号强度大于接入阈值时,则该网络列入可启动自适应的网络列表,从而按照所设置的网络优先顺序以列表或数据库的方式进行记录;否则,该网络不能启动自适应;5)如果启动自适应过程,则执行步骤24,终端设备将通过所建立的网络优先顺序表,将选择的最优先无线网络同当前使用的网络类型进行比较,如果相同,则不进行切换,否则切换到最优先无线网络;6)如果成功地接入选择的最优先无线网络,则中断原有网络连接并保存当前使用的网络类型,否则切换到优先顺序表中次优无线网络,依此类推,直至选择的网络其优先级别与当前使用的网络优先级别相同而不进行切换;7)如果不启动自适应过程,则结束。 For example, an example signal strength, wireless network signal strength obtained is compared with a preset threshold for access, the access when the signal strength is greater than the threshold value, then the network can be included in the list to start an adaptive network, so that according to the network setting priorities in a manner of a list or database record; otherwise, the network is unable to start adaptation; 5) If an adaptive process starts, step 24 is executed, the terminal device through the established network priority list will be chosen highest priority wireless network compared with the currently used type of network, if the same, switching does not occur, otherwise to the highest priority wireless network; 6) if the access successfully selected the highest priority wireless network, the existing network connection is interrupted and stores network type currently used, otherwise to the precedence table suboptimal wireless network, and so on, until the same network which network selection priority to the current priority level without the use of switches; 7) if not start from adaptation process is ended.

请参照图3所示,下面将对本发明的优选实施例进行进一步详细描述。 Referring to FIG. 3, the following embodiment will be described in further detail preferred embodiments of the present invention.

本优选实施例中使用的无线设备可以适应GSM、GPRS和WLAN网络。 Used in this preferred embodiment of the wireless device can be adapted to GSM, GPRS and WLAN networks.

1)执行步骤31,确定用户当前使用的无线设备(GSM手机、GPRS卡、WLAN卡等);2)执行步骤32,根据使用的无线设备确定可以适应的无线网络类型(如使用GPRS卡,则可以适应GSM和GPRS网络,如使用WLAN卡,则可以适应WLAN网络,如同时使用GPRS和WLAN卡,则可以适应GSM、GPRS和WLAN三种网络);3)执行步骤33,扫描可适应无线网络中传输速率最高的WLAN无线网络,获取其网络信号强度;4)执行步骤34,扫描可适应无线网络中传输速率次高的GPRS无线网络,获取其网络信号强度;5)执行步骤35,扫描可适应无线网络中传输速率最低的GSM无线网络,获取其网络信号强度;6)执行步骤36,按传输速率高低建立可适应网络列表;7)执行步骤37,判断可适应网络列表中传输速率最高的网络是否为当前使用的网络,如果是,则转到步骤33,否则执行步骤38;8)执行步骤38,切换到选择的网络;9) 1) step 31, determines that the wireless device (GSM phone, GPRS cards, WLAN cards, etc.) the user is using; 2) step 32, according to the type of wireless network of wireless devices use determination may be adapted (e.g., using GPRS card, GSM and GPRS networks may be adapted, such as using WLAN card, may be adapted to the WLAN network, such as GPRS and WLAN card use, it can adapt to GSM, GPRS and WLAN three networks); 3) performing step 33, the scanning can be adapted to a wireless network the maximum transmission rate of the WLAN radio network, acquiring its network signal strength; 4) performing step 34, the scanning can be adapted to a wireless network transmission rate of the next highest GPRS wireless network, obtains its network signal strength; 5) performing step 35, scan accommodating wireless network transmission rate is the lowest GSM wireless network, obtains its network signal strength; 6) performing step 36, according to the transmission rate level established adaptable network list; 7) performing step 37, determination can be adapted to the maximum network list transmission rate the network used is the current network, if yes, go to step 33, otherwise step 38; 8) executes step 38 to switch to the selected network; 9) 行步骤39,判断切换是否成功;10)如果切换成功,执行步骤310,中断原有网络连接,保存当前网络类型,执行步骤33;11)如果切换不成功,执行步骤311,删除可适应网络列表中传输速率最高的网络,执行步骤37;上述步骤可在无线网络中反复实时使用,使网络设备每个时刻都处于最佳网络中。 OK step 39, it is determined whether the handover is successful; 10) if the handover is successful, step 310 is performed, the interrupt existing network connection, save the current network type, step 33; 11) if the handover is unsuccessful, step 311, may be adapted to delete the network list the highest rate of transmission network, step 37; the above-described steps may be repeated in real time in a wireless network using the network device at every moment the best network.

Claims (13)

1.一种自适应选择网络的方法,其特征在于包括以下步骤:1)确定终端设备使用的无线设备类型;2)根据步骤1)中得到的无线设备类型确定可以适应哪些网络类型;3)根据步骤2)中所得到的网络类型,对相应网络进行实时扫描,获取所有可适应无线网络的信号特征数据;4)将步骤3)中获得的无线网络信号特征数据同预先设定的性能指标进行比较,判定该网络是否可以启动自适应,从而将可启动自适应的网络按照所设置的自适应网络方式的优先顺序进行记录;5)启动自适应,则终端设备将通过所记录的优先顺序,将选择的最优先无线网络同当前使用的网络类型进行比较,如果相同,则不进行切换,否则切换到最优先的无线网络;6)如果不启动自适应,则结束。 1. An adaptive method of selecting a network, comprising the steps of: a) determining the type of terminal device used by the wireless device; 2) according to the type of wireless device in Step 1) is obtained can be adapted to determine which network type; 3) the network type in step 2) is obtained, the corresponding network real-time scanning, data acquisition of all signal characteristics adaptable wireless network; 4) step 3 the wireless network signal) with the feature data obtained in the predetermined performance index comparing, it determines whether or not the network may start adaptation, so that the network may initiate the adaptive recording according to the priority order of the adaptive network mode set; 5) adaptive start, the terminal device with the priority order recorded , most preferentially selected wireless network compared with the currently used type of network, if the same, switching does not occur, otherwise to the highest priority wireless network; 6) does not start if adaptation is ended.
2.如权利要求1所述自适应选择网络的方法,其特征在于:步骤3)中对相应网络进行实时扫描是根据预先设置的自适应网络方式的优先顺序进行。 2. The method of adaptively selecting a network according to claim 1, wherein: in step 3) in real-time scanning of the corresponding network is a network adaptive manner according to priorities set in advance.
3.如权利要求2所述自适应选择网络的方法,其特征在于:自适应网络方式的优先顺序以从低优先级无线网络覆盖区域移动到高优先级无线网络覆盖区域的顺序。 Adaptive network selection method according to claim 2, wherein: the priority network adaptive manner as to cover from the low priority order of wireless network area to a high priority wireless network coverage area.
4.如权利要求2所述自适应选择网络的方法,其特征在于:自适应网络方式的优先顺序以从高优先级无线网络覆盖区域移动到低优先级无线网络覆盖区域为优先顺序标准。 4. The adaptive network selection method according to claim 2, characterized in that: an adaptive manner as to prioritize the network coverage area of ​​the mobile radio network to the low priority priority criteria for the region of high priority from the wireless network.
5.如权利要求2所述自适应选择网络的方法,其特征在于:自适应网络方式的优先顺序以仅在当前使用的无线网络信号不存在时,适应其他无线网络为优先顺序标准。 5. The adaptive network selection method as recited in claim 2, wherein: an adaptive way to prioritize the network only when the currently used wireless network signal is not present, the wireless network is adapted to other priority criteria.
6.如权利要求2所述自适应选择网络的方法,其特征在于:自适应网络方式的优先顺序根据用户需要自行定义无线网络的优先级别。 The method of the adaptive selection network as claimed in claim 2, wherein: the priority network adaptive manner according to a user defined priority needs of their own wireless network.
7.如权利要求6所述自适应选择网络的方法,其特征在于:用户需要自行定义无线网络的优先级别可以以费用、传输速率或费用/传输速率为基准。 7. The method of adaptively selecting a network as claimed in claim 6, wherein: the user needs to define its own priority level of the wireless network may cost, or the cost of transmission rate / transmission rate as a reference.
8.如权利要求1所述自适应选择网络的方法,其特征在于:步骤3)中对相应网络进行实时扫描是以随机方式进行。 8. The adaptive network selection method as recited in claim 1, wherein: the step 3) of the corresponding network scanning in real time in a random manner.
9.如权利要求1所述自适应选择网络的方法,其特征在于:步骤3)中的特征数据为网络信号的强度。 9. The method of adaptively selecting a network according to claim 1, wherein: the characteristic data in step 3) is a network signal strength.
10.如权利要求9所述自适应选择网络的方法,其特征在于:步骤4)中判定该网络是否可以启动自适应,是根据所获得网络信号强度同预先设定的接入阈值进行比较,当信号强度大于接入阈值时,则记录该网络;否则,该网络不可启动自适应。 10. The adaptive network selection method according to claim 9, wherein: step 4), determines whether or not the network may start adaptation, are compared according to the access network signal strength with a threshold value set in advance obtained, when the signal strength is greater than the threshold for access, the network is recorded; otherwise, the adaptive network is not started.
11.如权利要求1所述自适应选择网络的方法,其特征在于:步骤4)中以列表或数据库的方式进行记录。 11. The method of adaptively selecting a network according to claim 1, wherein: step 4) by way of a list or a database record.
12.如权利要求1所述自适应选择网络的方法,其特征在于:步骤5)进一步包括如果成功地接入选择的最优先无线网络,则中断原有网络连接并保存当前使用的网络类型,否则切换到优先顺序表中次优无线网络,依此类推,直至选择的网络其优先级别与当前使用的网络优先级别相同而不进行切换。 12. The adaptation method of selecting a network according to claim 1, wherein: the step 5) further comprises a highest priority if the successful access to the selected wireless network, the existing network connection is interrupted and stores network type currently in use, otherwise to the precedence table suboptimal wireless network, and so on, up to the same level of priority selected network currently in use without switching network priority.
13.如权利要求1所述自适应选择网络的方法,其特征在于:该方法可在无线网络中反复实时使用,使终端设备时刻都处于最佳无线网络中。 13. The method of adaptively selecting a network according to claim 1, characterized in that: the method can be repeatedly used in a wireless network in real time, so that the terminal device at all times in the best wireless network.
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