CN104090265A - 定位方法和设备 - Google Patents
定位方法和设备 Download PDFInfo
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- CN104090265A CN104090265A CN201410320908.0A CN201410320908A CN104090265A CN 104090265 A CN104090265 A CN 104090265A CN 201410320908 A CN201410320908 A CN 201410320908A CN 104090265 A CN104090265 A CN 104090265A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0252—Radio frequency fingerprinting
- G01S5/02521—Radio frequency fingerprinting using a radio-map
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/01—Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption
- G01S5/019—Energy consumption
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0205—Details
- G01S5/0221—Receivers
- G01S5/02213—Receivers arranged in a network for determining the position of a transmitter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
- G01S5/0268—Hybrid positioning by deriving positions from different combinations of signals or of estimated positions in a single positioning system
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- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本申请提供了一种定位方法和设备,涉及定位领域。所述方法包括:获取一无线能量传输设备的一组传输参数;根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。所述定位方法和设备,利用无线能量接收设备的接收位置与无线能量传输设备的传输参数之间存在的对应关系,实现了对无线能量接收设备的定位。
Description
技术领域
本申请涉及定位领域,尤其涉及一种定位方法和设备。
背景技术
室内定位是一种在室内环境中实现定位的技术,通常主要采用无线通讯、基站定位、惯导定位等多种技术形成一套室内定位体系,从而实现人员、物体等在室内空间中的位置监控。这些室内定位技术一般定位精度较低。
发明内容
本申请的目的是:提供一种定位方法和设备。
根据本申请至少一个实施例的一个方面,提供了一种定位方法,所述方法包括:
获取一无线能量传输设备的一组传输参数;
根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;
根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
根据本申请至少一个实施例的另一个方面,提供了一种定位设备,所述设备包括:
一传输参数获取模块,用于获取一无线能量传输设备的一组传输参数;
一参考传输参数确定模块,用于根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;
一接收位置确定模块,用于根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
本申请实施例所述定位方法和设备,利用无线能量接收设备的接收位置与无线能量传输设备的传输参数之间存在的对应关系,实现了对无线能量接收设备的定位。
附图说明
图1是本申请一个实施例所述定位方法的流程图;
图2是本申请一个实施方式中所述定位方法的流程图;
图3是本申请另一个实施方式中所述定位方法的流程图;
图4是本申请实施例所述定位设备的模块结构示意图;
图5是本申请一个实施方式中所述定位设备的模块结构示意图;
图6是本申请另一个实施方式所述定位设备的模块结构示意图;
图7是本申请一个实施方式中所述接收位置确定模块的模块结构示意图;
图8是本申请一个实施例所述定位设备的硬件结构示意图。
具体实施方式
下面结合附图和实施例,对本申请的具体实施方式作进一步详细说明。以下实施例用于说明本申请,但不用来限制本申请的范围。
本领域技术人员理解,在本申请的实施例中,下述各步骤的序号的大小并不意味着执行顺序的先后,各步骤的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
发明人在研究中发现,随着无线能量传输技术的发展,越来越多的电子设备会采用无线能量传输技术进行充电。同时,无线能量传输设备,即发射端,为了实现长距离无线能量传输,一般会具有数千个相位阵列天线。所述无线能量传输设备会在充电过程中不断接收无线能量接收设备的反馈,以调整相应的传输参数(相位等),从而使无线能量接收设备达到其所在位置处的最高的能量接收效率。发明人发现,在无线能量接收设备的能量接收效率达到最大值的情况下,无线能量接收设备的接收位置与无线能量传输设备的传输参数之间存在一定的对应关系,根据该对应关系可以实现对无线能量接收设备的定位,即提高一种新的定位方法。
图1是本申请一个实施例所述定位方法的流程图,所述方法可以在例如一定位设备上实现。如图1所示,所述方法包括:
S120:获取一无线能量传输设备的一组传输参数;
S140:根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;
S160:根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
本申请实施例所述方法,获取所述无线能量传输设备的一组传输参数,根据所述一组传输参数确定N组参考传输参数,进而确定所述无线能量接收设备的接收位置,从而实现了对所述无线能量接收设备的定位。
以下将结合具体实施方式,详细说明所述步骤S120、S140和S160的功能。
S120:获取一无线能量传输设备的一组传输参数。
在一种实施方式中,所述传输参数包括:所述无线能量传输设备的天线阵列方向、天线阵列角度和天线相位组合中至少一项。
在另一种实施方式中,所述传输参数包括:所述无线能量传输设备的天线组合子集,以及所述天线组合子集中的天线阵列方向、天线阵列角度和天线相位组合中至少一项。相比前一实施方式,本实施方式中,所述无线能量传输设备的天线并不完全用于向所述无线能量接收设备传输能量,而只是部分天线向所述无线能量接收设备传输能量。
在一种实施方式中,所述步骤S120还可以包括:
S120’:响应于所述无线能量接收设备的能量接收效率达到在所述接收位置的最高效率的预定比例,获取所述无线能量传输设备的所述一组传输参数。
在一种实施方式中,所述无线能量接收设备的能量接收效率η的定义如下公式:
其中,ereceived是所述无线能量接收设备所接收到的能量,而esent是所述无线能量发送设备所发送的能量。可见,所述无线能量接收设备的能量接收效率η即为所述无线能量接收设备所接收到能量与所述无线能量发送设备所发送的能量的比值。在无损耗的理想无线能量传输状态下,该能量接收效率η等于1,而在通常的传输状态下该能量接收效率η是一个小于1的值,该值越接近于1则说明无线能量传输过程中的损耗越小,该能量接收效率η越高。
所述预定比例的取值可以是0~100%,在所述预定比例是100%的情况下,表示响应于所述无线能量接收设备的能量接收效率达到在所述接收位置的最高效率,获取所述无线能量传输设备的所述一组传输参数。
为了监测所述无线能量接收设备的能量接收效率是否达到在所述接收位置的最高效率的预定比例,在一种实施方式中,参见图2,所述方法还包括:
S110:获取所述无线能量接收设备的能量接收效率。
其中,所述无线能量接收设备可以主动或者被动的定期向所述定位设备反馈自己的能量接收效率,响应于所述无线能量接收设备的能量接收效率不再随所述无线能量传输设备的传输参数的调整而提高,可以确定所述无线能量接收设备的能量接收效率达到其所在位置处的最高效率。如果所述预定比例低于100%,由于无法预先获知所述无线能量接收设备在所述接收位置的最高效率,一般需要先调节所述无线能量传输设备的传输参数至所述无线能量接收设备的接收效率达到最高效率,进而再将所述无线能量接收设备的接收效率调节至所述最高效率的预定比例。
受到所述无线能量传输设备和所述无线能量接收设备之间的距离,以及所述无线能量传输设备和所述无线能量接收设备之间的障碍物的影响,所述无线能量接收设备处于不同的位置时,其所能够获得的最高的能量接收效率η可能会不同。比如,响应于一手机放置在靠近所述无线能量传输设备的位置,且无遮挡的情况下,所述手机所能获得的最高的能量接收效率η可以达到80%;响应于一平板电脑放置在远离所述无线能量传输设备的位置,且两者间存在多个障碍物的情况下,所述平板电脑所能获得的最高的能量接收效率η只能达到40%。
在所述无线能量接收设备的能量接收效率η达到所在位置处的最高效率的情况下,所述无线能量传输设备的传输参数与所述无线能量接收设备的接收位置之间具有一对一的对应关系。在所述无线能量接收设备的接收效率η低于最高效率,比如达到其所在接收位置处的最高效率的80%,所述无线能量传输设备的传输参数与所述无线能量接收设备的接收位置之间具有1对M的对应关系,M为正整数。发明人发现,相比在例如野外等空旷环境中,在例如室内等多障碍物的环境中,所述M的取值会较小,其取值一般为1、2。
因此,所述步骤S120’中,在所述预定比例为100%的情况下,所述无线能量传输设备的传输参数与所述无线能量接收设备的接收位置之间具有一对一的对应关系,对所述无线能量接收设备而言会具有更好的定位效果。
S140:根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数。
本步骤中,可以基于所述一组传输参数和所述多组参考传输参数中每一组的相似度确定所述N组参考传输参数。
在一种实施方式中,可以假设所述参考传输参数包括:所述无线能量传输设备的天线组合子集,以及所述天线组合子集中的天线阵列方向、天线阵列角度和天线相位组合。可以将相位取值离散化为π/2的倍数,例如0,π/2,π,3π/2。可以将方向和角度表达为球坐标系(可以参考http://baike.baidu.com/view/1196991.htm)中一个矢量,包括角度θ和方向,其取值均离散化为π/36倍数,例如0,π/36,π/18,π/12,等等。以三个天线节点组成的天线组合子集为例,其对应的一组参考传输参数对应的矢量为
假设所述一组传输参数对应的矢量为V0,所述多组参考传输参数依次为V1、V2、V3…,可以依次计算V0与V1、V2、V3…的余弦相似度作为所述相似度:
S1=(V0*V1)/(|V0||V1|);
S2=(V0*V2)/(|V0||V2|);
S3=(V0*V3)/(|V0||V3|);
.
.
.
其中,*表示矢量点积运算。
在一种实施方式中,所述N组参考传输参数与所述一组传输参数的相似度大于一阈值。所述阈值比如可以是90%。
在另一种实施方式中,所述N组参考传输参数是所述多组参考传输参数中与所述一组传输参数的相似度最高的N组参考传输参数。具体的,可以分别计算所述一组传输参数与所述多组参考传输参数中每一个的相似度,并按照相似度由高到低对所述多组参考传输参数进行排序,然后将前N个参考传输参数作为与所述一组传输参数的相似度最高的N组参考传输参数。也就是说,所述N组参考传输参数是所述多组参考传输参数与所述一组传输参数的相似度按照由高到低排序后的前N个参考传输参数。
另外,在从所述多组参考传输参数中搜寻一组与所述传输参数相似度最高的参考传输参数的情况下,为缩短搜寻时间,可以使用K-D树(http://zh.wikipedia.org/zh-cn/K-d树)或局部敏感哈希(http://blog.csdn.net/icvpr/article/details/12342159)等方法先获得一个近似近邻集合,然后在此集合中用线性搜索的方法找到相似度最高的矢量对应的参考传输参数。
S160:根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
如前文所述,所述N组参考传输参数对应至少N个参考位置,该步骤中,可以根据所述N组参考传输参数对应的所述无线能量接收设备的至少N个参考位置确定所述接收位置。其中,所述参考传输参数和所述参考位置之间的对应关系可以预先确定,在一种实施方式中,参见图3,所述方法还可以包括:
S100:预先确定所述多组参考传输参数对应的所述无线能量接收设备的多个参考位置。
具体的,可以预先将所述无线能量接收设备放置在某一位置处,然后调节所述无线能量传输设备的传输参数直至所述无线能量接收设备的能量接收效率达到所在位置处的最高效率的预定比例,记录下所述无线能量传输设备当前的传输参数以及该传输参数对应的所述无线能量接收设备的位置。类似的,可以得到所述多组参考传输参数对应的所述无线能量接收设备的多个参考位置。响应于所述预定比例为100%,所述参考传输参数和所述参考位置的数量相等;响应于所述预定比例小于100%,所述参考传输参数的数量可能小于所述参考位置的数量。
所述步骤S160中,在一种实施方式中,所述N为1,根据所述N组参考传输参数对应的所述无线能量接收设备的至少一个参考位置确定所述接收位置。
其中,在所述预定比例为100%的情况下,1组参考传输参数对应的所述无线能量接收设备的参考位置仅为1个,可以直接将该1个参考位置作为所述接收位置。
在所述预定比例低于100%的情况下,1组参考传输参数对应的所述无线能量接收设备的参考位置可能为多个,可以从该多个参考位置随机选取一个作为所述接收位置,或者,计算该多个参考位置的中心点作为所述接收位置。
在另一种实施方式中,所述N大于1,所述步骤S160可以包括:
S161:获取所述N组参考传输参数对应的所述无线能量传输设备的至少N个参考位置。
S162:根据所述至少N个参考位置计算得到所述接收位置。
其中,在所述预定比例为100%的情况下,N组参考传输参数对应的所述无线能量接收设备的参考位置为N个,可以计算该N个参考位置的中心点作为所述接收位置。
在所述预定比例低于100%的情况下,1组参考传输参数对应的所述无线能量接收设备的参考位置可能为多个,可以从该多个参考位置随机选取一个作为代表参考位置,或者,计算该多个参考位置的中心点作为代表参考位置。所述步骤S162中,对N组参考传输参数对应的参考位置分别进行上述操作,可以根据所述N组参考传输参数对应的至少N个参考位置得到N个代表参考位置,进而可以计算该N个代表参考位置的中心点作为所述接收位置。
其中,所述接收位置是一空间坐标位置,即三维坐标位置。
此外,本申请实施例还提供一种计算机可读介质,包括在被执行时进行以下操作的计算机可读指令:执行上述图1所示实施方式中的方法的步骤S120、S140、S160的操作。
综上,本申请实施例所述方法,可以预先确定多组参考传输参数对应的所述无线能量接收设备的多个参考位置,进而根据所述无线能量传输设备的一组传输参数确定所述无线能量接收设备的一个接收位置,从而实现对所述无线能量接收设备的定位,在所述无线能量传输设备具有数千或更多天线数量的情况下,可以实现对所述无线能量接收设备的精准定位。
图4是本发明实施例所述定位设备的模块结构示意图,如图4所示,所述设备400可以包括:
一传输参数获取模块410,用于获取一无线能量传输设备的一组传输参数;
一参考传输参数确定模块420,用于根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;
一接收位置确定模块430,用于根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
本申请实施例所述定位设备,获取所述无线能量传输设备的一组传输参数,根据所述一组传输参数确定N组参考传输参数,进而确定所述无线能量接收设备的接收位置,从而实现了对所述无线能量接收设备的定位。
以下将结合具体实施方式,详细说明所述传输参数获取模块410、参考传输参数确定模块420和接收位置确定模块430的功能。
所述传输参数获取模块410,用于获取一无线能量传输设备的一组传输参数。
在一种实施方式中,所述定位设备400可以与所述无线能量传输设备集成设置,比如将所述定位设备400作为一个功能模块设置在所述无线能量传输设备内部。
在一种实施方式中,所述传输参数包括:所述无线能量传输设备的天线阵列方向、天线阵列角度和天线相位组合中至少一项。
在另一种实施方式中,所述传输参数包括:所述无线能量传输设备的天线组合子集,以及所述天线组合子集中的天线阵列方向、天线阵列角度和天线相位组合中至少一项。相比前一实施方式,本实施方式中,所述无线能量传输设备的天线并不完全用于向所述无线能量接收设备传输能量,而只是部分天线向所述无线能量接收设备传输能量。
在一种实施方式中,所述传输参数获取模块410,用于响应于所述无线能量接收设备的能量接收效率达到在所述接收位置的最高效率的预定比例,获取所述无线能量传输设备的所述一组传输参数。
在一种实施方式中,所述无线能量接收设备的能量接收效率η的定义如下公式:
其中,ereceived是所述无线能量接收设备所接收到的能量,而esent是所述无线能量发送设备所发送的能量。可见,所述无线能量接收设备的能量接收效率η即为所述无线能量接收设备所接收到能量与所述无线能量发送设备所发送的能量的比值。在无损耗的理想无线能量传输状态下,该能量接收效率η等于1,而在通常的传输状态下该能量接收效率η是一个小于1的值,该值越接近于1则说明无线能量传输过程中的损耗越小,该能量接收效率η越高。
所述预定比例的取值可以是0~100%,在所述预定比例是100%的情况下,表示响应于所述无线能量接收设备的能量接收效率达到在所述接收位置的最高效率,获取所述无线能量传输设备的所述一组传输参数。
为了监测所述无线能量接收设备的能量接收效率是否达到所在位置处的最高效率的预定比例,在一种实施方式中,参见图5,所述定位设备400还包括:
一能量接收效率获取模块440,用于获取所述无线能量接收设备的能量接收效率。
其中,所述无线能量接收设备可以主动或者被动的定期向所述定位设备反馈自己的能量接收效率,响应于所述无线能量接收设备的能量接收效率不再随所述无线能量传输设备的传输参数的调整而提高,可以确定所述无线能量接收设备的能量接收效率达到其所在位置处的最高效率。如果所述预定比例低于100%,由于无法预先获知所述无线能量接收设备在所述接收位置的最高效率,一般需要先调节所述无线能量传输设备的传输参数至所述无线能量接收设备的接收效率达到最高效率,进而再将所述无线能量接收设备的接收效率调节至所述最高效率的预定比例。
受到所述无线能量传输设备和所述无线能量接收设备之间的距离,以及所述无线能量传输设备和所述无线能量接收设备之间的障碍物的影响,所述无线能量接收设备处于不同的位置时,其所能够获得的最高的能量接收效率η可能会不同。比如,响应于一手机放置在靠近所述无线能量传输设备的位置,且无遮挡的情况下,所述手机所能获得的最高的能量接收效率η可以达到80%;响应于一平板电脑放置在远离所述无线能量传输设备的位置,且两者间存在多个障碍物的情况下,所述平板电脑所能获得的最高的能量接收效率η只能达到40%。
在所述无线能量接收设备的接收效率η达到所在位置处的最高效率的情况下,所述无线能量传输设备的传输参数与所述无线能量接收设备的接收位置之间具有一对一的对应关系。在所述无线能量接收设备的接收效率η低于最高效率,比如达到其所在接收位置处的最高效率的80%,所述无线能量传输设备的传输参数与所述无线能量接收设备的接收位置之间具有1对M的对应关系,M为正整数。发明人发现,相比在例如野外等空旷环境中,在例如室内等多障碍物的环境中,所述M的取值会较小,比如取值为1、2。
因此,在所述预定比例为100%的情况下,所述无线能量传输设备的传输参数与所述无线能量接收设备的接收位置之间具有一对一的对应关系,对所述无线能量接收设备而言会具有更好的定位效果。
所述参考传输参数确定模块420,用于根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数。
所述参考传输参数确定模块420可以基于所述一组传输参数和所述多组参考传输参数中每一组的相似度确定所述N组参考传输参数。
在一种实施方式中,所述N组参考传输参数与所述一组传输参数的相似度大于一阈值。所述阈值比如可以是90%。
在另一种实施方式中,所述N组参考传输参数是所述多组参考传输参数中与所述一组传输参数的相似度最高的N组参考传输参数。具体的,可以分别计算所述一组传输参数与所述多组参考传输参数中每一个的相似度,并按照相似度由高到低对所述多组参考传输参数进行排序,然后将前N个参考传输参数作为与所述一组传输参数的相似度最高的N组参考传输参数。也就是说,所述N组参考传输参数是所述多组参考传输参数分别与所述一组传输参数的相似度按照由高到低排序后的前N个参考传输参数。
所述接收位置确定模块430,用于根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
如前文所述,所述N组参考传输参数对应至少N个参考位置,在一种实施方式中,所述接收位置确定模块430,可以用于根据所述N组参考传输参数对应的所述无线能量接收设备的至少N个参考位置确定所述接收位置。其中,所述参考传输参数和所述参考位置之间的对应关系可以预先确定,在一种实施方式中,参见图6,所述定位设备400还可以包括:
一预先确定模块450,用于预先确定所述多组参考传输参数对应的所述无线能量接收设备的多个参考接收位置。
具体的,可以预先将所述无线能量接收设备放置在某一位置处,然后调节所述无线能量传输设备的传输参数直至所述无线能量接收设备的接收效率达到所在位置处的最高效率的预定比例,记录下所述无线能量传输设备当前的传输参数以及该传输参数对应的所述无线能量接收设备的位置。类似的,可以得到所述多组参考传输参数对应的所述无线能量接收设备的多个参考位置。响应于所述预定比例为100%,所述参考传输参数和所述参考位置的数量相等;响应于所述预定比例小于100%,所述参考传输参数的数量可能小于所述参考位置的数量。
在一种实施方式中,所述N为1,所述接收位置确定模块430,用于根据所述N组参考传输参数对应的所述无线能量接收设备的至少一个参考位置确定所述接收位置。
其中,在所述预定比例为100%的情况下,1组参考传输参数对应的所述无线能量接收设备的参考位置仅为1个,可以直接将该1个参考位置作为所述接收位置。
在所述预定比例低于100%的情况下,1组参考传输参数对应的所述无线能量接收设备的参考位置可能为多个,可以从该多个参考位置随机选取一个作为所述接收位置,或者,计算该多个参考位置的中心点作为所述接收位置。
在另一种实施方式中,所述N大于1,参见图7,所述接收位置确定模块430包括:
第一单元431,用于获取所述N组参考传输参数对应的所述无线能量传输设备的至少N个参考位置;
第二单元432,用于根据所述至少N个参考位置计算得到所述接收位置。
其中,在所述预定比例为100%的情况下,N组参考传输参数对应的所述无线能量接收设备的参考位置为N个,可以计算该N个参考位置的中心点作为所述接收位置。
在所述预定比例低于100%的情况下,1组参考传输参数对应的所述无线能量接收设备的参考位置可能为多个,可以从该多个参考位置随机选取一个作为代表参考位置,或者,计算该多个参考位置的中心点作为代表参考位置。类似的,所述步骤S162中,可以根据所述N组参考传输参数对应的至少N个参考位置得到N个代表参考位置,进而可以计算该N个代表参考位置的中心点作为所述接收位置。
本申请一个实施例所述定位设备的硬件结构如图8所示。本申请具体实施例并不对所述定位设备的具体实现做限定,参见图8,所述设备800可以包括:
处理器(processor)810、通信接口(Communications Interface)820、存储器(memory)830,以及通信总线840。其中:
处理器810、通信接口820,以及存储器830通过通信总线840完成相互间的通信。
通信接口820,用于与其他网元通信。
处理器810,用于执行程序832,具体可以执行上述图1所示的方法实施例中的相关步骤。
具体地,程序832可以包括程序代码,所述程序代码包括计算机操作指令。
处理器810可能是一个中央处理器CPU,或者是特定集成电路ASIC(Application Specific Integrated Circuit),或者是被配置成实施本申请实施例的一个或多个集成电路。
存储器830,用于存放程序832。存储器830可能包含高速RAM存储器,也可能还包括非易失性存储器(non-volatile memory),例如至少一个磁盘存储器。程序832具体可以执行以下步骤:
获取一无线能量传输设备的一组传输参数;
根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;
根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
程序832中各步骤的具体实现可以参见上述实施例中的相应步骤或模块,在此不赘述。所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的设备和模块的具体工作过程,可以参考前述方法实施例中的对应过程描述,在此不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及方法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,控制器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上实施方式仅用于说明本申请,而并非对本申请的限制,有关技术领域的普通技术人员,在不脱离本申请的精神和范围的情况下,还可以做出各种变化和变型,因此所有等同的技术方案也属于本申请的范畴,本申请的专利保护范围应由权利要求限定。
Claims (19)
1.一种定位方法,其特征在于,所述方法包括:
获取一无线能量传输设备的一组传输参数;
根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;
根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
2.如权利要求1所述的方法,其特征在于,所述获取一无线能量传输设备的一组传输参数包括:
响应于所述无线能量接收设备的能量接收效率达到在所述接收位置的最高效率的预定比例,获取所述无线能量传输设备的所述一组传输参数。
3.如权利要求2所述的方法,其特征在于,所述方法还包括:
获取所述无线能量接收设备的能量接收效率。
4.如权利要求1至3任一项所述的方法,其特征在于,所述N组参考传输参数与所述一组传输参数的相似度大于一阈值。
5.如权利要求1至3任一项所述的方法,其特征在于,所述N组参考传输参数是所述多组参考传输参数中与所述一组传输参数的相似度最高的N组参考传输参数。
6.如权利要求1至5任一项所述的方法,其特征在于,所述根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置包括:
根据所述N组参考传输参数对应的所述无线能量接收设备的至少N个参考位置确定所述接收位置。
7.如权利要求6所述的方法,其特征在于,所述N为1,
所述根据所述N组参考传输参数对应的所述无线能量接收设备的至少N个参考位置确定所述接收位置包括:
根据所述N组参考传输参数对应的所述无线能量接收设备的至少一个参考位置确定所述接收位置。
8.如权利要求6所述的方法,其特征在于,所述N大于1,
所述根据所述N组参考传输参数对应的所述无线能量接收设备的至少N个参考位置确定所述接收位置包括:
获取所述N组参考传输参数对应的所述无线能量传输设备的至少N个参考位置;
根据所述至少N个参考位置计算得到所述接收位置。
9.如权利要求1至8任一项所述的方法,其特征在于,所述接收位置是一空间坐标位置。
10.如权利要求1至9任一项所述的方法,其特征在于,所述方法还包括:
预先确定所述多组参考传输参数对应的所述无线能量接收设备的多个参考位置。
11.如权利要求1至10任一项所述的方法,其特征在于,所述传输参数包括:所述无线能量传输设备的天线组合子集,以及所述天线组合子集中的天线阵列方向、天线阵列角度和天线相位组合中至少一项。
12.如权利要求1至10任一项所述的方法,其特征在于,所述传输参数包括:所述无线能量传输设备的天线阵列方向、天线阵列角度和天线相位组合中至少一项。
13.一种定位设备,其特征在于,所述定位设备包括:
一传输参数获取模块,用于获取一无线能量传输设备的一组传输参数;
一参考传输参数确定模块,用于根据所述一组传输参数在多组参考传输参数中确定N组参考传输参数,所述N为正整数;
一接收位置确定模块,用于根据所述N组参考传输参数确定所述无线能量传输设备对应的一无线能量接收设备的一个接收位置。
14.如权利要求13所述的设备,其特征在于,所述传输参数获取模块,用于响应于所述无线能量接收设备的能量接收效率达到所在位置处的最高效率的预定比例,获取所述无线能量传输设备的所述一组传输参数。
15.如权利要求14所述的设备,其特征在于,所述定位设备还包括:
一能量接收效率获取模块,用于获取所述无线能量接收设备的能量接收效率。
16.如权利要求13至15任一项所述的设备,其特征在于,所述接收位置确定模块,用于根据所述N组参考传输参数对应的所述无线能量接收设备的至少N个参考位置确定所述接收位置。
17.如权利要求16所述的设备,其特征在于,所述N为1,
所述接收位置确定模块,用于根据所述N组参考传输参数对应的所述无线能量接收设备的至少一个参考位置确定所述接收位置。
18.如权利要求16所述的设备,其特征在于,所述N大于1,
所述接收位置确定模块包括:
一第一单元,用于获取所述N组参考传输参数对应的所述无线能量传输设备的至少N个参考位置;
一第二单元,用于根据所述至少N个参考位置计算得到所述接收位置。
19.如权利要求13至18任一项所述的设备,其特征在于,所述定位设备还包括:
一预先确定模块,用于预先确定所述多组参考传输参数对应的所述无线能量接收设备的多个参考接收位置。
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US20170160376A1 (en) | 2017-06-08 |
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CN104090265B (zh) | 2016-10-05 |
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