阅读说明：本技术 一种用于校正多个阵列间传输通道偏差的装置及方法 (Device and method for correcting transmission channel deviation among multiple arrays ) 是由 周沐 曹毅 于 2017-12-29 设计创作，主要内容包括：本申请提供一种用于校正多个阵列间传输通道偏差的装置及方法,涉及通信技术领域,用于实现阵列间传输通道的在线校正。多个阵列包括三个阵列,第一阵列与第二阵列和第三阵列级联,多个阵列包括两个级联传输通道,且分别与校正耦合通道的第一端点和第二端点连接,该装置包括：矢量检测单元,用于第一信号在第一端点被馈入时,根据两个级联传输通道的反馈信号检测信号矢量,以及第二信号在第二端点被馈入时,根据两个级联传输通道的反馈信号检测信号矢量,处理单元,用于根据检测到的信号矢量,确定两个级联传输通道间的偏差校正值；校正单元,用于在第一阵列中设置该偏差校正值,以校正两个级联传输通道间的偏差。(The application provides a device and a method for correcting transmission channel deviation among a plurality of arrays, relates to the technical field of communication, and is used for realizing online correction of transmission channels among the arrays. The plurality of arrays includes three arrays, the first array is cascaded with the second array and the third array, the plurality of arrays includes two cascaded transmission channels and is respectively connected with the first end point and the second end point of the correction coupling channel, the apparatus includes: the device comprises a vector detection unit, a processing unit and a control unit, wherein the vector detection unit is used for detecting signal vectors according to feedback signals of two cascade transmission channels when a first signal is fed in at a first end point and detecting signal vectors according to the feedback signals of the two cascade transmission channels when a second signal is fed in at a second end point; a correction unit for setting the offset correction value in the first array to correct the offset between the two cascade transmission channels.)

An apparatus for correcting skew of transmission channels between a plurality of arrays, the plurality of arrays including a first array, a second array and a third array, wherein the first array is respectively cascaded with the second array and the third array, and the first array is a superior array of the second array and the third array, the cascaded plurality of arrays includes a first cascaded transmission channel and a second cascaded transmission channel, the first cascaded transmission channel includes a first transmission channel of the first array and a first reference transmission channel of the second array, the second cascaded transmission channel includes a second transmission channel of the first array and a second reference transmission channel of the third array, the first reference transmission channel and the second reference transmission channel are respectively connected with a first endpoint and a second endpoint of a correction coupling channel, the device comprises:

a vector detection unit for detecting a first signal vector according to a first feedback signal of the first cascaded transmission channel and detecting a second signal vector according to a second feedback signal of the second cascaded transmission channel when a first signal is fed in at the first end point;

the vector detection unit is further configured to detect a third signal vector according to a third feedback signal of the first cascaded transmission channel and detect a fourth signal vector according to a fourth feedback signal of the second cascaded transmission channel when the second signal is fed into the second endpoint; wherein the transmission directions of the second feedback signal and the third feedback signal in the correction coupling channel are opposite;

the processing unit is used for determining a deviation correction value between the first cascade transmission channel and the second cascade transmission channel according to the detected signal vector;

a correction unit configured to set the offset correction value in the first transmission channel or the second transmission channel to correct an offset between the first cascade transmission channel and the second cascade transmission channel.

The apparatus of claim 1, wherein the second feedback signal is a signal of the first signal transmitted through the calibration coupling channel and the second cascade transmission channel from the first end point to the second end point; the third feedback signal is a signal of the second signal after being transmitted through the calibration coupling channel and the first cascade transmission channel between the second end point and the first end point.

The apparatus of claim 1 or 2, wherein the vector detection unit comprises a quadrature receiver, the first transmission channel and the second transmission channel are combined by a first combiner, and the quadrature receiver is connected to the first combiner by a coupler;

when the first signal is fed in at the first endpoint, the quadrature receiver respectively performs frequency mixing processing on the first signal and the first feedback signal, and the first signal and the second feedback signal to obtain a first signal vector and a second signal vector;

when the second signal is fed into the second endpoint, the quadrature receiver mixes the second signal and the third feedback signal, and the second signal and the fourth feedback signal, respectively, to obtain the third signal vector and the fourth signal vector.

The apparatus of claim 3, further comprising a splitter connected to the quadrature receiver, the splitter further connected to the first and second ends of the calibration coupling channel through a switching unit;

wherein the splitter is configured to split the first signal to the quadrature receiver and the first endpoint when connected to the first endpoint through the switching unit; when the splitter is connected to the second endpoint through the switching unit, the splitter is configured to split the second signal to the quadrature receiver and the second endpoint.

The apparatus of claim 4, wherein the apparatus is an apparatus for inputting radio frequency signals, and the first signal and the second signal are radio frequency signals;

wherein the first signal and the second signal are radio frequency signals from the outside; alternatively, the apparatus further comprises a signal generator connected to the splitter, the signal generator configured to generate a radio frequency signal, the radio frequency signal comprising the first signal and the second signal.

The apparatus of claim 5, wherein the apparatus is an apparatus for inputting an intermediate frequency signal, the apparatus further comprising a mixer connected to the splitter, the mixer being configured to mix the intermediate frequency signal and the correction signal to obtain the first signal and the second signal;

wherein the correction signal is from the outside, or the apparatus further comprises a signal generator for generating the correction signal.

The apparatus of claim 5, wherein the apparatus is a baseband signal input apparatus;

wherein the first signal and the second signal are from the outside; alternatively, the apparatus further comprises a signal generator coupled to the splitter, the signal generator configured to generate the first signal and the second signal.

The apparatus of any of claims 1-7, wherein the first reference transmission channel is any of a plurality of transmission channels included in the second array, the plurality of transmission channels of the second array being combined by a second combiner, the first transmission channel being connected to the second combiner to cascade the first array and the second array;

the second reference transmission channel is any one of a plurality of transmission channels included in the third array, the plurality of transmission channels of the third array are combined by a third combiner, and the second transmission channel is connected to the third combiner to cascade the first array and the third array.

The apparatus of any of claims 1-8, wherein the plurality of arrays further comprises a fourth array, the first array being cascaded with the fourth array, the first array being a superior array of the fourth array, the cascaded plurality of arrays further comprising a third cascaded transmission channel, the third cascaded transmission channel comprising a third transmission channel of the first array and a third reference transmission channel of the fourth array, the third reference transmission channel being connected to a third endpoint of the calibration coupling channel, the apparatus further configured to:

and correcting the deviation between the first cascade transmission channel and the third cascade transmission channel, and/or correcting the deviation between the second cascade transmission channel and the third cascade transmission channel.

The apparatus according to any one of claims 1-9, wherein:

the device and the first array are integrated in the same semiconductor chip, and the other ones of the plurality of arrays other than the first array are each integrated in a different semiconductor chip.

A wireless communication device, characterized by:

the wireless communication device comprises the apparatus of any of claims 1-10.

A method for correcting skew of transmission channels between a plurality of arrays, the plurality of arrays including a first array, a second array and a third array, wherein the first array is cascaded with the second array and the third array, respectively, and the first array is a superior array of the second array and the third array, the cascaded plurality of arrays includes a first cascaded transmission channel and a second cascaded transmission channel, the first cascaded transmission channel includes a first transmission channel of the first array and a first reference transmission channel of the second array, the second cascaded transmission channel includes a second transmission channel of the first array and a second reference transmission channel of the third array, the first reference transmission channel and the second reference transmission channel are connected with a first endpoint and a second endpoint of a correction coupling channel, respectively, the method comprises the following steps:

detecting a first signal vector from a first feedback signal of the first cascaded transmission channel and a second signal vector from a second feedback signal of the second cascaded transmission channel when a first signal is fed in at the first endpoint;

detecting a third signal vector from a third feedback signal of the first cascaded transmission channel and a fourth signal vector from a fourth feedback signal of the second cascaded transmission channel when a second signal is fed in at the second endpoint; wherein the transmission directions of the second feedback signal and the third feedback signal in the correction coupling channel are opposite;

determining a deviation correction value between the first cascade transmission channel and the second cascade transmission channel according to the detected signal vector;

setting the deviation correction value in the first transmission channel or the second transmission channel to correct the deviation between the first cascade transmission channel and the second cascade transmission channel.

The method of claim 12, wherein the second feedback signal is a signal of the first signal transmitted through the calibration coupling channel and the second cascade transmission channel from the first end point to the second end point; the third feedback signal is a signal of the second signal after being transmitted through the calibration coupling channel and the first cascade transmission channel between the second end point and the first end point.

The method according to claim 12 or 13, characterized in that:

the detecting the first signal vector and detecting the second signal vector includes: respectively carrying out frequency mixing processing on the first signal and the first feedback signal, and the first signal and the second feedback signal to obtain a first signal vector and a second signal vector;

the detecting a third signal vector and detecting a fourth signal vector includes: and respectively carrying out frequency mixing processing on the second signal and the third feedback signal, and the second signal and the fourth feedback signal to obtain a third signal vector and a fourth signal vector.

The method of any of claims 12-14, wherein the plurality of arrays further comprises a fourth array, the first array being cascaded with the fourth array, the first array being a superior array of the fourth array, the cascaded plurality of arrays further comprising a third cascaded transmission channel, the third cascaded transmission channel comprising a third transmission channel of the first array and a third reference transmission channel of the fourth array, the third reference transmission channel being connected to a third endpoint of the calibration coupling channel, the method further comprising:

and correcting the deviation between the first cascade transmission channel and the third cascade transmission channel, and/or correcting the deviation between the second cascade transmission channel and the third cascade transmission channel.

An apparatus for correcting skew of transmission channels between a plurality of arrays, the plurality of arrays including a first array, a second array and a third array, wherein the first array is respectively cascaded with the second array and the third array, and the first array is a superior array of the second array and the third array, the cascaded plurality of arrays includes a first cascaded transmission channel and a second cascaded transmission channel, the first cascaded transmission channel includes a first transmission channel of the first array and a first reference transmission channel of the second array, the second cascaded transmission channel includes a second transmission channel of the first array and a second reference transmission channel of the third array, the first reference transmission channel and the second reference transmission channel are respectively connected with a first endpoint and a second endpoint of a correction coupling channel, the device comprises:

a vector detection unit for detecting a first signal vector from a first feedback signal output from the first end point by the first cascade transmission channel and a second signal vector from a second feedback signal output from the first end point by the second cascade transmission channel when a first signal is input;

the vector detection unit is further configured to detect a third signal vector from a third feedback signal output from the second endpoint by the first cascaded transmission channel and a fourth signal vector from a fourth feedback signal output from the second endpoint by the second cascaded transmission channel when a second signal is input; wherein the transmission directions of the second feedback signal and the third feedback signal in the correction coupling channel are opposite;

the processing unit is used for determining a deviation correction value between the first cascade transmission channel and the second cascade transmission channel according to the detected signal vector;

a correction unit configured to set the offset correction value in the first transmission channel or the second transmission channel to correct an offset between the first cascade transmission channel and the second cascade transmission channel.

The apparatus of claim 16, wherein the second feedback signal is a signal of the first signal transmitted through the second cascade transmission channel and the calibration coupling channel from the second end point to the first end point; the third feedback signal is a signal of the second signal after being transmitted through the first cascade transmission channel and the correction coupling channel between the first end point and the second end point.

The apparatus of claim 16 or 17, wherein the vector detection unit comprises a quadrature receiver;

when the first signal is input, the quadrature receiver respectively performs frequency mixing processing on the first signal and the first feedback signal, and the first signal and the second feedback signal to obtain a first signal vector and a second signal vector;

when the second signal is input, the quadrature receiver performs mixing processing on the second signal and the third feedback signal, and the second signal and the fourth feedback signal, respectively, to obtain the third signal vector and the fourth signal vector.

The apparatus of claim 18, further comprising a first splitter connected to the first transmission channel, the second transmission channel, and the quadrature receiver, the first splitter configured to input the first signal and the second signal into the first transmission channel, the second transmission channel, and the quadrature receiver;

the orthogonal receiver is also connected with a first end point and a second end point of the correction coupling channel through a switching unit; wherein the quadrature receiver is configured to receive the first feedback signal and the second feedback signal output from the first endpoint when the quadrature receiver is connected to the first endpoint through the switching unit, and configured to receive the third feedback signal and the fourth feedback signal output from the second endpoint when the quadrature receiver is connected to the second endpoint through the switching unit.

The apparatus of claim 19, wherein the apparatus is an apparatus for inputting radio frequency signals, and the first signal and the second signal are radio frequency signals;

wherein the first signal and the second signal are radio frequency signals from the outside; alternatively, the apparatus further comprises a signal generator connected to the first splitter, the signal generator being configured to generate a radio frequency signal comprising the first signal and the second signal.

The apparatus of claim 19, wherein the apparatus is an intermediate frequency signal input apparatus, the apparatus further comprising a mixer connected to the first splitter, the mixer being configured to mix the intermediate frequency signal and the correction signal to obtain the first signal and the second signal;

wherein the correction signal is from the outside, or the apparatus further comprises a signal generator for generating the correction signal.

The apparatus of claim 19, wherein the apparatus is a baseband signal input apparatus;

wherein the first signal and the second signal are from the outside; alternatively, the apparatus further comprises a signal generator connected to the first splitter for generating the first and second signals.

An apparatus according to any one of claims 16 to 22, wherein the first reference transmission channel is any one of a plurality of transmission channels comprised by the second array, the plurality of transmission channels of the second array being split by a second splitter, the first transmission channel being connected to the second splitter to cascade the first and second arrays;

the second reference transmission channel is any one of a plurality of transmission channels included in the third array, the plurality of transmission channels of the third array being split by a third splitter, the second transmission channel being split-connected with the third splitter to cascade the first array and the third array.

The apparatus of any of claims 16-23, wherein the plurality of arrays further comprises a fourth array, the first array being cascaded with the fourth array, the first array being a superior array of the fourth array, the cascaded plurality of arrays further comprising a third cascaded transmission channel, the third cascaded transmission channel comprising a third transmission channel of the first array and a third reference transmission channel of the fourth array, the third reference transmission channel being connected to a third endpoint of the calibration coupling channel, the apparatus further configured to:

and correcting the deviation between the first cascade transmission channel and the third cascade transmission channel, and/or correcting the deviation between the second cascade transmission channel and the third cascade transmission channel.

The apparatus according to any one of claims 16-24, wherein:

the device and the first array are integrated in the same semiconductor chip, and the other ones of the plurality of arrays other than the first array are each integrated in a different semiconductor chip.

A wireless communication device, characterized by:

the wireless communication device comprises the apparatus of any of claims 16-24.

A method for correcting skew of transmission channels between a plurality of arrays, the plurality of arrays including a first array, a second array and a third array, wherein the first array is cascaded with the second array and the third array, respectively, and the first array is a superior array of the second array and the third array, the cascaded plurality of arrays includes a first cascaded transmission channel and a second cascaded transmission channel, the first cascaded transmission channel includes a first transmission channel of the first array and a first reference transmission channel of the second array, the second cascaded transmission channel includes a second transmission channel of the first array and a second reference transmission channel of the third array, the first reference transmission channel and the second reference transmission channel are connected with a first endpoint and a second endpoint of a correction coupling channel, respectively, the method comprises the following steps:

detecting a first signal vector from a first feedback signal output from the first end point by the first cascade transmission channel and a second signal vector from a second feedback signal output from the first end point by the second cascade transmission channel when a first signal is input;

detecting a third signal vector from a third feedback signal output from the second endpoint by the first cascaded transmission channel and a fourth signal vector from a fourth feedback signal output from the second endpoint by the second cascaded transmission channel when a second signal is input; wherein the transmission directions of the second feedback signal and the third feedback signal in the correction coupling channel are opposite;

determining a deviation correction value between the first cascade transmission channel and the second cascade transmission channel according to the detected signal vector;

setting the deviation correction value in the first transmission channel or the second transmission channel to correct the deviation between the first cascade transmission channel and the second cascade transmission channel.

The method of claim 27, wherein the second feedback signal is a signal of the first signal transmitted through the second cascade transmission channel and the calibration coupling channel from the second endpoint to the first endpoint; the third feedback signal is a signal of the second signal after being transmitted through the first cascade transmission channel and the correction coupling channel between the first end point and the second end point.

The method according to claim 27 or 28, wherein:

the detecting the first signal vector and detecting the second signal vector includes: respectively carrying out frequency mixing processing on the first signal and the first feedback signal, and the first signal and the second feedback signal to obtain a first signal vector and a second signal vector;

the detecting a third signal vector and detecting a fourth signal vector includes: and respectively carrying out frequency mixing processing on the second signal and the third feedback signal, and the second signal and the fourth feedback signal to obtain a third signal vector and a fourth signal vector.

The method of any of claims 27-29, the plurality of arrays further comprising a fourth array, the first array being cascaded with the fourth array, the first array being a superior array of the fourth array, the cascaded plurality of arrays further comprising a third cascaded transmission channel, the third cascaded transmission channel comprising a third transmission channel of the first array and a third reference transmission channel of the fourth array, the third reference transmission channel being connected to a third end of the calibration coupling channel, the method further comprising:

and correcting the deviation between the first cascade transmission channel and the third cascade transmission channel, and/or correcting the deviation between the second cascade transmission channel and the third cascade transmission channel.