WO2017118117A1 - Procédé et appareil de détermination de type de polarisation d'antenne, et station de base - Google Patents

Procédé et appareil de détermination de type de polarisation d'antenne, et station de base Download PDF

Info

Publication number
WO2017118117A1
WO2017118117A1 PCT/CN2016/100610 CN2016100610W WO2017118117A1 WO 2017118117 A1 WO2017118117 A1 WO 2017118117A1 CN 2016100610 W CN2016100610 W CN 2016100610W WO 2017118117 A1 WO2017118117 A1 WO 2017118117A1
Authority
WO
WIPO (PCT)
Prior art keywords
value
antenna
difference
determining
crs port
Prior art date
Application number
PCT/CN2016/100610
Other languages
English (en)
Chinese (zh)
Inventor
周鋆卿
秦洪峰
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2017118117A1 publication Critical patent/WO2017118117A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present disclosure relates to the field of communications, for example, to a method, apparatus, and base station for determining the type of antenna polarization.
  • the polarization of an antenna refers to the direction of the electric field strength formed when the antenna is radiated.
  • the electric wave is called a vertically polarized wave; when the direction of the electric field strength is parallel to the ground, the electric wave is called a horizontally polarized wave.
  • the horizontally polarized propagation signal will generate a polarization current on the ground surface when it is close to the ground.
  • the polarization current is rapidly attenuated by the thermal energy generated by the ground impedance, and the vertical polarization mode is not easy.
  • the polarization current is generated, thereby avoiding a large attenuation of energy and ensuring effective signal propagation. Therefore, in a mobile communication system, a vertically polarized propagation mode is generally employed.
  • the best effect can be obtained only when the polarization of the transmitting and receiving antennas is uniform. In theory, when the polarization type of the transmitting and receiving antenna is vertical, the receiving antenna receives almost no signal.
  • a certain "polarization rotation" phenomenon occurs in the electromagnetic wave during the propagation process.
  • a dual-polarized antenna has appeared. As far as its design is concerned, it is generally divided into vertical and horizontal polarization and ⁇ 45° polarization. The performance is generally better than the former, so most of the current methods are ⁇ 45° polarization.
  • the dual-polarized antenna combines the antennas with two polarization directions of +45° and -45° and is orthogonal to each other, and works in the duplex mode at the same time, which greatly saves the number of antennas in each cell. At the same time, it is ⁇ 45°. Orthogonal polarization effectively ensures the good results of diversity reception.
  • the polarization type of the base station antenna is known and no longer changes, and the terminal models vary widely.
  • the antenna polarization form may have vertical polarization type, ⁇ 45° polarization type, vertical and horizontal poles. Polarization type (dual polarization type), etc.
  • polarization type dual polarization type
  • the present disclosure provides a method, an apparatus, and a base station for determining an antenna polarization type, and a method for determining a transmitter antenna type, so that the characteristics of the polarized antenna can be utilized to obtain a maximum received power and improve system performance.
  • the present disclosure provides a method for determining an antenna polarization type, including: obtaining a mapping relationship between a base station physical antenna and a cell-specific reference signal CRS port, and determining a reference quantity corresponding to each physical antenna according to an uplink channel estimation value. a value, and determining, according to the reference quantity value and the mapping relationship, a reference value difference value of different CRS ports, and determining, according to the reference quantity value difference, an average value of reference value differences of different CRS ports, where
  • the reference value includes: a power value and/or a phase value; and comparing the reference value difference average value with a preset threshold value to determine a polarization type of the user equipment antenna.
  • comparing the average value of the reference value difference with a preset threshold value determining a polarization type of the user equipment antenna, including: determining whether an average value of the reference quantity value difference is greater than a preset threshold; if the average value of the reference magnitude difference is greater than the preset threshold, determining that the polarization type of the user equipment antenna is ⁇ 45° polarization type; and if the reference magnitude The average value of the difference is not greater than the preset threshold, and the polarization type of the user equipment antenna is determined to be a vertical polarization type or a vertical horizontal dual polarization type.
  • determining a reference value difference value of the different CRS ports according to the reference quantity value and the mapping relationship including: calculating a sum of reference quantity values of all antennas in the first CRS port, and all antennas in the second CRS port The sum of the reference magnitudes, and the difference between the sum of the reference magnitudes of the first CRS port and the reference magnitude of the second CRS port, the reference value of the first port and the reference to the second port The difference between the magnitude sums is determined as the reference magnitude difference; or, each antenna reference magnitude in the first CRS port and the reference magnitude of the corresponding antenna in the second CRS port are calculated The difference value is determined as the sum of the difference values of the reference values.
  • determining an average value of the reference value difference values of the different CRS ports according to the reference value difference value including: dividing the reference value difference value by the number of antennas corresponding to the same CRS port, to obtain different CRSs. The average value of the reference value difference of the port.
  • the method before obtaining the mapping relationship between the physical antenna of the base station and the CRS port of the cell-specific reference signal, the method further includes: receiving an uplink reference signal, and determining an uplink channel estimation value according to the uplink reference signal.
  • the disclosure further provides an apparatus for determining an antenna polarization type, including: an acquiring module, configured to obtain a mapping relationship between a base station physical antenna and a CRS port; and a parameter determining module, configured to The uplink channel estimation value determines a reference quantity value corresponding to each physical antenna, and determines a reference value difference value of different CRS ports according to the reference quantity value and the mapping relationship, and determines different CRS ports according to the reference quantity difference value.
  • the reference value difference average value wherein the reference quantity value comprises: a power value and/or a phase value; and a type determining module configured to perform the reference value difference average value and a preset threshold value For comparison, the polarization type of the user equipment antenna is determined.
  • the type determining module includes: a determining unit, configured to determine whether the average value of the reference magnitude difference is greater than the preset threshold; and a type determining unit configured to be in the reference value difference If the value average is greater than the preset threshold, determining that the polarization type of the user equipment antenna is ⁇ 45° polarization type; and the average value of the reference magnitude difference is not greater than the preset gate In the case of the limit value, it is determined that the polarization type of the user equipment antenna is a vertical polarization type or a vertical horizontal dual polarization type.
  • the parameter determining module includes: a first calculating unit, configured to calculate a sum of reference values of all antennas in the first CRS port, a sum of reference values of all antennas in the second CRS port, and a first a difference between a sum of a reference magnitude of the CRS port and a sum of reference values of the second CRS port, the difference being determined as the reference magnitude difference; and a second calculating unit configured to calculate the first CRS a difference between a reference quantity value of each antenna in the port and a reference quantity value of the corresponding antenna of each antenna in the second CRS port, and determining a sum value of all the difference values obtained as the reference quantity difference value .
  • the parameter determining module includes: an average value determining unit, configured to divide the reference value difference value by the number of antennas corresponding to the same CRS port, to obtain an average value of reference value differences of different CRS ports. .
  • the device further includes: a receiving module, configured to receive an uplink reference signal and obtain an uplink channel estimation value according to the uplink reference signal, before obtaining a mapping relationship between the physical antenna of the base station and the CRS port of the cell-specific reference signal .
  • a receiving module configured to receive an uplink reference signal and obtain an uplink channel estimation value according to the uplink reference signal, before obtaining a mapping relationship between the physical antenna of the base station and the CRS port of the cell-specific reference signal .
  • the present disclosure also provides a base station, comprising the apparatus for determining an antenna polarization type according to any of the above.
  • the present disclosure also provides a non-transitory computer readable storage medium storing computer executable instructions arranged to perform the above method.
  • the present disclosure also provides an electronic device, including:
  • At least one processor At least one processor
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to cause the at least one processor to perform the method described above.
  • the present disclosure determines a reference quantity corresponding to the physical antenna according to the uplink channel estimation value, calculates a reference value difference value of the different CRS port according to the reference quantity value and the mapping relationship, and determines a reference of the different CRS port according to the reference quantity value difference.
  • the average value of the difference value is compared with the preset threshold value to determine the polarization type of the antenna of the user equipment. After determining the polarization type of the antenna by the method, the polarization can be fully utilized according to the determined type.
  • the characteristics of the antenna improve the system performance, so that the characteristics of the polarized antenna can be utilized to obtain the maximum received power.
  • FIG. 1 is a flow chart of a method of determining an antenna polarization type in an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of an apparatus for determining an antenna polarization type in an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a type determining module of an apparatus for determining an antenna polarization type in an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a parameter determining module of an apparatus for determining an antenna polarization type in an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram showing an optional structure of an apparatus for determining an antenna polarization type in an embodiment of the present disclosure
  • FIG. 6 is a flowchart of estimating a polarization type of a terminal antenna according to a power difference in an embodiment of the present disclosure
  • FIG. 7 is a flow chart for estimating a polarization type of a terminal antenna based on a phase difference in an embodiment of the present disclosure
  • FIG. 8 is a schematic structural diagram of an electronic device provided by the present disclosure.
  • Embodiments of the present disclosure provide a method for determining an antenna polarization type, and the flow of the method is as shown in FIG. 1.
  • a base station physical antenna and a cell-specific reference signal are obtained.
  • Reference signals, CRS) Port mapping may be determined according to a mapping relationship between a physical antenna of the base station and a CRS port.
  • a reference quantity value corresponding to each physical antenna is determined according to the uplink channel estimation value, and reference value difference values of different CRS ports are determined according to the reference quantity value and the mapping relationship, and different CRS ports are determined according to the reference quantity difference value.
  • step 130 the reference value difference average value is compared with a preset threshold value to determine the polarization type of the user equipment antenna.
  • the embodiment of the present disclosure determines a reference quantity value corresponding to each physical antenna according to the uplink channel estimation value, calculates a reference quantity difference value of different CRS ports according to the reference quantity value and the mapping relationship, and finally determines according to the reference quantity value difference.
  • the average value of the reference value difference of the different CRS ports is compared with the preset threshold value to determine the polarization type of the antenna of the user equipment. After determining the polarization type of the antenna by using the method, the determined The type makes full use of the characteristics of the polarized antenna, which improves the system performance, so that the characteristics of the polarized antenna can be utilized to obtain the maximum received power.
  • the uplink reference signal from the user equipment may be received, and the uplink channel estimation value is determined according to the uplink reference signal, and the process of determining the uplink channel estimation value is not described herein.
  • An embodiment utilizes the uplink channel estimate to determine the type of polarization of the antenna.
  • the following process is included: determining whether the reference value difference average value is greater than a preset threshold value And determining, if the average value of the reference magnitude difference is greater than the preset threshold, a polarization type of the user equipment antenna of ⁇ 45°; and if the average value of the reference magnitude difference is not greater than
  • the preset threshold is determined to determine whether the polarization type of the user equipment antenna is a vertical polarization type or a vertical horizontal dual polarization type.
  • the preset threshold is determined by a person skilled in the art according to the characteristics of the polarized antenna, and the preset threshold may be an empirical value or an experimental value, and the preset threshold has a wide representativeness. In this case, the preset threshold can be used as a criterion to judge whether the antenna is ⁇ 45° polarization type.
  • the method may include multiple methods, for example, calculating a sum of reference values of all antennas in the first CRS port, and all antennas in the second CRS port.
  • the sum of the reference magnitudes, the sum of the reference magnitudes of the first CRS port and the second CRS Determining the difference between the reference values of the ports, determining the difference as the reference value difference; or calculating each antenna reference value in the first CRS port and corresponding to each antenna in the second CRS port
  • the difference between the reference values of the antennas determines the sum of all the differences obtained as the reference magnitude difference.
  • the first calculation method is to add the reference quantity values in each CRS port, and then subtract the sum of the reference quantity values of the two CRS ports, and take the absolute value of the subtraction result as the reference quantity value difference.
  • the second method the reference value of one antenna in each CRS port is subtracted from the reference value of the antenna corresponding to the antenna in another CRS port, and the absolute value of the subtraction result is taken, and each CRS port is used.
  • the reference values of all the antennas in the same operation are the same as those of the reference values of other port antennas, and finally the absolute values of all the subtraction results are added as the reference value difference. Both methods can be used, and the average value of the subsequent reference magnitude difference can be determined according to the difference of the reference magnitude.
  • the reference value difference is divided by the number of antennas corresponding to the same CRS port to obtain the reference value difference of the CRS port. The average value.
  • An embodiment of the present disclosure further provides an apparatus for determining an antenna polarization type.
  • the structure of the apparatus is schematically shown in FIG. 2, and includes an acquisition module 10, a parameter determination module 20, and a type determination module 30.
  • the obtaining module 10 is configured to obtain a mapping relationship between the physical antenna of the base station and the CRS port to determine a mapping relationship between the physical antenna of the base station and the CRS port.
  • the parameter determining module 20 is coupled to the obtaining module 10, and configured to determine a reference quantity value corresponding to each physical antenna according to the uplink channel estimation value, and determine a reference quantity difference value of the different CRS port according to the reference quantity value and the mapping relationship, according to the reference.
  • the magnitude difference determines an average of the reference magnitude differences of the different CRS ports, wherein the reference magnitude includes: a power value and/or a phase value.
  • the type determining module 30 is coupled to the parameter determining module 20 and configured to compare the average value of the reference magnitude difference with a preset threshold to determine the polarization type of the user equipment antenna.
  • FIG. 3 shows a schematic structural diagram of the above-described type determining module 30, which includes a judging unit 301 and a type determining unit 302.
  • the determining unit 301 is configured to determine whether the average value of the reference magnitude difference is greater than a preset threshold.
  • the type determining unit 302 is coupled to the determining unit 301, and configured to determine that the polarization type of the user equipment antenna is ⁇ 45° polarization type if the reference value difference average value is greater than a preset threshold value; If the average value of the difference is not greater than the preset threshold, it is determined that the polarization type of the user equipment antenna is a vertical polarization type or a vertical horizontal dual polarization type.
  • FIG. 4 shows a schematic structural diagram of the above-described parameter determination module 20, and the parameter determination module 20 may include a first calculation unit 201 and a second calculation unit 202.
  • the first calculating unit 201 is set to calculate the first The sum of the reference magnitudes of all the antennas in the CRS port, the sum of the reference magnitudes of all the antennas in the second CRS port, and the difference between the value of the reference amount of the first CRS port and the reference value of the second CRS port The value is determined as the reference magnitude difference.
  • the second calculating unit 202 is configured to calculate a difference between each antenna reference quantity value in the first CRS port and a reference quantity value of the corresponding antenna of each antenna in the second CRS port, and determine a sum of all the obtained difference values.
  • the parameter determination module 20 may further include an average value determining unit 203.
  • the average value determining unit 203 is coupled to the first calculating unit 201 and the second calculating unit 202, and is configured to divide the reference value difference value by the number of antennas corresponding to the same CRS port to obtain a reference value difference value of different CRS ports. average value.
  • FIG. 5 is a schematic diagram of an optional structure of the foregoing apparatus.
  • the apparatus for determining an antenna polarization type may further include: a receiving module 40 coupled to the acquiring module 10, configured to receive an uplink reference signal, and according to FIG.
  • the uplink reference signal determines an uplink channel estimate.
  • Embodiments of the present disclosure also provide a base station including the above-described apparatus for determining an antenna polarization type. Those skilled in the art will know how to set the above device in the base station according to the above description, and details are not described herein again.
  • the embodiment of the present disclosure further provides a method for determining an antenna polarization type, which utilizes the characteristics of a polarized antenna, that is, the characteristics of the maximum received power can be obtained only when the transmit and receive antennas are uniformly polarized.
  • the receiving antenna usually the base station
  • the receiving antenna is known for the polarization type of the antenna, and the information such as the received power or the phase difference is calculated, and the polarization type of the antenna whose origin is unknown is estimated.
  • the method for determining the antenna polarization type has universal applicability and accuracy, and effectively improves system performance. This method makes it possible to know the type of antenna at the origin, and there is more a priori information in the algorithm selection of the smart antenna beamforming scheme.
  • the base station may estimate the polarization type of the originating antenna according to the uplink channel estimation value (H), the physical antenna of the base station, and the CRS port mapping manner.
  • the method includes steps 210 through 250.
  • the UE User Equipment uplinks the reference signal
  • the reference signal may include a Sounding Reference Signal (SRS) or a Demodulation Reference Signal (DMRS).
  • SRS Sounding Reference Signal
  • DMRS Demodulation Reference Signal
  • step 220 the base station calculates H according to the uplink transmitted reference signal
  • the H of each subcarrier may be averaged or accumulated according to Resource Blocks (RB) to achieve the effect of noise reduction.
  • RB Resource Blocks
  • the averaging according to the RB is to accumulate the Hs of all subcarriers included in one or more RBs, and divide the accumulated result by the number of RBs; Accumulating is the accumulation of H of all subcarriers included in one or more RBs.
  • the base station obtains a mapping relationship between the physical antenna of the base station and the CRS port (which may include two CRS ports, which are CRS port 1 and CRS port 2 respectively) from the Operation and Maintenance Center (OMC), and obtains the physical antenna of the base station.
  • OMC Operation and Maintenance Center
  • the mapping relationship with the CRS port that is, in the multi-antenna system, since the number of cell ports is smaller than the number of physical antennas, it is necessary to know which antennas correspond to CRS port 1, and which antennas correspond to CRS port 2.
  • step 240 the power or phase on all physical antennas is calculated according to H, and the power difference or phase difference of the corresponding antennas of different ports is calculated according to the mapping relationship between the physical antenna of the base station and the CRS port.
  • the corresponding antenna power of different CRS ports in step 240 may be calculated as follows.
  • the method includes steps 41-1 to 41-3.
  • step 41-2 the absolute value ⁇ P of the antenna power difference in the different CRS ports is calculated.
  • ⁇ P(Ind)
  • the above formula represents a cyclic index, that is, the absolute value of the antenna power subtraction corresponding to each antenna of one port and another port.
  • step 41-3 the mean value p of the antenna power difference between different CRS ports is calculated, and the mean p can be calculated by the following formula:
  • n the number of antennas corresponding to the same CRS port.
  • the calculated power difference in step 240 may also first calculate the power sum of the antennas in the same CRS port, and then calculate the power difference of the different CRS ports.
  • the calculation of the phase difference in step 240 may include steps 42-1 through 42-3.
  • step 42-2 the absolute value ⁇ Angle of the phase difference on the antenna between the different CRS ports is calculated.
  • ⁇ Angle(Ind)
  • index1 represents an antenna index corresponding to CRS port 1
  • index2 represents an antenna index corresponding to CRS port 2.
  • step 42-3 the mean value ⁇ of the phase difference is calculated, and the mean value ⁇ can be calculated by the following formula:
  • n the number of antennas corresponding to the same CRS port.
  • step 250 the calculated difference (power difference or phase difference) is compared to a known threshold. If the calculated difference is greater than the known threshold, it is determined that the antenna polarization type of the terminal is ⁇ 45° polarization. If the calculated difference is not greater than the known threshold, it is determined that the antenna polarization type of the terminal is vertical. Polarized or dual polarized.
  • the number of CRS ports is two.
  • the number of CRS ports is four, according to the mapping relationship between the CRS port and the antenna in the foregoing embodiment, the two CRS ports correspond to the first polarization mode, and the remaining two CRSs.
  • the port corresponds to the second polarization mode.
  • CRS port 1 and CRS port 2 correspond to the first polarization mode
  • CRS port 3 and CRS port 4 correspond to the second antenna polarization mode.
  • One CRS port may be selected from two CRS ports corresponding to the same polarization mode, such as selecting one CRS port in CRS port 1 and CRS port 2 corresponding to the first polarization mode, and corresponding to the second antenna pole Select one CRS port from the CRS port 3 and the CRS port 4 in the mode, and perform the calculation in the above embodiment according to the two CRS ports selected by the two CRS ports, or two CRS ports corresponding to the same polarization mode.
  • the average of the parameters is taken as the parameters of the two CRS ports, respectively, and is calculated according to the method in the above embodiment.
  • LTE TDD Long Term Evolution Time Division Duplexing
  • Embodiments of the present disclosure also provide a flow of a method for estimating an antenna polarization type of a terminal by power, As shown in FIG. 6, the method may include the following steps 610 to 680.
  • the base station calculates an uplink channel estimate H K*8 (frequency domain), the dimension of H is K*8, K is the number of subcarriers, and 8 is the number of base station antennas. If the result of the uplink channel estimation is the channel estimate obtained by the SRS, K is related to the system bandwidth; if the result of the uplink channel estimation is obtained by the DMRS, K is related to the resource allocated by the user.
  • the H of each subcarrier of a user may be optionally averaged or accumulated in units of RBs in step 610. It is assumed that K subcarriers in the base station H are averaged or accumulated according to the above method to obtain M resource groups (M is a positive integer).
  • the base station obtains a mapping bitmap of the base station physical antenna and the CRS port (which may be two CRS ports, respectively, port 1 and port 2) from the OMC, and obtains a mapping relationship between the physical antenna of the base station and the CRS port, where the antenna 1 Antenna 4 is a positive 45 degree polarization direction, corresponding to port 1; antenna 5 - antenna 8 is a negative 45 degree polarization direction, corresponding to port 2.
  • the mapping relationship is represented by H as follows.
  • step 640 an antenna power difference ⁇ P within a different CRS port on one resource block is calculated.
  • step 650 the mean value p of the antenna power difference between different CRS ports on one resource block is calculated, and the calculation formula is as follows:
  • the power difference p of the M resource groups is repeatedly calculated, and the M resource groups are averaged to obtain the mean value of the power differences.
  • step 660 the calculated power difference mean Compare with known thresholds. Mean value of power difference If the threshold is greater than the threshold, perform step 670, the average power difference If it is not greater than the threshold, step 680 is performed.
  • step 670 it is determined that the antenna polarization type of the terminal is ⁇ 45° polarization.
  • step 680 it is determined that the antenna polarization type of the terminal is vertical polarization or vertical horizontal dual polarization.
  • Embodiments of the present disclosure also provide a flow of a method of estimating an antenna polarization type of a terminal by phase, as shown in FIG. 7, the method including steps 710 to 750.
  • the base station calculates an uplink channel estimate H K*8 (frequency domain), the dimension of H is K*8, K is the number of subcarriers, and 8 is the number of base station antennas. If the result of the uplink channel estimation is the channel estimate obtained by the SRS, K is related to the system bandwidth; if the result of the uplink channel estimation is obtained by the DMRS, K is related to the resource allocated by the user.
  • the uplink channel estimate H for each subcarrier of a user in step 710 may be optionally averaged or accumulated in units of RBs. It is assumed that the K subcarriers in the base station uplink channel estimation H are averaged or accumulated according to the above method to obtain M resource groups (M is a positive integer).
  • the base station obtains a mapping bitmap of the base station physical antenna and the CRS port (which may be two and CRS ports, respectively, port 1 and port 2) from the OMC, and obtains a mapping relationship between the physical antenna of the base station and the CRS port.
  • antenna 1 - antenna 4 is a positive 45 degree polarization direction, corresponding to port 1
  • antenna 5 - antenna 8 is a negative 45 degree polarization direction, corresponding to port 2.
  • the mapping relationship is represented by H as follows:
  • H port1 H(k, 1:4)
  • H port2 H(k, 5:8).
  • step 740 calculating a phase difference ⁇ Angle on the corresponding antenna in different CRS ports on one resource block
  • step 750 the mean ⁇ of the phase difference on a resource group is calculated, ie
  • n the number of antennas corresponding to the same CRS port.
  • M represents the number of resource blocks.
  • step 760 the calculated phase difference ⁇ is compared to a known threshold. In the case where ⁇ is greater than the threshold value, step 770 is performed, and if ⁇ is not greater than the threshold value, step 780 is performed.
  • step 770 it is determined that the antenna polarization type of the terminal is ⁇ 45° polarization.
  • step 780 it is determined that the antenna polarization type of the terminal is vertical polarization or vertical horizontal dual polarization.
  • the present disclosure also provides a non-transitory computer readable storage medium storing computer executable instructions arranged to perform the method of any of the above embodiments.
  • the present disclosure also provides a schematic structural diagram of an electronic device.
  • the electronic device includes:
  • At least one processor 80 which is exemplified by a processor 80 in FIG. 8; and a memory 81, may further include a communication interface 82 and a bus 83.
  • the processor 80, the communication interface 82, and the memory 81 can complete communication with each other through the bus 83.
  • Communication interface 82 can be used for information transfer.
  • Processor 80 can invoke logic instructions in memory 81 to perform the methods of the above-described embodiments.
  • logic instructions in the memory 81 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium.
  • the memory 81 is used as a computer readable storage medium for storing software programs, computer executable programs, and program instructions/modules corresponding to the methods in the embodiments of the present disclosure.
  • the processor 80 executes the function application and the data processing by executing the software programs, the instructions, and the modules stored in the memory 81, that is, the method for determining the antenna polarization type in the above method embodiments.
  • the memory 81 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to use of the terminal device, and the like. Further, the memory 81 may include a high speed random access memory, and may also include a nonvolatile memory.
  • a storage medium includes one or more instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present disclosure.
  • the foregoing storage medium may be a non-transitory storage medium, including: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like.
  • the method, device and base station for determining the antenna polarization type provided by the embodiments of the present disclosure improve system performance, so that the characteristics of the polarized antenna can be utilized to obtain the maximum received power.

Abstract

L'invention concerne un procédé et un appareil de détermination du type de polarisation d'une antenne, et une station de base. Le procédé consiste à : obtenir une relation de mappage entre des antennes physiques et des ports CRS d'une station de base ; déterminer des magnitudes de référence correspondant aux antennes physiques d'après une valeur d'estimation de canal de liaison montante, déterminer des différences de magnitudes de référence entre les différents ports CRS d'après les magnitudes de référence et la relation de mappage, et déterminer une valeur moyenne des différences de magnitudes de référence entre les différents ports CRS d'après les différences de magnitudes de référence, les magnitudes de référence comprenant des valeurs de puissance et/ou des valeurs de phase ; et comparer la valeur moyenne des différences de magnitudes de référence à un seuil prédéterminé, afin de déterminer le type de polarisation d'une antenne d'un équipement d'utilisateur.
PCT/CN2016/100610 2016-01-04 2016-09-28 Procédé et appareil de détermination de type de polarisation d'antenne, et station de base WO2017118117A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610004652.1 2016-01-04
CN201610004652.1A CN106941681B (zh) 2016-01-04 2016-01-04 一种确定天线极化类型的方法、装置及基站

Publications (1)

Publication Number Publication Date
WO2017118117A1 true WO2017118117A1 (fr) 2017-07-13

Family

ID=59273212

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/100610 WO2017118117A1 (fr) 2016-01-04 2016-09-28 Procédé et appareil de détermination de type de polarisation d'antenne, et station de base

Country Status (2)

Country Link
CN (1) CN106941681B (fr)
WO (1) WO2017118117A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110851985A (zh) * 2019-11-14 2020-02-28 重庆大学 一种电磁波极化判决方法
CN111385002A (zh) * 2018-12-29 2020-07-07 中兴通讯股份有限公司 一种空分复用方法及系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110493831B (zh) * 2019-07-30 2021-09-28 维沃移动通信有限公司 一种功率确定方法及终端设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050143037A1 (en) * 2003-12-23 2005-06-30 Glafkos Stratis Adaptive diversity antenna system
CN102404028A (zh) * 2010-09-07 2012-04-04 普天信息技术研究院有限公司 一种波束赋形方法
CN103249080A (zh) * 2012-02-03 2013-08-14 中国移动通信集团公司 一种确定基站的天线校准系数的方法、系统以及装置
CN104218982A (zh) * 2013-05-31 2014-12-17 华为技术有限公司 确定下行信道状态信息的方法和装置
WO2015019776A1 (fr) * 2013-08-06 2015-02-12 株式会社Ｎｔｔドコモ Appareil de station de base radio et procédé de planification

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012044434A (ja) * 2010-08-19 2012-03-01 Nippon Telegr & Teleph Corp <Ntt> 偏波追尾アンテナ装置およびそのｒｆ特性変動補償方法
JP2014204305A (ja) * 2013-04-05 2014-10-27 株式会社Ｎｔｔドコモ 無線通信システム、無線基地局装置、およびユーザ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050143037A1 (en) * 2003-12-23 2005-06-30 Glafkos Stratis Adaptive diversity antenna system
CN102404028A (zh) * 2010-09-07 2012-04-04 普天信息技术研究院有限公司 一种波束赋形方法
CN103249080A (zh) * 2012-02-03 2013-08-14 中国移动通信集团公司 一种确定基站的天线校准系数的方法、系统以及装置
CN104218982A (zh) * 2013-05-31 2014-12-17 华为技术有限公司 确定下行信道状态信息的方法和装置
WO2015019776A1 (fr) * 2013-08-06 2015-02-12 株式会社Ｎｔｔドコモ Appareil de station de base radio et procédé de planification

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111385002A (zh) * 2018-12-29 2020-07-07 中兴通讯股份有限公司 一种空分复用方法及系统
CN110851985A (zh) * 2019-11-14 2020-02-28 重庆大学 一种电磁波极化判决方法
CN110851985B (zh) * 2019-11-14 2024-02-06 重庆大学 一种电磁波极化判决方法

Also Published As

Publication number Publication date
CN106941681B (zh) 2020-03-31
CN106941681A (zh) 2017-07-11

Similar Documents

Publication Publication Date Title
CN114424623A (zh) 基于机器学习的信道估计
JP2022166118A (ja) 基地局、端末デバイス及び方法
WO2017118117A1 (fr) Procédé et appareil de détermination de type de polarisation d&#39;antenne, et station de base
CN110495219B (zh) 上行功率控制方法、设备及系统
TWI655873B (zh) 用於傳送功率控制的方法與裝置
WO2015135397A1 (fr) Station de base et procédé de formation de faisceaux
CN107171981B (zh) 通道校正方法及装置
WO2015184949A1 (fr) Procédé et dispositif de détection d&#39;un signal dans un système de liaison montante lte en cas de brouillage
WO2020134611A1 (fr) Procédé et appareil de détermination de décalage doppler
WO2019010714A1 (fr) Procédé et dispositif de formation de faisceau
WO2014135044A1 (fr) Procédé d&#39;étalonnage d&#39;antenne et unité de bande de base
KR102402436B1 (ko) 소형 셀 간섭 조정 방법 및 무선 통신 디바이스
WO2023140852A1 (fr) Appareil et procédé mettant en œuvre une estimation de décalage de fréquence
WO2015161508A1 (fr) Procédé et dispositif d&#39;estimation de réponse de canal d&#39;autobrouillage de bande de base
JP6561471B2 (ja) 通信装置、通信方法、及び通信プログラム
CN106559119B (zh) 用于大规模天线虚拟扇区赋形的方法、基站和系统
CN111328088B (zh) 一种prach检测方法及装置
WO2017118079A1 (fr) Procédé et dispositif de formation de faisceau à double flux et station de base
KR20140107998A (ko) 신호 감지 방법 및 장치
CN108400947B (zh) 干扰噪声协方差矩阵估计方法、装置及系统
WO2017118111A1 (fr) Procédé et dispositif de détection de signaux
CN116055260A (zh) 信道估计方法及装置、存储介质、终端设备、网络设备
CN108028822B (zh) 用于在通信系统中执行信道解码操作的装置和方法
CN114039820A (zh) 波束赋形的方法、装置、基站及计算机可读存储介质
Liang et al. The research on random access signal detection algorithm in LTE systems

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16883247

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16883247

Country of ref document: EP

Kind code of ref document: A1