CN106604285B

CN106604285B - Interference processing method, terminal, base station and interference processing system

Info

Publication number: CN106604285B
Application number: CN201510665990.5A
Authority: CN
Inventors: 韩亚洁; 秦洪峰; 陈琼
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2015-10-15
Filing date: 2015-10-15
Publication date: 2022-01-25
Anticipated expiration: 2035-10-15
Also published as: WO2016197920A1; CN106604285A

Abstract

The invention discloses an interference processing method, a terminal, a base station and an interference processing system, wherein the method comprises the following steps: a base station of the network determines and sends shared bandwidth information of a different network and the network in a wireless network spectrum sharing system; the method comprises the steps that a terminal of a network acquires shared bandwidth information in a wireless network spectrum sharing system, and according to an interference suppression strategy, interference suppression processing is carried out on data received through a shared bandwidth corresponding to the shared bandwidth information of the network. Through the implementation of the invention, the terminal of the network can quickly and accurately find the specific position of the shared bandwidth in the transmission bandwidth of the network by acquiring the shared bandwidth information of the different network and the network in the wireless network spectrum sharing system determined and sent by the base station of the network, thereby determining the interference source, and then carrying out interference suppression processing on the data received through the shared bandwidth according to the interference suppression strategy, suppressing the interference of the different network on the shared bandwidth of the network, ensuring the communication quality of the network and the demodulation performance of the physical channel in the wireless network spectrum sharing system, and greatly improving the user experience.

Description

Interference processing method, terminal, base station and interference processing system

Technical Field

The present invention relates to the field of wireless communications, and in particular, to an interference processing method, a terminal, a base station, and an interference processing system.

Background

With the development of wireless communication technology, people use data transmission services more and more, so that the demand for frequency band resources is greater and greater, and a network spectrum resource sharing technology is provided for improving the utilization rate of a limited network spectrum.

The network spectrum resource sharing refers to that shared spectrum allocation is realized between two different communication networks, namely the local network a and the different network B, so that the two different communication networks can transmit data by using the same spectrum resource at the same time, but when the network spectrum resource sharing technology is used, the situation of mutual interference occurs between the two different communication networks, the communication quality is influenced, the measurement of a channel is influenced, the adaptive modulation and coding process of a base station is influenced, and extremely bad influence is caused on communication.

Therefore, it is an urgent problem to provide a solution that can suppress mutual interference between two communication networks and improve communication quality when network spectrum resources are shared.

Disclosure of Invention

The main technical problem to be solved by the present invention is to provide an interference processing method, a terminal, a base station and an interference processing system, which solve the problems of poor communication quality, inaccurate channel measurement and poor adaptive modulation and coding performance caused by mutual interference between shared networks when network spectrum resources are shared in the prior art.

To solve the above technical problem, the present invention provides an interference processing method, including:

acquiring shared bandwidth information of a different network and a network in a wireless network spectrum sharing system;

and according to the interference suppression strategy, performing interference suppression processing on the data received by the shared bandwidth corresponding to the shared bandwidth information through the network.

Further, acquiring the shared bandwidth information of the different network and the local network in the wireless network spectrum sharing system includes: and receiving the transmission bandwidth information and the air interface parameter information of the network, and determining the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

Further, the air interface parameter information includes channel information and frequency band information of the shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located in the transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located in the channel; determining the specific location of the shared bandwidth within the transmission bandwidth of the network comprises: and determining a channel of the shared bandwidth in the transmission bandwidth of the network according to the channel information, and determining a frequency band of the shared bandwidth in the channel according to the frequency band information.

Further, the interference processing method further includes: and acquiring a local interference suppression strategy or acquiring an interference suppression strategy sent by other equipment.

Further, after performing interference suppression processing on data received through a shared bandwidth corresponding to the shared bandwidth information in the present network according to the interference suppression policy, the method further includes: and measuring the channel state of the network by adopting a sub-band measuring mode, and reporting the measuring result of the transmission bandwidth except the shared bandwidth in the network.

Further, performing interference suppression processing on data received through a shared bandwidth corresponding to the shared bandwidth information in the present network according to the interference suppression policy includes: and setting the data received by the network sharing bandwidth to zero.

Further, after setting the data received through the shared bandwidth of the network to zero, performing interference suppression processing on the data received through the shared bandwidth corresponding to the shared bandwidth information of the network according to the interference suppression policy further includes: and determining the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

The invention also provides an interference processing method, which comprises the following steps:

determining shared bandwidth information of a different network and a network in a wireless network spectrum sharing system;

and sending the shared bandwidth information of the different network and the local network.

Further, sending the shared bandwidth information of the network includes: transmitting transmission bandwidth information and air interface parameter information of the network; the air interface parameter information includes: channel information and frequency band information of a shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located within the transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located within the channel.

Further, the interference processing method further includes: receiving a measurement result, wherein the measurement result is the measurement result of the transmission bandwidth except the shared bandwidth in the network, which is obtained by the terminal through sub-band measurement; and performing adaptive modulation and coding processing according to the measurement result.

Further, the interference processing method further includes: transmitting an interference suppression strategy, the interference suppression strategy comprising: the terminal of the network sets the data received by the shared bandwidth corresponding to the shared bandwidth information through the network to zero; the terminal of the network determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

a base station of the network determines and sends shared bandwidth information of a different network and the network in a wireless network spectrum sharing system;

the terminal of the network acquires shared bandwidth information in a wireless network spectrum sharing system, and performs interference suppression processing on data received through the shared bandwidth corresponding to the shared bandwidth information of the network according to an interference suppression strategy.

Further, the determining and sending, by the base station of the local network, the shared bandwidth information of the different network and the local network in the wireless network spectrum sharing system includes: a base station of the network determines and sends transmission bandwidth information and air interface parameter information of the network; the method for acquiring the shared bandwidth information in the wireless network spectrum sharing system by the terminal of the network comprises the following steps: the terminal of the network receives the transmission bandwidth information and the air interface parameter information of the network, and determines the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

Further, the interference processing method further includes: the terminal of the network measures the channel state of the network by adopting a sub-band measuring mode and reports the measuring result of the transmission bandwidth except the shared bandwidth in the network; and the base station receives the measurement result and performs adaptive modulation and coding processing according to the measurement result.

Further, the interference processing method also comprises that a base station of the network sends an interference suppression strategy; the terminal of the network performs interference suppression processing on the data received by the shared bandwidth corresponding to the shared bandwidth information according to the interference suppression strategy, and the interference suppression processing comprises the following steps: the terminal of the network sets the data received by the shared bandwidth of the network to zero, and the terminal of the network determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

The present invention also provides a terminal, comprising:

the acquisition module is used for acquiring shared bandwidth information of a heterogeneous network and a local network in the wireless network spectrum sharing system;

and the interference suppression module is used for performing interference suppression processing on the data received by the shared bandwidth corresponding to the shared bandwidth information through the network according to the interference suppression strategy.

Further, the acquisition module includes: the receiving submodule is used for receiving the transmission bandwidth information and the air interface parameter information of the network; and the positioning submodule is used for determining the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

Further, the air interface parameter information includes channel information and frequency band information of the shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located in the transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located in the channel; the positioning sub-module comprises a channel positioning sub-module and a frequency band positioning sub-module, the channel positioning sub-module is used for determining a channel of the shared bandwidth in the transmission bandwidth of the network according to the channel information, and the frequency band positioning sub-module is used for determining a frequency band of the shared bandwidth in the channel according to the frequency band information.

Further, the terminal further includes an interference suppression policy obtaining module, configured to obtain a local interference suppression policy or obtain an interference suppression policy sent by another device.

Furthermore, the terminal also comprises a measuring module for measuring the channel state of the network by adopting a sub-band measuring mode and reporting the measuring result of the transmission bandwidth except the shared bandwidth in the network.

Further, the interference suppression module includes an interference suppression submodule configured to set zero to data received through the shared bandwidth of the network.

Furthermore, the interference suppression module further comprises a channel estimation module, configured to determine a channel estimation result of the shared bandwidth of the local network according to a channel estimation result of an adjacent frequency band of the shared bandwidth of the local network after zeroing data received through the shared bandwidth of the local network.

The present invention also provides a base station, comprising:

the determining module is used for determining shared bandwidth information of a different network and the network in the wireless network spectrum sharing system;

and the sending module is used for sending the shared bandwidth information of the different network and the network.

Further, the sending module comprises a first sending submodule for sending the transmission bandwidth information and the air interface parameter information of the network; the air interface parameter information includes: channel information and frequency band information of a shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located within the transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located within the channel.

Further, the base station also comprises a receiving module, configured to receive a measurement result, where the measurement result is a measurement result of a transmission bandwidth except for a shared bandwidth in the network, obtained by the terminal through sub-band measurement; and performing adaptive modulation and coding processing according to the measurement result.

Further, the sending module includes a second sending submodule, configured to send an interference suppression policy, where the interference suppression policy includes: the terminal of the network sets the data received by the shared bandwidth corresponding to the shared bandwidth information through the network to zero; the terminal of the network determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

The present invention also provides an interference processing system, including:

the base station is used for determining and sending the shared bandwidth information of the different network and the network in the wireless network spectrum sharing system by the network;

and the terminal is used for acquiring the shared bandwidth information of the different network and the network of the wireless network spectrum sharing system by the network, and performing interference suppression processing on the data received through the shared bandwidth corresponding to the shared bandwidth information by the network according to an interference suppression strategy.

Further, the base station is used for determining and sending the transmission bandwidth information and the air interface parameter information of the network; the terminal is used for receiving the transmission bandwidth information and the air interface parameter information of the network, and determining the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

Furthermore, the terminal is further configured to measure the channel state of the network by using a sub-band measurement method, and report the measurement result of the transmission bandwidth except the shared bandwidth in the network, and the base station is further configured to receive the measurement result and perform adaptive modulation and coding processing according to the measurement result.

Further, the base station is also used for sending an interference suppression strategy; the terminal carries out interference suppression processing on the data received by the shared bandwidth corresponding to the shared bandwidth information through the network according to the interference suppression strategy, and the interference suppression processing comprises the following steps: the terminal sets the data received by the shared bandwidth of the network to zero, and the terminal determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

The invention has the beneficial effects that:

the invention provides an interference processing method, a terminal, a base station and an interference processing system, wherein the base station of the network determines and sends a different network in a wireless network spectrum sharing system and a shared bandwidth message of the network, the information can help the terminal to quickly determine the position of the shared bandwidth in the transmission bandwidth of the network, the terminal of the network acquires the shared bandwidth information of the network in the wireless network spectrum sharing system, and carries out interference suppression processing on data received through the shared bandwidth corresponding to the shared bandwidth information of the network according to an interference suppression strategy, thereby suppressing the influence of the interference generated by the different network in the shared bandwidth on the physical channel demodulation performance of the network and improving the communication quality.

Furthermore, after the terminal of the local network determines the position of the shared bandwidth in the local network, the interference of the terminal on the local network is reduced by adopting a mode of setting the data received by the shared bandwidth of the local network to zero, so that a good effect of suppressing the interference is achieved.

Furthermore, the terminal of the network measures the channel state of the network by adopting a sub-band measurement mode, and reports the measurement result of the transmission bandwidth except the shared bandwidth in the network; the base station receives the measurement result and performs adaptive modulation and coding processing according to the measurement result, thereby ensuring that the adaptive modulation and coding performance of the terminal is excellent, reducing the error rate and improving the communication quality.

Drawings

Fig. 1 is a schematic flowchart of an interference processing method according to an embodiment of the present invention;

fig. 2 is a schematic flowchart of an interference processing method according to a second embodiment of the present invention;

fig. 3 is a schematic flowchart of an interference processing method according to a third embodiment of the present invention;

fig. 4 is a schematic structural diagram of an interference processing system according to a fourth embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

The first embodiment is as follows:

in order to solve the problems of poor communication quality, inaccurate channel measurement and poor adaptive modulation and coding performance caused by mutual interference among shared networks when network spectrum resources are shared in the prior art, the invention provides an interference processing method, which can reduce the influence of the demodulation performance of a physical channel interfering with the network, improve the communication quality and ensure the adaptive modulation and coding performance, and the method please refer to fig. 1 and comprises the following steps:

s101: a base station of the network determines and sends shared bandwidth information of a different network and the network in a wireless network spectrum sharing system;

s102: the terminal of the network acquires shared bandwidth information in a wireless network spectrum sharing system, and performs interference suppression processing on data received through the shared bandwidth corresponding to the shared bandwidth information of the network according to an interference suppression strategy.

Preferably, in S101, the determining and transmitting, by the base station of the local network, the shared bandwidth information of the different network and the local network in the wireless network spectrum sharing system includes: the base station determines and transmits the transmission bandwidth information and the air interface parameter information of the network.

Preferably, the step S102 of acquiring, by the terminal of the local network, shared bandwidth information in the spectrum sharing system of the wireless network includes: the terminal receives the transmission bandwidth information and the air interface parameter information of the network, and determines the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

Preferably, the base station of the present network also sends an interference suppression strategy; the terminal of the network performs interference suppression processing on the data received by the shared bandwidth corresponding to the shared bandwidth information according to the interference suppression strategy, and the interference suppression processing comprises the following steps: the terminal of the network sets the data received by the shared bandwidth of the network to zero, and the terminal of the network determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

Preferably, after the interference suppression processing, the terminal measures the channel state of the network in a sub-band measurement manner, and reports the measurement result of the transmission bandwidth except the shared bandwidth in the network; and the base station receives the measurement result and performs adaptive modulation and coding processing according to the measurement result.

The beneficial effect of this embodiment is: the embodiment provides an interference processing method, wherein a base station of a network determines and sends shared bandwidth information of a different network and the network in a wireless network spectrum sharing system; the terminal of the network acquires the shared bandwidth information of the network in the wireless network spectrum sharing system, and performs interference suppression processing on data received through the shared bandwidth corresponding to the shared bandwidth information of the network according to an interference suppression strategy. The terminal quickly determines the specific position of the shared bandwidth in the transmission bandwidth of the network according to the information of the shared bandwidth sent by the base station, namely, quickly determines an interference source, and then carries out interference suppression processing on data received through the shared bandwidth according to a received interference suppression strategy, and after the interference suppression processing, the interference of the different network on the shared bandwidth to the network is suppressed, so that the demodulation performance of the physical channel of the network is ensured, the communication quality is also ensured, and the user experience is greatly improved.

Example two:

referring to fig. 2, the present embodiment provides an interference processing method, including:

s201: acquiring shared bandwidth information of a different network and a network in a wireless network spectrum sharing system;

s202: and according to the interference suppression strategy, performing interference suppression processing on the data received by the shared bandwidth corresponding to the shared bandwidth information through the network.

Preferably, the acquiring the shared bandwidth information of the different network and the local network in the wireless network spectrum sharing system in S201 includes: and receiving the transmission bandwidth information and the air interface parameter information of the network, and determining the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

Preferably, the transmission bandwidth information includes information about a specific size of a transmission bandwidth used by the network for transmitting data in the wireless network spectrum sharing system, for example, information about a transmission bandwidth of the network being 10M or 20M, and after the size of the transmission bandwidth of the network is known, a specific location of the shared bandwidth in the transmission bandwidth of the network can be determined according to the received information about the air interface parameter.

Preferably, the air interface parameter information includes, but is not limited to, channel information of the shared bandwidth and frequency band information, the channel information is used to determine a channel where the shared bandwidth is located within the transmission bandwidth of the local network, i.e. it can be derived from the channel information which channel the shared bandwidth is located on the transmission bandwidth of the local network, and what the corresponding transmission bandwidth range is, the frequency band information is used to determine a frequency band where the shared bandwidth is located within the channel, i.e. it can be derived from the frequency band information which shared bandwidth within the transmission bandwidth determined by the channel information is specifically within which frequency band within the channel, and what the corresponding frequency band range is, then it can be determined from the received channel information which channel the shared bandwidth is specifically within the transmission bandwidth of the local network, and then it can be determined from the frequency band information which frequency band within the channel the shared bandwidth is, of course, the above process is based on the formulation and interpretation rules that both the receiving end and the transmitting end know the channel information and the frequency band information.

The following illustrates the formulation and interpretation rules of the channel information and the frequency band information, and the LTE network is the present network in the following example.

Defining LTE air interface parameter information, wherein E-UTRA channel number with shared band (E-UTRA shared bandwidth channel number) carries shared bandwidth channel number information, and E-UTRA frequency number with shared band (E-UTRA shared bandwidth band number) carries shared band broadband number position.

The shared bandwidth channel number information is configured by a parameter E-UTRA channel numbers with shared bands. Table 1 defines CI (Channel Information) having a bit width of 10 bits, i.e., a9a8a7a6a5a4a3a2a1a0, corresponding to 10 Channel intervals, and a corresponding field of 1 in CI indicates a shared bandwidth Channel position, where each bit represents a 2MHz Channel interval. Table 1 below is the definition and meaning of CI in the air interface parameters message:

CI	channel spacing (MHz)
		a0	0～2
a1	2～4
		a2	4～6
a3	6～8
		a4	8～10
a5	10～12
		a6	12～14
a7	14～16
		a8	16～18
a9	18～20

TABLE 1

The shared bandwidth band number information is configured by a parameter E-UTRA frequency number with shared band. Table 2 defines FI (Frequency Information), which is 20 bits wide, i.e. b19b18b17b16b15b14b13b12b11b10b9b8b7b6b5b4b3b2b1b0, corresponding to 20 band intervals, and the corresponding field of 1 in FI indicates the shared bandwidth band position, where each bit represents a 100kHz band interval. In table 2 below is the FI definition and meaning of the air interface parameters message.

FI	Band gap (kHz)
		b0	0～100
b1	100～200
		b2	200～300
b3	300～400
		b4	400～500
b5	500～600
		b6	600～700
b7	700～800
		b8	800～900
b9	900～1000
		b10	1000～1100
b11	1100～1200
		b12	1200～1300
b13	1300～1400
		b14	1400～1500
b15	1500～1600
		b16	1600～1700
b17	1700～1800
		b18	1800～1900
b19	1900～2000

TABLE 2

The channel interval configured as 1 in CI is configured with one FI. The SBFI (Shared bandwidth information) of the heterogeneous network can be indicated through the two configurations of CI and FI. Based on the known bandwidth BW of the LTE system, the SBFL (Shared band frequency location) of the Shared band in the LTE system is determined.

Preferably, the interference processing method of this embodiment further includes obtaining an interference suppression policy for performing subsequent interference suppression processing, where the method of obtaining the interference suppression policy is not limited, and may be obtaining a local interference suppression policy, or obtaining an interference suppression policy sent by another device, or even obtaining an interference suppression policy directly input by a user.

In this embodiment, the heterogeneous network generates interference to the local network at the shared bandwidth of the local network, which affects the physical channel demodulation performance of the local network, and in order to avoid such interference, preferably, after knowing the specific location of the shared bandwidth in the transmission bandwidth of the local network and the interference suppression policy, the interference suppression processing may be performed on the data received through the shared bandwidth according to the interference suppression policy, so as to ensure that when subsequent operations such as physical channel demodulation are performed, only the data received through the transmission bandwidth of the local network except the shared bandwidth exists, and this effect may be achieved by: data received through the shared bandwidth of the network is zeroed.

The data transmitted via the shared bandwidth includes control channel data, traffic channel data, reference channel data, and the like of the own network, and therefore, after the zeroing operation, data such as reference channel data of the own network transmitted via the shared bandwidth is missing, and the missing of the data has an influence on the demodulation performance of the physical channel of the own network, and therefore, it is preferable that the interference suppression processing procedure after the zeroing operation further includes determining a channel estimation result of the shared bandwidth of the own network based on a channel estimation result of an adjacent band of the shared bandwidth of the own network, and the determining procedure has various implementations, for example, directly replacing the channel estimation result of the shared bandwidth of the own network with the channel estimation result of the adjacent band of the shared bandwidth of the own network, and the channel estimation result may be a channel estimation result based on a pilot sequence, or a channel estimation result obtained by a frequency domain interpolation algorithm.

Preferably, after the interference suppression processing, the obtained data is subjected to resource de-mapping, equalization, demodulation, and decoding processing to obtain a desired result.

Preferably, in order to ensure the AMC (Adaptive Modulation and Coding) performance of the receiving end, the base station can select an appropriate Modulation and Coding scheme to send data according to the wireless channel variation of the network, and the terminal needs to perform channel state measurement on the transmission channel of the network and report the measurement result to the receiving end, so that the base station performs AMC processing according to the measurement result.

Preferably, the measurement mode of the base station includes a mode of broadband measurement or sub-band measurement, that is, measurement is performed on the entire transmission bandwidth, or measurement is performed according to a granularity unit, and then a measurement result of the transmission bandwidth except for the shared bandwidth in the network is selected to be reported. The reported measurement result at least comprises the following three parameters: RI (Rank Indication), PMI (Precoding Matrix Indicator) and CQI (Channel Quality Indicator).

The beneficial effect of this embodiment is: the embodiment provides an interference processing method, which finds a specific position of a shared bandwidth in a transmission bandwidth of a local network by obtaining shared bandwidth information of the local network in a wireless network spectrum sharing system, and performs interference suppression processing on data received through the local network and the shared bandwidth corresponding to the shared bandwidth information according to an interference suppression strategy, after the interference suppression processing, interference generated by a different network on the local network through the shared bandwidth of the local network is suppressed, demodulation performance, communication quality and the like of a physical channel of the local network can be guaranteed, and user experience is greatly improved.

Example three:

the present embodiment provides a method for processing interference, please refer to fig. 3, which includes:

s301: determining shared bandwidth information of a different network and a network in a wireless network spectrum sharing system;

s302: and sending the shared bandwidth information of the different network and the local network.

Preferably, the sending of the shared bandwidth information of the heterogeneous network and the local network includes sending transmission bandwidth information and air interface parameter information of the local network.

Preferably, the transmission bandwidth information includes specific size information of a transmission bandwidth used by the network for transmitting data in the wireless network spectrum sharing system, for example, information of a transmission bandwidth of 10M or 20M, so that the terminal can determine a specific location of the shared bandwidth in the transmission bandwidth of the network according to the received air interface parameter information after knowing the size of the transmission bandwidth.

Preferably, the air interface parameter information includes, but is not limited to, channel information of the shared bandwidth and frequency band information, the channel information is used to determine a channel where the shared bandwidth is located within the transmission bandwidth of the network, and the frequency band information is used to determine a frequency band where the shared bandwidth is located within the channel.

Preferably, the interference suppression method in this embodiment further includes: the method comprises the steps that the terminal sets the data received by the shared bandwidth of the network to zero, and the receiving end determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

Preferably, in order for the base station to select a suitable modulation and coding scheme to transmit data according to the wireless channel variation of the network and ensure the AMC performance of the terminal, the base station should also receive the measurement result of the terminal, and then perform adaptive modulation and coding processing according to the measurement result.

The beneficial effect of this embodiment is: the embodiment provides an interference processing method, which determines and sends shared bandwidth information of a network in a wireless network spectrum sharing system, and helps a terminal to quickly and simply determine the position of a shared bandwidth in a transmission bandwidth of the network, so that an interference source generating interference on the network can be quickly determined, interference suppression processing is performed, and communication quality is guaranteed.

Example four:

the present invention also provides an interference processing system, please refer to fig. 4, which includes:

the base station 2 is used for determining and sending the shared bandwidth information of the different network and the network in the wireless network spectrum sharing system by the network;

the terminal 1 is configured to acquire, by a local network, shared bandwidth information of a different network and the local network in a wireless network spectrum sharing system, and perform interference suppression processing on data received through a shared bandwidth corresponding to the shared bandwidth information of the local network according to an interference suppression policy.

Preferably, the shared bandwidth information of the heterogeneous network and the local network in the wireless network spectrum sharing system, which is determined and transmitted by the base station 2 of the local network, includes: correspondingly, when the terminal 1 of the present network acquires the shared bandwidth information of the different network and the present network in the wireless network spectrum sharing system, the acquired information is the transmission bandwidth information and the air interface parameter information of the present network, and the terminal 1 is further configured to determine the specific location of the shared bandwidth within the transmission bandwidth of the present network according to the received transmission bandwidth information and the air interface parameter information.

Preferably, the air interface parameter information includes, but is not limited to, channel information and frequency band information of the shared bandwidth, where the channel information is used to determine a channel where the shared bandwidth is located within the transmission bandwidth of the local network, and the frequency band information is used to determine a frequency band where the shared bandwidth is located within the channel, and the terminal 1 can determine which channel of the transmission bandwidth of the local network the shared bandwidth is specifically located according to the received channel information, and can determine which frequency band of the channel the shared bandwidth is located according to the frequency band information, that is, determine a specific location of the shared bandwidth within the transmission bandwidth of the local network.

In this embodiment, a different network may generate interference on the network in the shared bandwidth of the network, and affect the demodulation performance of the physical channel of the network, thereby affecting the communication quality of the network, and in order to avoid such interference, the terminal 1 needs to take some measures to suppress the interference, so the terminal 1 needs to know what the specific measures are, preferably, in this embodiment, the base station 2 is used to send an interference suppression policy to the terminal 1, and instruct the terminal 1 to perform interference suppression processing, and of course, in addition to sending the interference suppression policy to the terminal 1 by using the base station 2, the interference suppression policy may be sent to the terminal 1 by using other devices, or the interference suppression policy may be directly input to the terminal 1, or the interference suppression policy may be stored in the terminal 1 so that the terminal 1 can directly invoke the interference suppression policy.

Preferably, the performing, by the terminal 1, interference suppression processing on the data received through the shared bandwidth corresponding to the shared bandwidth information in the present network according to the interference suppression policy includes: the terminal 1 sets the data received by the shared bandwidth of the network to zero; then, the terminal 1 determines the channel estimation result of the shared bandwidth of the own network from the channel estimation result of the adjacent frequency band of the shared bandwidth of the own network. The terminal 1 may determine the channel estimation result of the shared bandwidth of the network in various ways, for example, the terminal 1 directly uses the channel estimation result of the adjacent frequency band of the shared bandwidth of the network to replace the channel estimation result of the shared bandwidth of the network, the channel estimation method adopted by the terminal 1 is not limited, and a channel estimation method based on a pilot sequence may be adopted, or a channel estimation method based on a frequency domain interpolation algorithm may be adopted.

Preferably, the terminal 1 is further configured to perform resource de-mapping, equalization, demodulation, and decoding on the data received through the network transmission bandwidth after performing the interference suppression processing.

Preferably, in order to ensure the AMC performance of the terminal 1, the base station 2 can select a suitable modulation and coding scheme to send data according to the wireless channel variation of the network, and the terminal 1 is further configured to perform channel state measurement on the network and report the measurement result to the base station 2, so that the base station 2 performs AMC processing according to the measurement result.

Preferably, the terminal 1 may select a mode of broadband measurement or sub-band measurement during measurement, that is, measurement is performed on the entire transmission bandwidth or measurement is performed according to a granularity unit, and then a measurement result of a transmission bandwidth in the network except for the shared bandwidth is selected to be reported. The reported measurement result at least comprises the following three parameters, namely RI, PMI and CQI.

The interference processing system in this embodiment includes a terminal 1 and a base station 2, and the following describes the structure and function of the base station 2 and the terminal 1 in detail with reference to fig. 3, where the terminal 1 in this embodiment includes:

an obtaining module 11, configured to obtain shared bandwidth information of a different network and a current network in a wireless network spectrum sharing system;

an interference suppression module 12, configured to perform interference suppression processing on data received through a shared bandwidth corresponding to the shared bandwidth information in the network according to an interference suppression policy;

preferably, the acquisition module 11 comprises: the receiving submodule 111 and the positioning submodule 112, the receiving submodule 111 is used for receiving the transmission bandwidth information and the air interface parameter information of the network; the positioning sub-module 112 is configured to determine a specific location of the shared bandwidth within the transmission bandwidth of the local network according to the transmission bandwidth information and the air interface parameter information.

Preferably, the transmission bandwidth information includes information about a specific size of a transmission bandwidth used by the network for transmitting data in the wireless network spectrum sharing system, for example, information about a transmission bandwidth of 10M or 20M, and after the size of the transmission bandwidth of the network is known, the positioning sub-module 112 may determine a specific position of the shared bandwidth in the transmission bandwidth of the network according to the received information about the air interface parameter.

Preferably, the air interface parameter information includes, but is not limited to, channel information and frequency band information of the shared bandwidth, where the channel information is used to determine a channel where the shared bandwidth is located within the transmission bandwidth of the local network, that is, it can be known from the channel information which channel of the shared bandwidth is located on the transmission bandwidth of the local network, and what the corresponding transmission bandwidth range is, the frequency band information is used to determine a frequency band where the shared bandwidth is located within the channel, that is, it can be known from the frequency band information which channel of the channel determined by the channel information the shared bandwidth is located within, and what the corresponding frequency band range is, then the positioning sub-module 112 can determine which channel of the transmission bandwidth of the local network the shared bandwidth is specifically located according to the received channel information, and then can determine which frequency band of the channel the shared bandwidth is located according to the frequency band information.

Preferably, the present embodiment further includes an interference suppression policy obtaining module 14, configured to obtain an interference suppression policy so as to perform subsequent interference suppression processing, where a manner for obtaining the interference suppression policy by the interference suppression policy obtaining module 14 is not limited, and the method may be directly obtaining a local interference suppression policy, or obtaining an interference suppression policy sent by another device, or even obtaining an interference suppression policy directly input by a user.

In this embodiment, the different network may generate interference on the own network at the shared bandwidth of the own network, and affect the demodulation performance of the physical channel of the own network, thereby affecting the communication quality of the own network, and in order to avoid this interference, preferably, the interference suppression module 12 in this embodiment includes an interference suppression submodule 121 for setting data received through the shared bandwidth of the own network to zero.

The data transmitted through the shared bandwidth of the local network includes data such as control channel data, traffic channel data and reference channel data of the local network, the data received through the transmission bandwidth of the present network is processed by the interference suppression sub-module 121, data such as reference channel data transmitted through the shared bandwidth is lost, the loss of the data has an influence on the demodulation performance of the physical channel of the network, preferably, therefore, the interference suppression module 12 further comprises a channel estimation module 122, configured to, after nulling the data received via the shared bandwidth of the present network, determining the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network, the determination process has a plurality of implementation modes, and the channel estimation result of the shared bandwidth of the network is replaced by the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

Preferably, in order to ensure the Adaptive Modulation and Coding (AMC) performance of the terminal 1, the base station 2 can select an appropriate Modulation and coding scheme to send data according to the wireless channel variation of the network, the terminal 1 needs to measure the channel state of the network and report the measurement result to the base station 2, so that the base station 2 performs AMC processing according to the measurement result, preferably, the processing module 12 includes a measurement module 121 for measuring the channel state of the network by using a sub-band measurement method and reporting the measurement result of the transmission bandwidth except the shared bandwidth in the network, the measurement module 121 can perform measurement by using an appropriate measurement method according to the actual situation, for example, select a wideband measurement, that is, measurement over the entire transmission bandwidth, or select a sub-band measurement method, perform measurement according to a granularity unit, and then select the measurement result of the transmission bandwidth except the shared bandwidth in the network to report, of course, the transmission bandwidth of the network except the shared bandwidth may be measured according to the specific location of the shared bandwidth in the transmission bandwidth of the network, and then the measurement result may be reported. The reported measurement result at least comprises the following three parameters, namely RI, PMI and CQI.

Preferably, the terminal 1 may further include a processing module 13, configured to perform resource de-mapping, equalization, demodulation, and decoding on the data obtained after the interference suppression processing.

The following describes a base station 2 provided in this embodiment with reference to fig. 3, where the base station 2 includes:

a determining module 23, configured to determine shared bandwidth information of a different network and a current network in a wireless network spectrum sharing system;

a sending module 21, configured to send shared bandwidth information of the different network and the local network.

Preferably, the sending module 21 includes a first sending submodule 211, configured to send transmission bandwidth information and air interface parameter information of the network.

Preferably, the air interface parameter information includes: the terminal 1 can determine which channel of the transmission bandwidth of the network the shared bandwidth is specifically located in according to the received channel information, and can determine which frequency band of the transmission bandwidth of the network the shared bandwidth is located in according to the frequency band information.

The channel information and the band information may be established by the base station 2 according to a certain rule or may be directly input to the base station 2, but in either case, the interpretation methods of the two pieces of information are consistent and accurate by the base station 2 and the terminal 1.

Preferably, the sending module 21 in this embodiment includes a second sending submodule 212, configured to send an interference suppression policy, where the interference suppression policy may be formulated by the base station 2 itself, or may be sent to the base station 2 by another device.

The interference suppression strategy is to enable the terminal 1 to perform interference suppression processing on data received through a shared bandwidth in a local network in a wireless network spectrum sharing system, so as to avoid interference with the local network, and preferably, the interference suppression strategy includes that the terminal 1 sets the data received through the shared bandwidth in the local network to zero, and the terminal 1 determines a channel estimation result of the shared bandwidth in the local network according to a channel estimation result of a frequency band adjacent to the shared bandwidth in the local network.

Preferably, in order that the base station 2 can select a suitable modulation and coding scheme to transmit data according to the wireless channel variation of the present network and ensure the AMC performance of the terminal 1, the base station 2 of this embodiment further includes a receiving module 22, configured to receive a measurement result, where the measurement result includes a measurement result of a transmission bandwidth except for a shared bandwidth in the present network, obtained by the terminal through sub-band measurement, and then the base station 2 performs adaptive modulation and coding processing according to the measurement result.

The beneficial effect of this embodiment is: in this embodiment, a base station determines and transmits shared bandwidth information of a network in a wireless network spectrum sharing system, a terminal obtains the shared bandwidth information of the network in the wireless network spectrum sharing system, and performs interference suppression processing on data received through the shared bandwidth corresponding to the shared bandwidth information of the network according to an interference suppression policy. In a wireless network spectrum resource sharing system, a different network interferes with the network on the shared bandwidth of the network, in this embodiment, a terminal receives shared bandwidth information and can quickly and accurately determine the specific position of the shared bandwidth in the transmission bandwidth of the network, and then the terminal performs interference suppression processing on data received through the shared bandwidth according to the obtained specific position of the shared bandwidth, that is, directly performs interference suppression processing on an interference source, so that the interference of the different network on the shared bandwidth of the network on the network is suppressed, the communication quality of the network and the physical channel demodulation performance of the network are ensured, and the user experience is greatly improved.

Example five:

this embodiment provides an application scenario of a specific wireless network spectrum sharing System as an example, and further details an example of the present invention are described, where the wireless network spectrum sharing System in this embodiment is a spectrum sharing System of GSM (Global System for Mobile Communication) and LTE (Long Term Evolution), an LTE network is a local network, a GSM network is an alien network, and a base station is an LTE base station.

Here, it is assumed that the downlink communication scenario is: LTE is 20M system bandwidth, GSM is 2-channel voice, each channel occupies 200kHz frequency band, and frequency band resources are shared with LTE at 200kHz starting from the starting carrier positions of the left and right frequency bands of LTE, namely LTE carriers 1-14 and 1187-1200 (the carrier indexes are counted from 1) are shared frequency bands. There is power control after GSM access, assuming that the power is 15dB higher per RE for GSM to LTE than for LTE. In the foregoing communication scenario, the interference processing procedure includes:

the method comprises the following steps: a base station sends Broadcast information to a terminal through a Physical Broadcast Channel (PBCH);

step two: the terminal detects PBCH, and obtains the transmission bandwidth BW (downlink bandwidth) information of an LTE system, wherein BW is 20M;

step three: the base station sends air interface parameter information CI and FI;

step four: the terminal receives the air interface parameter information CI and FI, determines the GSM shared bandwidth information, and determines the specific position of the LTE and GSM shared bandwidth in the whole transmission bandwidth by combining the transmission bandwidth BW of the LTE;

in particular, the amount of the solvent to be used,

CI＝[a₀＝1,a₁＝0,a₂＝0,a₃＝0,a₄＝0,a₅＝0,a₆＝0,a₇＝0,a₈＝0,a₉＝1]；

FI＝{FI₀＝[0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0]，FI₉＝[0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0]}。

at this time, a of CI is passed₀1 and a₉1, corresponding to 20M bandwidth, 0-2M, 18-20M are shared channels, and further corresponding to FI₀＝[0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0]I.e. b₁₀＝1，b₁₁1 corresponds to a₀1000-1100 kHz on a 0-2M frequency band indicated by 1, and 1100-1200 kHz are shared bandwidth. Likewise, FI₉＝[0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0]I.e. b₈＝1，b₉1 corresponds to a₉800-900 kHz on the 18-20M frequency band indicated by 1, and 900-1000 kHz is the shared bandwidth.

And taking the LTE system corresponding to the calculated shared bandwidth, namely LTE carrier bands 1-14 and 1187-1200 (counting carrier indexes from 1) as the shared bandwidth.

Step five: the base station sends an interference suppression strategy;

step six: the terminal receives an interference suppression strategy, the terminal sets frequency domain data received through the shared bandwidth of the LTE and the GSM to zero, and the terminal determines the channel estimation result of the shared bandwidth of the LTE and the GSM according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the LTE and the GSM;

specifically, frequency band data on LTE carriers 1-14 and 1187-1200 are set to be zero, and then the channel estimation results of the two sections are replaced by the channel estimation results of adjacent carriers, namely the channel estimation results of the carriers 1-14 are replaced by the channel estimation results of the carriers 15-28, and the channel estimation results of the carriers 1187-1200 are replaced by the channel estimation results of the carriers 1173-1186;

step seven: the terminal performs deframing, equalization, demodulation and decoding on each physical channel based on frequency domain data and a channel estimation result obtained after interference processing;

step eight: the terminal measures the channel state of the LTE network by adopting a sub-band measuring mode to obtain a channel state measuring value, wherein the measuring value comprises RI, PMI and CQI;

step nine: the terminal reports the measured value of the transmission bandwidth of the LTE network except the shared bandwidth to the base station;

step ten: the base station receives the measured value, and performs adaptive modulation and coding AMC according to the measured value, namely the base station selects a proper modulation and coding mode according to the measured value to transmit data.

Example six:

this embodiment provides another specific application scenario of a network spectrum sharing system as an example, and further details of the present invention are described, where the network spectrum sharing system in this embodiment is a spectrum sharing system of GSM and LTE, the LTE network is the present network, the GSM network is a heterogeneous network, and the base station is an LTE base station.

Here, it is assumed that the downlink communication scenario is: LTE is 10M system bandwidth. GSM is 4 routes of voice, each route occupies 200kHz frequency band, frequency band resources are shared with LTE at 200kHz starting from the starting carrier positions of the left and right frequency bands of LTE, and 200kHz is arranged between two routes of single-side adjacent GSM. Namely, LTE carriers 1 to 14, 29 to 42, 559 to 572, 587 to 600 (carrier index counted from 1) are shared frequency bands. There is power control after GSM access, assuming that the power is 15dB higher per RE for GSM to LTE than for LTE. In the foregoing communication scenario, the interference processing procedure includes:

the method comprises the following steps: a base station sends broadcast information to a terminal through PBCH;

step two: the terminal detects PBCH and acquires BW (bandwidth allocation) information of transmission of an LTE (Long term evolution) system, wherein BW is 10M;

step three: the base station transmits air interface parameter information CI and FI.

in particular, the amount of the solvent to be used,

CI＝[a₀＝1,a₁＝0,a₂＝0,a₃＝0,a₄＝1,a₅＝0,a₆＝0,a₇＝0,a₈＝0,a₉＝0]；

FI＝{FI₀＝[0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0]，FI₄＝[0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0]}。

at this time, a of CI is passed₀1 and a₄As 1, interference exists between 0M to 2M and 8M to 10M corresponding to the bandwidth of 10M. Remap FI₀＝[0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0]I.e. b₅＝1，b₆＝1，b₉＝1，b₁₀1 corresponds to a₀500 ~ 600kHz, 600 ~ 700kHz, 900 ~ 1000kHz, 1000 ~ 1100kHz on the 0 ~ 2M frequency channel that indicates 1, be the shared bandwidth. Likewise, FI₄＝[0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0]I.e. b₁₀＝1，b₁₁＝1，b₁₄＝1，b₁₅1 corresponds to a₄900-1000 kHz, 1000-1100 kHz, 1300-1400 kHz and 1400-1500 kHz on the 8-10M frequency band indicated by 1 are shared bandwidths.

And taking the LTE system corresponding to the calculated shared bandwidth, namely LTE carriers 1-14, 29-42, 559-572 and 587-600 (counting carrier indexes from 1) as the shared bandwidth.

Step five: the base station sends an interference suppression strategy;

specifically, frequency band data on LTE carriers 1-14, 29-42, 559-572 and 587-600 are set to be zero, and then channel estimation results of the four sections are replaced by channel estimation results of adjacent carriers, namely the channel estimation results of the carriers 1-14 are replaced by channel estimation results of the carriers 15-28, the channel estimation results of the carriers 29-42 are replaced by channel estimation results of the carriers 43-56, the channel estimation results of the carriers 559-572 are replaced by channel estimation results of the carriers 545-558, and the channel estimation results of the carriers 587-600 are replaced by channel estimation results of the carriers 573-586;

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. An interference processing method, applied to a terminal, the method comprising:

performing interference suppression processing on data received through a shared bandwidth corresponding to the shared bandwidth information of the local network according to an interference suppression policy, wherein performing interference suppression processing on data received through a shared bandwidth corresponding to the shared bandwidth information of the local network according to the interference suppression policy comprises: and setting the data received by the shared bandwidth of the network to zero.

2. The interference processing method according to claim 1, wherein the acquiring the shared bandwidth information of the different network and the local network in the wireless network spectrum sharing system includes: receiving transmission bandwidth information and air interface parameter information of the network, and determining the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

3. The interference processing method of claim 2 wherein the air interface parameter information comprises channel information and frequency band information for the shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located within a transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located within the channel; the determining the specific location of the shared bandwidth within the transmission bandwidth of the network includes: and determining a channel of the shared bandwidth in the transmission bandwidth of the network according to the channel information, and determining a frequency band of the shared bandwidth in the channel according to the frequency band information.

4. The interference processing method of claim 1, further comprising: and acquiring a local interference suppression strategy or acquiring an interference suppression strategy sent by other equipment.

5. The interference processing method according to claim 1, wherein after performing interference suppression processing on data received via a shared bandwidth corresponding to the shared bandwidth information in the local network according to an interference suppression policy, the method further includes: and measuring the channel state of the network by adopting a sub-band measuring mode, and reporting the measuring result of the transmission bandwidth except the shared bandwidth in the network.

6. The interference processing method according to claim 1, wherein after zeroing the data received through the shared bandwidth of the local network, performing interference suppression processing on the data received through the shared bandwidth corresponding to the shared bandwidth information of the local network according to the interference suppression policy further includes: and determining the channel estimation result of the shared bandwidth of the local network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the local network.

7. An interference processing method, applied to a base station, the method comprising:

sending the shared bandwidth information of the different network and the network to a terminal; sending an interference suppression strategy to the terminal, wherein the interference suppression strategy comprises: and the terminal sets the data received by the shared bandwidth corresponding to the shared bandwidth information through the network to zero.

8. The interference processing method of claim 7, wherein the sending the shared bandwidth information of the heterogeneous network and the local network comprises: transmitting transmission bandwidth information and air interface parameter information of the network; the air interface parameter information includes: channel information and frequency band information of the shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located within a transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located within the channel.

9. The interference processing method of claim 7, further comprising:

receiving a measurement result, wherein the measurement result is the measurement result of the transmission bandwidth except the shared bandwidth in the network, which is obtained by the terminal through sub-band measurement; and performing adaptive modulation and coding processing according to the measurement result.

10. The interference processing method according to any one of claims 7 to 9,

the interference suppression strategy further comprises: and the terminal of the network determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

11. An interference processing method, comprising:

a base station of the network determines and sends shared bandwidth information of a different network and the network in a wireless network spectrum sharing system; a base station of the network sends an interference suppression strategy;

a terminal of the network acquires the shared bandwidth information in a wireless network spectrum sharing system, and performs interference suppression processing on data received through a shared bandwidth corresponding to the shared bandwidth information of the network according to an interference suppression strategy; the terminal of the local network performs interference suppression processing on the data received through the shared bandwidth corresponding to the shared bandwidth information according to the interference suppression strategy, and the interference suppression processing comprises the following steps: and the terminal of the network sets the data received by the shared bandwidth of the network to zero.

12. The interference processing method of claim 11, wherein the determining and transmitting, by the base station of the local network, the shared bandwidth information of the local network and the heterogeneous network in the wireless network spectrum sharing system includes: a base station of the network determines and sends transmission bandwidth information and air interface parameter information of the network; the acquiring, by the terminal of the present network, the shared bandwidth information in the wireless network spectrum sharing system includes: the terminal of the network receives the transmission bandwidth information and the air interface parameter information of the network, and determines the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

13. The interference processing method of claim 11, further comprising; the terminal of the network measures the channel state of the network by adopting a sub-band measuring mode and reports the measuring result of the transmission bandwidth except the shared bandwidth in the network; and the base station receives the measurement result and performs adaptive modulation and coding processing according to the measurement result.

14. The interference processing method according to any one of claims 11 to 13, wherein the performing, by the terminal of the local network, interference suppression processing on the data received through the shared bandwidth corresponding to the shared bandwidth information by the local network according to the interference suppression policy further includes: and the terminal of the network determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

15. A terminal, comprising:

the interference suppression module is used for carrying out interference suppression processing on data received by a shared bandwidth corresponding to the shared bandwidth information through the network according to an interference suppression strategy; the interference suppression module comprises an interference suppression submodule for setting the data received by the shared bandwidth of the network to zero.

16. The terminal of claim 15, wherein the acquisition module comprises: the receiving submodule is used for receiving transmission bandwidth information and air interface parameter information of the network; and the positioning submodule is used for determining the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

17. The terminal of claim 16, wherein the air interface parameter information includes channel information and frequency band information of the shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located within a transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located within the channel; the positioning sub-module comprises a channel positioning sub-module and a frequency band positioning sub-module, the channel positioning sub-module is used for determining a channel of the shared bandwidth in the transmission bandwidth of the network according to the channel information, and the frequency band positioning sub-module is used for determining the frequency band of the shared bandwidth in the channel according to the frequency band information.

18. The terminal of claim 15, further comprising an interference suppression policy obtaining module, configured to obtain a local interference suppression policy or obtain an interference suppression policy sent by another device.

19. The terminal of claim 15, further comprising a measuring module, configured to measure a channel state of the network by using a sub-band measurement method, and report a measurement result of a transmission bandwidth in the network except for the shared bandwidth.

20. The terminal of claim 15, wherein the interference suppression module further comprises a channel estimation module, configured to determine a channel estimation result of the shared bandwidth of the local network according to a channel estimation result of an adjacent frequency band of the shared bandwidth of the local network after zeroing data received through the shared bandwidth of the local network.

21. A base station, comprising:

a sending module, configured to send shared bandwidth information of the heterogeneous network and the local network;

the sending module includes a second sending submodule configured to send an interference suppression policy, where the interference suppression policy includes: and the terminal of the network sets the data received by the shared bandwidth corresponding to the shared bandwidth information of the network to zero.

22. The base station of claim 21, wherein the transmitting module includes a first transmitting sub-module for transmitting transmission bandwidth information and air interface parameter information of the local network; the air interface parameter information includes: channel information and frequency band information of the shared bandwidth; the channel information is used for determining a channel where the shared bandwidth is located within a transmission bandwidth of the network, and the frequency band information is used for determining a frequency band where the shared bandwidth is located within the channel.

23. The base station of claim 21, further comprising a receiving module, configured to receive a measurement result, where the measurement result is a measurement result of a transmission bandwidth except the shared bandwidth in the local network, where the measurement result is obtained by the terminal through sub-band measurement; and performing adaptive modulation and coding processing according to the measurement result.

24. The base station of any of claims 21-23, wherein the interference suppression strategy further comprises: and the terminal of the network determines the channel estimation result of the shared bandwidth of the network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the network.

25. An interference processing system, comprising:

the terminal is used for acquiring shared bandwidth information of a different network and the network in the wireless network spectrum sharing system by the network, and performing interference suppression processing on data received through the shared bandwidth corresponding to the shared bandwidth information of the network according to an interference suppression strategy;

the base station is further configured to send an interference suppression policy; the terminal performs interference suppression processing on the data received by the shared bandwidth corresponding to the shared bandwidth information through the local network according to the interference suppression strategy, and the interference suppression processing comprises the following steps: and the terminal sets the data received by the shared bandwidth in the network to zero.

26. The interference processing system of claim 25 wherein the base station is configured to determine and transmit transmission bandwidth information and air interface parameter information for the local network; the terminal is used for receiving the transmission bandwidth information and the air interface parameter information of the network, and determining the specific position of the shared bandwidth in the transmission bandwidth of the network according to the transmission bandwidth information and the air interface parameter information.

27. The interference processing system of claim 25, wherein the terminal is further configured to measure a channel state of the network by using a sub-band measurement method, and report a measurement result of a transmission bandwidth in the network except for a shared bandwidth, and the base station is further configured to receive the measurement result and perform adaptive modulation and coding processing according to the measurement result.

28. The interference processing system of any one of claims 25 to 27, wherein the performing, by the terminal, interference suppression processing on the data received through the shared bandwidth corresponding to the shared bandwidth information by the local network according to the interference suppression policy further includes: and the terminal determines the channel estimation result of the shared bandwidth of the local network according to the channel estimation result of the adjacent frequency band of the shared bandwidth of the local network.