CN104620626A

CN104620626A - Method and device for measuring channel state information

Info

Publication number: CN104620626A
Application number: CN201380001989.1A
Authority: CN
Inventors: 周明宇; 温容慧
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-06-13
Filing date: 2013-06-13
Publication date: 2015-05-13
Anticipated expiration: 2033-06-13
Also published as: CN104620626B; WO2014198032A1

Abstract

The present invention provides a method and a device for measuring channel state information. The method comprises: a first device receiving a first signal sent through a downlink channel by a second device, and receiving a second signal sent through an uplink channel by at least one third device; and the first device determining channel state information (CSI) according to the first signal and the second signal. By using the method, it can be achieved that a network device schedules an uplink resource and a downlink resource according to channel state information determined by a first device, so as to improve the utilization rate of the resources.

Description

Method and device for measuring channel state information

The method and apparatus technical field of channel condition information measurement

The present embodiments relate to the method and apparatus of the communication technology, more particularly to a kind of measurement of channel condition information.Background technology

In the prior art, user equipment（User Equipment, abbreviation UE) and the network equipment, such as base station, wirelessly it is transmitted, UE sends wireless signal to the network equipment and is referred to as uplink, and the network equipment sends wireless signal to UE and is referred to as downlink transfer.

In Long Term Evolution（Long Term Evolution, abbreviation LTE) in system, ascending resource and downlink resource are independent, network equipment United Dispatching ascending resource and downlink resource.For example, for up channel, UE sends detection reference signal according to the configured information of the network equipment to the network equipment

After (Sounding Reference Signal, abbreviation SRS), and then network equipment reception SRS, the channel condition information of uplink wireless channel is known according to SRS measurement result（Channel State Information, CSI), to realize the rational management to ascending wireless resource.

For down channel, the network equipment sends channel state information reference signals (the CSI-Reference Signal for measuring down channel to UE, abbreviation CSI-RS), UE measures CSI-RS with after obtaining descending CSI, the reporting source of channel state information for the down channel that measurement is obtained is to the network equipment, in order to network equipment dispatching downlink resource.

That is, the network equipment sends the reference signal for measurement to UE（Reference Signal, abbreviation RS), after UE measurements, the content for determining to report according to measurement result, and then report the network equipment, such as base station, to cause the network equipment to determine the network equipment to the CSI of UE down channel, so as to reasonably be dispatched according to the information.Wherein, the content that UE is reported includes order instruction (Rank Indicator, abbreviation RI), pre-coding matrix instruction (Precoding Matrix Indicator, abbreviation PMI), channel quality and indicated（Channel Quality Indicator, abbreviation CQI) etc., correspondingly, the content of network equipment scheduling may include that the network equipment transmits space number of plies information, precoding information and the Modulation and Coding Scheme of signal to UE（Modulation and Coding Scheme, abbreviation MCS) information etc.. However, above-mentioned UE or the network equipment can only measure the channel condition information of one-way channel, i.e. up channel or down channel.In actual application, the upward signal of multiple cells or the downstream signal of multiple cells may be transmitted on the same resource, and exist between the upward signal of multiple cells or between the downstream signal of multiple cells and interfere with each other, thus, the above-mentioned network equipment can not know the channel condition information when cell serviced by the downstream signal between the upward signal between neighbor cell or neighbor cell the above-mentioned network equipment causes to interfere.The content of the invention

In view of this, for defect of the prior art, the present invention provides a kind of method and apparatus of channel condition information measurement, to realize that the network equipment lifts the utilization rate of resource during dispatching uplink resource and downlink resource.

In a first aspect, the embodiment of the present invention provides a kind of method of channel condition information measurement, including：First equipment receives the first signal that the second equipment is sent by down channel, and receives the secondary signal that at least one the 3rd equipment is sent by up channel；

First equipment determines channel condition information according to first signal and the secondary signal

CSI。

With reference in a first aspect, in the first possible implementation, methods described also includes：First equipment sends the CSI to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

With reference to first aspect and above-mentioned possible implementation, in second of possible implementation, first signal is one kind in CSI-RS and SRS；

The secondary signal is one kind in CSI-RS and SRS.

With reference to first aspect and above-mentioned possible implementation, in the third possible implementation, the resource unit RE for carrying first signal is different from the RE for carrying the secondary signal.

With reference to first aspect and above-mentioned possible implementation, in the 4th kind of possible implementation, first equipment is user equipment (UE) or the network equipment；

Second equipment is the network equipment；

3rd equipment is UE.

With reference to first aspect and above-mentioned possible implementation, in the 5th kind of possible implementation, First equipment determines CSI according to first signal and the secondary signal, including：First equipment determines the signal intensity of first signal according to first signal of reception, and determines according to the secondary signal of reception the interference strength of the secondary signal；

First equipment determines CSI according to the signal intensity and the interference strength.

With reference to first aspect and above-mentioned first to fourth kind of possible implementation, in the 6th kind of possible implementation, first equipment determines CSI according to first signal and the secondary signal, including：

First equipment determines the signal intensity of first signal according to first signal of reception, the interference strength of the secondary signal determined according to the secondary signal of reception, and determines according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal；

First equipment determines CSI according to the interference strength of the signal intensity of first signal, the interference strength of the secondary signal and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to first equipment.

With reference to first aspect and above-mentioned 5th kind of possible implementation, in the 7th kind of possible implementation, first equipment determines CSI according to the signal intensity and the interference strength, including：First equipment obtains Signal to Interference plus Noise Ratio according to the signal intensity and the interference strength

SINR, CSI is determined according to the SINR.

With reference to first aspect and above-mentioned first to fourth kind of possible implementation, in the 8th kind of possible implementation, first equipment determines CSI according to first signal and the secondary signal, including：

First equipment determines the signal intensity of first signal according to first signal of reception, and the interference strength of the secondary signal is determined according to the secondary signal of reception, and the interference strength is modified obtains revised interference strength；

First equipment determines CSI according to the signal intensity and the revised interference strength.With reference to first aspect and above-mentioned first to fourth kind of possible implementation, in the 9th kind of possible implementation, first equipment determines CSI according to first signal and the secondary signal, including：

First equipment determines that the signal of first signal is strong according to first signal of reception Degree, the interference strength for determining according to the secondary signal of reception the secondary signal, and determine according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal；

The interference strength of the secondary signal is modified by first equipment obtains revised interference strength, and CSI is determined according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals;

With reference to first aspect and above-mentioned 8th, the 9th kind of possible implementation, in the tenth kind of possible implementation, methods described also includes：

First equipment realizes the transmission of the Physical Downlink Shared Channel PDSCH between first equipment and second equipment using advanced reception pattern, or, first equipment realizes the transmission of the Physical Uplink Shared Channel PUSCH between first equipment and the 3rd equipment using advanced reception pattern.

With reference to first aspect and the above-mentioned ten kind of possible implementation, in a kind of the tenth possible implementation, the advanced reception pattern is one kind in following reception patterns：

Using the reception pattern of interference deletion algorithm；

Using the reception pattern of multiple-input, multiple-output MIMO receiving algorithms；

Using the reception pattern of multi-user's multiple-input, multiple-output MU-MIMO receiving algorithms.

With reference to first aspect and above-mentioned 8th kind of possible implementation, in the 12nd kind of possible implementation, first equipment determines CSI according to the signal intensity and the revised interference strength, including：

First equipment obtains Signal to Interference plus Noise Ratio SINR according to the signal intensity and the revised interference strength, and CSI is determined according to the SINR.

With reference to first aspect and above-mentioned 9th kind of possible implementation, in the 13rd kind of possible implementation, the interference strength of the signal intensity, the revised interference strength and other interference signals according to first signal determines CSI, including：

Signal to Interference plus Noise Ratio SINR is obtained according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals, CSI is determined according to the SINR.

With reference to first aspect and any of the above-described possible implementation, the 14th kind of possible realization side In formula, the CSI includes the one or more in following information：

Channel quality indicator (CQI), order instruction RI and pre-coding matrix instruction PMI.

With reference to first aspect and above-mentioned first to the 14th kind of possible implementation, in the 15th kind of possible implementation, the CSI includes at least one in following items：

First CQI corresponding with the first signal, twoth CQI corresponding with secondary signal;

First RI corresponding with the first signal, twoth RI corresponding with secondary signal;And

First PMI corresponding with the first signal, twoth PMI corresponding with secondary signal;

Wherein, when the CSI includes a first RI and PMI, the first RI and the first PMI are jointly encoded；

When the CSI includes the 2nd RI and two PMI, the 2nd RI and the 2nd PMI are jointly encoded.

With reference to first aspect and above-mentioned 15th kind of possible implementation, in the 16th kind of possible implementation, first PMI is used for the precoding vector or pre-coding matrix for indicating the first code book, and the 2nd PMI is used for the precoding vector or pre-coding matrix for indicating the second code book different from the first code book.

With reference to first aspect and above-mentioned first to the 13rd kind of possible implementation, in the 17th kind of possible implementation, the CSI includes：

First CQI corresponding with the first signal, first RI corresponding with the first signal, first PMI corresponding with the first signal;

Twoth RI corresponding with secondary signal, twoth PMI corresponding with secondary signal.

With reference to first aspect and any of the above-described possible implementation, in the 18th kind of possible implementation, before the step of first equipment determines CSI according to first signal and the secondary signal, in addition to Γ

First equipment receives the resource distribution message that the second equipment or the 4th equipment are sent, and the resource distribution message includes：The RE information of first signal is carried, the RE information of the secondary signal is carried；

First equipment determines CSI according to first signal and the secondary signal, specifically includes：First equipment is according to the RE of the RE information for carrying first signal and RE information determination carrying first signal for carrying the secondary signal, the RE of the carrying secondary signal, and measure the RE for carrying first signal and carry the RE of the secondary signal, CSI is determined according to measurement result; Wherein, the 4th equipment is the control device of second equipment.

With reference to first aspect and any of the above-described possible implementation, in the 19th kind of possible implementation, methods described also includes：

First equipment determines that Power Control PC advises according to the secondary signal, and PC suggestions are sent to the second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

With reference to first aspect and above-mentioned first to the 18th kind of possible implementation, in the 20th kind of possible implementation, methods described also includes：

First equipment receives the power deviation information that second equipment or the 4th equipment are sent, first equipment determines that PC advises according to the power deviation information and the secondary signal, and PC suggestions are sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment；

The power deviation information is the power deviation between the data-signal that the secondary signal and the 3rd equipment are sent.

With reference to first aspect and any of the above-described possible implementation, in a kind of the 20th possible implementation, first equipment receives the first signal that the second equipment is sent by down channel, and receive the secondary signal that at least one the 3rd equipment is sent by up channel, the step of before, methods described also includes：

First equipment sends the notification message for the configuration information for carrying first equipment to second equipment or the 4th equipment；The notification message includes：Whether support receives the first information of upward signal and downstream signal, and/or, if the second information with interference deletion ability；

Wherein, the 4th equipment is the control device of second equipment.

With reference to first aspect and a kind of above-mentioned 20th possible implementation, in the 22nd kind of possible implementation, methods described also includes：

First equipment receives the instruction configuration message that second equipment or the 4th equipment are sent, it is described to indicate that configuration message is used to indicate that first equipment receives the first signal that the second equipment is sent by down channel, and the secondary signal that at least one the 3rd equipment is sent by up channel is received, and CSI is determined according to first signal and the secondary signal;

Wherein, the 4th equipment is the control device of second equipment.

With reference to first aspect and any of the above-described possible implementation, in the 23rd kind of possible realization In mode, first equipment and the 3rd equipment are located in different cells, or, first equipment and the 3rd equipment are located in identical cell.

Second aspect, the embodiment of the present invention provides a kind of communication equipment, including：Receiver and processor;The receiver, for receiving the first signal that the second equipment is sent by down channel, and receives the secondary signal that at least one the 3rd equipment is sent by up channel；

The processor, the first signal and the secondary signal for being received according to the receiver determine channel condition information CSI.

With reference to second aspect, in the first possible implementation, the communication equipment also includes：Transmitter；

The transmitter, the CSI for the processor to be determined is sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

With reference to second aspect and above-mentioned possible implementation, in second of possible implementation, first signal is one kind in CSI-RS and SRS；

The secondary signal is one kind in CSI-RS and SRS.

With reference to second aspect and above-mentioned possible implementation, in the third possible implementation, the resource unit RE for carrying first signal is different from the RE for carrying the secondary signal.

With reference to second aspect and above-mentioned possible implementation, in the 4th kind of possible implementation, the communication equipment is user equipment (UE) or the network equipment.

With reference to second aspect and above-mentioned possible implementation, in the 5th kind of possible implementation, the processor, specifically for

First signal received according to the receiver determines that the signal intensity of first signal, and the secondary signal received according to the receiver determine the interference strength of the secondary signal, and CSI is determined according to the signal intensity and the interference strength.

With reference to second aspect and above-mentioned first to fourth kind of possible implementation, in the 6th kind of possible implementation, the processor, specifically for

Signal intensity that first signal received according to the receiver determines first signal, the secondary signal received according to the receiver determine the interference strength of the secondary signal, and determine according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal； CSI is determined according to the interference strength of the signal intensity of first signal, the interference strength of the secondary signal and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to communication equipment.

With reference to second aspect and above-mentioned first to fourth kind of possible implementation, in the 7th kind of possible implementation, the processor, specifically for

First signal received according to the receiver determines the signal intensity of first signal, and the receiver determines the interference strength of the secondary signal according to the secondary signal of reception, and the interference strength is modified obtains revised interference strength；

CSI is determined according to the signal intensity and the revised interference strength.

With reference to second aspect and above-mentioned first to fourth kind of possible implementation, in the 8th kind of possible implementation, the processor, specifically for

First signal received according to the receiver determines the signal intensity of first signal, the interference strength of the secondary signal is determined according to the secondary signal of receiver reception, and determines the interference strength that other interference signals in addition to the secondary signal are caused according to interferometry resource IMR information；

The interference strength of the secondary signal is modified and obtains revised interference strength, CSI is determined according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals;

With reference to second aspect and the above-mentioned 6th and the 8th kind of possible implementation, in the 9th kind of possible implementation, the processor is additionally operable to

It is determined that after the CSI, the transmission of the Physical Downlink Shared Channel PDSCH between the communication equipment and second equipment is realized using advanced reception pattern, or, the transmission of the Physical Uplink Shared Channel PUSCH between the communication equipment and the 3rd equipment is realized using advanced reception pattern.

With reference to second aspect and above-mentioned 9th kind of possible implementation, in the tenth kind of possible implementation, the advanced reception pattern is one kind in following reception patterns：

Using the reception pattern of interference deletion algorithm； Using the reception pattern of multiple-input, multiple-output MIMO receiving algorithms；

With reference to second aspect and any of the above-described kind of possible implementation, in a kind of the tenth possible implementation, the CSI includes the one or more in following information：

With reference to second aspect and above-mentioned first to the tenth kind of possible implementation, in the 12nd kind of possible implementation, the CSI that the processor is determined includes at least one in following items：First CQI corresponding with the first signal, twoth CQI corresponding with secondary signal;

With reference to second aspect and above-mentioned 12nd kind of possible implementation, in the 13rd kind of possible implementation, first PMI is used for the precoding vector or pre-coding matrix for indicating the first code book, and the 2nd PMI is used for the precoding vector or pre-coding matrix for indicating the second code book different from the first code book.

With reference to second aspect and a kind of above-mentioned first to the tenth possible implementation, in the 14th kind of possible implementation, the CSI includes：

With reference to second aspect and any of the above-described kind of possible implementation, in the 15th kind of possible implementation, the receiver is additionally operable to

Before the processor determines the CSI, the resource distribution message that the second equipment or the 4th equipment are sent is received, the resource distribution message includes：The RE information of first signal is carried, the RE information of the secondary signal is carried；

The processor, specifically for

The RE information determination of the RE information and the carrying secondary signal of carrying first signal received according to the receiver carries the RE of first signal, the RE of the carrying secondary signal, And the RE of the RE for carrying first signal and the carrying secondary signal is measured, CSI is determined according to measurement result;

Wherein, the 4th equipment is the control device of second equipment.

With reference to second aspect and any of the above-described kind of possible implementation, in the 16th kind of possible implementation, the processor is additionally operable to

It is determined that after the CSI, determining that Power Control PC advises according to the secondary signal；The transmitter, is additionally operable to

After the processor determines the PC suggestions, PC suggestions are sent to the second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

With reference to second aspect and any of the above-described kind of possible implementation, in the 17th kind of possible implementation, the receiver is additionally operable to

Before the processor determines the CSI, the power deviation information that second equipment or the 4th equipment are sent is received,

The processor, is additionally operable to

After the receiver receives the power deviation information, determine that PC advises according to the power deviation information and the secondary signal,

The transmitter, is additionally operable to after the processor determines the PC suggestions, PC suggestions is sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment；

With reference to second aspect and any of the above-described kind of possible implementation, in the 18th kind of possible implementation, the transmitter is additionally operable to

Before the receiver receives first signal and the secondary signal, the notification message for the configuration information for carrying communication equipment is sent to second equipment or the 4th equipment；The notification message includes：Whether support receives the first information of upward signal and downstream signal, and/or, if the second information with interference deletion ability；

Wherein, the 4th equipment is the control device of second equipment.

With reference to second aspect and above-mentioned 18th kind of possible implementation, in the 19th kind of possible reality In existing mode, the receiver is additionally operable to

After the transmitter sends the notification message, receive the instruction configuration message that second equipment or the 4th equipment are sent, it is described to indicate that configuration message is used to indicate to receive the first signal that the second equipment is sent by down channel, and the secondary signal that at least one the 3rd equipment is sent by up channel is received, and CSI is determined according to first signal and the secondary signal;

Wherein, the 4th equipment is the control device of second equipment.

As shown from the above technical solution, the method and apparatus of the channel condition information measurement of the embodiment of the present invention, first equipment receives the first signal, and receive secondary signal, and then channel condition information is determined according to the first signal and secondary signal, thus, the channel condition information dispatching uplink resource that determines according to the first equipment of the network equipment and downlink resource can be achieved to lift the utilization rate of resource.Brief description of the drawings

In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be briefly described below, it should be apparent that：Accompanying drawings below is the accompanying drawing of some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, and can also be obtained according to these accompanying drawings can equally realize other accompanying drawings of technical solution of the present invention.

Fig. 1 is the network equipment in the prior art and the Organization Chart of base station interaction；

Fig. 2 uses schematic diagram for the resource of CSI-RS subframe in the prior art；

The network equipment and the schematic diagram of base station interaction that Fig. 3 A provide for one embodiment of the invention；The network equipment and the schematic diagram of base station interaction that Fig. 3 B provide for another embodiment of the present invention；Fig. 3 C to Fig. 3 H are the schematic flow sheet for the method that channel condition information provided in an embodiment of the present invention is measured；

Fig. 4 be the embodiment of the present invention in carrying uplink and downlink signals RE exemplary plot；

Fig. 5 A and Fig. 5 B are the structural representation of the network equipment provided in an embodiment of the present invention；Fig. 6 A and Fig. 6 B are the structural representation of the network equipment provided in an embodiment of the present invention.Embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme is clearly and completely described.Obviously, each following embodiments is all the embodiment of a present invention part.Based on each following implementation of the present invention Example, even if those of ordinary skill in the art do not make creative work, the technical characteristic of equivalent transformation partially or completely can also be passed through, and obtain and can solve the problem that present invention problem, the other embodiments of the technology of the present invention effect are realized, and these each embodiments for converting and coming are obviously without departing from scope disclosed in this invention.

To facilitate understanding of the present embodiment of the invention middle technical scheme, first content related to the present invention is briefly described.

In the present invention, any network equipment can be base station（Base Station, BS), access point (Access Point, AP), far-end wireless device (Remote Radio Equipment, RRE), distal end radio port（Remote Radio Head, RRH), remote radio units (Remote Radio Unit, RRU), via node（Relay node) etc..The relation of the network equipment and cell is not limited, and can be the one or more cells of network equipment correspondence or the one or more network equipments of cell correspondence.The wherein transmission or reception operation of the network equipment, can be that the direct behavior of the network equipment or network equipment control connect with its equipment room being connected by wired or wireless way and is transmitted or receives operation.

As shown in Figure 1, the network equipment can send downstream signal from 4 antenna ports to UE, UE can receive the downstream signal that the network equipment is sent by 2 antennas, for example, the network equipment sends the corresponding CSI-RS of 4 antenna ports to UE, UE is by measuring CSI-RS, then calculates and obtain CSI and report；And then, the CSI that the network equipment is reported according to UE determines the content of scheduling and transmits downgoing control signal to UE（Such as Physical Downlink Control Channel in LTE system（Physical Downlink Control Channel, abbreviation PDCCH) or enhanced Physical Downlink Control Channel（Enhanced Physical Downlink Control Channel, abbreviation ePDCCH) on the signal that transmits）, and accordingly based upon the scheduling content to UE transmit downlink data signal（Such as Physical Downlink Shared Channel in LTE system（Physical Downlink Shared Channel, abbreviation PDSCH) on the signal that transmits）, the efficiency to ensure downlink data transmission.

Currently, influence CSI factor may include：Interference and thermal noise that the intensity of downstream signal received by UE, UE are subject to.Therefore, UE is by calculating Signal to Interference plus Noise Ratio（Signal to

Interference-plus-Noise Ratio, abbreviation SINR) determine CSI.

Due to SINR be the useful signal that UE is received intensity and UE interference plus noise intensity ratio, therefore, the intensity and interference level for the signal that following detailed description UE measurements are received, wherein, the power of strength representation signal or noise, leads to normal power in wireless communications or energy carrys out table Show, hereafter emphasis is illustrated by taking power as an example.In addition, noise intensity is measured as general technology, the embodiment of the present invention is without describing in detail.

In LTE system, one subframe lengths is lms, generally include temporal 14 symbols, because LTE employs multi-transceiver technology, whole system bandwidth is divided into some subcarriers, a subcarrier on temporal a symbol and frequency is defined as the least unit of Radio Resource, is referred to as a resource unit（Resource Element, abbreviation RE)；And the unit of scheduling of resource is then with Physical Resource Block pair（Physical Resource Block pair, abbreviation PRB pair）For unit, a PRB pair includes 12 subcarriers in temporal a subframe and frequency, as shown in Figure 2.

Fig. 2 shows the utilization of resources schematic diagram for the subframe for sending CSI-RS, wherein（9,5) and（9,6) two RE are used to transmit CSI-RS, and ((m, n) represents a RE in a PRB pair, m represents the RE corresponding subcarrier numbers in the PRB pair, and n represents the RE corresponding symbol numbers in the PRB pair）, then UE the CSI-RS received signal intensity is just measured on the two RE.

For the measurement of interference level, the network equipment sends signaling to UE and indicates interferometry resource (Interference Measurement Resource, abbreviation IMR) information（It is used for the RE information for measuring interference）, UE according to IMR information, disturbed by the measurement on carrying IMR RE, and such as Fig. 2 is shown（8,5) and（8,6) two RE as UE IMR.

Specifically, UE exists（9,5) and（9,6) signal intensity that measurement obtains CSI-RS on two RE is P_csirs,（8,5) and（8,6) it is P_intf_noise that measurement, which obtains interference and the intensity of noise, on two RE, so that according to following formula（1) Signal to Interference plus Noise Ratio is calculated（Signal to Interference plus Noise Ratio, simple standing grain that SINR),

Thus, UE obtains the CSI for being fed back to the network equipment according to SINR to SINR=P_csirs/P_intf-noise (1), and by the CSI feedback of acquisition to the network equipment.

In LTE system, UE passes through Physical Uplink Control Channel（Physical Uplink Control

Channel, abbreviation PUCCH) feed back CSI to the network equipment.

In addition, in LTE system, the network equipment can also send CSI-RS pattern numbers to UE, and (CSI-RS patterns that is to say that the corresponding RE of CSI-RS gather）And antenna port information, and then UE determines the corresponding RE of corresponding CSI-RS according to the CSI-RS pattern numbers and antenna port information that receive. CSI-RS pattern number RE corresponding with CSI-RS relation is as shown in table 1 below.IMR may include one or more CSI-RS patterns.

Table 1

Current ascending resource is different with downlink resource, in FDD（Frequency Division

Duplex, abbreviation FDD) uplink and downlink signals are sent in different frequency range in system, wherein up, downlink resource corresponds to up, band downlink respectively；In time division duplex（Time Division Duplex, abbreviation TDD) uplink and downlink signals are sent in different subframes in system, wherein up, downlink resource corresponds to up, descending sub frame respectively.UE is measured in downlink resource, then will measure obtained CSI report network equipment, then the network equipment can be allowed to know the CSI of down channel;And for up, the network equipment then configures SRS parameters for UE, the SRS parameters that UE is configured according to the network equipment send SRS, and the network equipment just can know the CSI of up channel by measuring the SRS of UE transmissions.The network equipment can be just scheduled according to these information to ascending resource and downlink resource.

However, above-mentioned UE or the network equipment can only measure the channel condition information of one-way channel, i.e. up channel or down channel.In actual application, the upward signal of multiple cells or the downstream signal of multiple cells may be transmitted on the same resource, and between the upward signal of multiple cells or the downstream signal of multiple cells exist interfere with each other, thus, the above-mentioned network equipment can not know the channel condition information when cell serviced by the downstream signal between the upward signal between neighbor cell or neighbor cell the above-mentioned network equipment causes to interfere.

The embodiment of the present invention provides a kind of method of CSI measurements, can measure UE or the network equipment Uplink and downlink are used for the RS measured, and according to measurement feedback CSI, are easy to network equipment combined dispatching uplink and downlink resource to lift resource utilization.

As shown in Fig. 3 A, Fig. 3 B and Fig. 3 C, Fig. 3 A and Fig. 3 B all illustrate the network equipment of one embodiment of the invention offer and the schematic diagram of base station interaction, Fig. 3 C show the schematic flow sheet of the method for the channel condition information measurement that one embodiment of the invention is provided, as shown in Fig. 3 A to Fig. 3 C, the method for the channel condition information measurement in the present embodiment is as described below：

301st, the first equipment receives the first signal that the second equipment is sent by down channel, and receives the secondary signal that at least one the 3rd equipment is sent by up channel；

302nd, first equipment determines CSI according to first signal and the secondary signal.Alternatively, the method for above-mentioned channel condition information measurement may also include the step 303 not shown in following figures:

303rd, first equipment sends the CSI to second equipment, so that second equipment dispatches the resource of the down channel according to the CSI.

In addition, first equipment can also send above-mentioned CSI the network equipment for having scheduling feature to other or the 4th equipment, the network equipment or the 4th equipment can be the control device of the second equipment, such as center control nodes equipment, for realizing the rational management according to CSI to down channel resources, the present embodiment is by way of example only.

Or, in other embodiments, the first equipment can also send the CSI to the 3rd equipment, so that the CSI adjustment that the 3rd equipment can be determined according to first equipment sends power of data-signal etc..

For example, the first equipment can be UE or the network equipment, and the second equipment is the network equipment, and the 3rd equipment is UE.

The first equipment shown in Fig. 3 A is UE, and the second equipment is the network equipment, and the 3rd equipment is UE, and the first equipment shown in Fig. 3 B is the network equipment, and the second equipment is the network equipment, and the 3rd equipment is UE.

Alternatively, the first signal can be one kind in CSI-RS and SRS, and secondary signal can be one kind in CSI-RS and SRS.In Fig. 3 A and Fig. 3 B, the first signal can be CSI-RS, and secondary signal is SRS.

It should be noted that, the RS design method for being used to measure that the second equipment and the 3rd equipment are respectively sent to the first equipment in the present embodiment is identical, i.e., can be in the prior art CSI-RS or SRS design method, and then it is easy to being simply provided for the network equipment, such as measurable a type of RS of the first equipment.For example, when the signal that the second equipment and the 3rd equipment are sent all can be CSI-RS, the measurable two sets of CSI-RS of first equipment, this two sets of CSI-RS are sent by the second equipment and the 3rd equipment respectively, it that is to say, first equipment only possesses measurement CSI-RS ability, it is not necessary to possess two class RS of measurement ability, so as to reduce the complexity of the first equipment；Wherein a set of CSI-RS includes the CSI-RS periodically sent, and the CSI-RS sent in each transmission cycle includes equal number of RE, the configuration parameter using same format or using identical root sequence etc..

The method of channel condition information measurement in the present embodiment, first signal and secondary signal are received by the first equipment, and then channel condition information is determined according to the first signal and secondary signal, and feeding back channel state information, thus, the utilization rate that the network equipment lifts resource during dispatching uplink resource and downlink resource can be achieved.

Generally, the RE of the first signal of carrying can be different from carrying the RE of secondary signal.That is, the RE for being used to send the first signal of carrying in the second equipment is different from the RE that the 3rd equipment is used to send carrying secondary signal.

It is understood that in a multicarrier system, only having part in a descending PRB pair

RE transmits the descending RS for measurement, and only part RE transmits the up RS for measurement in-individual up PRB pair.Thus, the first equipment can be measured to the RE for bearing downlink RS and for the RE for carrying up RS, and CSI is determined according to measurement result.

Such as the left hand view in Fig. 3 A, the first equipment（Such as UE) the second equipment of measurement（Such as the network equipment）The descending CSI-RS sent and the 3rd equipment（Such as UE) uplink SRS that sends, and then RE and carrying SRS RE according to carrying CSI-RS measured, and CSI is determined according to measurement result.

By upper, the method shown in Fig. 3 C, the first equipment can measure and obtain upward signal（Such as Physical Uplink Shared Channel（Physical Uplink Shared Channel, abbreviation PUSCH) on the signal that transmits）And downstream signal（The signal for example on PDSCH transmitted）CSI under the scene interfered, and then the CSI that the network equipment is determined according to the first equipment reasonably dispatched to upward signal and downstream signal.

When the RE for carrying the first signal is different from the RE for carrying secondary signal, for Fig. 4, Fig. 4 is shown to be used to transmit CSI-RS RE and the RE schematic diagrames for transmitting SRS in LTE system.Wherein, for transmit CSI-RS RE numbers depend on CSI-RS antenna port number, and transmission CSI-RS subframe in each PRB pair include, two are shown in Fig. 4 In the one of which of the corresponding some RE configurations of antenna port, each PRB pair of correspondence（9,5) and（9,6) two RE, other situations are not repeated.

It is present in the part PRB pair of LTE system bandwidth for transmitting SRS RE, RE for transmitting SRS is the odd subcarriers or even subcarriers of last symbol in these PRB pairs, Fig. 4 right part of flg shows the schematic diagram of odd subcarriers, and specific which PRB pair and odd number even number configuration is from center control nodes to the 3rd equipment（Such as UE) signaling is sent to configure.Wherein, center control nodes are can to control the node of multiple network equipments, can be node or one of these network equipments different from any network equipment, between center control nodes and these multiple network equipments by way of wired or wireless connection interactive information.

For example, the first device measuring bearing downlink RS (such as CSI-RS) RE obtains signal intensity, and the RE of the up RS (such as SRS) of measurement carrying obtains interference strength or interference noise intensity, and according to measurement result（Such as signal intensity, interference strength/interference noise intensity）To obtain the CSI of feedback.

PRB pair as shown in Figure 4, the first equipment exists（9,5) and（9,6) signal intensity that measurement obtains CSI-RS on two RE is P_csir_S, measurement obtains interference noise intensity for P_intf_noise in the odd subcarriers of last symbol, is calculated according to SINR=P-csirs/P_intf_noise and obtains SINR, and then the CSI for determining to feed back according to SINR.

As can be known from Fig. 4, the first equipment of the prior art（Such as UE) only measure descending CSI-RS, the network equipment（Such as the second equipment in Fig. 3 A）Uplink SRS is only measured, and in the present embodiment, the RS that the first equipment is not transmitted to this two class on identical RE is measured, and according to measurement feedback CSI, so as to can just support to the flexible utilization of up-downgoing resource with raising efficiency.

In the first optionally realizes scene, the step 302 in the method for the channel condition information measurement shown in earlier figures 3C may include the sub-step 3021 not shown in following, figure:

3021st, first equipment determines the signal intensity of first signal according to first signal of reception, and determines according to the secondary signal of reception the interference strength of the secondary signal；First equipment determines CSI according to the signal intensity and the interference strength.

It should be noted that, in traditional communication system, the resource of carrying upward signal and downstream signal such as RE is different, therefore, be not in the interference between upward signal and downstream signal, and then traditional communication system limits flexibly using for resource.

In the present embodiment, as shown in Fig. 3 A right part of flg, after the second equipment knows the CSI, The PUSCH that can be just sent according to the CSI PDSCH received to the first equipment and the second equipment, which combines, to be scheduled, such as center control nodes（Not shown in figure）Second the first equipment of equipment scheduling can be made to receive PDSCH in a certain resource, and the equipment of the 4th equipment scheduling the 3rd is sent PUSCH in same asset according to the CSI.

During above-mentioned scheduling of resource, the PUSCH that the 3rd equipment is sent can be received to the first equipment

PDSCH is interfered, but due in measuring phases（During feeding back CSI）The secondary signal of the 3rd equipment transmission is made in consideration the downstream signal that the second equipment sends can be received to the first equipment and interfere and be based on this and carried out combined dispatching, therefore PDSCH and PUSCH receptivity can be guaranteed.

Foregoing center control nodes can be the second equipment in Fig. 3 A or the 4th equipment in Fig. 3 A, and the present embodiment is by way of example only.

In Fig. 3 A, the second equipment and the 4th equipment can be the network equipment, and the 3rd equipment and the first equipment can be UE.Certainly, the first foregoing equipment can also be the network equipment, as shown in Figure 3 B, and the first equipment needs to receive the wireless signal that the second equipment is sent, and that is to say wireless backhaul (backhauls）Scene, wirelessly transmission information between the network devices, the first equipment is accomplished by receiving the data-signal that the second equipment is sent.

The method measured by above-mentioned channel condition information can realize the network equipment by uplink (PUSCH on the right side of such as Fig. 3 A) and downlink transfer（PDSCH on the right side of Fig. 3 A) dispatch in identical resource（Such as the same frequency of same subframe）On, and then the utilization of resource can be made more flexible, lift resource utilization from communication system aspect.

Second it is optional realize scene, the step 302 in the method for the channel condition information measurement shown in earlier figures 3C may include the sub-step 3021a not shown in following, figure:

3021a, first equipment determines the signal intensity of first signal according to first signal of reception, and the interference strength of the secondary signal is determined according to the secondary signal of reception, SINR is obtained according to the interference strength of the signal intensity of first signal and the secondary signal, CSI is determined according to the SINR.

That is, in specific application, secondary signal can be considered interference signal by the first equipment, and then determine CSI according to the first signal and secondary signal.

Alternatively, in a particular application, 3021a can also be following 3021a'_:

3021a described in the first equipment first signal is determined according to first signal of reception Signal intensity, the interference strength for determining according to the secondary signal of reception the secondary signal, and according to

IMR information determines the interference strength of other interference signals in addition to the secondary signal；

Wherein, the information that IMR information sends for the control device of the second equipment or the 3rd equipment to the first equipment, is easy to UE measurements to obtain more accurate interference strength.

It is understood that the RE of carrying IMR information can be with identical with the RE of carrying secondary signal, can also difference.

If the RE for carrying IMR information is different from the RE for carrying secondary signal, for the PRB pair shown in Fig. 4, the first equipment exists with reference to Fig. 4 for example（9,5) and（9,6) signal intensity that measurement obtains CSI-RS on two RE is P_csir_S, SRS is measured in the odd subcarriers of last symbol and obtains sending the interference strength P_intf_2 that SRS interference source is caused,（8,5) and（8,6) measurement obtains interference or the interference noise intensity P_intf_other that other interference sources are caused on two RE, and CSI is determined according to P_csirs, P_intf_2, P_intf_other.

Alternatively, the first equipment can be calculated according to SINR=P_csirs/ (P_intf_2+P_intf_other)

SINR, and CSI is further determined that according to SINR.Certainly, can be according to foregoing formula if the RE of carrying IMR information is identical with the RE for carrying secondary signal（1) SINR, now, formula are calculated（1) P_intf_noise in may include the interference strength P_intf_l of the secondary signal and the interference strength P_intf_other of other interference signals.

In the third optionally realizes scene, the step 302 in the method for the channel condition information measurement shown in earlier figures 3C may include following sub-step 3021b, as shown in Figure 3 D：

3021b, first equipment determines the signal intensity of first signal according to first signal of reception, and the interference strength of the secondary signal is determined according to the secondary signal of reception, and the interference strength of the secondary signal is modified obtains revised interference strength, and then first equipment determines CSI according to the signal intensity and the revised interference strength.

In the present embodiment, interference strength is modified by the first equipment obtains revised interference strength, it will be appreciated that secondary signal is interfered into intensity for current first equipment and is considered as reducible interference or interference strength.

First equipment by the up RS sent to the second equipment measurement result be considered as reducible interference and based on this come determine and and feed back CSI, and then center control nodes are according to the CSI fed back Dispatch the first equipment and receive PDSCH, and dispatch the second equipment and send PUSCH, the PUSCH's that can be sent when now the first equipment receives PDSCH by the second equipment disturbs；Because the first equipment just considers that the up RS that the second equipment is sent can be lowered when feeding back CSI, and the first equipment is receiving the downstream signal that the network equipment such as the second equipment is sent（Such as PDSCH) when can use advanced reception pattern, the interference that the upward signal that can equally send the second equipment be caused is deleted, so that the CSI of the first equipment feedback is just relatively reasonable, bigger efficiency of transmission can be brought to be lifted.It that is to say, the CSI of first equipment feedback needs the mode handled with the first equipment downstream signal and interference signal to match, therefore the first equipment according to advanced reception pattern reduces the interference of uplink interference signal when receiving the PDSCH that the network equipment such as the second equipment is sent, then the first equipment is it is determined that be also required to using corresponding advanced reception pattern as hypothesis during CSI.

Alternatively, in actual applications, above-mentioned 3021b can be following 3021b,：

3021b', first equipment determine the signal intensity of first signal according to first signal of reception, and the interference strength of the secondary signal is determined according to the secondary signal of reception, and the interference strength of the secondary signal is modified obtains revised interference strength, and then SINR is obtained according to the signal intensity and the revised interference strength, CSI is determined according to the SINR.

The 4th kind it is optional realize scene, the step 302 in the method for the channel condition information measurement shown in earlier figures 3C may include the sub-step 3021c not shown in following figures:

3021c, first equipment determines the signal intensity of first signal according to first signal of reception, the interference strength of the secondary signal is determined according to the secondary signal of reception, and the interference strength of other interference signals in addition to the secondary signal is determined according to IMR information, the interference strength of the secondary signal is modified and obtains revised interference strength

First equipment determines CSI according to the interference strength of the signal intensity, the revised interference strength and other interference signals of first signal;

Wherein, the information that IMR information sends for the control device of the second equipment or the 3rd equipment to the first equipment, is easy to UE measurements to obtain more accurate interference strength；And the RE of carrying IMR information can be identical with carrying the RE of secondary signal.

For example, for employing the first equipment of advanced reception pattern, determining CSI specific steps also includes：

Step 1: the RE for the bearing downlink RS that first the second equipment of device measuring is sent obtains signal intensity P_csirs (the i.e. signal intensity of the first signal）, the up RS of carrying sent in the 3rd equipment RE on the signal intensity of the up RS is measured to obtain interference strength or the interference noise intensity P_intf_l (interference strengths that i.e. secondary signal is caused）.

For example, in figure 3 a, the first equipment is measured in the odd subcarriers of last symbol to be obtained SRS signal intensity to obtain interference strength or interference noise intensity P_intf_l;Wherein described signal intensity/interference strength/interference noise intensity can be presented as power or energy etc., and the present embodiment emphasis is illustrated by taking power as an example.

Step 2: the first equipment measures the signal intensity that receives to obtain interference strength or interference noise intensity P_intf_noise on the RE for carrying up RS.

Include up RS, noise and other interference signals in the signal received on the RE for carrying up RS（The signal sent including miscellaneous equipment）.

Miscellaneous equipment in the present embodiment can be regarded as the first signal that the signal of other transmissions in addition to the 3rd equipment can be sent to the second equipment（Such as downstream signal）The equipment interfered.

In addition, it is identical to carry the RE of the first signal and RE of carrying secondary signal, the RE of the other interference signals of carrying.

For example, all devices that measurement is interfered（Including the 3rd equipment and miscellaneous equipment）The interference strength P_intf_noise of the signal sent on the RE for carrying up RS, then P_intf_l is therefrom subtracted, the interference strength P_intf_other for the signal that the miscellaneous equipment in addition to the 3rd equipment is sent on the RE for carrying up RS is obtained,

Specifically, P_intf_other=P_intf-noise-P_intf_l.

It should be noted that, although the P_intf_l and P_intf_noise of acquisition are measured on identical RE to be obtained, because the metering system of both measurements is different, therefore can be achieved on.Generally, the up RS that 3rd equipment is sent is generated by carrying out mathematic(al) manipulation to a certain sequence, receiver with preferable auto-correlation and cross correlation, therefore the first equipment can use the up RS (equipment of prior notice first that the 3rd equipment is sent）, associative operation is carried out to the up RS received on the RE for carrying up RS, it becomes possible to obtain up RS interference strength i.e. P_intf_l.First equipment can also on the RE for carrying up RS the signal that direct measurement is received intensity, it becomes possible to obtain all interference strengths or interference noise intensity i.e. P_intf_noise.

Step 3: the signal intensity that the up RS is measured on the RE for the up RS of carrying that the 3rd equipment is sent is considered as reducible interference（The interference strength that can correct）And feed back CSI.

For example, the interference strength P_intf_l for the secondary signal that the 3rd equipment is sent and default interference Delete factor IC_fact₀R carries out product, to obtain the interference strength of amendment.

For example, according to following formula（2) SINR is calculated, and further obtains fed back CSI.SINR=P_csirs/ (IC_factorxP_intf_l+P_intf_other) (2) wherein, IC_fact₀R represents that the factor is deleted in interference, its concrete numerical value can be determined for example by the first equipment according to self-ability, span is generally between 0 ~ 1, expression can reduce the ability for the interference that upward signal is caused, for example represent the first equipment by still remaining residual interference ratio after upward signal progress interference deletion, it is worth smaller expression and disturbs deletion ability stronger, such as IC_fact_OThe interference that first equipment of the expression of r=0 can cause upward signal is deleted completely, then it is just higher to calculate obtained SINR according to above formula, so that center control nodes can be just the more efficient transmission of the first equipment scheduling.

Further, as shown in FIGURE 3 E, on the basis of the method for the channel condition information measurement shown in Fig. 3 D, methods described also includes following steps 304.

304th, the first equipment realizes the transmission of the PDSCH between first equipment and second equipment using advanced reception pattern, or, first equipment realizes the transmission of the PUSCH between first equipment and the 3rd equipment using advanced reception pattern.

It should be noted that the 3rd equipment realizes that the embodiment of PUSCH transmission and the second equipment realize that the principle of the embodiment of PDSCH transmission is identical to the first equipment to the first equipment, the present embodiment is no longer described in detail.

For example, advanced reception pattern can be one kind in following reception patterns：

Using the reception pattern of interference deletion algorithm；

Using multiple-input, multiple-output（Multiple Input Multiple Output, abbreviation MIMO) receiving algorithm reception pattern；

Using multi-user（Multiple-User Multiple Input Multiple Output, abbreviation MU-MIMO) receiving algorithm reception pattern.

With reference to shown in Fig. 3 A and Fig. 3 B, first equipment receives disturbing for the upward signal that downstream signal can be sent by the 3rd equipment, in a particular application, the interference being subject to when the first equipment such as can receive PDSCH using advanced reception pattern using the reception pattern reduction of interference deletion algorithm.

By upper, advanced receivers are just considered during the first equipment feedback CSI in the present embodiment（Such as IC receivers）The rational CSI of power feedback, can more accurately reflect rejection ability of the first equipment for employing same advanced receivers in data transfer to interference, be easy to the network equipment more reasonably to be dispatched. In the present embodiment, if the first equipment possesses advanced reception pattern, it can specifically be interpreted as in the first equipment being provided with advanced receivers/receiver, and then the first equipment feedback CSI, it is contemplated that the power feedback CSI of advanced receivers.

The 4th kind it is optional realize scene, the step 302 in the method for the channel condition information measurement shown in earlier figures 3C may include the sub-step 3021d not shown in following figures_:3021d, first equipment determine the signal intensity of first signal according to first signal of reception, the interference strength of the secondary signal are determined according to the secondary signal of reception, and determine the interference strength that other interference signals in addition to the secondary signal are caused according to IMR information；

The interference strength of the secondary signal is modified, revised interference strength is obtained, and then CSI is determined according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to first equipment, for indicating interferometry resource.

In specific application, first equipment determines the signal intensity of first signal according to first signal of reception, and the interference strength of the secondary signal is determined according to the secondary signal of reception, and measure the interference strength that other interference signals are caused in addition to secondary signal on the different RE of the RE from carrying secondary signal, and the interference strength of the secondary signal is modified obtains revised interference strength, and then according to the signal intensity of first signal, the interference strength of the revised interference strength and other interference signals obtains SINR, CSI is determined according to the SINR.

For example, the interference strength of the signal intensity, the revised interference strength and other interference signals according to first signal obtains SINR, including：

Wherein, the P_csirs is the signal intensity to SINR=P_csirs/ (IC_factorxP_intf_2+P_intf_other) (3)；

P_intf_2 is the interference strength caused by the secondary signal transmitted by the 3rd equipment；

P_intf_other is the interference strength caused by other signals in addition to the signal transmitted by the 3rd equipment；

IC_factor deletes the factor for interference.

In the present embodiment, the first device measuring bearing downlink RS RE obtains signal intensity P_csirs, and the up RS of measurement carrying RE obtains the interference strength for the interference source for sending the up RS P_intf_2, measures other RE in addition to the RE for carrying up RS to obtain interference or the interference noise intensity P_intf_other of other interference sources, and obtains according to measurement result the CSI of feedback.

With reference to the foregoing optional embodiment for realizing the amendment interference strength referred in scene, the first equipment for employing advanced reception pattern obtains comprising the following steps that for fed back CSI：

Step 1: the first device measuring bearing downlink RS RE obtains signal intensity P_csir_S, the intensity of up RS in the RE for the up RS of carrying that the 3rd equipment is sent is measured, such as the intensity that measurement obtains SRS in the odd subcarriers of last symbol is P_intf_2;

Step 2: the RE that miscellaneous equipment of first device measuring in addition to the RE for the up RS of carrying that the 3rd equipment is sent is sent for example is measured with obtaining interference strength or interference noise intensity（8,5) and (8,6) two RE power, obtain P_intf_other.

Step 3: the up RS that the 3rd equipment is sent is considered as reducible interference and feeds back CSI, it is that this can be according to above-mentioned formula（3) SINR is calculated, and further obtains fed back CSI.

It is understood that above-mentioned formula（And formula 3)（2) difference is that RE when obtaining P_intf_2 is different from the RE measured by acquisition P_intf_other.

For example, for the PRB pair shown in Fig. 4, the first equipment exists（9,5) and（9,6) signal intensity that measurement obtains CSI-RS on two RE is P_csir_S, SRS is measured in the odd subcarriers of last symbol and obtains sending the interference strength P_intf_2 that SRS interference source is caused,（8,5) and（8,6) measurement obtains interference or the interference noise intensity P_intf_other that other interference sources are caused on two RE, according to above-mentioned formula（3) SINR is calculated, and further obtains fed back CSI.

By upper, first equipment just considers that advanced reception pattern feeds back rational CSI when feeding back CSI, rejection ability of the first equipment for employing same advanced reception pattern in data transfer to interference can more accurately be reflected, be easy to the network equipment more reasonably to be dispatched.

The 5th kind it is optional realize scene, determine to report the CSI of the second equipment to may include the one or more in following information in Fig. 3 C step 302： CQI、 RI、 PMI.

For example, the CSI includes at least one in following items：First CQI corresponding with the first signal, twoth CQI corresponding with secondary signal;

First PMI corresponding with the first signal, twoth PMI corresponding with secondary signal.

Alternatively, when the CSI includes a first RI and PMI, described first RI and the first PMI are jointly encoded；

In specific application, the CSI may include：First CQI corresponding with the first signal, first RI corresponding with the first signal, first PMI corresponding with the first signal, twoth RI corresponding with secondary signal, twoth PMI corresponding with secondary signal.

Alternatively, the first equipment is to bearing downlink RS RE and carries up RS RE and measures, according to respective measurement feedback each RI, the first RI and the 2nd RI as above.

In LTE system, CSI includes RI, and for representing that the suggestion network equipment transmits the space number of plies of signal, as a rule, channel condition is better, and RI is bigger, that is to say can the multiple signal streams of simultaneous transmission to strengthen efficiency of transmission.

Thus, in the present embodiment, first equipment needs to measure the up RS that at least one the 3rd equipment is sent, and it can also further reduce the interference that the upward signal of at least one the 3rd equipment transmission is caused, therefore, first equipment not only needs to measure descending RS to obtain RI, in addition it is also necessary to measure up RS to obtain RI, is easy to carry out rational combined dispatching at least one the 3rd equipment and the second equipment.

In addition, the first equipment is measured to bearing downlink RS RE, a precoding vector/pre-coding matrix in the first code book is indicated according to the PMI of measurement feedback the first, the first PMI；The RE for carrying up RS is measured, a precoding vector/pre-coding matrix in the second code book is indicated according to the PMI of measurement feedback the 2nd, the 2nd PMI.

Currently, UE measures CSI-RS, and according to measurement feedback PMI, for UE to be thought into the precoding vector/pre-coding matrix for being best suited for transmission notifies the network equipment, it is easy to the network equipment to use suitable precoding vector/pre-coding matrix according to information selection；And in LTE system, due to different, the code book used the characteristics of uplink is with downlink transfer（Codebook it is) different, such as table 2 below and table 3 sets forth up code book and descending code book, all correspond to the scene of two antennas.

For uplink, UE send SRS, the network equipment measure and determine the space number of plies and table 2 in one of precoding vector/pre-coding matrix, to UE send control signaling indicate these information（Including PMI)；For downlink transfer, the network equipment sends CSI-RS, UE is measured and is determined one of precoding vector/pre-coding matrix in the space number of plies and table 3 of suggestion, the network equipment determines the space number of plies and PMI according to UE feedback, and is sent control signaling instruction these information to UE. Table 2

Table 3

In the present embodiment, the first equipment not only needs to measure descending CSI-RS, in addition it is also necessary to measures uplink SRS, and feeds back respective PMI.Because the up RS of the first device measuring purpose is to send PMI used in signal to determine to dispatch the 3rd equipment, therefore the first device measuring uplink SRS and during according to measurement feedback PMI, the PMI is different with the PMI of the measurement corresponding feedbacks of CSI-RS.

Specifically, the first device measuring CSI-RS, according to the PMI of measurement feedback the first, an element in the PMI dial gauges 3；And the first device measuring SRS, according to the PMI of measurement feedback the 2nd, an element in the PMI dial gauges 2.

In addition, in specific application scenarios, the first equipment is measured to the RE for carrying up RS or descending RS, and determines RI and PMI according to measurement result, and RI the and PMI combined codings to feedback and is fed back.

Just as can be seen that Ρ Μ Ι are relatively simple from table 2 and table 3, RI information is also relatively fewer, Therefore combined coding can be carried out to RI and PMI and is fed back with the expense of compressed feedback, as shown in table 4 below, 8 kinds of RI, PMI combination can be fed back by 3 bits.

Table 4

Alternatively, the measurement result to up RS is considered as interference and obtains feedback by the first equipment

Measurement result to up RS is considered as reducible interference and feeds back CQI by CQI, or the first equipment.The CQI of the feedback is used for the MCS ranks for indicating the downlink data transmission of suggestion.

Specifically, the first equipment is according to the measurement to descending CSI-RS and regards to the measurement result of uplink SRS and feed back the Modulation and Coding Scheme advised as interference（Modulation and Coding

Scheme, abbreviation MCS) rank, it is easy to the second equipment such as network equipment to determine PDSCH MCS ranks according to the information, and Channel Coding and Modulation is carried out to data according to the information of the MCS ranks.

It should be noted that, first equipment need to feed back the corresponding CQI of signal of the second equipment transmission, without feeding back the corresponding CQI of signal that the 3rd equipment is sent, because MCS is only used for Channel Coding and Modulation, the interference fringe that the 3rd equipment causes the first equipment reception PDSCH will not be made to significantly affect.

The 6th kind it is optional realize scene, before the step 302 in the method for the channel condition information measurement shown in earlier figures 3C, methods described may also include the step 300 shown in below figure 3F:

300th, first equipment receives the resource distribution message that the second equipment or the 4th equipment are sent, and the resource distribution message includes：The RE information of first signal is carried, the RE information of the secondary signal is carried；

Correspondingly, foregoing step 302 can be specially following step 302':

302', first equipment determine to carry the RE of first signal, carry the RE of secondary signal according to the RE information and the RE information of the carrying secondary signal that carry first signal, and the RE of the RE for carrying first signal and the carrying secondary signal is measured, CSI is determined according to measurement result;

Wherein, the 4th equipment is the control device of second equipment. It should be noted that, foregoing step 300 is located at before step 301 in Fig. 3 F, and in other embodiments, foregoing step 300 be may be additionally located at after step 301, before step 302, and the present embodiment by way of example only, is not limited thereof.

In the present embodiment, it is that can determine that CSI that the RE of the first signal and the RE of carrying secondary signal can be carried by measuring, and thus, is easy to network equipment flexible configuration.For example, the second equipment can be without notifying the corresponding transmitter of secondary signal to the first equipment（That is the 3rd equipment）Details, the RE for only notifying the first device measuring to specify need not for example notify to the first equipment, and the RE of carrying secondary signal is that non-networked device is sent by UE.

The 7th kind it is optional realize scene, the method for the channel condition information measurement shown in earlier figures 3C may also include the step 304a shown in below figure 3G:

304a, the first equipment determines Power Control according to the secondary signal（Power Control, abbreviation PC) suggestion, PC suggestions are sent to the second equipment, the 3rd equipment or the 4th equipment；Wherein, the 4th equipment is control device such as center control nodes of second equipment etc..For example, after the SRS that the equipment of first device measuring the 3rd is sent, it can just know that the signal that the 3rd equipment is sent receives the interference that PDSCH is caused to the first equipment, so that it is determined that the power of the signal sent to the 3rd equipment adjusts recommended value, and the second equipment such as network equipment is fed back to, it is easy to the network equipment to send control signaling to adjust its transmit power to the 3rd equipment.Or, in other embodiments, the power adjustment recommended value of the signal sent to the 3rd equipment of determination is fed directly to the 3rd equipment by the first equipment, so that the 3rd equipment adjusts the power that recommended value adjustment sends signal according to power.

For example, the signal that first device measuring is sent to the 3rd equipment is too high, it can determine that the PC adjustment suggestion to upward signal is reduction 3dB by calculating, then report the second equipment such as network equipment, the latter sends PC adjustment signalings to adjust its transmit power to the 3rd equipment again.

The 8th kind it is optional realize scene, after the step 303 in the method for the channel condition information measurement shown in earlier figures 3C, methods described may also include not illustrated step 304b in below figure:

304b, first equipment receives the power deviation information that second equipment or the 4th equipment are sent, first equipment determines that PC advises according to the power deviation information and the secondary signal, and PC suggestions are sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is control device such as center control nodes of second equipment etc.；The power deviation information is the power deviation between the data-signal that secondary signal and the 3rd equipment are sent. Currently, in LTE system, there is a deviation in the power that the SRS and its PUSCH sent that the 3rd equipment is sent are used, the deviation is that the network equipment determines and sends signaling to the 3rd equipment to configure.Therefore, in the present embodiment, the signal intensity for the SRS that the first device measuring is sent to the 3rd equipment can not represent the interference that the PUSCH of the 3rd equipment transmission is caused to the first equipment reception PDSCH.

Therefore, the network equipment（As above the second equipment or the 4th equipment）To the first equipment transmit power deviation information, the first equipment, which uses the information to calculate, advises and reports to the PC that the 3rd equipment sends upward signal.

For example, 3rd equipment sends power high 3dBs of the SRS than sending PUSCH, then the deviation information is notified the first equipment by the network equipment, the interference that the SRS that although first equipment measure the transmission of the 3rd equipment is caused is larger, need to reduce 3dB, but, due to the presence of the deviation, the interference that the PUSCH that just the 3rd equipment of explanation is sent is caused to the first equipment reception PDSCH is little, therefore the first equipment need not just report the recommended value that the PC is adjusted, or it is 0dB to report PC to adjust recommended value.

The 9th kind it is optional realize scene, the method for the channel condition information measurement shown in earlier figures 3C may also include the step 301a shown in below figure 3H:

301a, the first equipment to second equipment, the 3rd equipment or or the 4th equipment send the notification message for the configuration information for carrying first equipment；The notification message includes：Whether support receives the first information of upward signal and downstream signal, and/or, if the second information with interference deletion ability;Wherein, the 4th equipment is control device such as center control nodes of second equipment etc..Alternatively, between foregoing step 301a and step 301, methods described may also include the step 301b not shown in below figure:

301b, first equipment receives the instruction configuration message that second equipment or the 4th equipment are sent, it is described to indicate that configuration message is used to indicate that first equipment receives the first signal that the second equipment is sent by down channel, and the secondary signal that at least one the 3rd equipment is sent by up channel is received, and CSI is determined according to first signal and the secondary signal;

Wherein, the 4th equipment is the control device of second equipment.

It is located at for any of the above-described the first equipment realized in scene and the 3rd equipment in different cells, or, first equipment and the 3rd equipment are located in identical cell.

The 3rd equipment in the present embodiment can be multiple, and now, the first equipment can be measured at least 2 sets up RS, according to measurement feedback CSI. In above-described embodiment, can make the first equipment device measuring uplink and downlink be used for measure RS, and according to measurement feedback CSI, be easy to network equipment combined dispatching uplink and downlink resource to lift resource utilization.

In the present invention, the signaling that the network equipment is sent to the first equipment is signaling specific to the first equipment, i.e. the signaling passes to the first equipment by way of unicast, so as to neatly control the first equipment in varying environment to use different configuration parameters, the different measurement of progress or feedback operation；When the first equipment is UE, the signaling is the distinctive signalings of UE.

Another aspect according to embodiments of the present invention, the embodiment of the present invention also provides a kind of communication equipment, as shown in Figure 5A, and the communication equipment in the present embodiment includes receiver 51 and processor 52;

Wherein, the receiver 51 is used to receive the first signal that the second equipment is sent by down channel, and receives the secondary signal that at least one the 3rd equipment is sent by up channel；

The first signal and the secondary signal that the processor 52 is used to be received according to the receiver 51 determine channel condition information CSI.

In one kind optionally realizes scene, the communication equipment in previous embodiment may also include：Transmitter 53;As shown in Figure 5 B, the CSI that the transmitter 53 is used to determine the processor 52 is sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

In the present embodiment, first signal is one kind in CSI-RS and SRS；The secondary signal is one kind in CSI-RS and SRS.

Alternatively, the RE of the first signal of carrying is different from the RE for carrying the secondary signal.

The communication equipment of the present embodiment can be UE or the network equipment.

Optional scene is realized another, foregoing processor 52 specifically for, first signal received according to the receiver 51 determines the signal intensity of first signal, and the secondary signal received according to the receiver 51 determines the interference strength of the secondary signal, and then CSI is determined according to the signal intensity and the interference strength.

Optional scene is realized the 3rd, foregoing processor 52 specifically for, signal intensity that first signal received according to the receiver 51 determines first signal, the secondary signal received according to the receiver 51 determine the interference strength of the secondary signal, and determine according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal；According to the signal intensity of first signal, the interference strength of the secondary signal and described other The interference strength of interference signal determines CSI;

Optional scene is realized the 4th, foregoing processor 52 specifically for, first signal received according to the receiver 51 determines the signal intensity of first signal, and the secondary signal received according to the receiver 51 determines the interference strength of the secondary signal, and the interference strength is modified obtains revised interference strength, and then CSI is determined according to the signal intensity and the revised interference strength.

Optional scene is realized the 5th, foregoing processor 52 specifically for, first signal received according to the receiver 51 determines the signal intensity of first signal, the interference strength of the secondary signal is determined according to the secondary signal of the receiver 51 reception, and determines the interference strength that other interference signals in addition to the secondary signal are caused according to IMR information；

The interference strength of the secondary signal is modified and obtains revised interference strength, and then CSI is determined according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to communication equipment, for indicating interferometry resource.

Optional scene is realized the 6th, foregoing processor 52 is additionally operable to, it is determined that after the CSI, the transmission of the PDSCH between the communication equipment and second equipment is realized using advanced reception pattern, or, the transmission of the PUSCH between the communication equipment and the 3rd equipment is realized using advanced reception pattern.

For example, advanced reception pattern is one kind in following reception patterns：

Using the reception pattern of interference deletion algorithm；

Using the reception pattern of MIMO receiving algorithms；

Using the reception pattern of MU-MIMO receiving algorithms.

It is foregoing it is any it is optional realize scene, the CSI includes the one or more in following information：

CQK RI and PMI.

For example, the CSI includes at least one in following items：Corresponding with the first signal One CQI, twoth CQI corresponding with secondary signal;First RI corresponding with the first signal, twoth RI corresponding with secondary signal;And, first PMI corresponding with the first signal, twoth PMI corresponding with secondary signal.

Especially, when the CSI includes a first RI and PMI, the first RI and the first PMI are jointly encoded；

Certainly, the first PMI may be used to indicate the precoding vector or pre-coding matrix of the first code book, and the 2nd PMI may be used to indicate the precoding vector or pre-coding matrix of the second code book different from the first code book.

In specific application, the CSI may include：First CQI corresponding with the first signal, first RI corresponding with the first signal, first PMI corresponding with the first signal;Twoth RI corresponding with secondary signal, twoth PMI corresponding with secondary signal.

The 7th it is optional realize scene, foregoing receiver 51 is additionally operable to, before the processor 52 determines the CSI, receives the resource distribution message that the second equipment or the 4th equipment are sent, and the resource distribution message includes：The RE information of first signal is carried, the RE information of the secondary signal is carried；

Correspondingly, the processor 52 specifically for, the RE information of carrying first signal received according to the receiver 51 and the RE information of the carrying secondary signal determine to carry the RE of first signal, carry the RE of secondary signal, and the RE of the RE for carrying first signal and the carrying secondary signal is measured, CSI is determined according to measurement result;

Wherein, the 4th equipment is the control device of second equipment.

The 8th it is optional realize scene, the processor 52 is additionally operable to, it is determined that after the CSI, determining that Power Control PC advises according to the secondary signal；

The transmitter 53 is additionally operable to, and after the processor 52 determines the PC suggestions, PC suggestions are sent to the second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

Optional scene is realized the 8th, the receiver 51 is additionally operable to, before the processor 52 determines the CSI, receive the power deviation information that second equipment or the 4th equipment are sent, correspondingly, the processor 52 is additionally operable to, and the power deviation is received in the receiver 51 After information, determine that PC advises according to the power deviation information and the secondary signal, the transmitter 53 is additionally operable to after the processor 52 determines the PC suggestions, and PC suggestions are sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment；

The 9th it is optional realize scene, the transmitter 53 is additionally operable to, before the receiver receives first signal and the secondary signal, and the notification message for the configuration information for carrying the communication equipment is sent to second equipment or the 4th equipment；The notification message includes：Whether support receives the first information of upward signal and downstream signal, and/or, if the second information with interference deletion ability；

Wherein, the 4th equipment is the control device of second equipment.

Optional scene is realized the tenth, the receiver 51 is additionally operable to, after the transmitter 53 sends the notification message, receive the instruction configuration message that second equipment or the 4th equipment are sent, it is described to indicate that configuration message is used to indicate to receive the first signal that the second equipment is sent by down channel, and the secondary signal that at least one the 3rd equipment is sent by up channel is received, and CSI is determined according to first signal and the secondary signal;

Wherein, the 4th equipment is the control device of second equipment.

Above-mentioned communication equipment, first signal is received by receiver, and receive secondary signal, and then processor determines channel condition information according to the first signal and secondary signal, thus, the channel condition information dispatching uplink resource that determines according to processor of the network equipment and downlink resource can be achieved to lift the utilization rate of resource.

Another aspect according to embodiments of the present invention, the embodiment of the present invention also provides a kind of communication equipment, as shown in Figure 6A, and the communication equipment in the present embodiment includes receiving unit 61 and processing unit 62;Wherein, the receiving unit 61 is used to receive the first signal that the second equipment is sent by down channel, and receives the secondary signal that at least one the 3rd equipment is sent by up channel；

First signal and the secondary signal that processing unit 62 is used to be received according to the receiving unit 61 determine channel condition information CSI.

As shown in Figure 6B, the communication equipment of the present embodiment also includes transmitting element 63, wherein, the CSI that transmitting element 63 is used to determine the processing unit 62 is sent to second equipment, institute State the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

For example, the first signal can be one kind in CSI-RS and SRS；Secondary signal can be one kind in CSI-RS and SRS.

In addition, the RE of the first signal of carrying can be different from carrying the RE of secondary signal.

Certainly, foregoing communication equipment can be UE or the network equipment；Second equipment can be the network equipment；3rd equipment can be UE.

In one kind optionally realizes scene, foregoing processing unit 62 can determine the signal intensity of first signal specifically for first signal received according to receiving unit 61, and the secondary signal received according to receiving unit 61 determines the interference strength of the secondary signal, and then CSI is determined according to the signal intensity and the interference strength.

Optional scene is realized at second, signal intensity that foregoing processing unit 62 can determine first signal specifically for first signal received according to receiving unit 61, the secondary signal received according to receiving unit 61 determine the interference strength of the secondary signal, and determine according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal；And then CSI is determined according to the interference strength of the signal intensity of first signal, the interference strength of the secondary signal and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to the communication equipment.

In the third optionally realizes scene, foregoing processing unit 62 can determine the signal intensity of first signal specifically for first signal received according to receiving unit 61, and the secondary signal received according to receiving unit 61 determines the interference strength of the secondary signal, and, SINR is obtained according to the interference strength of the signal intensity of first signal and the secondary signal, CSI is determined according to the SINR.

Optional scene is realized at the 4th kind, foregoing processing unit 62 can determine the signal intensity of first signal specifically for first signal received according to receiving unit 61, and the secondary signal received according to receiving unit 61 determines the interference strength of the secondary signal, and the interference strength is modified obtains revised interference strength, and then CSI is determined according to the signal intensity and the revised interference strength.

It is for example, described that CSI is determined according to the signal intensity and the revised interference strength, Including：Signal to Interference plus Noise Ratio SINR is obtained according to the signal intensity and the revised interference strength, CSI is determined according to the SINR.

Optional scene is realized at the 5th kind, signal intensity that foregoing processing unit 62 can determine first signal specifically for first signal received according to receiving unit 61, the secondary signal received according to receiving unit 61 determine the interference strength of the secondary signal, and determine according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal；The interference strength of the secondary signal is modified and obtains revised interference strength, and then CSI is determined according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to the communication equipment, for indicating interferometry resource.

For example, the interference strength of the signal intensity, the revised interference strength and other interference signals according to first signal determines CSI, including：

In addition, the receiving unit 61 of foregoing communication equipment is determined in processing unit 62 after CSI, the transmission of the PDSCH between the communication equipment and second equipment can be realized using advanced reception pattern, or, the communication equipment realizes the transmission of the PUSCH between the communication equipment and the 3rd equipment using advanced reception pattern.

For example, the advanced reception pattern is one kind in following reception patterns：

Using the reception pattern of interference deletion algorithm；

Using the reception pattern of MIMO receiving algorithms；

Using the reception pattern of MU-MIMO receiving algorithms.

It is any of the above-described it is optional realize scene, the CSI that processing unit 62 is determined may include the one or more in following information：CQI, RI and PMI etc..

Or, the CSI that processing unit 62 is determined may include at least one in following items：Corresponding first CQI of first signal, twoth CQI corresponding with secondary signal;

First RI corresponding with the first signal, twoth RI corresponding with secondary signal;And first PMI corresponding with the first signal, twoth PMI corresponding with secondary signal. In specific application, the first PMI is used for the precoding vector or pre-coding matrix for indicating the first code book, and the 2nd PMI is used for the precoding vector or pre-coding matrix for indicating the second code book different from the first code book.

It should be noted that when the CSI includes a first RI and PMI, the first RI and the first PMI are jointly encoded；

Alternatively, the CSI that processing unit 62 is determined may include：First CQI corresponding with the first signal, first RI corresponding with the first signal, first PMI corresponding with the first signal;Twoth RI corresponding with secondary signal, twoth PMI corresponding with secondary signal.

The 6th kind it is optional realize scene, receiving unit 61 receives the resource distribution message that the second equipment or the 4th equipment are sent before processing unit 62 determines CSI, and the resource distribution message includes：The RE information of first signal is carried, the RE information of the secondary signal is carried；

Correspondingly, processing unit 62 is received in receiving unit 61 after resource distribution message, RE information and the RE information of the carrying secondary signal according to first signal is carried determine to carry the RE of first signal, carry the RE of secondary signal, and the RE of the RE for carrying first signal and carrying secondary signal is measured, CSI is determined according to measurement result;

Wherein, the 4th equipment is the control device of second equipment.

Optional scene is realized at the 7th kind, foregoing processing unit 62 is additionally operable to, it is determined that after the CSI, determine that Power Control PC advises according to the secondary signal, the transmitting element 63 is determined in the processing unit 62 after the PC suggestions, and PC suggestions are sent to the second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

The 8th kind it is optional realize scene, foregoing receiving unit 61 is additionally operable to before the processing unit 62 determines the CSI, receives the power deviation information that second equipment or the 4th equipment are sent,

Foregoing processing unit 62 is additionally operable to after the receiving unit 61 receives the power deviation information, determine that PC advises according to the power deviation information and the secondary signal, the transmitting element 63 is additionally operable to after the processing unit 62 determines the PC suggestions, and PC suggestions are sent to second equipment, the 3rd equipment or the 4th equipment； Wherein, the 4th equipment is the control device of second equipment；

The 9th kind it is optional realize scene, before the first signal and secondary signal is received, the notification message for the configuration information for carrying the communication equipment is sent to second equipment or the 4th equipment in receiving unit 61 for foregoing transmitting element 63；The notification message includes：Whether support receives the first information of upward signal and downstream signal, and/or, if the second information with interference deletion ability；Wherein, the 4th equipment is the control device of second equipment.

Alternatively, receiving unit 61 is after transmitting element 63 sends a notification message, the instruction configuration message that second equipment or the 4th equipment are sent can be received, it is described to indicate that configuration message is used to indicate that the communication equipment receives the first signal that the second equipment is sent by down channel, and the secondary signal that at least one the 3rd equipment is sent by up channel is received, and CSI is determined according to first signal and the secondary signal;

Wherein, the 4th equipment is the control device of second equipment.

In the present embodiment, foregoing communication equipment and the 3rd equipment can be located in different cells, or, foregoing communication equipment and the 3rd equipment are located in identical cell.

Above-mentioned communication equipment, first signal is received by receiving unit, and receive secondary signal, and then processing unit determines channel condition information according to the first signal and secondary signal, thus, the channel condition information dispatching uplink resource that determines according to processing unit of the network equipment and downlink resource can be achieved to lift the utilization rate of resource.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can be completed by the related hardware of programmed instruction.Foregoing program can be stored in a computer read/write memory medium.The program upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.

Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.

Claims

Claims

1st, a kind of method of channel condition information measurement, it is characterised in that including：

First equipment receives the first signal that the second equipment is sent by down channel, and receives the secondary signal that at least one the 3rd equipment is sent by up channel；

First equipment determines channel condition information according to first signal and the secondary signal

CSI。

2nd, according to the method described in claim 1, it is characterised in that also include：

First equipment sends the CSI to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

3rd, method according to claim 1 or 2, it is characterised in that first signal is one kind in channel state information reference signals CSI-RS and detection reference signal SRS；

The secondary signal is one kind in CSI-RS and SRS.

4th, according to any described method of claims 1 to 3, it is characterised in that the resource unit RE of carrying first signal is different from the RE for carrying the secondary signal.

5th, according to any described method of Claims 1-4, it is characterised in that first equipment is user equipment (UE) or the network equipment；

Second equipment is the network equipment；

3rd equipment is UE.

6th, according to any described method of claim 1 to 5, it is characterised in that first equipment determines CSI according to first signal and the secondary signal, including：

First equipment determines the signal intensity of first signal according to first signal of reception, and determines according to the secondary signal of reception the interference strength of the secondary signal；

First equipment determines CSI according to the signal intensity and the interference strength.

7th, according to any described method of claim 1 to 5, it is characterised in that first equipment determines CSI according to first signal and the secondary signal, including：

First equipment determines the signal intensity of first signal according to first signal of reception, the interference strength of the secondary signal determined according to the secondary signal of reception, and determines according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal； First equipment determines CSI according to the interference strength of the signal intensity of first signal, the interference strength of the secondary signal and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to first equipment.

8th, method according to claim 6, it is characterised in that first equipment determines CSI according to the signal intensity and the interference strength, including：

First equipment obtains Signal to Interference plus Noise Ratio according to the signal intensity and the interference strength

SINR, CSI is determined according to the SINR.

9th, according to any described method of claim 1 to 5, it is characterised in that first equipment determines CSI according to first signal and the secondary signal, including：

First equipment determines the signal intensity of first signal according to first signal of reception, and the interference strength of the secondary signal is determined according to the secondary signal of reception, and the interference strength is modified obtains revised interference strength；

First equipment determines CSI according to the signal intensity and the revised interference strength.10th, according to any described method of claim 1 to 5, it is characterised in that first equipment determines CSI according to first signal and the secondary signal, including：

First equipment determines the signal intensity of first signal according to first signal of reception, the interference strength of the secondary signal determined according to the secondary signal of reception, and determines according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal；

The interference strength of the secondary signal is modified by first equipment obtains revised interference strength, and CSI is determined according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to first equipment.

11st, the method according to claim 9 or 10, it is characterised in that methods described also includes：

First equipment realizes the transmission of the Physical Downlink Shared Channel PDSCH between first equipment and second equipment using advanced reception pattern, or, first equipment realizes the Physical Uplink Shared Channel between first equipment and the 3rd equipment using advanced reception pattern PUSCH transmission.

12nd, method according to claim 11, it is characterised in that the advanced reception pattern is one kind in following reception patterns：

Using the reception pattern of interference deletion algorithm；

Using the reception pattern of multiple-input, multiple-output MIMO receiving algorithms；

Using the reception pattern of multi-user's multiple-input, multiple-output MU-MIMO receiving algorithms.

13rd, method according to claim 9, it is characterised in that first equipment determines CSI according to the signal intensity and the revised interference strength, including：

First equipment obtains Signal to Interference plus Noise Ratio SINR according to the signal intensity and the revised interference strength, and CSI is determined according to the SINR.

14th, method according to claim 10, it is characterised in that the interference strength of the signal intensity, the revised interference strength and other interference signals according to first signal determines CSI, including：

Signal to Interference plus Noise Ratio SINR is obtained according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals, CSI is determined according to the SINR.

15th, according to any described method of claim 1 to 14, it is characterised in that the CSI includes the one or more in following information：

Channel quality indicator (CQI), order instruction RI and pre-coding matrix instruction PMI.

16th, according to any described method of claim 1 to 14, it is characterised in that

The CSI includes at least one in following items：

First CQI corresponding with the first signal, twoth CQI corresponding with secondary signal;

First RI corresponding with the first signal, twoth RI corresponding with secondary signal;And first PMI corresponding with the first signal, twoth PMI corresponding with secondary signal;

Methods described also includes：

When the CSI includes a first RI and PMI, the first RI and the first PMI are jointly encoded；

When the CSI includes the 2nd RI and two PMI, the 2nd RI and the 2nd PMI are jointly encoded.

17th, method according to claim 16, it is characterised in that the first PMI is used for the precoding vector or pre-coding matrix for indicating the first code book, the 2nd PMI is used to indicate to be different from the first code book The second code book precoding vector or pre-coding matrix.

18th, according to any described method of claim 1 to 14, it is characterised in that the CSI includes：

First CQI corresponding with the first signal, first RI corresponding with the first signal, first PMI corresponding with the first signal;

Twoth RI corresponding with secondary signal, twoth PMI corresponding with secondary signal.

19th, according to any described method of claim 1 to 18, it is characterised in that before the step of first equipment determines CSI according to first signal and the secondary signal, in addition to：First equipment receives the resource distribution message that the second equipment or the 4th equipment are sent, and the resource distribution message includes：The RE information of first signal is carried, the RE information of the secondary signal is carried；

First equipment determines CSI according to first signal and the secondary signal, specifically includes：First equipment is according to the RE of the RE information for carrying first signal and RE information determination carrying first signal for carrying the secondary signal, the RE of the carrying secondary signal, and the RE of the RE for carrying first signal and the carrying secondary signal is measured, CSI is determined according to measurement result;

Wherein, the 4th equipment is the control device of second equipment.

20th, according to any described method of claim 1 to 19, it is characterised in that methods described also includes：

First equipment determines that Power Control PC advises according to the secondary signal, and PC suggestions are sent to the second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

21st, according to any described method of claim 1 to 19, it is characterised in that methods described also includes：

First equipment receives the power deviation information that second equipment or the 4th equipment are sent, first equipment determines that PC advises according to the power deviation information and the secondary signal, and PC suggestions are sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment；

The power deviation information is the power deviation between the data-signal that the secondary signal and the 3rd equipment are sent. 22nd, according to any described method of claim 1 to 21, it is characterized in that, first equipment receives the first signal that the second equipment is sent by down channel, and before receiving the secondary signal that at least one the 3rd equipment is sent by up channel, methods described also includes：

First equipment sends the notification message for the configuration information for carrying first equipment to second equipment or the 4th equipment；

The notification message includes：Whether support receives the first information of upward signal and downstream signal, and/or, if the second information with interference deletion ability；

Wherein, the 4th equipment is the control device of second equipment.

23rd, method according to claim 22, it is characterised in that methods described also includes：First equipment receives the instruction configuration message that second equipment or the 4th equipment are sent, it is described to indicate that configuration message is used to indicate that first equipment receives the first signal that the second equipment is sent by down channel, and the secondary signal that at least one the 3rd equipment is sent by up channel is received, and CSI is determined according to first signal and the secondary signal;

Wherein, the 4th equipment is the control device of second equipment.

24th, according to any described method of claim 1 to 23, it is characterised in that

First equipment and the 3rd equipment are located in different cells, or, first equipment and the 3rd equipment are located in identical cell.

25th, a kind of communication equipment, it is characterised in that including：Receiver and processor；

The receiver, for receiving the first signal that the second equipment is sent by down channel, and receives the secondary signal that at least one the 3rd equipment is sent by up channel；

The processor, the first signal and the secondary signal for being received according to the receiver determine channel condition information CSI.

26th, equipment according to claim 25, it is characterised in that also including transmitter；The transmitter, the CSI for the processor to be determined is sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

27th, the equipment according to claim 25 or 26, it is characterised in that first signal is one kind in channel state information reference signals CSI-RS and detection reference signal SRS；

The secondary signal is one kind in CSI-RS and SRS.

28th, according to any described equipment of claim 25 to 27, it is characterised in that carrying is described The resource unit RE of first signal is different from the RE for carrying the secondary signal.

29th, according to any described equipment of claim 25 to 28, it is characterised in that the communication equipment is user equipment (UE) or the network equipment.

30th, according to any described equipment of claim 25 to 29, it is characterised in that the processor, specifically for

First signal received according to the receiver determines that the signal intensity of first signal, and the secondary signal received according to the receiver determine the interference strength of the secondary signal；

CSI is determined according to the signal intensity and the interference strength.

31st, according to any described equipment of claim 25 to 29, it is characterised in that the processor, specifically for

Signal intensity that first signal received according to the receiver determines first signal, the secondary signal received according to the receiver determine the interference strength of the secondary signal, and determine according to interferometry resource IMR information the interference strength of other interference signals in addition to the secondary signal；

CSI is determined according to the interference strength of the signal intensity of first signal, the interference strength of the secondary signal and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to communication equipment.

32nd, according to any described equipment of claim 25 to 29, it is characterised in that the processor, specifically for

First signal received according to the receiver determines the signal intensity of first signal, and the secondary signal received according to the receiver determines the interference strength of the secondary signal, and the interference strength is modified obtains revised interference strength；

CSI is determined according to the signal intensity and the revised interference strength.

33rd, according to any described equipment of claim 25 to 29, it is characterised in that the processor, specifically for

First signal received according to the receiver determines the signal intensity of first signal, the interference strength of the secondary signal is determined according to the secondary signal of receiver reception, and determines the interference strength that other interference signals in addition to the secondary signal are caused according to interferometry resource IMR information； The interference strength of the secondary signal is modified and obtains revised interference strength, CSI is determined according to the interference strength of the signal intensity of first signal, the revised interference strength and other interference signals;

The RE for carrying the IMR information is different from the RE for carrying the secondary signal, the information that the IMR information sends for the control device of the second equipment or the second equipment to communication equipment.

34th, the equipment according to claim 31 or 33, it is characterised in that the processor, is additionally operable to

It is determined that after the CSI, the transmission of the Physical Downlink Shared Channel PDSCH between the communication equipment and second equipment is realized using advanced reception pattern, or, the transmission of the Physical Uplink Shared Channel PUSCH between the communication equipment and the 3rd equipment is realized using advanced reception pattern.

35th, equipment according to claim 34, it is characterised in that the advanced reception pattern is one kind in following reception patterns：

Using the reception pattern of interference deletion algorithm；

Using the reception pattern of multiple-input, multiple-output MIMO receiving algorithms；

Using the reception pattern of multi-user's multiple-input, multiple-output MU-MIMO receiving algorithms.

36th, according to any described equipment of claim 25 to 35, it is characterised in that the CSI includes the one or more in following information：

Channel quality indicator (CQI), order instruction RI and pre-coding matrix instruction PMI.

37th, according to any described equipment of claim 25 to 35, it is characterised in that

The CSI that the processor is determined includes at least one in following items：

First CQI corresponding with the first signal, twoth CQI corresponding with secondary signal;

First RI corresponding with the first signal, twoth RI corresponding with secondary signal;And, first PMI corresponding with the first signal, twoth PMI corresponding with secondary signal;

The processor is additionally operable to：When the CSI includes a first RI and PMI, the first RI and the first PMI are jointly encoded；

When the CSI includes the 2nd RI and two PMI, the 2nd RI and the 2nd PMI are jointly encoded.

38th, the equipment according to claim 37, it is characterised in that the first PMI is used for the precoding vector or pre-coding matrix for indicating the first code book, the 2nd PMI is used to indicate to be different from the first code book The second code book precoding vector or pre-coding matrix.

39th, according to any described equipment of claim 25 to 35, it is characterised in that the CSI includes：

First CQI corresponding with the first signal, first RI corresponding with the first signal, first PMI corresponding with the first signal;

Twoth RI corresponding with secondary signal, twoth PMI corresponding with secondary signal.

40th, according to any described equipment of claim 25 to 39, it is characterised in that the receiver, it is additionally operable to

Before the processor determines the CSI, the resource distribution message that the second equipment or the 4th equipment are sent is received, the resource distribution message includes：The RE information of first signal is carried, the RE information of the secondary signal is carried；

The processor, specifically for

The RE information of carrying first signal received according to the receiver and the RE information of the carrying secondary signal determine to carry the RE of first signal, the RE of the carrying secondary signal, and the RE of the RE for carrying first signal and the carrying secondary signal is measured, CSI is determined according to measurement result;

Wherein, the 4th equipment is the control device of second equipment.

41st, according to any described equipment of claim 25 to 40, it is characterised in that the processor, it is additionally operable to

It is determined that after the CSI, determining that Power Control PC advises according to the secondary signal；The transmitter, is additionally operable to

After the processor determines the PC suggestions, PC suggestions are sent to the second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment.

42nd, according to any described equipment of claim 25 to 41, it is characterised in that the receiver, it is additionally operable to

Before the processor determines the CSI, the power deviation information that second equipment or the 4th equipment are sent is received,

The processor, is additionally operable to

After the receiver receives the power deviation information, according to the power deviation information and The secondary signal determines that PC advises,

The transmitter, is additionally operable to after the processor determines the PC suggestions, PC suggestions is sent to second equipment, the 3rd equipment or the 4th equipment；

Wherein, the 4th equipment is the control device of second equipment；

The power deviation information is the power deviation between the data-signal that the secondary signal and the 3rd equipment are sent.

43rd, according to any described equipment of claim 25 to 42, it is characterised in that the transmitter, it is additionally operable to

Before the receiver receives first signal and the secondary signal, the notification message for the configuration information for carrying communication equipment is sent to second equipment or the 4th equipment；The notification message includes：Whether support receives the first information of upward signal and downstream signal, and/or, if the second information with interference deletion ability；

Wherein, the 4th equipment is the control device of second equipment.

44th, equipment according to claim 43, it is characterised in that the receiver, is additionally operable to

After the transmitter sends the notification message, receive the instruction configuration message that second equipment or the 4th equipment are sent, it is described to indicate that configuration message is used to indicate to receive the first signal that the second equipment is sent by down channel, and the secondary signal that at least one the 3rd equipment is sent by up channel is received, and CSI is determined according to first signal and the secondary signal;

Wherein, the 4th equipment is the control device of second equipment.