WO2019029750A1 - Channel state information sending and receiving methods and devices - Google Patents

Abstract

Provided in the present application are channel state information sending and receiving methods and devices. The channel state information sending method comprises: determining a sending mode for sending channel state information; and sending the channel state information by using the sending mode. The sending mode at least comprises one of the following modes: sending the channel state information by using an absolute value, and sending the channel state information by using a relative value.

Description

Channel status information, information transmitting and receiving method and device

Cross-reference to related applications

The present application is filed on the basis of a Chinese patent application filed on Jan.

Technical field

The present application relates to the field of communications, but is not limited to the field of communications, and in particular, to a channel state information, method, and apparatus for transmitting and receiving information.

Background technique

As one of the core enhancement technologies of New Radio Access (NR), high-frequency communication is one of the core technologies for providing high-bandwidth and high-capacity communication in future wireless communication. Relatively low frequency, the high frequency is characterized by the need to be based on beam communication, to resist its path loss, and to consider the cost problem, tend to mix the beam, at this time a communication node can only play a limited beam, can not reach omnidirectional coverage . Thereby the alignment of the beams is performed in the data communication.

In some embodiments. However, feedback of beam measurement and beam measurement is directly performed according to the method of the related art, and there is a problem that the signaling of consumption and the load of feedback are large.

Summary of the invention

The embodiment of the present application provides a method and device for transmitting and receiving channel state information.

According to an embodiment of the present application, a method for transmitting channel state information is provided, including: determining a transmission mode of transmission channel state information; and transmitting channel state information by using the transmission mode; wherein the sending mode includes at least the following manner One: transmitting the channel state information in an absolute value, and transmitting the channel state information in a relative value.

According to an embodiment of the present application, a channel state information receiving method is provided, including: determining a sending manner in which a first communications node sends channel state information; and receiving, according to the determined sending manner, a channel sent by the first communications node State information; wherein the sending mode includes at least one of: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.

According to an embodiment of the present application, an information sending method is provided, including: selecting a second resource set in a plurality of second type resource sets; transmitting the selected second resource set indication information, and/or, And transmitting, by the first resource, the index information in the selected second resource set; wherein the first resource is selected in the first type of resource set.

According to an embodiment of the present application, there is provided an information receiving method, including: receiving indication information of a second resource set sent by a first communication node, and/or receiving a first resource sent by the first communication node in the Index information in the selected second resource set; wherein the first resource is selected by the first communication node in a first type of resource set, and the second resource set is The second type of resource collection is selected.

According to an embodiment of the present application, an information sending method is provided, including: selecting a resource in a resource set; determining a first sending resource and a second sending resource; and transmitting, by the first sending resource, indication information of the selected resource And/or the first quality information of the selected resource, using the second sending resource to send the quality information of the selected resource or the second quality information of the selected resource, where the first quality information and the The second quality information is part of the quality information of the selected resource.

According to another embodiment of the present application, a channel state information transmitting apparatus is provided, including: a determining module configured to determine a sending mode of sending channel state information; and a sending module configured to send channel state information by using the sending mode; The sending mode includes at least one of: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.

According to another embodiment of the present application, a channel state information receiving apparatus is provided, including: a determining module configured to determine a sending manner of a channel state information sent by a first communications node; and a receiving module configured to send according to the determined The mode receives the channel state information sent by the first communications node, where the sending mode includes at least one of: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.

According to another embodiment of the present application, an information sending apparatus is provided, including: a selecting module, selecting a second resource set among a plurality of second type resource sets; and a sending module, configured to send the second type resource set The indication information, and/or the index information of the first resource in the second resource set, wherein the first resource is selected in the first resource set.

According to another embodiment of the present application, an information sending apparatus is provided, including: a selecting module configured to select a resource in a resource set; a determining module configured to determine a first sending resource and a second sending resource; and a sending module, And the first quality information is used to send the selected quality information or the second quality information by using the second sending resource, where the first quality information is configured to send the selected resource and the first quality information. And the second quality information is part information of quality information of the selected resource.

According to still another embodiment of the present application, a storage medium is also provided. The storage medium is arranged to store program code for performing the following steps:

Determining how to send the channel status information;

Transmitting channel state information by using the sending manner;

The sending mode includes at least one of the following modes: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.

A further embodiment of the present invention provides a communication device comprising: a memory and a processor, the processor being coupled to the memory, configured to run a program stored on the memory, wherein The aforementioned channel state information transmitting method is executed while the program is running.

Through the present application, channel state information is transmitted by using an absolute value or a relative value transmission mode. If a relative value is used for transmission, since the relative value is a difference value with respect to an absolute value of the reference, etc., the difference information can be reduced. The number of bits required, thereby reducing signaling overhead and reducing feedback load. Therefore, the technical problem that the feedback load is excessively large when the multi-beam is fed back in the related art can be solved, and the effect of reducing the feedback load of the reference signal received power is achieved.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the present application, and are intended to be a part of this application. In the drawing:

FIG. 1 is a diagram showing an example in which different CSI-RS resources correspond to different transmit beams, and beams are numbered according to a first vertical beam and then a horizontal beam;

2 is a schematic diagram of information of a PUCCH feedback referenced to a recent PUCCH feedback according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of information of PUCCH feedback referenced to PUSCH feedback according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of information of PUCCH feedback according to an embodiment of the present invention with reference to information fed back on a specific PUCCH;

FIG. 5 is a second type of resource set according to an embodiment of the present invention, which is determined by a feedback resource before a terminal that satisfies a predetermined condition in a time window;

6 is a schematic diagram of different sets of second type resource sets that can be selected on different time unit sets according to an embodiment of the present invention;

FIG. 7 is another schematic diagram of different sets of second type resource sets selectable on different time unit sets according to an embodiment of the present invention; FIG.

FIG. 8 is a diagram showing an example of a correspondence between a transmission resource and selected resource indication information according to an embodiment of the present invention;

9 is a schematic diagram of a correspondence between an absolute value transmission mode and a relative value transmission mode and a transmission window of the confirmation information according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a plurality of second sending resources in a sending period of a first sending resource according to an embodiment of the present disclosure;

11 is a primary signal of all resources corresponding to the indication information sent by the first transmission resource in each of the plurality of second transmission resources in a transmission period of the first transmission resource according to the embodiment of the present invention. / channel quality information schematic;

FIG. 12 is a part of the used resource corresponding to the indication information sent by the first transmission resource in each of the plurality of second transmission resources in one transmission period of the first transmission resource according to the embodiment of the present invention. Schematic diagram of resource signal/channel quality information;

FIG. 13 is a schematic diagram of resource indication information and reference quality information sent by a first transmission resource according to an embodiment of the present invention, and a second transmission resource sends relative quality information;

FIG. 14 is a schematic diagram of a measurement set obtained according to feedback resource indication information according to an embodiment of the present invention; FIG.

FIG. 15 is a flowchart of a method for sending channel state information according to an embodiment of the present disclosure;

FIG. 16 is a structural block diagram of a state information feedback apparatus according to an embodiment of the present invention;

FIG. 17 is a flowchart of a method for sending information according to an embodiment of the present application;

FIG. 18 is a flowchart of a method for sending information according to an embodiment of the present application;

FIG. 19 is a flowchart of another method for sending information according to an embodiment of the present invention.

FIG. 20 is a structural block diagram of a state information feedback apparatus according to an embodiment of the present invention;

FIG. 21 is a structural block diagram of a state information receiving apparatus according to an embodiment of the present disclosure;

FIG. 22 is a structural block diagram of an information sending apparatus according to an embodiment of the present application;

FIG. 23 is a structural block diagram of another information sending apparatus according to an embodiment of the present application;

FIG. 24 is a schematic structural diagram of a communication device according to an embodiment of the present invention.

Detailed ways

The present application will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or order.

Similar to Long Time Evolution (LTE), different Channel State Information-Reference Signal (CSI-RS) resources may be used to represent different transmit beams, and the terminal selects CSI-RS resources and/or CSI. - The RS port achieves the purpose of selecting a beam, but considering that the size of the high frequency antenna is relatively small, one RF channel can correspond to a large antenna array, so that the width of the transmission beam can be very fine, such that the total number of transmission beams in one cell The number can be many, and the receiving beam scanning is considered, so that the CSI-RS resources are many, for example, the CSI-RS resource is 256, and a CSI-RS resource indication (CRI) requires 8 bits. In some embodiments, the NR has now agreed to be able to feed back multiple transmit beams for ensuring the robustness of the link. At this point, multiple CRIs need to be fed back, further aggravating the feedback load. How to reduce the feedback load of CRI is therefore further considered. On the other hand, if each transmit beam feeds back a corresponding Reference Signal Receiving Power (RSRP), the feedback load is also large in the case of feedback multi-beam. In this regard, the embodiment of the present application provides a method for transmitting channel state information, including: determining a transmission mode of the transmission channel state information; and transmitting the channel state information by using the transmission mode; wherein the sending mode includes at least the following manner One: transmitting the channel state information in an absolute value, and transmitting the channel state information by using a relative value.

High-frequency communication needs to be based on beam communication. Due to the cost problem, and the high-frequency array can be made very large, the beam can be very thin, so the beam set that the terminal needs to measure will be large, and the feedback beam will be fed back every feedback. Indexing information in the set of beams measured by the terminal results in a large feedback load.

In the present application, by assigning a plurality of reference resource sets (ie, a second type of resource set) to the terminal, the terminal selects the reference resource set according to the selected candidate beam or the agreed rule, and the indication information of the selected reference resource set, and/ Or the index information of the selected candidate resource in the selected reference resource set is sent to the base station. For example, including a smaller number of resource sets is adapted to the terminal, the beams that may be selected in a period of time are all in the small set, but considering the block, rotation, and the like, when the candidate resources selected by the terminal are outside the small set. When needed, candidate resource indication information selected based on large set feedback is required. Therefore, the feedback load of the terminal is effectively reduced while adapting to the sudden change of the terminal beam.

The above method may be further extended to feedback of other channel state information. By establishing a mapping relationship table of a plurality of index values and channel state channel information, the terminal selects one of the tables according to the current channel state information, and feeds back the selected table index, and / or feedback the index information of the current channel state information in the current table. Or the base station allocates a mapping relationship table that needs to be referred to the feedback channel state information to the terminal in different time units or on different feedback resources.

On the other hand, in the present application, the change speed period of the candidate beam set is also smaller than the change period of the signal quality of the candidate beam, so the feedback period of the candidate beam set is considered to be greater than or equal to the feedback period of the RSRP of the candidate beam.

The application also needs the terminal to decide whether to feedback the relative value or the absolute value, or the base station allocates the feedback relative value or the absolute value. If the relative value is based on the absolute value of the terminal feedback, the absolute value of the terminal feedback needs to be confirmed before the relative value is fed back. Aspects may determine whether the feedback is absolute or relative based on the type of channel being fed back.

Moreover, the present application contemplates the case where the measurement set changes according to the feedback set.

This embodiment includes multiple embodiments; it is noted that the following embodiments are only used to distinguish different implementations, and do not distinguish between the advantages and disadvantages of the embodiments; in the case of no conflict, these embodiments Can be used in combination.

Embodiment 1

In this embodiment, the terminal performs the following steps:

Step 1: Determine a first type of resource set (hereinafter also referred to as a first resource set), and a plurality of second type of resource sets.

Step 2: selecting one or more first resources in the first resource set;

Step 3: Select a resource set in more than one second type resource set according to the selected first resource;

Step 4: feeding back the indication information of the selected resource set to the base station;

Step 5: The terminal sends the index information of the selected resource in the selected resource set to the base station.

In some embodiments, the following line channel measurements are taken as an example, and the terminal and the base station perform the following steps:

Step 1: The base station allocates, to the terminal, a CSI-RS resource set (ie, the first resource set) that the terminal needs to measure, for example, consists of {CSI-RS resource 0-CSI-RS resource 255}.

The base station also allocates more than one second type resource set to the terminal, for example, one of the second type resource sets (hereinafter referred to as Set21) is composed of the first resource set {CSI-RS resource 0 to CSI-RS resource 255}, and the other The second type of resource set (hereinafter referred to as Set22) is composed of {CSI-RS resource 10, CSI-RS resource 21, CSI-RS resource 30, CSI-RS resource 42}

Step 2: The terminal measures in the {CSI-RS resource 0 to CSI-RS resource 255}, and selects N resources, for example, the selected N=2 resources constitute the third resource set is {CSI-RS resource 10, CSI-RS Resource 30}.

Step 3: The terminal selects a resource set in the second type resource set Set21 and the second class resource set Set22 according to the selected third resource set {CSI-RS resource 10, CSI-RS resource 30}, for example, selecting a resource set as Set22.

The principle that the terminal selects the second resource set according to the selected third resource set is: first, selecting the third resource set whose third resource set is a subset thereof, and then selecting, in the second type resource set that meets the condition, including The collection of resources with the fewest resources. The selected resource set is thus Set22. Of course, this embodiment does not exclude other second resource selection principles.

Step 4: The terminal reports the indication information of the selected second resource set to the base station, for example, the selected second resource set is represented by 1 bit, and the correspondence between the specific value of 1 bit and the two second resource sets is the base station and The terminal agreed. For example, as shown in Table 1:

Table 1

Step 5: The terminal feeds back the index information of the resources in the third resource set in the selected second type of resource set to the base station, for example, the base station and the terminal agree on the correspondence between the index value and the resource in Set22, as shown in Table 2. Show:

The number of bits required for an index value is determined according to the number of resources included in the selected second type of resource set.

Table 2

Then, the terminal feeds back the index information {00, 10} according to the selected third resource set {CSI-RS resource 10, CSI-RS resource 30}.

The base station can determine the index information that is fed back after the terminal according to the second resource set selected by the terminal, and needs to select the indication information of the second resource set and the index information of the selected resource in the selected second resource set. Divided into two separate pieces of information. Two independent information blocks are independently coded, and the base station can understand the specific meaning of the second information block by decoding the first information block, as shown in Table 3:

table 3

In some embodiments, such as the above embodiment, the terminal feeds back information as shown in Table 4 to the base station:

Table 4

The base station obtains according to the first information block and looks up the table 1. The terminal selects Set22, and according to the second information block and looks up the table 2, the terminal selects {CSI-RS resource 10, CSI-RS resource 30}.

In the above embodiment, if the third resource set selected by the terminal is {CSI-RS resource 10, CSI-RS resource 31} in step 2, in step 3, the second type of resource set selected by the terminal is Set21 because At this point the third set of resources is not a subset of Set22. Moreover, the terminal and the base station agree that the comparison relationship between the index information and the resource in Set21 is as shown in Table 5.

table 5

Therefore, the terminal feeds back information shown in Table 6 to the base station.

Table 6

In the above embodiment, one resource is one CSI-RS resource, and one CSI-RS resource includes one or more CSI-RS ports. Of course, in the implementation, the one resource may also be at least one of the following resources: Signal port, reference signal resource, reference signal resource set, reference signal resource setting, such as a resource being a CSI-RS port, and/or being a CSI-RS resource, and/or being a CSI-RS resource set, and / Or a CSI-RS resource setting, of course, a resource may also be an SS block (synchronization signal block), or a demodulation reference signal port, or a demodulation reference signal port group.

Embodiment 2

In this embodiment, the terminal and the base station perform step 1 to step 5 of the process shown in Embodiment 1, except that in step 1 of Embodiment 1, Set 21 is the same resource set as the measurement set by the terminal, that is, the first resource set. In this embodiment, Set21 is different from the first resource set, for example, Set21 is {CSI-RS resource 10, CSI-RS resource 11, CSI-RS resource 9, CSI-RS resource 14, CSI-RS resource 21, CSI-RS Resource 22, CSI-RS resource 20, CSI-RS resource 25, CSI-RS resource 30, CSI-RS resource 31, CSI-RS resource 29, CSI-RS resource 34, CSI-RS resource 42, CSI-RS resource 41 , CSI-RS resource 43, CSI-RS resource 38}, if the third resource selected by the terminal in step 2 above is {CSI-RS resource 10, CSI-RS resource 30}, the terminal feeds back to the base station as shown in Table 4. Information. If the third resource selected by the terminal in step 2 is: {CSI-RS resource 10, CSI-RS resource 31}, the terminal feeds back information shown in Table 7 to the base station, where the base station and the terminal agree on the index value in Set21. The resources in 0000 to 1111 and Set21 correspond one by one in order. Or the index values 0000 to 1111 in Set21 and the absolute values in the resources in the resources in Set21 are in one-to-one correspondence. In summary, the base station and the terminal agree on the correspondence between the index value and the specific resource.

Table 7

The base station receives the first information block in Table 7, and knows that the terminal selects Set21, and obtains the resource selected by the terminal by the correspondence between the index value and the resource agreed upon by the terminal.

In some embodiments, since the measurement set of the terminal, that is, the first resource set, does not belong to Set21 and does not belong to Set22, when the terminal measurement finds that the new candidate beam does not belong to the union of Set21 and Set22, this information needs to be fed back to the base station. So that the base station reassigns Set21 and Set22. In some embodiments, three second set of resource sets, namely the first resource set (Set20) and Set21, Set22, may be included at this time.

Embodiment 3

In this embodiment, the terminal and the base station perform step 1 to step 5 of the process shown in Embodiment 1, except that in step 1 of Embodiment 1, the base station allocates two second type resource sets to the terminal. In this embodiment, the base station allocates only one second type of resource set to the terminal, for example, Set22, and the terminal obtains Set21 according to the rules agreed by Set22 and the base station.

For example, the terminal and the base station agree that Set22 is a subset of Set21, and each CSI-RS resource j in Set22 obtains the resource CSI-RS resource k in Set21, where k satisfies one of the following conditions:

Condition 1: abs(k-j)=1 and floor(k/V)=floor(j/V).

Condition 2: abs(k-j)=V

Condition 3: mod(k, V) = mod(j, V), and abs(floor(k/V)-floor(j/V))=M.

Condition 4: k = j;

For example, Set22 is {CSI-RS resource 10, CSI-RS resource 21, CSI-RS resource 30, CSI-RS resource 42}, and according to the above rules, it is assumed that V=4. M=8. Get Set21 as: {CSI-RS resource 10, CSI-RS resource 11, CSI-RS resource 9, CSI-RS resource 14, CSI-RS resource 6, CSI-RS resource 21, CSI-RS resource 22, CSI-RS Resource 20, CSI-RS resource 25, CSI-RS resource 17, CSI-RS resource 30, CSI-RS resource 31, CSI-RS resource 29, CSI-RS resource 34, CSI-RS resource 26, CSI-RS resource 42 CSI-RS resource 41, CSI-RS resource 43, CSI-RS resource 38, CSI-RS resource 46}. The above V, M may be an agreed value, or the base station notifies the terminal.

Of course, in this embodiment, the rule that the second type resource collection, such as Set 22, obtains another resource second type resource set is only an example, and does not exclude other instances in which another resource set is obtained from one second type resource set.

Embodiment 4

In this embodiment, the terminal and the base station perform step 1 to step 5 of the process shown in Embodiment 1, except that in the first embodiment, the second type of resource set is allocated by the base station, and in the first step of the present example, Set21 It is a resource set that the terminal performs measurement, such as a first resource set, and Set 22 is determined according to a third resource set fed back by the terminal. For example, in the last feedback time of the terminal before the current feedback, the third resource set selected by the terminal is {CSI-RS resource 9, CSI-RS resource 28}, and the selected third resource set is sent to the base station. In this feedback, the terminal determines Set 22 based on the third set of resources that was last fed back. It is determined that Set22 is {CSI-RS resource 9, CSI-RS resource 28} in this feedback.

Or the terminal and the base station agree to determine the rule of the current set of Set 22 from the last fed back third resource set, and the terminal obtains the Set22 according to the rule and the third resource set that was last fed back, such as the third resource set that was last fed back. One of the CSI-RS resources j, the set C22 includes the CSI-RS resource k, wherein one of the following conditions is met between k and j:

Condition 1: abs(k-j)=1 and floor(k/V)=floor(j/V).

Condition 2: abs(k-j)=V

Condition 3: mod(k, V) = mod(j, V), and abs(floor(k/V)-floor(j/V))=M.

Condition 4: k = j;

For example, suppose V=4 and M=8, so that Set22 is obtained as {CSI-RS resource 9, CSI-RS resource 10, CSI-RS resource 8, CSI-RS resource 13, CSI-RS resource 5, CSI-RS resource 28 CSI-RS resource 29, CSI-RS resource 27, CSI-RS resource 32, CSI-RS resource 24}.

The above conditions are determined for the following reasons, such as in high frequency communication, different transmission beams are represented by different CSI-RS resources. After the terminal feeds back the third resource set, the optimal beam set of the terminal should be in the beam variation around the beam corresponding to the fed back third resource set. As shown in Figure 1, the resource numbers of the CSI-RS are numbered according to the first vertical beam and then the horizontal beam. There are 4 vertical beams, and the horizontal beam has feedback from the terminal {CSI-RS resource 9, CSI-RS resource 28} The base station and the terminal agree that in the next period of time, Set22 is {CSI-RS resource 9, CSI-RS resource 10, CSI-RS resource 8, CSI-RS resource 13, CSI-RS resource 5, CSI-RS resource 28, CSI-RS resource 29, CSI-RS resource 27, CSI-RS resource 32, CSI-RS resource 24}, if an emergency (such as block, rotation), the preferred beam of the terminal should be in Set22, so that the terminal can Set 22 is selected and the index information of the preferred beam (different beams are represented by different CSI-RS resources) in Set 22 is fed back. Therefore, while reducing the feedback load, the beam variation of the terminal can be guaranteed for a period of time.

Of course, this embodiment does not exclude that the Set22 is determined according to the third candidate resource set fed back by the terminal, and the Set21 is obtained according to the Set22 and the rules agreed by the terminal and the base station. Or Set21 is the difference between the first resource set and Set22.

In the determining method of the third candidate resource set that is forwarded by the terminal, an implementation manner is a third resource set that the terminal recently feeds back to the same report setting, and the terminal determines the set 22 according to the recently fed back third resource set, such as As shown in FIG. 2, the terminal determines Set 22 based on the third resource set that was recently fed back on the PUCCH. The third resource set is composed of a first resource selected by the terminal in the first type of resource set.

In the method for determining the third candidate resource set that is fed back by the terminal, in another implementation manner, in order to prevent the information base station that is not fed back by the terminal from being received, the base station side and the terminal side need to understand the inconsistency of the subsequent feedback. The agreement Set22 is determined according to the third resource set that satisfies the contract condition in the third resource set information that is fed back by the terminal. In some embodiments, for example, the third resource that is used for determining the terminal of the Set22 corresponding to the current feedback meets the following conditions. At least one:

Condition 1: The feedback is fed back on the PUSCH. Preferably, the base station has ACK/NACK response information for the third resource indication information sent by the terminal on the PUSCH. As shown in FIG. 2, the terminal selects the PUSCH feedback on the slotk1. For the three resource set information, the terminal determines the Set 22 (ie, one of the second type resource sets) according to the selected third resource set information of the PUSCH feedback on the slotk2 to the slotk4.

Condition 2: The feedback information is fed back in the agreed time unit. As shown in FIG. 3, the terminal selects the third resource set information selected by the PUCCH on the slotk1, and the terminal is based on the PUCCH feedback on the slotk1 in slotk2 to slotk4. The selected third resource set information determines Set 22 (ie, one of the second type of resource sets). The third resource set information selected by the terminal through the PUCCH feedback on the slotk5, and the terminal determines the Set22 (ie, one of the second type of resource sets) according to the selected third resource set information of the PUCCH feedback on the slotk5 on the slotk6 to the slotk8, for example, As shown in FIG. 4, or in slotk6 to slotk8, the third resource set selected according to the PUCCH feedback on slotk1 and the selected third resource set of PUCCH feedback on slotk5 are used to determine the resource set information of Set22. Preferably, the PUCCH format of the third resource set selected by the terminal feedback and the slotk6 to slotk8 are selected by the terminal on the slotk1, and the feedback PUCCH format is different on the slotk2 to slotk4. For example, in slotk1, the channel coding redundancy of PUCCH on slotk5 is larger than that of slotC6 to slotk8, and the channel redundancy of PUCCH fed back on slotk2 to slotk4 is large. Or slotk1, the PUCCH format on slotk5 and slotk6 to slotk8, and the format of PUCCH on slotk2 to slotk4 are different.

Condition 3: The feedback information is fed back in an agreed feedback format.

Condition 4: the agreed second type of resource set (such as Set21) selected in the feedback information, that is, the index information is an index in a second type of resource set allocated by the base station, instead of the index information being based on The index information in Set22 obtained from the resource set fed back by the terminal. Therefore, the third resource set fed back in the feedback information can be used as the Set 22 in the feedback information after the terminal.

In the determining method of the third candidate resource set that is forwarded by the terminal, the third embodiment is a plurality of third resource sets that the terminal feeds back according to the terminal that meets the agreed condition in a predetermined time window before the current feedback. The Set 22 is determined. As shown in FIG. 5, when the current feedback of the terminal is feedback on slotk8, the terminal obtains an agreed time window with slotk8 as the end position, and the terminal feedbacks the same report setting multiple times in the agreed time window, for example. In slotk1~slotk7, feedback is satisfied. Only the feedback in slotk1, slotk3, and slotk6 satisfies the agreed condition. The terminal obtains the Set22 set information of the feedback reference on slotk8 according to the third resource set information fed back in slotk1, slotk3, and slotk6. The feedback of the terminal that meets the agreed condition in an agreed time window may be one or more of the conditions 1 to 4, and the present embodiment does not exclude other agreed conditions. In some embodiments, for example, on the slotk1, the terminal feeds back the third resource set to the base station as {CSI-RS resource 0, CSI-RS resource 10}, and the terminal on the slotk3 feeds back the third resource set to the base station as {CSI-RS resource 0, CSI. -RS resource 11}, on the slotk6, the terminal feeds back to the base station that the third resource set is {CSI-RS resource 1, CSI-RS resource 12}, and the terminal according to the union of the third resource set fed back on the three time slots { CSI-RS resource 1, CSI-RS resource 12, CSI-RS resource 0, CSI-RS resource 10, CSI-RS resource 11}, according to {CSI-RS resource 1, CSI-RS resource 12, CSI-RS resource 0 CSI-RS resource 10, CSI-RS resource 11} obtains Set22 on slotk8, for example, Set22 is {CSI-RS resource 1, CSI-RS resource 12, CSI-RS resource 0, CSI-RS resource 10, CSI-RS Resources 11}.

Embodiment 5

In this embodiment, the terminal and the base station perform step 1 to step 5 of the process shown in Embodiment 1, except that the second type of resource set in the first step is less than two, and may be two or more, for example, four. One. Therefore, in step 3, the terminal selects a resource set in the four second-class resource sets, and in step 4, the indication information of the selected second-type resource set is reported to the terminal, and in step 5, the selected resource is selected according to the selected one. The index information in the second type of resource set is reported to the base station.

Embodiment 6

In this embodiment, the terminal and the base station perform the first to fifth steps of the process as shown in the first embodiment. The difference is that in the third step, the first embodiment selects the second resource set according to the third resource set selected by the terminal. In this embodiment, the terminal selects a second resource set for each selected first resource, such as a second type resource set (hereinafter referred to as Set21) {CSI-RS resource 0 to CSI-RS resource 255}, and another A second type of resource set (hereinafter referred to as Set22) is composed of {CSI-RS resource 10, CSI-RS resource 21, CSI-RS resource 30, CSI-RS resource 42}, and the resource selected by the terminal in step 2 is {CSI -RS resource 10, CSI-RS resource 19, CSI-RS resource 30, CSI-RS resource 28}. Hereinafter, a set of resources selected by the terminal in the first type of resource set is referred to as a third resource set.

In step 3, the second resource set is selected for each resource in the third resource set, and the selected second resource indication information is reported in step 4, and each selected resource is reported in the step 5 Index information in the second type of resource collection.

Specifically, for example, the base station and the terminal agree that the correspondence between the index value and the resources in Set 22 is as shown in Table 2. The terminal selects a second resource set for each resource in the third resource set in step three, select Set22 for CSI-RS resource 10 in some embodiments, Set21 for CSI-RS resource 19, and CSI-RS resource 30 for CSI-RS resource 30 Select Set 22, select Set 21 for CSI-RS resource 28, refer to Table 1, and the terminal feeds back the information shown in Table 8 to the base station.

Table 8

In Table 8, the first information block and the second information block are independently coded, and the index information of each preferred beam in the second information block is aggregated into a second information block, and each information block is independently decodable by the base station. The present embodiment also does not exclude that the information of each preferred beam is independently coded, that is, two information blocks are formed for each preferred beam, for example, two information blocks as shown in Table 9 are formed for the first candidate beam in Table 8, for In the second candidate beam in Table 8, the terminal feeds back the information shown in Table 10 to the base station.

Table 9

Table 10

Or the first information block is indication information of a second resource set of each candidate beam selection, the second information block is index information of one of the selected second type resource sets of the candidate resource, and the third information block is another candidate resource selection. The index information of a second type of resource collection is shown in Table 11:

Table 11

The second information block, or one of the third information blocks, may not exist.

In the above embodiment, Set 21 is a set of measurement reference resources allocated by the base station to the terminal, that is, a first resource set, and Set 22 is a resource set allocated by the base station to the terminal. In some embodiments, the base station allocates the terminal to the terminal for the feedback overhead of the throttle terminal. The first type of resource set and Set22, the terminal and the base station agree that Set21 is the difference between the first type of resource set and Set22. That is, the intersection of Set21 and Set22 is empty at this time, or the union of Set21 and Set22 is the first resource set. In this way, the number of bits occupied by the index information of the selected resource in the Set 21 after the terminal selects Set 21 can be further saved.

Embodiment 7

In this embodiment, the terminal and the base station perform steps 1 to 5 in any of the embodiments 1 to 6, and further include the following feature, wherein a second type of resource set is a base station allocation terminal as a data channel or a control channel. A set of candidate resources indicated by the beam.

In some embodiments, for example, the base station allocates a candidate resource set of its data channel and/or control channel (hereinafter referred to as a fourth type resource set) to the terminal through high layer signaling to be {CSI-RS resource 0, CSI-RS resource 10 The CSI-RS resource 18, the CSI-RS resource 20}, in the DCI, indicates that the demodulation reference signal of the data channel and one of the resources of the fourth type of resource have a QCL (quasico-location) quasi-co-location relationship. Or the base station sends the fourth type of resource set information through RRC signaling, and notifies the control channel demodulation reference signal and one of the fourth type of resource set to have a QCL relationship in the MAC-CE and/or DCI signaling.

Thus, the terminal determines that Set 22 is the fourth type of resource set described above.

In some embodiments, when the base station allocates more than one fourth type resource set to the terminal, the terminal determines that Set 22 is one of the fourth type resource sets, or the terminal determines that Set 22 is the multiple fourth type resource set. Union.

Embodiment 8

In this embodiment, the terminal and the base station perform step 1 to step 5 in the first embodiment, and further include: the resource element included in the set 22 and the resource element included in the third resource set selected by the terminal are in one-to-one correspondence, and the terminal selects Set22. After that, only the base station is fed back that it selects Set22 in Set21 and Set22, and does not report the index information of the first resource selected by the terminal in the first type of resource set in Set22, because the base station side also knows Set22.

In some embodiments, for example, Set21 is composed of {CSI-RS resource 0 to CSI-RS resource 255}, and Set22 is composed of {CSI-RS resource 1, CSI-RS resource 11, CSI-RS resource 13, CSI-RS resource 26 }, the terminal selects 4 CSI-RS resources in the first type of resource set each time (hereinafter, the resource set composed of the selected resources is referred to as a third resource set), wherein the i-th item and the Set22 in the third resource set are The i-th item, i=1, 2, 3, 4, has a one-to-one correspondence, that is, for example, the first item in the third resource set corresponds to the first item in Set22 (ie, corresponding to CSI-RS resource 1) And determining, by the terminal, the third resource set selected in the first resource set is {CSI-RS resource 1, CSI-RS resource 11, CSI-RS resource 13, CSI-RS resource 26}, according to the selected third resource set It is the same as Set22. The terminal selects Set22 in Set21 and Set22, and feeds back the first information block as shown in Table 12 to the base station, indicating that it selects Set22 in Set21 and Set22, and the selected third resource set is Set22. The terminal no longer feeds back to the base station the index information of the selected resource in Set 22. The correspondence between Set21 and Set22 and the indication information is shown in Table 1.

Table 12

The third resource set selected by the terminal in the first resource set is: {CSI-RS resource 1, CSI-RS resource 11, CSI-RS resource 13, CSI-RS resource 27}, and the third resource set is not Set22. The subset forwards the information shown in Table 13 to the base station, that is, feeds back the second type of resource selection information and the index information of the selected first resource in the selected second type of resource set.

Table 13

Or the terminal selects a second resource set for each of the selected fourth resource sets. As Set21 and Set22 are still as described above, when the third resource set selected by the terminal in the first resource set is {CSI-RS resource 1, CSI-RS resource 11, CSI-RS resource 13, CSI-RS resource 26}, The terminal feeds back the information shown in Table 14. That is, Set22 is selected for each resource in the third resource set, and only the selection information of the selected second resource set (ie, the indication information of the second resource set) is fed back, and the resources in the third resource set are not required to be fed back. Index information in the second type of resource collection.

Table 14

The third resource set selected by the terminal in the first resource set is: {CSI-RS resource 1, CSI-RS resource 11, CSI-RS resource 13, CSI-RS resource 27}, for each of the third resource set The resource selects the second resource set, and only when the selected second type resource set is Set21, the index information of the selected resource in Set21 is fed back, that is, the terminal feeds back the information shown in Table 15 to the base station.

Table 15

Embodiment 9

In this embodiment, the terminal and the base station perform step 1 to step 5 in Embodiment 1, and in some embodiments, further include selecting the second resource set according to the agreed rule. There is a correspondence between the set of sending resources and the set of resources of the second type that can be selected, wherein the sending resources may also be referred to as feedback resources.

For example, on the agreed time unit, or the agreed feedback resource, the agreement selects Set21, and the terminal selects the second resource set in Set21 and Set22 according to the selected third resource set on other time units or other feedback resources. As shown in FIG. 6, the terminal needs to feed back selected beam information on slotk1 to slotk6, that is, CSI-RS resource information selected in the first type of resource set. The base station and the terminal agree that the CRI fed back by the terminal on slotk1 and slotk4 is the index information in Set21. On the slotk2, slotk3, slotk5, slotk6, the terminal first selects in Set21 and Set22, based on the selected second type resource (ie, Set21 or Set22) feeds back the index information of the selected CSI-RS resources in the selected Set21 and Set22. In the above manner, a compromise between feedback overhead and error propagation is obtained. For example, Set22 is determined according to the information fed back by the terminal. At this time, the slot feedback on the slotk1, slotk4 is the absolute index of the selected resource in Set21, thereby being effective. Prevents the linkage effect of subsequent feedback when an error occurs in the previous feedback. Otherwise, if slotk1, slotk4 can also be selected in Set21 and Set22, and Set22 is determined according to the previous feedback, due to the error of the previous feedback information, the feedback information on slotk1, slotk4 is wrong, and the feedback information on slotk1 is As slot2 of slotk2, slot3, which causes errors in the feedback information on slotk2 and slotk3. Similarly, the feedback error on slotk4 will also lead to a joint error in the information sent by slotk5 and slotk6. As a result, large batch errors in terminal feedback occur. In Fig. 6, slotk1 to slotk6 may be continuous resources or non-contiguous resources.

Or as shown in FIG. 7, the CRI that is agreed by the terminal feedback on {slotk1, slotk4} is the index information of the selected resource in Set21, and the CRI fed back in {slotk2, slotk3, slotk5, slotk6} is the selected resource in Set22. Index information in . In some embodiments, the Set 22 on the {slotk2, slotk3} is determined according to the resource fed back by the terminal on the Slotk1, and the terminal obtains the Set22 according to the rule and the third resource set that was last fed back, for example, the third resource fed back by the terminal on slotk1. One CSI-RS resource j in the set, the SetC includes the CSI-RS resource k, wherein one of the following conditions is met between k and j:

Condition 1: abs(k-j)=1 and floor(k/V)=floor(j/V).

Condition 2: abs(k-j)=V

Condition 3: mod(k, V) = mod(j, V), and abs(floor(k/V)-floor(j/V))=M.

Condition 4: k = j;

For example, suppose V=4, M=8, and the third resource set fed back on slotk1 is {CSI-RS resource 9, CSI-RS resource 28}, so that Set22 on {slotk2, slotk3} is {CSI-RS resource 9 CSI-RS resource 10, CSI-RS resource 8, CSI-RS resource 13, CSI-RS resource 5, CSI-RS resource 28, CSI-RS resource 29, CSI-RS resource 27, CSI-RS resource 32, CSI -RS resource 24}. This is due to the fact that the beam of the terminal should change between nearby beams over a period of time. In some embodiments, due to slotk2, the base station and the terminal agreement on slotk3 are the feedback information of the selected resource (the selected resource is the resource selected by the terminal in the first type of resource set) in Set22, and may be agreed at this time. The measurement set of the terminal, that is, the first type of resource set is changed from Set21 to Set22 on slotk2 and slotk3. That is, the measurement resource set of the terminal on {slotk2, slotk3} is obtained according to the resource fed back by the terminal on slotk1, and the resource set fed back by the terminal on slotk1 is {CSI-RS resource 9, CSI-RS resource 28}, thereby obtaining Set22 as { CSI-RS resource 9, CSI-RS resource 10, CSI-RS resource 8, CSI-RS resource 13, CSI-RS, the terminal obtains {slotk2, slotk3} according to the rules agreed with the base station or from slotk1 to slotk4, The measurement set is changed from Set21 {CSI-RS resource 0 to CSI-RS resource 255} to {CSI-RS resource 9, CSI-RS resource 10, CSI-RS resource 8, CSI-RS resource 13, CSI-RS resource 5, CSI-RS resource 28, CSI-RS resource 29, CSI-RS resource 27, CSI-RS resource 32, CSI-RS resource 24} resource set.

In summary, different time unit sets, or different feedback resource sets, corresponding sets of second type resource sets available for selection by the terminal are different, such as in FIG. 6, in the first time unit set {slotk1, slotk4 } The set of the second type of resource set available for terminal selection is {Set21}, and the set of the second type of resource set available for terminal selection on the second time unit set {slotk2, slotk3, slotk5, slotk6} is {Set21 , Set22}. Or, in FIG. 7, the set of the second type of resource set available for the terminal on the first time unit set {slotk1, slotk4} is {Set21}, and on the second time unit set {slotk2, slotk3, slotk5, slotk6} The set of the second type of resource set available for the terminal to select is {Set22}. When there is only one set of the second type of resources available for selection on the feedback resource, only the index information of the selected resource in the agreed second type of resource set is fed back, and the indication information for the second type of resource set is not fed back.

In this embodiment, different sets of time domain resources are different, and the second type of resource sets that are selectable are different, and the embodiment does not exclude that the second type of resource sets that can be selected are selected on different sets of sending resources. Differently, the sending resource includes at least one of the following resources: a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource. In this embodiment, different sets of transmission resources correspond to different sets of available second type resources. In some embodiments, one set of transmission resources may correspond to only one set of second types of resources, and at this time, the second set of resources is selected. The process can also be referred to as the process of determining the second set of resources.

Embodiment 10

In this embodiment, the terminal selects a plurality of resources in the first resource set, and divides the plurality of resources into a plurality of groups, wherein the resources of one group constitute a second type of resource set, and when the indication information of the resources of other groups is reported, Selecting a second type of resource set among the plurality of second type resource groups, reporting the selected second resource set indication information, and/or index information of the resources in the group in the selected second type of resource set.

In some embodiments, the terminal in the first type of resource set {CSI-RS resource 0 - CSI-RS resource 255}, each CSI-RS resource performs receive beam training, and the selected selection according to the receive beam/receiver antenna The beams are divided into two groups, as shown in Table 16.

Table 16

When the terminal feeds the base station back to the resource indication information included in the group, the group 1 indexes according to the first type of resource set (that is, only one second type resource set for group 1 and the second type resource set is the first type resource set). Information feedback, and then feedback each resource in group 2 in Set21 {such as the first type of resource set} and Set22 (composed of the resources included in group 1, namely {CSI-RS resource 0, CSI-RS resource 9, Selection information in CSI-RS resource 28, CSI-RS resource 32}) (0 means select Set21, 1 means select Set22), and/or index information of resources in the second group in the selected second type of resource set (wherein the contract information is gradually increased according to the order of the resources in the group 1). That is, the information shown in Table 17 is fed back.

Table 17

In the above solution, the first information and the second information may be combined with channel coding, and the {first information, the second information} and the third information are preferably independently coded, that is, {first information, second information} has a corresponding CRC1, the third information has its corresponding CRC2, the base station first decodes {first information, second information}, because its corresponding CRC1 can verify whether {first information, second information} is correctly transmitted, according to decoding The {first information, the second information} obtains the meaning of the information content representation in the third information, and may also obtain the transmission mode of the third information according to the {first information, the second information}, such as selected in the second information. The second type of resource set includes different numbers of elements, which may result in different numbers of bits for transmitting the third information. When the number of bits exceeds a predetermined threshold, the first transmission mode is adopted, otherwise the second transmission mode is adopted.

In the above embodiment, the different transmission modes are distinguished by at least one of the following: channel coding mode of information (for example, Turbo code, linear block code, LDPC coding, etc.); channel coding rate; channel coding and chiseling mode; channel Coding chisel mode interleaving mode, uplink control channel format (similar to PUCCH format 1/1a/1b/2a/2b/3 in LTE), etc.; repeated transmission factor (repetitive transmission factor can be time domain repeated transmission times, frequency The number of repeated transmissions in the domain, the same information may be sent on multiple resources repeatedly transmitted, or may be through time domain spreading, frequency domain spreading, or different channel coding redundancy versions of the same information; channel resources (including time domain resources, frequency domain resources, code domain resources, at least one of airspace resources); transmission methods (such as transmission diversity, closed loop transmission, open loop transmission, etc.).

Embodiment 11

In the above embodiment, the terminal first selects the second resource set in the plurality of second type resource sets, reports the indication information of the selected second resource set, and/or selects the resource in the selected second type resource set. Index information in .

In the present embodiment, the multiplexing manner between the indication information and the index information is specifically described. In the first type of multiplexing, the indication information and the index information are independently coded, each corresponding to a respective CRC block, for example, the indication information corresponds to CRC1, the index information corresponds to CRC2, and the base station decodes the indication information by using CRC1. The second resource set information selected by the terminal is obtained, and the specific meaning of the index information is obtained according to the second resource set selected by the terminal. And/or the base station obtains a transmission mode of the index information according to the indication information. And/or the base station obtains, according to the indication information, whether the terminal sends the index information.

In some embodiments, the independently encoded selection information and the index information may be frequency-division multiplexed or time-division multiplexed. When frequency division multiplexing, the base station obtains the frequency domain resource occupied by the index information according to the selection information. The base station obtains the time domain resource occupied by the index information according to the selection information, and may also obtain the time-frequency resource occupied by the index information according to the selection information.

The different transmission modes are distinguished by at least one of the following information: channel coding mode of the index information (for example, Turbo code, linear block code, LDPC coding, etc.); channel coding rate; channel coding and chiseling mode; format of the uplink control channel (similar to PUCCH format 1/1a/1b/2a/2b/3 in LTE), etc.; repeated transmission factor (repetitive transmission factor can be repeated transmission times in the time domain, repeated transmission times in the frequency domain, repeated transmission of multiple resources) It may be the same information transmission method, or may be a time domain spread spectrum, a frequency domain spread spectrum method, or a different channel coding redundancy version that transmits the same information); channel resources (including time domain resources, frequency domain resources, Code domain resources, at least one of airspace resources; transmission methods (such as transmission diversity, closed-loop transmission, open-loop transmission, etc.).

For example, if the selected second resource set is different, the number of bits occupied by the index information is different, and the channel coding manner of the index information may be different (for example, when the time domain resource allocated to the terminal for transmitting the index information is fixed, the bit occupied according to the index information) If the number is different, different coding modes are used, and/or the channel coding rate may be different (for example, when the time domain resource for transmitting the index information to the terminal is fixed, the index information occupies different numbers of bits, and the channel coding rate is different) . Or the format of the uplink control channel is different. For example, when the number of bits is relatively small, frequency domain spread spectrum and time domain spread spectrum are used. When the number of bits is relatively large, only time domain spread spectrum is used, or the time frequency domain is not spread. The repeat transmission factor can also be different. The selected second resource set is different, and the number of bits of the index information is different. In this case, the channel resources for sending the index information may also be different. Or the transmission method can be different.

In some embodiments, when the resource element included in the Set22 and the resource element included in the third resource set selected by the terminal are in one-to-one correspondence, the terminal does not feed back the index information of the selected first resource in the Set22 after selecting the Set22. Or, at this time, the terminal is allocated two transmission resources as shown in FIG. 8. When Set22 is selected, the indication information of Set22 is sent on the transmission resource 1, for example, the bit "1" information is transmitted, and the index information is not sent on the transmission resource 2. When Set21 is selected, the index information is transmitted on the transmission resource 2, and the indication information is not transmitted on the transmission resource 1. The base station detects that the terminal selects Set22 by detecting the bit information 1 on the transmission resource 1, and detects that the terminal selects Set22 on the transmission resource 2, and knows that the terminal selects Set21, and The index information is index information of the selected resource in Set21. That is, there is a one-to-one correspondence between the selection of the resources 1 to 2 and the set 22 of the terminal, and the selection of Se21, and only one of the index information and the indication information is transmitted.

The sending resource includes at least one of the following resources: a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource.

In the second type of multiplexing, the indication information and the index information are in one coding block, that is, a CRC is shared. At this time, the base station obtains the second resource indication information selected by the terminal by using the length of the blind detection information block. For example, when Set21 is selected, the total number of bits of the indication information and the index information is X. When Set22 is selected, the total number of bits of the indication information and the index information is Y, and the base station blindly checks in X and Y to obtain the second selected by the terminal. In some embodiments, only the index information is sent at this time, and the base station blindly detects the second resource set information selected by the terminal.

Embodiment 12

In the above-mentioned first to eleventh embodiments, the resource is a measurement reference signal resource or a synchronization signal resource. In this embodiment, the resource may be one of the following resources: a channel quality resource, a precoding matrix resource, RI resources, CQI resources, etc.

For example, the terminal selects a mapping relationship among the multiple mapping relationships, and feeds back the selected mapping relationship indication information, and/or index information, where the mapping relationship is a mapping relationship between the index information and the resources.

Table 18-1: Mapping Relationship 1

Index value	Precoding matrix resource
0	Precoding matrix 0
1	Precoding matrix 1
---	---
15	Precoding matrix 15

Table 18-2: Mapping Relationship 2

Index value	Precoding matrix resource
0	Precoding matrix 15
1	Precoding matrix 16
2	Precoding matrix 23
3	Precoding matrix 4

In some embodiments, for example, the resource is a precoding matrix resource, and there are two mapping relationship tables of Table 18-1 and Table 18-2, and the terminal first selects the two mapping relationships, and the feedback mapping relationship selection indication information is And/or feedback index information of the selected precoding matrix in the mapping table. The precoding matrix 0 to the precoding matrix 15 in the mapping relationship 1 constitute a second type resource set, and the precoding matrix 15, the precoding matrix 16, the precoding matrix 23, and the precoding matrix 4 in the mapping relationship 2 } constitutes another second type of resource collection.

Similarly, as shown in Table 19-1 and Table 19-2, the resource may also be a channel quality resource, such as a signal receiving power RSRP resource.

Table 19-1: Mapping relationship 1

Index value	RSRP resources
0	RSRP0
1	RSRP1
---	---
15	RSRP15

Table 19-2: Mapping 2

Index value	RSRP resources
0	RSRP 15
1	RSRP 16
2	RSRP 23
3	RSRP 4

Embodiment 13 In this embodiment, the terminal determines a transmission mode, and uses the determined transmission mode to transmit channel state information, where the transmission mode includes at least one of the following: an absolute value transmission method, and a relative value transmission mode.

Determining, according to at least one of the following information, whether the currently transmitted channel state information is dependent on the same type of channel state information previously transmitted; one of the same type of channel state information indicates the number of bits occupied by the information; and the channel state information indicating value And a mapping relationship between the channel state values; whether the indication information of the current channel state information depends on the reference channel state information; whether the receiving end has the capability of acquiring complete channel state information according to the currently transmitted channel state information; and transmitting multiple resources The relative value of the channel state information is also the absolute value of the channel state information for transmitting the plurality of resources; whether the plurality of the same type of channel state information transmitted are independent of each other.

In some embodiments, for example, the currently transmitted channel state information depends on the previously transmitted same type of channel state information as a relative value transmission mode, and the currently transmitted channel state information does not depend on the previously transmitted same type of channel state information as an absolute value. The mode is an absolute value transmission mode; wherein the channel state information type includes at least one of the following types: channel quality information (including RSRP, RSRQ, CQI, etc.), and the precoding matrix indicates PMI information, RI information. Particularly similar to i1 in LTE, the i2 precoding indication information belongs to different types of channel state information. That is, i1 is the index of the long-term precoding matrix, and i2 is the index of the short-term precoding matrix. At this time, they belong to different channel state information types; one of the same type of channel state information indicates the number of bits occupied by the information, and the absolute value is transmitted. The number of bits is greater than the number of bits of the relative value transmission mode; the mapping relationship between the channel state information indication value and the channel state value, the absolute value transmission mode corresponds to the first mapping relationship, and the relative value transmission mode corresponds to the second mapping relationship; the current channel state information The indication information depends on the reference channel state information as a relative value transmission mode, and the indication information of the current channel state information does not depend on the reference channel state information as a relative value transmission mode; the receiving end can acquire the complete channel state according to the currently transmitted channel state information. The information is an absolute value transmission mode, and the receiving end needs to obtain the complete channel state information as an absolute value transmission mode according to the currently transmitted channel state information and the reference channel state information; and the relative value of the channel state information for transmitting multiple resources is a relative value transmission mode. , sending multiple resources The absolute value of the channel state information is the absolute value transmission mode. For example, the terminal can select multiple beams (such as CRI (CSI-RS resource indication) in the NR, and feed back RSRP/RSRQ of multiple beams. One way is that the terminal only feedbacks. For the relative RSRP of the multiple beams, the base station only needs to know the relative value of the signal quality of the multiple beams, and does not need to know the absolute value of each beam. Another transmission mode is that the terminal needs to feed back the channel quality of the multiple beams. Absolute value, the absolute value feedback mode is to feedback the absolute value of one beam (or the absolute value of all beam sharing), and use this absolute value as a reference to obtain the relative value of the signal quality of each transmitting beam, and multiple relative The value is fed back to the base station. Another way to absolute value is to directly feed back the absolute value of the channel quality of each of the multiple beams.); the same type of channel state information sent is independent of each other. The plurality of channel state information transmitted in the same type is interdependent and is a relative value transmission mode. The terminal may request whether to send in absolute value or in relative value, and the base station may also send according to whether the terminal allocation is in absolute value transmission mode or relative value transmission mode. Absolute value The absolute value of multiple resource shares and the relative value of multiple resources are also the absolute value transmission method.

In some embodiments, there is an association between the transmission mode and the channel resource. For example, when the absolute value transmission mode can only be sent on the first channel type, the relative value may be sent on the first channel type, or may be in the second. Sent on the channel type. The first channel type may be an uplink data channel, and the second channel type is an uplink control channel. Or the first channel type is an uplink control channel type (such as format 2/2a in LTE, or a periodic uplink control channel), and the second channel type is another uplink control channel type (such as similar to LTE). Format 3, or the dynamically triggered uplink control channel).

In some embodiments, there is an association between the mode of transmission and the mode of transmission.

In some embodiments, when the terminal sends the channel state information in an absolute value transmission manner, the base station sends the terminal confirmation information to the terminal whether the channel state information is successfully received, and the terminal successfully obtains the channel state information in the absolute value transmission mode. The terminal transmits the channel state information by using a relative value transmission manner in a predetermined time window, and when the terminal obtains the channel state information that the terminal does not successfully receive the terminal transmission by the absolute value transmission mode, the terminal is at a later predetermined time. In the window, channel state information is transmitted by using a relative value transmission method. That is, at this time, the terminal determines, according to the confirmation information, a transmission manner of transmitting channel state information in a predetermined time window. In some embodiments, as shown in FIG. 9, the base station allocates a transmission mode on slotk1 to slotk4 before slotk1, where slotk2 to slotk4 use a relative value transmission mode, and the relative value needs to adopt an absolute value on slotk2, when the base station sends an acknowledgement. The information notification terminal receives the absolute value sent by the terminal on slotk1, and the terminal can use the relative value to send on slotk2~slotk4. When the base station sends an acknowledgement message to inform the terminal that the terminal does not receive the absolute value sent by the terminal on slotk1, the terminal needs to be in slotk2~ The channel state information is transmitted in absolute value on slotk4, or the terminal terminates transmission of channel state information on slotk2 to slotk4. In some embodiments, when the terminal transmits the channel state information in an absolute value transmission mode, and then needs to use the relative value transmission mode channel state information (the relative value transmission mode is allocated before), wherein the relative value is The base station sends the acknowledgment information when the absolute channel state information is sent, and the acknowledgment information does not need to be sent when the terminal does not use the relative value transmission mode to transmit the channel state information. In some embodiments the confirmation information needs to be sent after the absolute value, the relative value is sent before, if it is indicated by 9.

The relative value may also be referred to as a difference, that is, a difference between current channel state information and reference channel state information.

Embodiment 14

In this example, the terminal performs the following steps:

Step 1: Select a resource in the resource collection;

Step two: determining a first sending resource and a second sending resource;

Step 3: Send the indication information of the selected resource and/or the first quality information of the selected resource in the first sending resource, and send the quality information of the selected resource or the selected The second quality information of the resource. The first quality information and the second quality information are partial information of quality information of the selected resource. The sending resource includes at least one of the following resources: a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource.

Referring to FIG. 10, a first period includes a first transmission resource and a plurality of second transmission resources.

The first transmission resource includes a plurality of second transmission resources in one transmission period, and one transmission mode is as shown in FIG. 11 , and channel quality information of all resources selected on the first transmission resource is sent on each second transmission resource. In FIG. 11, the terminal selects {CRI1, CRI2} on slotk1, and transmits a signal quality measurement result for {CRI1, CRI2} on each second transmission resource on slotk+T, slotk+2T, slotk+3T. {RSRP1-1, RSRP2-1} transmitted on slotk+T in some embodiments is a primary signal quality measurement result for {RSRP1, RSRP2}, {RSRP1-2, RSRP2-2 transmitted on slotk+2T } Another signal quality measurement for {CRI1, CRI2}.

In another transmission mode, each second transmission resource sends signal quality information of a part of resources in all resource indication information sent on the first sending resource, where a plurality of second sending resources included in a first sending period are The correspondence between the signal quality information of the plurality of resources (the indication information of the plurality of resources is sent on the first transmission resource) is agreed by the two parties, or the base station notifies the plurality of second transmission resources and the plurality of Correspondence between signal quality information. As shown in FIG. 12, where RSRP i is signal quality information about CRIi. The correspondence may be that the order of the indication information on the first transmission resource and the transmission of the plurality of second transmission resources in a transmission period of the first transmission resource are chronologically polled.

Or transmitting the resource indication information and the reference signal quality information (that is, the first quality information) on the first sending resource, and transmitting the relative quality information (that is, the difference information between the signal quality and the reference signal quality, that is, the Said second quality information.), as shown in FIG. 13, the relative quality information transmitted on the second transmission resource, such as the difference information of the RSRP2-RSRP1 transmitted on slotk+T, the reference signal quality information is indicated in FIG. Absolute signal quality information corresponding to the first resource in the message. Certainly, the present embodiment does not exclude other reference signal quality information, such as reference signal quality information shared by multiple resources indicated by multiple indication information, and signal quality information and reference signal quality of each resource are transmitted on the second transmission resource. Relative quality information of information.

In FIGS. 12 to 13, RSRPi is signal quality information (such as RSRP, RSRQ) regarding resources indicated by CRIi, and RSRSi-j is the jth signal quality information about resources indicated by CRIi in FIG.

Since the selection information for the beam is more important than the quality information of the beam for maintaining the link, the information transmitted on the first transmission resource is more robust than the signal transmitted on the second transmission resource. The robustness may be enhanced by at least one of the following: a channel coding rate of the first transmission resource is lower than a channel coding rate on the second transmission resource, wherein the channel coding rate represents a number of information bits before channel coding And a ratio between the number of information bits after channel coding; the information repetition transmission factor of the first transmission resource is greater than the information repetition transmission factor on the second transmission resource; and between the first transmission resource and the demodulation reference signal The distance is smaller than the distance between the second transmission resource and the demodulation reference signal. The demodulation reference signal is a demodulation reference signal of the first transmission resource and/or the second transmission resource.

Embodiment 15

In this embodiment, the terminal determines the measurement resource set in a time window according to the resource that is fed back according to the indication information.

As shown in FIG. 14, the measurement set 1 is {CRI0 to CRI255}, and the measurement set 2 is obtained by the feedback {CRI1, CRI3}, such as {CRI1, CRI2, CRI5, CRI3, CRI4, CRI7}, and the measurement set 3 is fed back. {CRI5, CRI7} is obtained, for example, {CRI5, CRI6, CRI9, CRI7, CR8, CRI11}, when the terminal in measurement set 1 needs to detect {CRI0~CRI255} in which the preferred beam is selected, when measuring set 2, the terminal It is only necessary to detect {CRI1, CRI2, CRI5, CRI3, CRI4, CRI7}, in which the preferred beam is selected.

Embodiment 16

In this embodiment, the terminal selects the second resource set among the plurality of second type resource sets, and feeds back the indication information of the selected second resource set. The sending resource includes at least one of the following resources: a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource.

In all the above embodiments, the different transmission modes are distinguished by at least one of the following: channel coding mode of information (for example, Turbo code, linear block code, LDPC coding, etc.); channel coding rate; channel coding and chiseling mode; The format of the uplink control channel (similar to PUCCH format 1/1a/1b/2a/2b/3 in LTE); repeated transmission factor (repetitive transmission factor can be the number of times of repeated transmission in the time domain, the number of repeated transmissions in the frequency domain, repeated transmission Multiple resources may be identical information transmission methods, or may be time domain spreading, frequency domain spreading, or different channel coding redundancy versions of the same information; channel resources (including time domain resources) , frequency domain resources, code domain resources, at least one of airspace resources); transmission methods (such as transmission diversity, closed-loop transmission, open-loop transmission, etc.).

In the foregoing embodiment, the sending resource includes at least one of the following resources: a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource.

A method for transmitting channel state information is provided in this embodiment. FIG. 15 is a flowchart of a method for sending channel state information according to an embodiment of the present application. As shown in FIG. 15, the process includes the following steps:

Step S1502, determining a transmission mode of the transmission channel state information;

Step S1504: Send channel state information by using the sending manner;

The sending mode includes at least one of the following modes: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.

Through the above steps, the channel state information is transmitted by using an absolute value or a relative value. Therefore, the technical problem of excessive feedback load when feeding multiple beams in the related art can be solved, and the feedback load for reducing the received power of the reference signal can be achieved. effect.

In some embodiments, the execution body of the above steps may be a terminal or the like, but is not limited thereto.

In some embodiments, the manner in which the transmission channel state information is transmitted is determined according to at least one of the following information:

Whether the currently transmitted channel state information depends on the same type of channel state information previously transmitted;

One of the same type of channel state information indicates the number of bits occupied by the information;

a mapping relationship between the channel state information indication value and the channel state value;

Whether the indication information of the current channel state information depends on the reference channel state information;

Whether the receiving end has the capability of acquiring complete channel state information according to the currently transmitted channel state information;

The relative value of channel state information for transmitting multiple resources, or the absolute value of channel state information for transmitting multiple resources;

Whether multiple transmissions of the same type of channel state information are independent of each other.

In some embodiments, the reference channel state information satisfies at least one of: the current channel state information and the reference channel state information belong to the same type of channel state information; the current channel state information and the reference channel The status information is channel state information about different resources; the current channel state information and the reference channel state information are channel state information at different times of the same resource; the reference channel state information is carried in the received signaling information. The current channel state information and the reference channel state information are transmitted in the same time unit; the current channel state information is transmitted before the reference channel state information.

In some embodiments, the method further includes, before determining the transmission mode of the transmission channel state information, the method further includes: selecting a transmission mode among the plurality of transmission modes; and transmitting the indication information of the selected transmission mode.

In some embodiments, the method further includes: transmitting the channel state information by using the selected sending manner; and transmitting the channel state information by using a sending manner indicated by the base station.

In some embodiments, determining the sending manner of the sending channel state information includes at least one of: receiving signaling information, determining the sending manner according to the signaling information, where the signaling information includes the sending manner The allocation information is determined according to the channel type in which the channel state information is sent, the sending mode is determined according to the time unit information of the channel state information, and the sending is determined according to the channel state information. the way.

In some embodiments, the solution of this embodiment further includes one of: after transmitting the channel state information by using an absolute value, detecting the acknowledgement information, wherein the acknowledgement information is related to whether the channel state information is successfully sent. Acknowledgement information; detecting acknowledgement information after transmitting the channel state information in an absolute value and before transmitting channel state information using a relative value, wherein the acknowledgement information is acknowledgement information as to whether the channel state information is successfully transmitted, The relative value is obtained by referring to the absolute value.

In some embodiments, the solution of this embodiment further includes: determining, according to the acknowledgement information, a sending manner of sending the second channel state information, where the second channel state information is transmitting the channel state Channel state information transmitted after the information;

Determining, according to the confirmation information, whether to continue to use the relative value transmission manner to transmit third channel state information, where the third channel state information is a channel state sent after the sending the channel state information Information, the third channel state information requires the channel state information.

In some embodiments, transmitting the channel state information by using the sending manner includes at least one of the following:

Obtaining, according to the sending manner, a channel type for transmitting the channel state information, and transmitting the channel state information on the determined channel type;

Obtaining, according to the sending manner, a sending mode in which the channel state information is sent, and transmitting, by using the sending mode, the channel state information;

The transmission mode includes at least one of the following: a channel coding mode, a channel coding rate, a channel coding and a chiseling mode, a control channel format, a repeated transmission factor, a channel resource, and a transmission mode. In the above embodiment, the different transmission modes are distinguished by at least one of the following: channel coding mode of the third information (for example, Turbo code, linear block code, LDPC coding, etc.); channel coding rate; channel coding and chiseling mode The format of the uplink control channel (similar to PUCCH format 1/1a/1b/2a/2b/3 in LTE); repeated transmission factor (repetitive transmission factor can be the number of times of repeated transmission in the time domain, the number of repeated transmissions in the frequency domain, repeated The multiple resources sent may be the same information transmission mode, or may be a time domain spread spectrum, a frequency domain spread spectrum method, or a different channel coding redundancy version that transmits the same information); channel resources (including the time domain) At least one of resources, frequency domain resources, code domain resources, and airspace resources; transmission methods (such as transmission diversity, closed-loop transmission, open-loop transmission, etc.).

The embodiment also provides a method for receiving channel state information. FIG. 16 is a flowchart of a method for receiving channel state information according to an embodiment of the present application. As shown in FIG. 16, the process includes the following steps:

S1602. Determine a sending manner in which the first communication node sends channel state information.

S1604: Receive channel state information sent by the first communications node according to the determined sending manner, where the sending mode includes at least one of: transmitting the channel state information by using an absolute value, and transmitting the Channel status information.

In some embodiments, the execution body of the foregoing steps may be a base station or the like, but is not limited thereto.

In some embodiments, determining, by at least one of the following information, a manner in which the first communication node transmits channel state information:

Whether the currently transmitted channel state information depends on the same type of channel state information previously transmitted;

One of the same type of channel state information indicates the number of bits occupied by the information;

a mapping relationship between the channel state information indication value and the channel state value;

Whether the indication information of the current channel state information depends on the reference channel state information;

Whether the receiving end has the capability of acquiring complete channel state information according to the currently transmitted channel state information;

The relative value of channel state information for transmitting multiple resources, or the absolute value of channel state information for transmitting multiple resources;

Whether multiple channel state information of the same type sent are independent of each other;

In some embodiments, the reference channel state information satisfies at least one of the following conditions:

The current channel state information and the reference channel state information belong to the same type of channel state information;

The current channel state information and the reference channel state information are channel state information about different resources;

The current channel state information and the reference channel state information are channel state information at different times of the same resource;

The reference channel state information is carried in the sent signaling information; the base station side sends the signaling information;

The current channel state information and the reference channel state information are received at the same time unit;

The current channel state information is received prior to the reference channel state information.

In some embodiments, the solution of this embodiment further includes: sending signaling information to the first communications node, where the signaling information includes allocation information of the sending manner, and/or the signaling The reference channel state information is included in the information.

In some embodiments, after receiving the channel state information sent by the first communication node according to the determined sending manner, the method further comprises: sending confirmation information to the first communications node, wherein the confirming The information is confirmation information as to whether the channel state information transmitted by the first communication node is successfully transmitted.

In some embodiments, the method satisfies at least one of the following features:

After determining that the first communication node sends the channel state information by using an absolute value sending manner, sending the acknowledgement information, and after determining that the first communications node sends the channel state information by using a relative value sending manner, not sending The confirmation information;

After receiving the channel state information by using the absolute value transmission manner, the first communication node needs to send the acknowledgement information to the first communication node before sending the channel state information by using a relative value;

Determining, according to the confirmation information, a transmission manner adopted by the first communication node to subsequently transmit channel state information.

The embodiment also provides a method for sending information. FIG. 17 is a flowchart of a method for sending information according to an embodiment of the present application. As shown in FIG. 17, the process includes the following steps:

S1702. Select a second resource set among the plurality of second type resource sets.

S1704: Send the indication information of the selected second resource set, and/or send index information of the first resource in the selected second resource set; where the first resource is in the first resource group Selected from the collection.

In some embodiments, the selecting a second resource set among the plurality of second class resource sets satisfies at least one of the following features:

Selecting a second resource set among the plurality of second type resource sets according to the first resource;

The second resource set is selected among the plurality of second type resource sets according to the agreed rules and/or signaling information.

In some embodiments, selecting the second resource set among the plurality of second class resource sets according to the first resource, including one of the following:

Determining, according to the first resource, a second resource set in a plurality of second type resource sets, wherein the second resource set is a second resource set including all third resource sets, including a minimum number of resource elements Collection of resources;

And selecting, for each of the first resources, a corresponding second resource set, where the second resource set is a resource set that includes the least number of resource elements included in all the second type resource set including the first resource .

The third resource set includes all the first resources selected in the first type of resource set, or the third resource set includes a part of the first resource selected in the first type of resource set. a resource group.

In some embodiments, the agreed rules include at least one of the following:

Selecting, on the agreed set of sending resources, a second type of resource set corresponding to the set of sending resources; when there is only one set of the second type of resources in the set of sending resources, the selecting process may also be referred to as a determining process .

Different sets of resources are available on different sets of sending resources.

The sending resource includes at least one of the following resources: a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource.

In some embodiments, the method further comprises at least one of the following:

Determining, according to the number of resources included in the selected second resource set, a number of bits occupied by the index information;

Determining, according to the selected second resource set, a sending mode in which the index information is sent;

Determining a measurement resource set according to the selected second resource set;

Determining the first type of resource set according to the selected second resource set;

There is a correspondence between the second resource set and the sending resource.

In some embodiments, the plurality of second class resource sets are determined according to at least one of:

Receiving the signaling information, and determining the second type of resource set according to the signaling information, where the signaling information includes one or more of the second type of resource set information;

Determining one or more of the second type of resource sets according to the first resource that has been selected; the selected one is a first resource that is previously selected and fed back;

Determining one or more of the second type of resource sets according to the first type of resource set;

Determining another second type of resource set according to a second type of resource collection and agreed rules;

Determining, according to the difference set of the first type of resource set and the fourth resource set, one of the second type of resource set, wherein the fourth resource set is part or all of the plurality of second type of resource set a union of two types of resource sets;

Determining one of the second type of resource sets according to a resource group formed by the first resource.

In some embodiments, the method further comprises determining a quasi-co-location (QCL) relationship, wherein the QCL relationship is related to a demodulation reference signal and the one or more second class resources A QCL relationship between resources in the set, the demodulation reference signal comprising a control channel demodulation reference signal and/or a demodulation reference signal of the data channel. In this implementation, there is a QCL relationship between two reference signals, and channel large-scale information (or channel characteristic parameters) indicating one reference signal can be obtained from large-scale information (or channel characteristic parameters) of another reference signal, where The channel large-scale information (or channel characteristic parameter) includes at least one of the following parameters: delay spread, Doppler spread, Doppler shift, average delay, average gain, average vertical transmission angle, average horizontal transmission angle, and average vertical Angle of arrival, average horizontal arrival angle, center vertical transmission angle, center horizontal transmission angle, center vertical arrival angle, center horizontal arrival angle.

In some embodiments, the indication information and the index information satisfy at least one of the following characteristics:

The indication information and the index information are independently encoded;

The channel coding rate of the indication information is smaller than a channel coding rate of the index information;

a mapping relationship between the indication information and a demodulation reference signal sequence of a channel for transmitting the index information;

The distance between the indication information and the demodulation reference signal is less than or equal to a distance between the index information and the demodulation reference signal;

The repeated transmission factor of the indication information is greater than a repeated transmission factor of the index information;

Determining, according to the indication information, whether the index information is sent;

The indication information and the index information correspond to different transmission resources;

The demodulation reference signal is a demodulation reference signal corresponding to a channel for transmitting the indication information and/or the index information.

In some embodiments, before transmitting the index information of the first resource in the selected second resource set, the method further comprises: determining an index value and the according to signaling information and/or an appointment rule. The mapping relationship between elements in the second resource set.

In some embodiments, the resource includes at least one of the following: a reference signal resource, a reference signal quality resource, a precoding matrix resource, and an RI resource.

In some embodiments, selecting the second resource set among the plurality of second type resource sets includes: selecting one mapping relationship among the plurality of mapping relationships, wherein the mapping relationship is between the index value and the resource A mapping relationship in which all the items included in one mapping relationship constitute a second type of resource collection.

The embodiment also provides a method for receiving information. FIG. 18 is a flowchart of a method for sending information according to an embodiment of the present application. As shown in FIG. 18, the process includes the following steps:

S1802: Receive indication information of a second resource set sent by the first communications node, and/or receive index information of the first resource sent by the first communications node in the selected second resource set.

The first resource is selected by the first communication node in a first type of resource set, and the second resource set is selected by the first communication node in a plurality of second type resource sets.

In some embodiments, the method further includes:

Transmitting signaling information to the first communication node, the signaling information including at least one of the following information:

The first communication node selects selection principle information of the second resource set among the plurality of second type resource sets;

The first communication node selects selection constraint information of the second resource set among the plurality of second type resource sets;

Corresponding relationship information between the set of resource collections and the second set of resource types selectable on the sending resource;

The second type of resource collection information;

Determining, by the first communication node, determining manner information of the second type of resource set;

Mapping relationship information between the index value and an element in the second resource set;

The embodiment also provides a method for sending information. FIG. 19 is a flowchart of another method for sending information according to an embodiment of the present application. As shown in FIG. 19, the process includes the following steps:

S1902. Select a resource in a resource set.

S1904. Determine a first sending resource and a second sending resource.

S1906: The first sending resource sends the indication information of the selected resource and/or the first quality information of the selected resource, and uses the second sending resource to send the quality information of the selected resource or the selected resource. The second quality information.

The first quality information and the second quality information are partial information of quality information of the selected resource. The sending resource includes at least one of the following resources:

Time domain resources, frequency domain resources, code domain resources, and airspace resources.

In some embodiments, the first sending resource and the second sending resource satisfy at least one of the following:

The information transmission mode on the first transmission resource is different from the information transmission mode on the second transmission resource;

The first sending resource is sent before the second sending resource;

The first sending resource corresponds to a first sending period, and the second sending resource corresponds to a second sending period;

The first transmission resource occupies a control channel resource, and the second transmission resource occupies a data channel resource;

The first sending resource is periodically sent, and the second sending resource is dynamically triggered.

The distance between the first transmission resource and the demodulation reference signal is different from the distance between the second transmission resource and the demodulation reference signal.

The demodulation reference signal is a demodulation reference of the first transmission resource and/or the second transmission resource.

In some embodiments, the solution of the embodiment satisfies at least one of the following conditions:

The first sending period is greater than or equal to the second sending period;

The channel coding rate of the first transmission resource is lower than the channel coding rate of the second transmission resource, where the channel coding rate represents a ratio between the number of information bits before channel coding and the number of information bits after channel coding. ;

The information repetition transmission factor of the first transmission resource is greater than the information repetition transmission factor of the second transmission resource;

The distance between the first transmission resource and the demodulation reference signal is smaller than the distance between the second transmission resource and the demodulation reference signal.

In some embodiments, the one sending period of the first sending resource includes multiple second sending resources, which meet at least one of the following features: each second included in one sending period of the first sending resource And transmitting, on the sending resource, primary quality information of all resources indicated by the indication information sent on the first sending resource; sending, on each second sending resource included in one sending period of the first sending resource, about the first sending resource The quality information of the part of the plurality of resources indicated by the sent indication information; determining, by the signaling information or the agreement rule, the plurality of second sending resources and the first sending resource included in one sending period of the first sending resource Correspondence between multiple resources indicated by multiple pieces of indication information sent.

In some embodiments, the indication information and the quality information are independently coded, corresponding to respective cyclic check codes CRC; the first quality information is absolute quality information, and the second quality information is relative quality information; The indication information is index information of the resource; the quality information is reference signal received power RSRP of the resource, and/or reference signal received quality RSRQ.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present application, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present application.

In this embodiment, a channel state information feedback, a channel state information receiving, and an information sending device are also provided. The device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 20 is a structural block diagram of a state information feedback apparatus according to an embodiment of the present application. As shown in FIG. 20, the apparatus includes:

The determining module 200 is configured to determine a sending manner of the sending channel state information;

The sending module 202 is configured to send channel state information by using a sending manner;

The sending mode includes at least one of the following: transmitting channel state information by using an absolute value, and transmitting channel state information by using a relative value.

The present embodiment further provides a channel state information receiving apparatus. FIG. 21 is a structural block diagram of a state information receiving apparatus according to an embodiment of the present application. As shown in FIG. 21, the apparatus includes:

The determining module 210 is configured to determine a sending manner of the first communication node to send the channel state information, and the receiving module 212 is configured to receive the channel state information sent by the first communications node according to the determined sending manner, where the sending manner includes at least one of the following : The channel state information is transmitted in absolute value, and the channel state information is transmitted using the relative value.

The embodiment also provides an information sending apparatus. FIG. 22 is a structural block diagram of an information sending apparatus according to an embodiment of the present application. As shown in FIG. 22, the apparatus includes:

The selecting module 220 is configured to select a second resource set among the plurality of second type resource sets; the sending module 222 is configured to send the indication information of the second type resource set, and/or send the first resource in the second resource set Index information in which the first resource is selected in the first type of resource set.

The present embodiment further provides another information transmitting apparatus. FIG. 23 is a structural block diagram of another information transmitting apparatus according to an embodiment of the present application. As shown in FIG. 23, the apparatus includes:

The selecting module 230 is configured to select a resource in the resource set, the determining module 232 is configured to determine the first sending resource and the second sending resource, and the sending module 234 is configured to send the indication information of the selected resource in the first sending resource and/or Or the first quality information, using the second sending resource to send the selected quality information or the second quality information; wherein the first quality information and the second quality information are part of the quality information of the selected resource.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination. The forms are located in different processors.

As shown in FIG. 24, an embodiment of the present invention further provides a communication device, including: a memory and a processor, the processor being connected to the memory, configured to run a program stored on the memory, where The channel state information transmitting method provided by one or more of the foregoing embodiments is executed when the program is running, for example, the method shown in FIGS. 15 to 20.

The memory can be coupled to the processor via various types of buses. The processor can be various types of processors, such as a central processing unit, a microprocessor, a digital signal processor, or an application specific integrated circuit.

Embodiments of the present application also provide a storage medium. In some embodiments, in the present embodiment, the above storage medium may be configured to store program code for performing the following steps:

S1. Determine a sending manner of sending channel state information.

S2, sending channel state information by using a sending manner;

The sending mode includes at least one of the following methods: transmitting channel state information by using an absolute value, and transmitting channel state information by using a relative value.

In some embodiments, in the embodiment, the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), and a mobile hard disk. A variety of media that can store program code, such as a disk or a disc.

In some embodiments, in this embodiment, the processor performs a determining manner of transmitting the channel state information according to the stored program code in the storage medium;

In some embodiments, in this embodiment, the processor performs transmitting the channel state information in a sending manner according to the stored program code in the storage medium;

The sending mode includes at least one of the following methods: transmitting channel state information by using an absolute value, and transmitting channel state information by using a relative value.

In some embodiments, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

Obviously, those skilled in the art should understand that the above modules or steps of the present application can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in a network composed of multiple computing devices. In some embodiments, they may be implemented by program code executable by a computing device such that they may be stored in a storage device for execution by the computing device and, in some cases, may differ from this The steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module. Thus, the application is not limited to any particular combination of hardware and software.

The above description is only the preferred embodiment of the present application, and is not intended to limit the present application, and various changes and modifications may be made to the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application are intended to be included within the scope of the present application.

Claims (39)

1. A method for transmitting channel state information includes:

   Determining how to send the channel status information;

   Transmitting channel state information by using the sending manner;

   The sending mode includes at least one of the following modes: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.
2. The method according to claim 1, wherein the manner of transmitting the transmission channel state information is determined according to at least one of the following information:

   Whether the currently transmitted channel state information depends on the same type of channel state information previously transmitted;

   One of the same type of channel state information indicates the number of bits occupied by the information;

   a mapping relationship between the channel state information indication value and the channel state value;

   Whether the indication information of the current channel state information depends on the reference channel state information;

   Whether the receiving end has the capability of acquiring complete channel state information according to the currently transmitted channel state information;

   The relative value of channel state information for transmitting multiple resources, or the absolute value of channel state information for transmitting multiple resources;

   Whether multiple transmissions of the same type of channel state information are independent of each other.
3. The method of claim 2, wherein the reference channel state information satisfies at least one of the following conditions:

   The current channel state information and the reference channel state information belong to the same type of channel state information;

   The current channel state information and the reference channel state information are channel state information about different resources;

   The current channel state information and the reference channel state information are channel state information at different times of the same resource;

   The reference channel state information is carried in the received signaling information;

   Transmitting the current channel state information and the reference channel state information in the same time unit;

   The current channel state information is sent before the reference channel state information.
4. The method of claim 1, wherein the method further comprises, before determining the manner of transmitting the channel state information, the method further comprising:

   Select a transmission method among multiple transmission methods;

   Sends the indication of the selected transmission method.
5. The method of claim 4 wherein said method further comprises one of the following:

   Transmitting the channel state information by using the selected sending manner;

   The channel state information is sent by using a sending mode indicated by the base station.
6. The method of claim 1, wherein determining the manner in which the transmission channel state information is transmitted comprises at least one of the following:

   Receiving the signaling information, and determining the sending manner according to the signaling information, where the signaling information includes allocation information of the sending manner;

   Determining the sending mode according to a channel type in which the channel state information is sent;

   Determining the sending mode according to time unit information for sending the channel state information;

   The transmission mode is determined according to the channel state information.
7. The method of claim 1 wherein one of the following is included:

   After transmitting the channel state information in an absolute value, detecting the acknowledgement information, wherein the acknowledgement information is acknowledgement information as to whether the channel state information is successfully transmitted;

   Detecting the acknowledgment information after transmitting the channel state information in an absolute value and before transmitting the channel state information using a relative value, wherein the acknowledgment information is acknowledgment information as to whether the channel state information is successfully transmitted, the relative information The value is obtained by referring to the absolute value.
8. The method of claim 7 wherein said method further comprises one of the following:

   Determining, according to the acknowledgement information, a sending manner of sending the second channel state information, where the second channel state information is channel state information that is sent after the channel state information is sent;

   Determining, according to the confirmation information, whether to continue to use the relative value transmission manner to transmit third channel state information, where the third channel state information is a channel state sent after the sending the channel state information Information, the third channel state information requires the channel state information.
9. The method according to claim 1, wherein the transmitting the channel state information by using the transmitting mode comprises at least one of the following:

   Obtaining, according to the sending manner, a channel type for transmitting the channel state information, and transmitting the channel state information on the determined channel type;

   And transmitting, according to the sending manner, a transmission mode for transmitting the channel state information, and transmitting the channel state information by using the transmission mode.
10. A channel state information receiving method, comprising:

    Determining a manner of transmitting the channel state information sent by the first communication node;

    Receiving channel state information sent by the first communication node according to the determined sending manner;

    The sending mode includes at least one of: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.
11. The method according to claim 10, wherein the manner in which the first communication node transmits channel state information is determined according to at least one of the following information:

    Whether the currently transmitted channel state information depends on the same type of channel state information previously transmitted;

    One of the same type of channel state information indicates the number of bits occupied by the information;

    a mapping relationship between the channel state information indication value and the channel state value;

    Whether the indication information of the current channel state information depends on the reference channel state information;

    Whether the receiving end has the capability of acquiring complete channel state information according to the currently transmitted channel state information;

    The relative value of channel state information for transmitting multiple resources, or the absolute value of channel state information for transmitting multiple resources;

    Whether multiple transmissions of the same type of channel state information are independent of each other.
12. The method of claim 11, wherein the reference channel state information satisfies at least one of the following conditions:

    The current channel state information and the reference channel state information belong to the same type of channel state information;

    The current channel state information and the reference channel state information are channel state information about different resources;

    The current channel state information and the reference channel state information are channel state information at different times of the same resource;

    The reference channel state information is carried in the sent signaling information;

    The current channel state information and the reference channel state information are received at the same time unit;

    The current channel state information is received prior to the reference channel state information.
13. The method according to claim 10 or 11, wherein the method further comprises:

    And transmitting signaling information to the first communications node, where the signaling information includes allocation information of the sending manner, and/or the signaling information includes reference channel state information.
14. The method according to claim 10, further characterized by: after receiving the channel state information sent by the first communication node according to the determined sending manner, the method further comprises:

    Sending confirmation information to the first communication node, wherein the confirmation information is confirmation information about whether the channel state information sent by the first communication node is successfully transmitted.
15. The method of claim 14 that satisfies at least one of the following features:

    After determining that the first communication node sends the channel state information by using an absolute value sending manner, sending the acknowledgement information, and after determining that the first communications node sends the channel state information by using a relative value sending manner, not sending The confirmation information;

    After receiving the channel state information by using the absolute value transmission manner, the first communication node needs to send the acknowledgement information to the first communication node before sending the channel state information by using a relative value;

    Determining, according to the confirmation information, a transmission manner adopted by the first communication node to subsequently transmit channel state information.
16. A method for transmitting information, including:

    Selecting a second resource set among the plurality of second type resource sets;

    Sending the selected indication information of the second resource set, and/or transmitting index information of the first resource in the selected second resource set;

    The first resource is selected in a first type of resource set.
17. The method of claim 16 wherein: said selecting a second set of resources among a plurality of second set of resource sets, said at least one of:

    Selecting a second resource set among the plurality of second type resource sets according to the first resource;

    The second resource set is selected among the plurality of second type resource sets according to the agreed rules and/or signaling information.
18. The method according to claim 17, wherein the second resource set is selected among the plurality of second class resource sets according to the first resource, including one of the following:

    Determining, according to the first resource, a second resource set in a plurality of second type resource sets, wherein the second resource set is a second resource set including all third resource sets, including a minimum number of resource elements Collection of resources;

    And selecting, for each of the first resources, a corresponding second resource set, where the second resource set is a resource set that includes the least number of resource elements included in all the second type resource set including the first resource ;

    The third resource set includes all the first resources selected in the first type of resource set, or the third resource set includes a part of the first resource selected in the first type of resource set. a resource group.
19. The method of claim 17, wherein the agreed rule comprises at least one of the following:

    Selecting, on the agreed set of sending resources, a second set of resources corresponding to the set of sending resources;

    Different sets of resources are available on different sets of sending resources;

    The sending resource includes at least one of the following resources: a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource.
20. The method of claim 16 wherein said method further comprises at least one of the following:

    Determining, according to the number of resources included in the selected second resource set, a number of bits occupied by the index information;

    Determining, according to the selected second resource set, a sending mode in which the index information is sent;

    Determining a measurement resource set according to the selected second resource set;

    Determining the first type of resource set according to the selected second resource set;

    There is a correspondence between the second resource set and the sending resource.
21. The method of claim 16, wherein the plurality of second class resource sets are determined according to at least one of:

    Receiving the signaling information, and determining the second type of resource set according to the signaling information, where the signaling information includes one or more of the second type of resource set information;

    Determining one or more of the second set of resource sets according to the first resource that has been selected;

    Determining one or more of the second type of resource sets according to the first type of resource set;

    Determining another second type of resource set according to a second type of resource collection and agreed rules;

    Determining, according to the difference set of the first type of resource set and the fourth resource set, one of the second type of resource set, wherein the fourth resource set is part or all of the plurality of second type of resource set a union of two types of resource sets;

    Determining one of the second type of resource sets according to a resource group formed by the first resource.
22. The method of claim 16 wherein the method further comprises:

    Determining a quasi-co-located QCL relationship, wherein the QCL relationship is related to a QCL relationship between a demodulation reference signal and a resource in one or more of the second set of resource sets, the demodulation reference signal comprising a control channel solution The demodulation reference signal of the reference signal and/or the data channel is adjusted.
23. The method of claim 16, wherein the indication information and the index information satisfy at least one of the following characteristics:

    The indication information and the index information are independently encoded;

    The channel coding rate of the indication information is smaller than a channel coding rate of the index information;

    a mapping relationship between the indication information and a demodulation reference signal sequence of a channel for transmitting the index information;

    The distance between the indication information and the demodulation reference signal is less than or equal to a distance between the index information and the demodulation reference signal;

    The repeated transmission factor of the indication information is greater than a repeated transmission factor of the index information;

    Determining, according to the indication information, whether the index information is sent;

    The indication information and the index information correspond to different transmission resources;

    The demodulation reference signal is a demodulation reference signal corresponding to a channel for transmitting the indication information and/or the index information.
24. The method of claim 16, wherein before the transmitting the index information of the first resource in the selected second resource set, the method further comprises:

    A mapping relationship between the index value and an element in the second resource set is determined according to signaling information and/or an appointment rule.
25. The method of claim 16, the resource comprising at least one of the following resources:

    Reference signal resources, reference signal quality resources, precoding matrix resources, RI resources.
26. The method of claim 16 wherein selecting the second set of resources among the plurality of second set of resource sets comprises:

    In a plurality of mapping relationships, a mapping relationship is selected, wherein the mapping relationship is a mapping relationship between the index value and a resource, wherein resources included in all items in one mapping relationship constitute a second type resource collection.
27. A method for receiving information includes:

    Receiving indication information of the second resource set sent by the first communication node, and/or receiving index information of the first resource sent by the first communication node in the selected second resource set;

    The first resource is selected by the first communication node in a first type of resource set, and the second resource set is selected by the first communication node in a plurality of second type resource sets.
28. The method of claim 27, the method further comprising:

    Transmitting signaling information to the first communication node, the signaling information including at least one of the following information:

    The first communication node selects selection principle information of the second resource set among the plurality of second type resource sets;

    The first communication node selects selection constraint information of the second resource set among the plurality of second type resource sets;

    Corresponding relationship information between the set of resource collections and the second set of resource types selectable on the sending resource;

    The second type of resource collection information;

    Determining, by the first communication node, determining manner information of the second type of resource set; mapping information between the index information and an element in the second resource set.
29. A method for transmitting information, including:

    Select a resource in the resource collection;

    Determining a first sending resource and a second sending resource;

    Transmitting, by the first sending resource, the selected indication information of the resource and/or the first quality information of the selected resource, using the second sending resource to send the quality information of the selected resource or the selected resource. The second quality information, the first quality information and the second quality information are partial information of quality information of the selected resource.
30. The method of claim 29, wherein the first transmission resource and the second transmission resource satisfy at least one of:

    The information transmission mode on the first transmission resource is different from the information transmission mode on the second transmission resource;

    The first sending resource is sent before the second sending resource;

    The first sending resource corresponds to a first sending period, and the second sending resource corresponds to a second sending period;

    The first transmission resource occupies a control channel resource, and the second transmission resource occupies a data channel resource;

    The first sending resource is periodically sent, and the second sending resource is dynamically triggered.

    a distance between the first transmission resource and the demodulation reference signal and a distance between the second transmission resource and the demodulation reference signal are different;

    The demodulation reference signal is a demodulation reference of the first transmission resource and/or the second transmission resource.
31. The method of claim 30, wherein at least one of the following is satisfied:

    The first sending period is greater than or equal to the second sending period;

    The channel coding rate of the first transmission resource is lower than the channel coding rate of the second transmission resource, where the channel coding rate represents a ratio between the number of information bits before channel coding and the number of information bits after channel coding. ;

    The information repetition transmission factor of the first transmission resource is greater than the information repetition transmission factor of the second transmission resource;

    The distance between the first transmission resource and the demodulation reference signal is smaller than the distance between the second transmission resource and the demodulation reference signal.
32. The method according to claim 29, wherein one of the transmission periods of the first transmission resource includes a plurality of second transmission resources, which satisfy at least one of the following features:

    Transmitting, by each second transmission resource included in one transmission period of the first transmission resource, primary quality information about all resources indicated by the indication information sent on the first transmission resource;

    And transmitting, on each second sending resource included in one sending period of the first sending resource, quality information about a part of resources of the plurality of resources indicated by the indication information sent on the first sending resource;

    And determining, according to the signaling information or the agreement rule, a correspondence between the plurality of second sending resources included in one sending period of the first sending resource and the plurality of resources indicated by the multiple indication information sent by the first sending resource.
33. The method of claim 29 wherein:

    The indication information and the quality information are independently coded, corresponding to respective cyclic check codes CRC;

    The first quality information is absolute quality information, and the second quality information is relative quality information;

    The indication information is index information of the resource;

    The quality information is a reference signal received power RSRP of the resource, and/or a reference signal received quality RSRQ.
34. A channel state information transmitting apparatus, comprising:

    Determining a module configured to determine a transmission mode of the transmission channel state information;

    a sending module, configured to send channel state information by using the sending manner;

    The sending mode includes at least one of: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.
35. A channel state information receiving apparatus, comprising:

    a determining module configured to determine a sending manner of the channel state information sent by the first communications node;

    a receiving module, configured to receive channel state information sent by the first communications node according to the determined sending manner;

    The sending mode includes at least one of: transmitting the channel state information by using an absolute value, and transmitting the channel state information by using a relative value.
36. An information transmitting device, comprising:

    Selecting a module, configured to select a second resource set among the plurality of second type resource sets;

    a sending module, configured to send indication information of the second type of resource set, and/or to send index information of the first resource in the second resource set, where the first resource is in the first type of resource set Choose to get it.
37. An information transmitting device, comprising:

    Select a module configured to select a resource in a resource collection;

    a determining module, configured to determine a first sending resource and a second sending resource;

    The sending module is configured to send the indication information of the selected resource and/or the first quality information in the first sending resource, and send the selected quality information or the second quality information by using the second sending resource;

    The first quality information and the second quality information are partial information of quality information of the selected resource.
38. A storage medium, wherein the storage medium comprises a stored program, wherein the program is executed to perform the method of any one of claims 1 to 33.
39. A communication device comprising: a memory and a processor, the processor being coupled to the memory, configured to execute a program stored on the memory, wherein the program is executed to perform any of claims 1 to 33 One of the methods described.

Images