CN108882265B - NAICS capability reporting and NAICS parameter configuration method, device, user equipment and base station - Google Patents
NAICS capability reporting and NAICS parameter configuration method, device, user equipment and base station Download PDFInfo
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Abstract
The invention provides a method, a device, user equipment and a base station for reporting NAICS capability and configuring NAICS parameters. The NAICS capability reporting method comprises the following steps: when the user equipment supports the receiving of downlink data in a mode of shortening transmission time intervals or feedback time, determining NAICS capacity proportion parameters or determining actual NAICS capacity, wherein the NAICS capacity proportion parameters represent the ratio of NAICS capacity when the downlink data is received in a mode of shortening transmission time intervals or feedback time relative to the NAICS capacity when the downlink data is received in a mode of normal transmission time intervals and normal feedback time; and reporting the NAICS capability proportion parameter or the actual NAICS capability to a base station, so that the base station configures the NAICS parameter for the base station according to the NAICS capability proportion parameter or the actual NAICS capability. The invention not only can facilitate the user equipment to eliminate the interference of the adjacent cells in time, but also can improve the transmission performance.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a method, a device, user equipment and a base station for NAICS capability reporting and NAICS parameter configuration.
Background
Currently, in release 12(R12) of the 3rd Generation Partnership Project (3 GPP), a Network Assisted Interference Cancellation/Suppression (NAICS) technology is introduced. By the technology, with the aid of the auxiliary information provided by the network, the receiver of the UE can reduce the neighboring cell interference on a Physical Downlink Shared Channel (PDSCH) of the serving cell, and improve the PDSCH reception quality.
Meanwhile, in 72 conferences of the 3GPP RAN, a technique of shortening a Transmission Time Interval (TTI, hereinafter) and a processing Time (processing Time) is also introduced. On one hand, for the conventional TTI of 1ms, the time between downlink data and Hybrid Automatic Repeat reQuest (HARQ) feedback is reduced, that is, for downlink data on the PDSCH of subframe n, the UE needs to perform HARQ feedback on subframe n + M, where M <4 (hereinafter referred to as "feedback time reduction").
Alternatively, the UE also supports a shortened TTI, such as an sTTI of 0.5ms or 2 symbol length, and a corresponding shortened processing delay (less than 3 ms processing delay).
Therefore, when the UE receives downlink data in a manner of shortening the TTI or shortening the feedback time, the processing time for the downlink data will be shortened, and the NAICS processing capability will be generated when normal feedback (the conventional TTI of 1ms and feedback in subframe n + 4) cannot be achieved. If the eNB still performs parameter configuration according to the NAICS capability reported by the UE according to normal feedback, the UE cannot completely use the parameters to perform interference cancellation, and unnecessary signaling overhead is caused.
Disclosure of Invention
The NAICS capability reporting and NAICS parameter configuration method, device, user equipment and base station provided by the invention not only can facilitate the user equipment to eliminate the interference of adjacent cells in time, but also can improve the transmission performance.
In a first aspect, the present invention provides a method for reporting NAICS capability, including:
when the user equipment supports the receiving of downlink data in a mode of shortening transmission time intervals or feedback time, determining NAICS capacity proportion parameters or determining actual NAICS capacity, wherein the NAICS capacity proportion parameters represent the ratio of NAICS capacity when the downlink data is received in a mode of shortening transmission time intervals or feedback time relative to the NAICS capacity when the downlink data is received in a mode of normal transmission time intervals and normal feedback time;
and reporting the NAICS capability proportion parameter or the actual NAICS capability to a base station, so that the base station configures the NAICS parameter for the base station according to the NAICS capability proportion parameter or the actual NAICS capability.
Optionally, the determining the NAICS capability ratio parameter includes:
receiving normal NAICS capability when receiving downlink data in a mode of normal transmission time interval and normal feedback time;
acquiring the actual NAICS capability when receiving downlink data in a mode of shortening the transmission time interval or shortening the feedback time;
and calculating the NAICS capability proportion parameter according to the normal NAICS capability and the actual NAICS capability.
Optionally, the determining the actual NAICS capability includes:
receiving a shortened time corresponding to the shortened transmission time interval or the shortened feedback time;
and determining the corresponding actual NAICS capability according to the shortened time.
In a second aspect, the present invention provides a device for reporting NAICS capability, which includes
A determining unit, configured to determine a NAICS capability proportion parameter or determine an actual NAICS capability when receiving downlink data in a manner of shortening a transmission time interval or shortening a feedback time, the NAICS capability proportion parameter indicating a ratio of a NAICS capability when receiving downlink data in a manner of shortening a transmission time interval or shortening a feedback time with respect to a NAICS capability when receiving downlink data in a manner of a normal transmission time interval and a normal feedback time;
and a reporting unit, configured to report the NAICS capability proportion parameter or the actual NAICS capability to a base station, so that the base station configures the NAICS parameter for itself according to the NAICS capability proportion parameter or the actual NAICS capability.
Optionally, the determining unit includes:
a receiving module, configured to receive a normal NAICS capability when receiving downlink data in a normal transmission time interval and normal feedback time manner;
an obtaining module, configured to obtain an actual NAICS capability when downlink data is received in a manner of shortening a transmission time interval or shortening a feedback time;
and the first calculation module is used for calculating the NAICS capability proportion parameter according to the normal NAICS capability and the actual NAICS capability.
Optionally, the obtaining module includes:
the receiving submodule is used for receiving shortened time corresponding to the shortened transmission time interval or the shortened feedback time;
and the determining submodule is used for determining the corresponding actual NAICS capability according to the shortened time.
In a third aspect, the present invention provides a ue, where the ue includes the apparatus for reporting NAICS capability.
In a fourth aspect, the present invention provides a method for configuring NAICS parameters, where the method includes:
receiving NAICS capability proportion parameter or actual NAICS capability reported by user equipment when receiving downlink data in a mode of shortening transmission time interval or feedback time, wherein the NAICS capability proportion parameter represents the ratio of the NAICS capability when receiving the downlink data in the mode of shortening transmission time interval or feedback time relative to the NAICS capability when receiving the downlink data in the mode of normal transmission time interval and normal feedback time;
and configuring the NAICS parameter for the user equipment according to the NAICS capability proportion parameter or the actual NAICS capability.
Optionally, the configuring, for the ue, the NAICS parameter according to the NAICS capability ratio parameter includes:
calculating the actual NAICS capability according to the NAICS capability proportion parameter;
and configuring NAICS capability parameters according to the actual NAICS capability.
Optionally, the calculating the actual NAICS capability according to the NAICS capability proportion parameter includes:
the actual NAICS capability is calculated according to the following formula:
P2＝S*P1；
wherein, P1For normal NAICS capability, P2For the actual NAICS capability, S is the NAICS capability ratio parameter.
Optionally, when the NAICS capability is the number of component carriers that the UE can perform NAICS processing, and the maximum aggregation bandwidth (number of physical resource blocks) in the component carriers, that is, the normal NAICS capability P1Is { CC number, PRB number }, and the proportional parameter is S, then the actual NAICS capability P2The number of the CC is { number of the CC,
}；
wherein,
indicating a rounding down.
In a fifth aspect, the present invention provides a NAICS parameter configuration device, including:
a receiving unit, configured to receive an NAICS capability ratio parameter or an actual NAICS capability reported when a user equipment receives downlink data in a manner of shortening a transmission time interval or shortening feedback time;
a configuration unit, configured to configure the NAICS parameter for the user equipment according to the NAICS capability proportion parameter or the actual NAICS capability.
Optionally, the configuration unit includes:
the second calculation module is used for calculating the actual NAICS capability according to the proportion parameters;
a configuration module for configuring the NAICS capability parameter according to the actual NAICS capability.
Optionally, the second calculating module is configured to calculate the actual NAICS capability according to the following formula:
P2＝S*P1；
wherein, P1For normal NAICS capability, P2For the actual NAICS capability, S is the NAICS capability ratio parameter.
Optionally, when the NAICS capability is the number of component carriers that the UE can perform NAICS processing, and the maximum aggregation bandwidth (number of physical resource blocks) in the component carriers, that is, the normal NAICS capability P1When the number is { CC number, PRB number }, and the proportional parameter is S, the second calculation module calculates the value according to P2＝S*P1The actual NAICS capability is calculated to be CC number,
}；
wherein,
indicating a rounding down.
In a sixth aspect, the present invention provides a base station, where the base station includes the above NAICS parameter configuration apparatus.
The NAICS capability reporting method, the NAICS capability reporting device, the user equipment and the base station provided by the embodiment of the invention determine the NAICS capability proportion parameter or determine the actual NAICS capability when receiving downlink data in a mode of shortening transmission time interval or feedback time, and then upload the determined NAICS capability proportion parameter or the actual NAICS capability to the base station, so that the base station can configure the NAICS parameter for the base station according to the corresponding NAICS capability proportion parameter or the actual NAICS capability of the user equipment in the mode of shortening transmission time interval or feedback time, and the NAICS capability reporting method is convenient for the user equipment to eliminate the interference of adjacent cells in time on one hand, and can also improve the transmission performance on the other hand.
Drawings
FIG. 1 is a flowchart of a method for reporting NAICS capability according to an embodiment of the present invention;
FIG. 2 is a flowchart of a NAICS capability reporting method according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an NAICS capability reporting device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an NAICS capability reporting device according to another embodiment of the present invention;
FIG. 5 is a flowchart of a NAICS parameter configuration method according to an embodiment of the present invention;
FIG. 6 is a flow chart of a NAICS parameter configuration method according to another embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a NAICS parameter configuration apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a NAICS parameter configuration device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a method for reporting NAICS capability, as shown in fig. 1, the method includes:
s1, when the user equipment supports the receiving of the downlink data in the mode of shortening the transmission time interval or shortening the feedback time, determining a NAICS capability proportion parameter or determining the actual NAICS capability, wherein the NAICS capability proportion parameter represents the ratio of the NAICS capability when the downlink data is received in the mode of shortening the transmission time interval or shortening the feedback time relative to the NAICS capability when the downlink data is received in the mode of normal transmission time interval and normal feedback time;
s2, reporting the NAICS capability proportion parameter or the actual NAICS capability to the base station, so that the base station configures the NAICS parameter for itself according to the NAICS capability proportion parameter or the actual NAICS capability.
The NAICS capability reporting method provided by the embodiment of the invention solves the problem that when UE receives downlink data in a mode of shortening TTI or shortening feedback time, the processing time of the downlink data is shortened, and the NAICS processing capability which cannot achieve normal feedback (the traditional TTI of 1ms and the feedback in a subframe n + 4) occurs. That is, when the UE receives downlink data in a manner of shortening the transmission time interval or shortening the feedback time, the UE may not reach the reported NAICS processing capability, and if the base station still configures the NAICS parameter according to the capability reported by the UE, the problem of unnecessary signaling overhead may be caused.
The first mode adopted by the NAICS capability reporting method in the embodiment of the invention is to determine the actual NAICS capability when receiving downlink data in a mode of shortening transmission time interval or shortening feedback time, and then upload the determined actual NAICS capability to a base station;
or, the second method is to determine the NAICS capability ratio parameter when receiving the downlink data in a manner of shortening the transmission time interval or shortening the feedback time, and then upload the determined NAICS capability ratio parameter to the base station, so that the base station can configure the NAICS parameter for itself according to the NAICS capability ratio parameter corresponding to the user equipment in a manner of shortening the transmission time interval or shortening the feedback time, or the actual NAICS capability, and the NAICS capability reporting method is convenient for the user equipment to eliminate the interference of the adjacent cells in time on one hand, and can improve the transmission performance on the other hand.
Meanwhile, in the method for reporting NAICS capability of this embodiment, before the step S1, the step S0 is further included: judging whether the user equipment supports receiving downlink data in a mode of shortening the transmission time interval or shortening the feedback time, if so, executing S1; if not, reporting NAICS capability when receiving downlink data in a normal transmission time interval and normal feedback time mode.
Optionally, as shown in fig. 2, the determining the NAICS capability ratio parameter includes:
s11, receiving normal NAICS capability when receiving downlink data in a normal transmission time interval and normal feedback time mode;
s12, obtaining the actual NAICS capability when receiving the downlink data in a mode of shortening the transmission time interval or shortening the feedback time;
s13, calculating the NAICS capability proportion parameter according to the normal NAICS capability and the actual NAICS capability.
Specifically, in this embodiment, the method for reporting the NAICS capability first receives a normal NAICS capability, then obtains an actual NAICS capability, and finally obtains a ratio of the actual NAICS capability to the normal NAICS capability, so as to obtain the NAICS capability ratio parameter, and reports the determined NAICS capability ratio parameter to the base station by the user equipment when receiving downlink data in a manner of shortening a transmission time interval or shortening a feedback time.
Optionally, the determining the actual NAICS capability includes:
receiving a shortened time corresponding to the shortened transmission time interval or the shortened feedback time;
and determining the corresponding actual NAICS capability according to the shortened time.
Specifically, in this embodiment, when downlink data is received in a manner of shortening a transmission time interval or shortening a feedback time, a shortened time corresponding to the shortened transmission time interval or the shortened feedback time corresponds to an actual NAICS capability, and the corresponding relationship is stored in the user equipment, so that the corresponding actual NAICS capability can be determined according to the shortened time. For example, when the user equipment performs HARQ feedback in subframe n +2, the ratio parameter is set to 0.7; and when the user equipment performs HARQ feedback in the subframe n +3, setting the proportion parameter to be 0.8.
An embodiment of the present invention further provides a device for reporting NAICS capability, as shown in fig. 3, where the device includes:
a determining unit, configured to determine a NAICS capability proportion parameter or determine an actual NAICS capability when receiving downlink data in a manner of shortening a transmission time interval or shortening a feedback time, the NAICS capability proportion parameter indicating a ratio of a NAICS capability when receiving downlink data in a manner of shortening a transmission time interval or shortening a feedback time with respect to a NAICS capability when receiving downlink data in a manner of a normal transmission time interval and a normal feedback time;
and a reporting unit, configured to report the NAICS capability proportion parameter or the actual NAICS capability to a base station, so that the base station configures the NAICS parameter for itself according to the NAICS capability proportion parameter or the actual NAICS capability.
In the NAICS capability reporting device provided in the embodiment of the present invention, the determination unit determines the NAICS capability of the user equipment, and then the reporting unit reports the real-time NAICS capability to the base station, so that when the user equipment receives downlink data in a manner of shortening a transmission time interval or shortening a feedback time, the user equipment can accurately report the corresponding actual NAICS capability, and thus the user terminal can eliminate interference of adjacent cells in time, and improve the transmission performance of the device.
Optionally, as shown in fig. 4, the determining unit includes:
a receiving module, configured to receive a normal NAICS capability when receiving downlink data in a normal transmission time interval and normal feedback time manner;
an obtaining module, configured to obtain an actual NAICS capability when downlink data is received in a manner of shortening a transmission time interval or shortening a feedback time;
and the first calculation module is used for calculating the NAICS capability proportion parameter according to the normal NAICS capability and the actual NAICS capability.
Optionally, the obtaining module includes:
the receiving submodule is used for receiving shortened time corresponding to the shortened transmission time interval or the shortened feedback time;
and the determining submodule is used for determining the corresponding actual NAICS capability according to the shortened time.
The apparatus of this embodiment may be configured to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
The embodiment of the invention also provides the user equipment which comprises the NAICS capability reporting device.
The embodiment of the present invention further provides a method for configuring NAICS parameters, as shown in fig. 5, the method includes:
s101, receiving NAICS capability proportion parameter or actual NAICS capability reported by user equipment when receiving downlink data in a mode of shortening transmission time interval or feedback time, wherein the NAICS capability proportion parameter represents the ratio of the NAICS capability when receiving the downlink data in the mode of shortening transmission time interval or feedback time relative to the NAICS capability when receiving the downlink data in the mode of normal transmission time interval and normal feedback time;
s102, configuring NAICS parameters for the user equipment according to the NAICS capability proportion parameters or the actual NAICS capability.
The NAICS parameter configuration method provided by the embodiment of the invention solves the problem that the NAICS parameter configured for the user equipment exceeds the capability of the user equipment because the actual NAICS capability of the user equipment cannot be accurately obtained, and the first mode of the NAICS parameter configuration method adopts the method of directly receiving the actual NAICS capability reported when the user equipment receives downlink data in a mode of shortening the transmission time interval or shortening the feedback time; then configuring NAICS parameters for the user equipment according to the actual NAICS capability.
Or, the second mode adopts the NAICS capability proportion parameter reported when the receiving user equipment receives the downlink data in a mode of shortening the transmission time interval or shortening the feedback time; then, the actual NAICS capability is calculated through the NAICS capability proportion parameter, and finally, the NAICS parameter is configured for the user equipment according to the actual NAICS capability.
Therefore, the method of the embodiment can accurately configure the NAICS parameters according to the actual NAICS capability of the user equipment, thereby avoiding signaling overhead.
Optionally, as shown in fig. 6, the configuring, for the ue, the NAICS parameter according to the NAICS capability ratio parameter includes:
s111, calculating the actual NAICS capability according to the NAICS capability proportion parameter;
s112, configuring NAICS capability parameters according to the actual NAICS capability.
Optionally, the calculating the actual NAICS capability according to the NAICS capability proportion parameter includes:
the actual NAICS capability is calculated according to the following formula:
P2＝S*P1；
wherein, P1For normal NAICS capability, P2For the actual NAICS capability, S is the NAICS capability ratio parameter.
Optionally, when the NAICS capability is the number of component carriers that the UE can perform NAICS processing, and the maximum aggregation bandwidth (i.e., the maximum aggregation bandwidth) in the component carriersNumber of physical resource blocks), i.e. normal NAICS capability P1Is { CC number, PRB number }, and the proportional parameter is S, then the actual NAICS capability P2The number of the CC is { number of the CC,
}；
wherein,
indicating a rounding down.
For example, when the UE supports NAICS in band combination a and b, the normal NAICS capability in band combination a is { X }aCC，YaPRB, and the normal NAICS capability at band combination b is { X }bCC，YbPRB }. And the UE supports the feedback time of n +3 and the feedback time of n +2, the UE reports the NAICS capability proportion parameter S corresponding to the feedback of n +31Feeding back a corresponding NAICS capability proportion parameter S with n +22Then, when the UE receives downlink data in the n +3 feedback time manner, the actual NAICS capability on the frequency band combination a is { X }aCC，
PRB, NAICS capability of b at frequency band combination is { X }bCC，
PRB }. Meanwhile, since the number of PRBs is some specific values (and is related to the number of CCs), the nearest value needs to be taken down for the number of PRBs calculated by a proportion.
Or, for receiving downlink data in a manner of shortening feedback time, another manner is that the UE directly reports the actual NAICS capabilities (one or more sets of { CC number, PRB number }) supported by the frequency segment combination a/b in the n +3 feedback, and the actual NAICS capabilities (one or more sets of { CC number, PRB number }) supported by the frequency segment combination a/b in the n +2 feedback.
Therefore, the method for NAICS parameter configuration according to the embodiment can obtain the actual NAICS capability when receiving downlink data in different ways, and further accurately configure the NAICS parameters for the user equipment, thereby avoiding extra signaling overhead and ensuring the high efficiency of NAICS parameter configuration.
An embodiment of the present invention further provides a NAICS parameter configuration device, as shown in fig. 7, including:
a receiving unit, configured to receive an NAICS capability ratio parameter or an actual NAICS capability reported when a user equipment receives downlink data in a manner of shortening a transmission time interval or shortening feedback time;
a configuration unit, configured to configure the NAICS parameter for the user equipment according to the NAICS capability proportion parameter or the actual NAICS capability.
Optionally, as shown in fig. 8, the configuration unit includes:
the second calculation module is used for calculating the actual NAICS capability according to the proportion parameters;
a configuration module for configuring the NAICS capability parameter according to the actual NAICS capability.
Optionally, the second calculating module is configured to calculate the actual NAICS capability according to the following formula:
P2＝S*P1；
wherein, P1For normal NAICS capability, P2For the actual NAICS capability, S is the NAICS capability ratio parameter.
Optionally, when the NAICS capability is the number of component carriers that the UE can perform NAICS processing, and the maximum aggregation bandwidth (number of physical resource blocks) in the component carriers, that is, the normal NAICS capability P1When the number is { CC number, PRB number }, and the proportional parameter is S, the second calculation module calculates the value according to P2＝S*P1The actual NAICS capability is calculated to be CC number,
}；
wherein,
indicating a rounding down.
The apparatus of this embodiment may be configured to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
The embodiment of the invention also provides a base station, which comprises the NAICS parameter configuration device.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (14)
1. A NAICS capability reporting method is characterized by comprising the following steps:
when the user equipment supports the receiving of downlink data in a mode of shortening transmission time intervals or shortening feedback time, determining a NAICS (network access control system) capability proportion parameter, wherein the NAICS capability proportion parameter represents the ratio of NAICS capability when the downlink data is received in a mode of shortening transmission time intervals or shortening feedback time relative to NAICS capability when the downlink data is received in a mode of shortening normal transmission time intervals and normal feedback time;
and reporting the NAICS capability proportion parameter to a base station so that the base station configures the NAICS parameter for the user equipment according to the NAICS capability proportion parameter.
2. The method of claim 1, wherein said determining the NAICS capability scaling parameter comprises:
receiving normal NAICS capability when receiving downlink data in a mode of normal transmission time interval and normal feedback time;
acquiring the actual NAICS capability when receiving downlink data in a mode of shortening the transmission time interval or shortening the feedback time;
and calculating the NAICS capability proportion parameter according to the normal NAICS capability and the actual NAICS capability.
3. A device for reporting NAICS capability is characterized by comprising:
a determining unit, configured to determine a NAICS capability proportion parameter when receiving downlink data in a manner of shortening a transmission time interval or shortening a feedback time, the NAICS capability proportion parameter indicating a ratio of a NAICS capability when receiving downlink data in a manner of shortening the transmission time interval or shortening the feedback time with respect to a NAICS capability when receiving downlink data in a manner of shortening the normal transmission time interval and the normal feedback time;
and the reporting unit is used for reporting the NAICS capability proportion parameter to the base station so that the base station configures the NAICS parameter for the user equipment according to the NAICS capability proportion parameter.
4. The apparatus of claim 3, wherein the determining unit comprises:
a receiving module, configured to receive a normal NAICS capability when receiving downlink data in a normal transmission time interval and normal feedback time manner;
an obtaining module, configured to obtain an actual NAICS capability when downlink data is received in a manner of shortening a transmission time interval or shortening a feedback time;
and the first calculation module is used for calculating the NAICS capability proportion parameter according to the normal NAICS capability and the actual NAICS capability.
5. A UE, characterized in that the UE comprises the NAICS capability reporting device of any claim from 3 to 4.
6. A NAICS parameter configuration method, characterized in that the method comprises:
receiving an NAICS capability proportion parameter reported by user equipment when receiving downlink data in a mode of shortening a transmission time interval or shortening feedback time, wherein the NAICS capability proportion parameter represents a ratio of NAICS capability when receiving the downlink data in the mode of shortening the transmission time interval or shortening the feedback time relative to NAICS capability when receiving the downlink data in the mode of normal transmission time interval and normal feedback time;
and configuring NAICS parameters for the user equipment according to the NAICS capability proportion parameters.
7. The method of claim 6, wherein the configuring NAICS parameters for the user equipment according to the NAICS capability proportion parameter comprises:
calculating the actual NAICS capability according to the NAICS capability proportion parameter;
and configuring NAICS capability parameters according to the actual NAICS capability.
8. The method of claim 7, wherein said calculating the actual NAICS capability according to said NAICS capability proportion parameter comprises:
the actual NAICS capability is calculated according to the following formula:
P2＝S*P1；
wherein, P1For normal NAICS capability, P2For the actual NAICS capability, S is the NAICS capability ratio parameter.
9. The method of claim 8, wherein when the NAICS capability is the number of component carriers that the UE can perform NAICS processing, and the maximum aggregation bandwidth in the component carriers is the number of physical resource blocks, i.e. the normal NAICS capability P1Is { CC number, PRB number }, and the proportional parameter is S, then the actual NAICS capability P2Is composed of
Wherein,
indicating a rounding down.
10. An NAICS parameter configuration device, comprising:
a receiving unit, configured to receive an NAICS capability ratio parameter reported when a ue receives downlink data in a manner of shortening a transmission time interval or shortening a feedback time;
a configuration unit, configured to configure the NAICS parameter for the user equipment according to the NAICS capability proportion parameter.
11. The apparatus of claim 10, wherein the configuration unit comprises:
the second calculation module is used for calculating the actual NAICS capability according to the proportion parameters;
a configuration module for configuring the NAICS capability parameter according to the actual NAICS capability.
12. The apparatus of claim 11, wherein the second calculating module is configured to calculate the actual NAICS capability according to the following formula:
P2＝S*P1；
wherein, P1For normal NAICS capability, P2For the actual NAICS capability, S is the NAICS capability ratio parameter.
13. The apparatus of claim 12, wherein when the NAICS capability is the number of component carriers that the UE can perform NAICS processing, and the maximum aggregation bandwidth in the component carriers is the number of physical resource blocks, i.e. the normal NAICS capability P1When the number is { CC number, PRB number }, and the proportional parameter is S, the second calculation module calculates the value according to P2＝S*P1The actual NAICS capability is calculated to be
Wherein,
indicating a rounding down.
14. A base station, characterized in that it comprises means for configuring the NAICS parameters according to any one of claims 10 to 13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334082.7A CN108882265B (en) | 2017-05-12 | 2017-05-12 | NAICS capability reporting and NAICS parameter configuration method, device, user equipment and base station |
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| US9479298B2 (en) * | 2013-07-08 | 2016-10-25 | Intel IP Corporation | Demodulation reference signals (DMRS)for side information for interference cancellation |
| US9641310B2 (en) * | 2013-12-13 | 2017-05-02 | Qualcomm Incorporated | Network assisted interference cancellation signaling |
| CN104811916B (en) * | 2014-01-29 | 2018-10-02 | 上海诺基亚贝尔股份有限公司 | A method of being used for transmission network-assist information |
| CN105101251B (en) * | 2014-05-08 | 2019-02-05 | 中国移动通信集团公司 | A kind of method, apparatus, system and relevant device that network assistance interference is deleted |
| CN105101252A (en) * | 2014-05-08 | 2015-11-25 | 中国移动通信集团公司 | NAICS method, device, system and related equipment |
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