CN115988559A - Carrier dynamic transformation method and device and DSS base station - Google Patents

Carrier dynamic transformation method and device and DSS base station Download PDF

Info

Publication number
CN115988559A
CN115988559A CN202111197049.7A CN202111197049A CN115988559A CN 115988559 A CN115988559 A CN 115988559A CN 202111197049 A CN202111197049 A CN 202111197049A CN 115988559 A CN115988559 A CN 115988559A
Authority
CN
China
Prior art keywords
bandwidth
cqi
carrier
user terminal
mcs information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111197049.7A
Other languages
Chinese (zh)
Inventor
张志荣
李志军
李鹏
张新
谢伟良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Telecom Corp Ltd
Original Assignee
China Telecom Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Telecom Corp Ltd filed Critical China Telecom Corp Ltd
Priority to CN202111197049.7A priority Critical patent/CN115988559A/en
Publication of CN115988559A publication Critical patent/CN115988559A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

The disclosure provides a carrier dynamic transformation method and device and a DSS base station. The carrier dynamic transformation method comprises the following steps: receiving a first CQI (channel quality indicator) associated with an NR exclusive area and a second CQI associated with an NR and LTE mixed area reported by a user terminal; judging whether the user terminal is interfered by a CRS (neighbor cell radio service) of the LTE (long term evolution) according to the first CQI and the second CQI; if the user terminal is interfered by the adjacent LTE CRS, mapping first MCS information by using the first CQI, and mapping second MCS information by using the second CQI; setting the bandwidth of a main carrier as a preset bandwidth, and activating an auxiliary carrier, wherein the bandwidth of the auxiliary carrier is a variable bandwidth, and the bandwidth of the main carrier and the bandwidth of the auxiliary carrier are not overlapped; sending first notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and in the NR exclusive area, the bandwidth resources of the main carrier are scheduled based on the first MCS information, and the bandwidth resources of the auxiliary carrier are scheduled based on the second MCS information. The method and the device can effectively solve the problem that the downlink rate of the user terminal drops steeply.

Description

Carrier dynamic transformation method and device and DSS base station
Technical Field
The present disclosure relates to the field of communications, and in particular, to a method and an apparatus for dynamically changing carriers, and a DSS base station.
Background
DSS (Dynamic Spectrum Sharing) technology realizes 4G/5G Dynamic Spectrum Sharing, meets respective flow requirements of 4G/5G users on limited Spectrum resources, and provides optimal performance for 4G and 5G devices by utilizing instantaneous Dynamic distribution of Spectrum.
Disclosure of Invention
The inventor finds that, in a 40M bandwidth DSS (New Radio, new air interface) 40M/LTE (Long Term Evolution, 20M) external field test, when a location (for example, a middle point and a far point in a Cell) of an NR terminal is strongly interfered by a CRS (Cell Reference Signal) of a 4G LTE base station in the neighborhood, that is, when a DSS/NR overlap portion is severely interfered by the CRS of the LTE base station in the neighborhood, since a 40M DSS/NR downlink has only one set of MCS (Modulation and Coding Scheme, modulation and Coding strategy) parameters in the 40M bandwidth, a Block Error Rate (Block Error Rate) is deteriorated and the MCS is reduced, which finally causes a steep reduction of an NR downlink Rate, thereby seriously affecting 40M DSS network performance, capacity and NR user experience.
Accordingly, the dynamic carrier conversion scheme provided by the disclosure can effectively improve the NR downlink rate and user experience, improve the performance and capacity of the DSS network, improve the utilization rate of the DSS resources, reduce the operation and maintenance cost of the DSS and optimize the cost, and is beneficial to implementation and popularization of the DSS technical scheme.
According to a first aspect of the embodiments of the present disclosure, there is provided a carrier dynamic transformation method, executed by a carrier dynamic transformation apparatus, including: receiving a first CQI (channel quality indicator) which is reported by a user terminal and is associated with an NR exclusive area and a second CQI which is reported by the user terminal and is associated with an NR and LTE mixed area; judging whether the user terminal is interfered by a neighbor cell LTE CRS according to the first CQI and the second CQI; if the user terminal is interfered by an adjacent cell LTE CRS, mapping first MCS information by using the first CQI, and mapping second MCS information by using the second CQI; setting the bandwidth of a main carrier to be a preset bandwidth, and activating an auxiliary carrier, wherein the bandwidth of the auxiliary carrier is a variable bandwidth, and the bandwidth of the main carrier and the bandwidth of the auxiliary carrier are not overlapped; sending first notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and in the NR exclusive area, scheduling the bandwidth resource of the main carrier based on the first MCS information, and scheduling the bandwidth resource of the auxiliary carrier based on the second MCS information.
In some embodiments, if the user terminal is not interfered by a neighbor cell LTE CRS, mapping a third MCS information using the first CQI and the second CQI; setting the bandwidth of a main carrier to be a third preset bandwidth, and controlling an auxiliary carrier to enter a dormant state, wherein the third preset bandwidth is the sum of the preset bandwidth and the variable bandwidth, and the bandwidth of the main carrier and the bandwidth of the auxiliary carrier are overlapped; sending second notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and scheduling main carrier bandwidth resources in the NR exclusive area based on the third MCS information.
In some embodiments, the overlapping portion of the bandwidth of the primary carrier and the bandwidth of the secondary carrier is the variable bandwidth.
In some embodiments, mapping out third MCS information using the first CQI and the second CQI comprises: calculating a weighted sum of the first CQI and the second CQI; and mapping the third MCS information by using the weighted sum.
In some embodiments, determining whether the user terminal is interfered by a neighbor cell LTE CRS according to the first CQI and the second CQI includes: judging whether the absolute value of the difference between the first CQI and the second CQI is greater than a preset interference threshold or not; and if the absolute value of the difference between the first CQI and the second CQI is greater than a preset interference threshold, determining that the user terminal is interfered by a CRS (radio traffic control) of an adjacent cell.
In some embodiments, it is determined that the user terminal is not interfered by a neighboring cell LTE CRS if the absolute value of the difference between the first CQI and the second CQI is not greater than a preset interference threshold.
According to a second aspect of the embodiments of the present disclosure, there is provided a carrier dynamic transformation apparatus, including: the first processing module is configured to receive a first CQI associated with an NR exclusive area and a second CQI associated with an NR and LTE mixed area reported by a user terminal; the second processing module is configured to judge whether the user terminal is interfered by a neighbor cell LTE CRS according to the first CQI and the second CQI; a third processing module, configured to map a first MCS information by using the first CQI and a second MCS information by using the second CQI if the user terminal is interfered by a CRS of an adjacent cell; a fourth processing module, configured to set a bandwidth of a primary carrier to a preset bandwidth, and activate a secondary carrier, where the bandwidth of the secondary carrier is a variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the secondary carrier are not overlapped; sending first notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and in the NR exclusive area, scheduling the bandwidth resource of the main carrier based on the first MCS information, and scheduling the bandwidth resource of the auxiliary carrier based on the second MCS information.
In some embodiments, the third processing module is configured to map third MCS information with the first CQI and the second CQI if the user terminal is not interfered by a neighbor LTE CRS; the fourth processing module is configured to set a bandwidth of the primary carrier to a third preset bandwidth, and control the secondary carrier to enter a dormant state, where the third preset bandwidth is a sum of the preset bandwidth and the variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the secondary carrier are overlapped; sending second notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and scheduling main carrier bandwidth resources based on the third MCS information in the NR exclusive area.
In some embodiments, the overlapping portion of the bandwidth of the primary carrier and the bandwidth of the secondary carrier is the variable bandwidth.
In some embodiments, a third processing module is configured to calculate a weighted sum of the first CQI and the second CQI, with which the third MCS information is mapped out.
In some embodiments, the second processing module is configured to determine whether an absolute value of a difference between the first CQI and the second CQI is greater than a preset interference threshold, and determine that the user terminal is interfered by a neighboring cell LTE CRS if the absolute value of the difference between the first CQI and the second CQI is greater than the preset interference threshold.
In some embodiments, the second processing module is configured to determine that the user terminal is not interfered by neighboring LTE CRS if an absolute value of a difference between the first CQI and the second CQI is not greater than a preset interference threshold.
According to a third aspect of the embodiments of the present disclosure, there is provided a carrier dynamic conversion apparatus, including: a memory configured to store instructions; a processor coupled to the memory, the processor configured to perform a method implementing any of the embodiments described above based on instructions stored by the memory.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a DSS base station including the carrier dynamic transformation apparatus according to any one of the embodiments described above.
According to a fifth aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, in which computer instructions are stored, and when executed by a processor, the computer-readable storage medium implements the method according to any one of the embodiments described above.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a diagram of DSS frequency bands according to an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a method for dynamically transforming a carrier according to an embodiment of the disclosure;
fig. 3 is a carrier wave diagram of an embodiment of the present disclosure;
fig. 4 is a flowchart illustrating a method for dynamically changing carriers according to another embodiment of the disclosure;
fig. 5 is a carrier wave diagram of another embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a carrier dynamic transformation apparatus according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a carrier dynamic transformation apparatus according to another embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a DSS base station according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1, a reference numeral 1 is NR PDCCH (Physical Downlink Control Channel) 1, a reference numeral 2 is LTE CRS, and a reference numeral 3 is LTE PDCCH. In the NR/LTE hybrid part (xM bandwidth part in fig. 1), the NR terminal downlink rate drops steeply due to CRS interference.
In order to solve the above problem, the present disclosure provides a carrier dynamic conversion scheme.
Fig. 2 is a flowchart illustrating a carrier dynamic transformation method according to an embodiment of the disclosure. In some embodiments, the following carrier dynamics transformation method is performed by a carrier dynamics transformation apparatus in a DSS base station.
In step 201, a first CQI (Channel Quality Indicator) associated with an NR exclusive zone and a second CQI associated with an NR and LTE mixed zone reported by a user terminal are received.
In step 202, whether the user terminal is interfered by a neighboring cell LTE CRS is judged according to the first CQI and the second CQI.
In some embodiments, the determining step is performed by determining whether an absolute value of a difference between the first CQI and the second CQI is greater than a predetermined interference threshold. And if the absolute value of the difference between the first CQI and the second CQI is greater than a preset interference Threshold, namely | CQI1-CQI2| is greater than Threshold _ CRS, determining that the user terminal is interfered by the CRS of the neighboring cell LTE.
And if the absolute value of the difference between the first CQI and the second CQI is not greater than the preset interference threshold, determining that the user terminal is not interfered by the CRS of the adjacent cell LTE.
In step 203, if the user terminal is interfered by the CRS of the neighboring cell LTE, the first MCS information is mapped by using the first CQI, and the second MCS information is mapped by using the second CQI.
In step 204, the bandwidth of the primary carrier is set to a preset bandwidth, and the secondary carrier is activated, where the bandwidth of the secondary carrier is a variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the secondary carrier are not overlapped.
For example, the preset bandwidth is 20M, and the variable bandwidth of the secondary carrier is xM. The primary and secondary carriers are shown in fig. 3.
In step 205, first notification information is sent to the ue so that the ue can know the change of the primary carrier.
For example, the first notification Information is transmitted to the user terminal by using DCI (Downlink Control Information).
In the NR exclusive area, the primary carrier bandwidth resource is scheduled based on the first MCS information, and the secondary carrier bandwidth resource is scheduled based on the second MCS information in step 206.
Fig. 4 is a flowchart illustrating a carrier dynamic transformation method according to an embodiment of the disclosure. In some embodiments, the following carrier dynamics transformation method is performed by a carrier dynamics transformation apparatus in a DSS base station.
In step 401, a first CQI related to an NR exclusive region and a second CQI related to an NR and LTE mixed region reported by a user terminal are received.
In step 402, whether the user terminal is interfered by a neighbor cell LTE CRS is judged according to the first CQI and the second CQI.
In step 403, if the user terminal is not interfered by the CRS of the neighboring cell LTE, the third MCS information is mapped by using the first CQI and the second CQI.
In some embodiments, the weighted sum of the first CQI and the second CQI is first calculated, and the third MCS information is then mapped using the weighted sum.
For example, the weighted sum is a × CQI1+ B × CQI2. Wherein A, B is the weighted value, CQI1 is the first CQI, and CQI2 is the second CQI. For example, A, B takes 0.5.
In step 404, the bandwidth of the primary carrier is set to a third preset bandwidth, and the secondary carrier is controlled to enter the sleep state, where the third preset bandwidth is the sum of the preset bandwidth and the variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the secondary carrier are overlapped.
In some embodiments, the overlapping portion of the bandwidth of the primary carrier and the bandwidth of the secondary carrier is a variable bandwidth.
For example, the preset bandwidth is 20M, and the variable bandwidth of the secondary carrier is xM. The primary and secondary carriers are shown in fig. 5.
In step 405, second notification information is sent to the ue so that the ue can know the change of the primary carrier.
For example, the second notification information is transmitted to the user terminal by using DCI.
In the NR exclusive region, the primary carrier bandwidth resource is scheduled based on the third MCS information in step 406.
Fig. 6 is a schematic structural diagram of a carrier dynamic transformation apparatus according to an embodiment of the present disclosure. As shown in fig. 6, the carrier dynamics transformation apparatus includes a first processing module 61, a second processing module 62, a third processing module 63, and a fourth processing module 64.
The first processing module 61 is configured to receive a first CQI associated with an NR exclusive region and a second CQI associated with an NR and LTE mixed region reported by a user terminal.
The second processing module 62 is configured to determine whether the user terminal is interfered by a neighboring cell LTE CRS according to the first CQI and the second CQI.
In some embodiments, the second processing module 62 determines whether an absolute value of a difference between the first CQI and the second CQI is greater than a preset interference threshold, and determines that the user terminal is interfered by the neighboring cell LTE CRS if the absolute value of the difference between the first CQI and the second CQI is greater than the preset interference threshold.
The second processing module 62 is configured to determine that the user terminal is not interfered by the neighboring cell LTE CRS if the absolute value of the difference between the first CQI and the second CQI is not greater than a preset interference threshold.
The third processing module 63 is configured to map the first MCS information with the first CQI and map the second MCS information with the second CQI if the user terminal is interfered by the neighboring cell LTE CRS.
The fourth processing module 64 is configured to set the bandwidth of the primary carrier to a preset bandwidth, and activate the secondary carrier, where the bandwidth of the secondary carrier is a variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the secondary carrier are not overlapped; sending first notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and in the NR exclusive area, scheduling the bandwidth resources of the main carrier based on the first MCS information, and scheduling the bandwidth resources of the auxiliary carrier based on the second MCS information.
In some embodiments, the third processing module 63 is configured to map the third MCS information by using the first CQI and the second CQI if the user terminal is not interfered by a neighboring cell LTE CRS.
In some embodiments, the third processing module is configured to calculate a weighted sum of the first CQI and the second CQI, and map the third MCS information using the weighted sum.
The fourth processing module 64 is configured to set the bandwidth of the primary carrier to a third preset bandwidth, and control the secondary carrier to enter the dormant state, where the third preset bandwidth is a sum of the preset bandwidth and the variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the secondary carrier are overlapped; sending second notification information to the user terminal so that the user terminal can know the change situation of the main carrier; in the NR exclusive region, the main carrier bandwidth resource is scheduled based on the third MCS information.
In some embodiments, the overlapping portion of the bandwidth of the primary carrier and the bandwidth of the secondary carrier is a variable bandwidth.
Fig. 7 is a schematic structural diagram of a carrier dynamic transformation apparatus according to another embodiment of the present disclosure. As shown in fig. 7, the carrier dynamics transformation apparatus includes a memory 71 and a processor 72.
The memory 71 is used for storing instructions, the processor 72 is coupled to the memory 71, and the processor 72 is configured to execute the method according to any one of the embodiments in fig. 2 or fig. 4 based on the instructions stored in the memory.
As shown in fig. 7, the carrier dynamics transformation apparatus further includes a communication interface 73 for exchanging information with other devices. Meanwhile, the carrier dynamic conversion device further comprises a bus 74, and the processor 72, the communication interface 73 and the memory 71 are communicated with each other through the bus 74.
The memory 71 may comprise a high-speed RAM memory, and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 71 may also be a memory array. The storage 71 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.
Further, the processor 72 may be a central processing unit CPU, or may be an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement embodiments of the present disclosure.
The present disclosure also relates to a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the instructions, when executed by a processor, implement a method according to any one of the embodiments shown in fig. 2 or fig. 4.
Fig. 8 is a schematic structural diagram of a DSS base station according to an embodiment of the present disclosure. As shown in fig. 8, DSS base station 81 includes a carrier dynamics conversion device 82. The carrier dynamics conversion device 82 is the carrier dynamics conversion device shown in any one of fig. 6 and 7.
Through implementing this disclosed above-mentioned scheme, following beneficial effect that can:
1. the method effectively solves the problem of steep drop of the downlink rate of the 40M NR terminal in the 40M bandwidth DSS (NR 40M/LTE 20M) technical scheme, and has stronger pertinence to the implementation and construction of the current 40M DSS network;
2. the method greatly improves the reliability and completeness of the 40M DSS technical scheme, shortens the network construction period, and reduces the network construction and operation and maintenance costs;
3. although the method and the device use different MCS levels for transmission, the method and the device are similar to the traditional CA, the change is less, the realization complexity is low, and the system realization and the scheme popularization are easy.
In some embodiments, the functional units described above can be implemented as general purpose processors, programmable Logic Controllers (PLCs), digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other Programmable Logic devices, discrete Gate or transistor Logic devices, discrete hardware components, or any suitable combination thereof for performing the functions described in this disclosure.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (15)

1. A carrier dynamics transformation method, performed by a carrier dynamics transformation apparatus, comprising:
receiving a first CQI (channel quality indicator) associated with an NR exclusive area and a second CQI associated with an NR and LTE mixed area reported by a user terminal;
judging whether the user terminal is interfered by a CRS (neighbor cell radio service) of the LTE (long term evolution) according to the first CQI and the second CQI;
if the user terminal is interfered by a neighboring cell LTE CRS, mapping first MCS information by using the first CQI, and mapping second MCS information by using the second CQI;
setting the bandwidth of a main carrier to be a preset bandwidth, and activating an auxiliary carrier, wherein the bandwidth of the auxiliary carrier is a variable bandwidth, and the bandwidth of the main carrier and the bandwidth of the auxiliary carrier are not overlapped;
sending first notification information to the user terminal so that the user terminal can know the change condition of the main carrier;
and in the NR exclusive area, scheduling the bandwidth resource of the main carrier based on the first MCS information, and scheduling the bandwidth resource of the auxiliary carrier based on the second MCS information.
2. The method of claim 1, further comprising:
if the user terminal is not interfered by a neighboring cell LTE CRS, mapping third MCS information by using the first CQI and the second CQI;
setting the bandwidth of a main carrier to be a third preset bandwidth, and controlling an auxiliary carrier to enter a dormant state, wherein the third preset bandwidth is the sum of the preset bandwidth and the variable bandwidth, and the bandwidth of the main carrier and the bandwidth of the auxiliary carrier are overlapped;
sending second notification information to the user terminal so that the user terminal can know the change condition of the main carrier;
and scheduling main carrier bandwidth resources based on the third MCS information in the NR exclusive area.
3. The method of claim 2, wherein,
and the overlapping part of the bandwidth of the main carrier and the bandwidth of the auxiliary carrier is the variable bandwidth.
4. The method of claim 2, wherein mapping third MCS information with the first CQI and the second CQI comprises:
calculating a weighted sum of the first CQI and the second CQI;
and mapping the third MCS information by using the weighted sum.
5. The method according to any one of claims 1-4, wherein determining whether the user terminal is interfered by a neighbor LTE CRS according to the first CQI and the second CQI comprises:
judging whether the absolute value of the difference between the first CQI and the second CQI is greater than a preset interference threshold or not;
and if the absolute value of the difference between the first CQI and the second CQI is greater than a preset interference threshold, determining that the user terminal is interfered by a CRS (radio traffic control) of an adjacent cell.
6. The method of claim 5, further comprising:
and if the absolute value of the difference between the first CQI and the second CQI is not greater than a preset interference threshold, determining that the user terminal is not interfered by the CRS of the adjacent cell.
7. A carrier dynamics conversion apparatus, comprising:
the first processing module is configured to receive a first CQI associated with an NR exclusive area and a second CQI associated with an NR and LTE mixed area reported by a user terminal;
the second processing module is configured to judge whether the user terminal is interfered by a neighboring cell LTE CRS according to the first CQI and the second CQI;
a third processing module, configured to map first MCS information by using the first CQI and map second MCS information by using the second CQI if the user terminal is interfered by a neighbor LTE CRS;
the fourth processing module is configured to set a bandwidth of a primary carrier to a preset bandwidth and activate an auxiliary carrier, wherein the bandwidth of the auxiliary carrier is a variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the auxiliary carrier are not overlapped; sending first notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and in the NR exclusive area, scheduling the bandwidth resource of the main carrier based on the first MCS information, and scheduling the bandwidth resource of the auxiliary carrier based on the second MCS information.
8. The apparatus of claim 7, wherein,
the third processing module is configured to map third MCS information by using the first CQI and the second CQI if the user terminal is not interfered by a neighbor cell LTE CRS;
the fourth processing module is configured to set a bandwidth of the primary carrier to a third preset bandwidth, and control the secondary carrier to enter a dormant state, where the third preset bandwidth is a sum of the preset bandwidth and the variable bandwidth, and the bandwidth of the primary carrier and the bandwidth of the secondary carrier are overlapped; sending second notification information to the user terminal so that the user terminal can know the change condition of the main carrier; and scheduling main carrier bandwidth resources based on the third MCS information in the NR exclusive area.
9. The apparatus of claim 8, wherein,
and the overlapping part of the bandwidth of the main carrier and the bandwidth of the auxiliary carrier is the variable bandwidth.
10. The apparatus of claim 8, wherein,
a third processing module is configured to calculate a weighted sum of the first CQI and the second CQI, with which the third MCS information is mapped out.
11. The apparatus of any one of claims 7-10,
the second processing module is configured to determine whether an absolute value of a difference between the first CQI and the second CQI is greater than a preset interference threshold, and determine that the user terminal is interfered by a neighboring cell LTE CRS if the absolute value of the difference between the first CQI and the second CQI is greater than the preset interference threshold.
12. The apparatus of claim 11, wherein,
the second processing module is configured to determine that the user terminal is not interfered by a neighbor cell LTE CRS if an absolute value of a difference between the first CQI and the second CQI is not greater than a preset interference threshold.
13. A carrier dynamics conversion apparatus, comprising:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to perform implementing the method of any of claims 1-6 based on instructions stored by the memory.
14. A DSS base station comprising the carrier dynamics transformation apparatus of any one of claims 7-13.
15. A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions which, when executed by a processor, implement the method of any one of claims 1-6.
CN202111197049.7A 2021-10-14 2021-10-14 Carrier dynamic transformation method and device and DSS base station Pending CN115988559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111197049.7A CN115988559A (en) 2021-10-14 2021-10-14 Carrier dynamic transformation method and device and DSS base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111197049.7A CN115988559A (en) 2021-10-14 2021-10-14 Carrier dynamic transformation method and device and DSS base station

Publications (1)

Publication Number Publication Date
CN115988559A true CN115988559A (en) 2023-04-18

Family

ID=85972582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111197049.7A Pending CN115988559A (en) 2021-10-14 2021-10-14 Carrier dynamic transformation method and device and DSS base station

Country Status (1)

Country Link
CN (1) CN115988559A (en)

Similar Documents

Publication Publication Date Title
US11575462B2 (en) Method and apparatus for determining transport block size
US9100923B2 (en) Radio base station and communication control method
CN110139325B (en) Network parameter tuning method and device
US8971952B2 (en) Radio base station and communication control method
WO2019051782A1 (en) Method and device for selecting resources
EP4304236A1 (en) Frequency band scheduling method, communication node, and computer-readable storage medium
CN111356220B (en) Power control method and device
CN104104472A (en) Method for ensuring channel continuity after precoding, base station, and user equipment (UE)
US9026166B2 (en) Radio base station and communication control method
CN104170439A (en) Connected state access method, connected state device and connected state apparatus
CN110192416A (en) A kind of resource allocation method and device for coverage enhancement
CN115988559A (en) Carrier dynamic transformation method and device and DSS base station
CN103856311A (en) Method and equipment for activating carrier waves
US20230062005A1 (en) Method and device for transmitting control information
US20230071462A1 (en) Control information communication method and device
CN114641005A (en) Network resource management method and device for dynamic spectrum sharing
AU2018412968A1 (en) Method for carrier selection in Internet of vehicles, and terminal device
CN112583519B (en) Link self-adaptive adjustment method, device, server and storage medium
CN109121169A (en) A kind of system information sending method, method of reseptance, base station and mobile communication terminal
CN111565409B (en) Noise power calculation method and device
CN113225765B (en) Dual-connection main path switching method and device
CN109076462B (en) Coverage extension for wireless devices
CN106879061B (en) A kind of method and apparatus carrying out interference coordination
CN112825591B (en) Time domain resource scheduling method, terminal, base station, communication network and storage medium
CN111954292B (en) Resource allocation method and device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination