WO2012006841A1 - Method and apparatus for reconfigurating parameters in wireless communication systems - Google Patents

Abstract

A method for reconfigurating parameters in wireless communication systems is disclosed in the present invention. The method includes the following steps: when it is detected that the cell load of a base station is higher than a threshold, the base station first reconfigurates first level parameters for the cell; in the case that the base station detects that the cell load is still higher than the threshold, the base station reconfigurates second level parameters for the cell; the first level parameters have smaller impact on the stability of wireless communication systems and the second level parameters have greater impact on the stability of wireless communication systems. An apparatus for reconfigurating parameters in wireless communication systems is also disclosed in the present invention. In the present invention, the principle of parameter reconfiguration is that the impact on the stability of wireless communication systems should be as small as possible, which guarantees stability of systems and enables parameter reconfiguration in wireless communication systems to be easily implemented.

Description

 Method and device for parameter reconfiguration in wireless communication system

 The present invention relates to a reconfiguration technique for a wireless communication system, and more particularly to a method and apparatus for parameter reconfiguration in a wireless communication system. Background technique

 Spectrum resources are the basic medium for communication. Due to limited spectrum, people want to maximize spectrum utilization. The spectrum and load switching between the base stations in the existing communication network are almost non-existent, and there is almost no cooperative operation with each other, which results in relatively solid use of the spectrum, is not flexible enough, and reduces the spectrum utilization rate. Some base stations have relatively low spectrum load, and some The base station has a heavy spectrum load, but due to the lack of interaction and cooperation between the base stations, dynamic allocation of flexible spectrum cannot be achieved. In order to solve this problem, a reconfigurable wireless communication system (RRS) is proposed. The reconfigurable wireless communication system automatically completes according to the current wireless environment, the current number of users, the current user's service requirements, and interference status. Reconfigure itself and optimize its configuration. Through the automatic reconfiguration of the wireless communication system, the wireless resources, users and resources are flexibly allocated among different base stations, so that the utilization of radio resources, power resources, and realized resources is improved as much as possible.

 At present, for the reconfiguration of wireless communication systems, no specific implementation schemes have been proposed, only a general description, and the influence of parameter configuration on system stability is not considered in the process of reconfiguring parameters. Summary of the invention

In view of this, the main object of the present invention is to provide a method and apparatus for parameter reconfiguration in a wireless communication system, which can take into account the influence of the stability of the parameter re-pairing system and make the wireless communication The parameter reconfiguration of the letter system is easy to implement.

 In order to achieve the above object, the technical solution of the present invention is achieved as follows:

 The present invention provides a method for parameter reconfiguration in a wireless communication system, the method comprising: the base station detecting that the cell load of the cell is higher than a preset threshold, and performing reconfiguration of the primary parameter on the cell; After the reconfiguration, the base station detects whether the cell load is still higher than the threshold. If yes, the base station performs reconfiguration of the secondary parameters on the cell, otherwise the parameter reconfiguration is ended; The primary parameter includes a bandwidth of the cell, a coverage parameter, and a communication mode parameter of each user of the subordinate; the secondary parameter includes a communication mode parameter of each cell of the base station.

 In the above solution, the base station performs reconfiguration of the primary parameter on the cell, including: the base station according to the acquired co-located base station, the available bandwidth parameter, the coverage parameter, and the communication mode parameter, The available bandwidth bandwidth parameter, the coverage parameter and the communication mode parameter of the neighboring base station, and the communication mode parameter of each user, reconfigure the air interface parameters of some users of the cell, and switch the part of the user to the co-site Address base stations and/or neighboring base stations.

 In the above solution, the base station performs reconfiguration of the primary parameter on the self or the cell, and the method further includes: the base station according to the acquired coverage parameter of the base station of the self-co-site and the available bandwidth parameter, and the neighboring The coverage parameter and the available bandwidth parameter of the base station, re-allocating the coverage parameter of the cell, and reducing the coverage of the cell.

 In the above solution, the base station performs reconfiguration of the primary parameter on the self or the cell, and further includes: the base station according to the acquired transmittable bandwidth parameter of the base station and the available bandwidth of the neighboring base station. a parameter, and an allowable bandwidth parameter of each base station having the same spectrum range as itself, reconfiguring a bandwidth parameter of the cell, to the co-site base station, and/or a neighboring base station, and/or a spectrum range identical to itself One or more of the base stations borrow bandwidth.

In the above solution, the reconfiguration of the secondary parameters by the base station to the self or the cell includes: the base station according to the statistics of the communication mode parameters of each user in the cell, and the geographic The location parameter selects one or more users supporting the same communication mode, creates one or more cells for the selected user, and configures communication mode parameters and attribute parameters of the created cell.

 The present invention also provides an apparatus for implementing parameter reconfiguration in a wireless communication system, the apparatus comprising: a detecting unit, a first reconfiguration unit, and a second reconfiguration unit, wherein the detecting unit is configured to detect a cell load of the base station Whether the threshold value is higher than the threshold value, and when the cell load is detected to be higher than the threshold value for the first time, the first reconfiguration unit is started; and is further configured to complete the weight of the first level parameter in the first reconfiguration unit After the matching, detecting whether the cell load is still higher than a threshold, and starting the second reconfiguration unit when detecting that the cell load is higher than a threshold; the first reconfiguration unit, configured to The cell performs reconfiguration of the primary parameter; the second reconfiguration unit is configured to perform reconfiguration of the secondary parameter on the cell; where the primary parameter includes bandwidth, coverage parameters, and subordinates of the cell The communication mode parameter of each user; the secondary parameter includes a communication mode parameter of each cell of the base station.

 In the above solution, the first reconfiguration unit includes an acquisition module, a first reconfiguration module, and a handover module, where the acquisition module is configured to acquire a transmittable bandwidth parameter and a coverage range of the co-site base station of the base station. a parameter and a communication mode parameter, the obtainable bandwidth parameter, the coverage parameter, and the communication mode parameter of the neighboring base station, and the communication mode parameter of each user in the cell; the first reconfiguration module, configured to acquire the module according to the The obtainable bandwidth parameter, the coverage parameter and the communication mode parameter of the base station of the base station, the reachable bandwidth parameter of the neighboring base station, the coverage parameter and the communication mode parameter, and the users of the subordinate users of the cell a communication mode parameter, reconfiguring an air interface parameter of a part of the user of the cell; and a handover module, configured to switch a part of the user reconfigured by the first reconfiguration module to the co-site base station and/or a neighboring base station.

In the above solution, the first reconfiguration unit further includes a second reconfiguration module, where the second reconfiguration module is configured to send, according to the base station, the base station of the base station The bandwidth parameter and the coverage parameter, and the allowable bandwidth parameter and the coverage parameter of the neighboring base station, re-allocate the coverage parameter of the cell, and reduce the coverage of the cell. In the above solution, the first reconfiguration unit further includes a third reconfiguration module, where the acquiring module is further configured to acquire a transferable bandwidth parameter of each base station whose spectrum range is the same as the base station; a re-matching module, configured to obtain, according to the acquireable module, the available bandwidth parameter of the base station, the allowable bandwidth parameter of the neighboring base station, and the available bandwidth of each base station with the same spectrum range as the base station Parameter, reassigning the allowable bandwidth parameter of the cell, borrowing bandwidth from the co-site base station, and/or the neighboring base station, and/or one or more base stations of the same base station as the spectrum range .

 In the above solution, the second reconfiguration unit includes a statistics module, a selection module, and a creation module, where the statistics module is configured to collect communication mode parameters and geographic location parameters of each user in the cell; And selecting one or more users adjacent to each other and supporting the same communication mode according to the communication mode parameter and the geographic location parameter of each user in the cell, according to the statistics module; creating a module, according to The communication mode parameter and the geographic location parameter of the one or more users selected by the selection module create one or more cells for the user, and configure communication mode parameters and attribute parameters of the created cells.

 The invention divides the parameters of the wireless communication system into a first-level parameter that has less impact on the stability of the wireless communication system, and a secondary parameter that has a greater impact on the stability of the wireless communication system, and detects that there is a base station subordinate When the cell load is higher than the threshold, according to the influence on the stability of the system, the first-level parameter is re-allocated first. Then, if the cell load is still higher than the threshold, the secondary parameter is re-allocated. During the reconfiguration of parameters of the wireless communication system, the stability of the system is ensured, and the parameter reconfiguration of the wireless communication system is facilitated. DRAWINGS

 1 is a flowchart of implementing a parameter reconfiguration method in a wireless communication system according to the present invention; FIG. 1 is a schematic structural diagram of a device for implementing parameter reconfiguration in a wireless communication system according to the present invention;

3 is a flowchart of an implementation of an embodiment of the present invention; 4 is a schematic diagram of a base station A switching a part of a user of a GSM cell to a common station base station B; FIG. 5 is a flowchart of an implementation of another embodiment of the present invention;

 6 is a schematic diagram of a base station A switching a part of a user of a GSM cell to a neighboring base station C; FIG. 7 is a schematic diagram of adjusting a coverage range of a GSM cell of the base station A;

 FIG. 8 is a schematic diagram of base station A creating a UMTS cell. detailed description

 The basic idea of the present invention is to reconfigure parameters in a reconfigurable wireless communication system in order of small to large order in order to ensure that the system is as stable as possible during the parameter reconfiguration process.

 The method for parameter reconfiguration in a wireless communication system of the present invention is applied to a reconfigurable wireless communication system, and the reconfiguration of parameters has the principle of minimizing the influence on the stability of the wireless communication system, as shown in FIG. It mainly includes the following steps:

 Step 101: The base station detects that the cell load of the cell is higher than a preset threshold, and performs reconfiguration of the primary parameter on the cell.

 Step 102-103: After performing reconfiguration, the base station detects whether the cell load is still higher than the threshold, and if yes, the base station performs reconfiguration of the secondary parameter on the cell, otherwise, the parameter ends. Rematch.

 The first-level parameter is a parameter that is re-matched to the wireless communication system with less stability impact, including the bandwidth of the cell, the coverage parameter, and the communication mode parameter of each subordinate user; the secondary parameter is re-pairing The parameter with a large impact on system stability includes a communication mode parameter of each cell of the base station.

The reconfiguration of the primary node by the base station includes: the base station according to the acquired transmittable bandwidth parameter of the base station, the coverage parameter, the communication mode parameter, and the available bandwidth of the neighboring base station. a parameter, a coverage parameter, and a communication mode parameter, and a communication mode parameter of each user in the cell obtained by a statistical manner, reconfiguring the part of the cell Dividing the user's air interface parameters and switching the partial users to the co-site base station and/or neighboring base stations.

 The allowable bandwidth parameter indicates the bandwidth that the base station subordinate cell can give out after satisfying its expected service quality.

 Here, the air interface parameter specifically includes a communication mode parameter, such as GSM, CDMA, etc., and the part of the users are one or more users of the users subordinate to the cell that can support the reconfigured communication mode.

 The base station performing the reconfiguration of the primary parameter on the cell may further include: the base station adopting the co-site address according to the acquired transmittable bandwidth parameter and the coverage parameter of the base station and the neighboring base station The base station and/or the neighboring base station negotiates, reconfigures the coverage parameter of the cell, and reduces the coverage of the cell, and the base station and/or the neighboring base station also reconfigures the coverage parameter of the subordinate cell. , correspondingly expand the coverage of its subordinate communities.

 Here, the coverage parameter may specifically include parameters such as a transmit power of a base station. In general, the smaller the transmit power parameter of the cell, the smaller its coverage.

The base station reduces the coverage of the cell, and the base station and/or the neighboring base station expands the coverage of the subordinate cell, including: the base station to the co-site base station and/or phase The neighboring base station sends a coverage adjustment request, where the coverage adjustment request includes information about a current load of the cell, coverage information that needs to be reduced, information of a user that needs to be handed over, and the base station and/or the neighboring base station receives the information. Receiving the coverage adjustment request, returning to the base station, current information of the subordinate cell that can accommodate the user, and coverage information that can be expanded, and determining whether the coverage of the subordinate cell can be expanded, and if yes, according to the Covering the range adjustment request, re-allocating the transmission power of the subordinate cell, and the like, and expanding the coverage of the subordinate cell; otherwise, not expanding the coverage of the subordinate cell; the base station according to the co-site base station and/or adjacent The information returned by the base station that can accommodate the user, the coverage information that can be expanded, and the judgment If the coverage of the cell can be reduced, and if it is, then the reconfiguration small The parameters such as the transmit power of the area reduce the coverage of the cell, otherwise, the coverage of the cell is not reduced.

 The coverage information that needs to be reduced included in the coverage adjustment request, the information of the user that needs to be handed over, and the information that can be accommodated by the base station and/or the neighboring base station can be expanded. When the coverage information matches, the base station, and the co-site base station and/or the neighboring base station determine that the coverage can be reduced or expanded.

 The base station performing reconfiguration of the primary parameter on the cell may further include: the base station according to the acquired self-addressed base station, the neighboring base station, and the allowable bandwidth parameter of each base station whose spectrum range is the same as itself The base station, and/or the neighboring base station, and/or one or more base stations of the same base station having the same spectrum range borrowing bandwidth, reconfiguring the available bandwidth of the cell, specifically, the base station according to The obtained co-located base station, the neighboring base station, and the allowable bandwidth parameters of each base station whose spectrum range is the same as itself, after determining that the bandwidth can be borrowed, sending a borrowing bandwidth request to the joint radio resource manager, and the joint radio resource manager receiving station Deriving a bandwidth request, notifying one or more of the base stations to re-allocate the transferable bandwidth parameter of the subordinate cell according to the current available bandwidth parameter and the load condition of each of the base stations, and notifying the base station to reconfigure the cell The allowable bandwidth parameter, borrowing the bandwidth of one or more base stations to the cell, increasing Add the bandwidth of the cell.

 The joint radio resource manager borrows bandwidth from the base station that has the bandwidth parameter greater than or equal to the preset threshold value to the cell of the base station, and may specifically be based on the duration that the base station can sell the bandwidth. Select the base station to borrow bandwidth. It is generally preferred to borrow bandwidth from a base station that has a longer bandwidth and a longer duration.

Here, the joint radio resource manager is responsible for coordinating allocation of bandwidth to a plurality of base stations. The borrowed bandwidth request sent by the base station A to the joint radio resource manager includes a transferable bandwidth parameter indicating that the borrowing needs to be borrowed, a transferable bandwidth parameter of the co-located base station, and an allowable bandwidth of the neighboring base station. The parameter and the allowable bandwidth parameter of each base station whose spectrum range is the same as itself.

 The re-provisioning of the secondary parameters by the base station to the cell includes: the base station selecting one or more supporting the same communication mode according to a communication mode parameter supported by each user in the cell and a geographic location parameter of each user. The user creates one or more cells for the selected one or more users, and configures communication mode parameters and attribute parameters of the created cell.

 Specifically, the base station collects communication mode parameters and geographic location parameters of each user in the cell, and selects one or more capable of supporting the same communication mode according to the communication mode parameter and the geographic location parameter of each user. The user creates one or more cells for the selected one or more users.

 The attribute parameters of the created cell may include parameters such as bandwidth, carrier frequency, transmit power, and duplex mode of the cell.

 In the configuration, the created cell needs to configure the spectrum utilization better than the communication mode of the cell, and the user covered by the cell needs to support the communication mode.

 Specifically, the base station downloads and creates a wireless communication protocol stack required by the one or more cells from a database in the wireless communication system, and performs installation on the downloaded wireless communication protocol stack, and then sets the existing network planning technology. And configuring corresponding air interface parameters to complete creation of the one or more cells. Wherein, if the base station has saved the wireless communication protocol stack required to create the one or more cells, the installation may be directly performed.

The present invention also provides a device for implementing parameter reconfiguration in a wireless communication system. Referring to FIG. 2, the device mainly includes: a detecting unit 21, a first weight a matching unit 22 and a second reconfiguration unit 23, wherein the detecting unit 21 is configured to detect whether a cell load of the base station is higher than a threshold, and start the foregoing when the cell load is detected to be higher than a threshold for the first time. The first reconfiguration unit 22 is further configured to: after the first reconfiguration unit 22 completes the reconfiguration of the primary parameter, detect whether the load of the cell is still higher than a threshold, and detect the When the load of the cell is higher than the threshold, the second reconfiguration unit 23 is activated, where When the load of the cell is not higher than the threshold, the second reconfiguration unit 23 is not activated; the first reconfiguration unit 22 is configured to perform reconfiguration of the primary parameter on the cell; The matching unit 23 is configured to perform reconfiguration of the secondary parameters on the cell.

 Here, the primary parameter includes a bandwidth of the cell, a coverage parameter, and a communication mode parameter of each subordinate user; the secondary parameter includes a communication mode parameter of each cell of the base station.

 The first reconfiguration unit 22 may include an obtaining module 221, a first reconfiguration module 222, and a switching module 223, where the obtaining module 221 is configured to acquire the available bandwidth parameter and coverage of the base station of the base station. a range parameter and a communication mode parameter, obtaining a transferable bandwidth parameter, a coverage parameter, and a communication mode parameter of the neighboring base station, and acquiring a communication mode parameter of each user in the cell; the first reconfiguration module 222 is configured to acquire according to the The detachable bandwidth parameter, the coverage parameter and the communication mode parameter of the base station of the base station acquired by the module 221, the available bandwidth parameter of the neighboring base station, the coverage parameter and the communication mode parameter, and each of the cells in the cell a communication mode parameter of the user, reconfiguring an air interface parameter of a part of the user of the cell; the switching module 223 is configured to switch a part of the user reconfigured by the first reconfiguration module 222 to the co-site base station and/or adjacent Base station.

 The first reconfiguration unit 22 may further include a second reconfiguration module 224, where the second reconfiguration module 224 is configured to obtain, according to the acquireable module 221, the available bandwidth parameter of the base station of the base station. And the coverage parameter, and the available bandwidth parameter and the coverage parameter of the neighboring base station, re-allocating the coverage parameter of the cell, and reducing the coverage of the cell.

The first reconfiguration unit 22 may further include a third reconfiguration module 225, where the acquiring module 221 is further configured to acquire a spectrum range and a transferable bandwidth parameter of each base station of the base station; The transferable bandwidth parameter of the base station base station obtained by the obtaining module 221, the allowable bandwidth parameter of the neighboring base station, and the available bandwidth parameter of each base station whose spectrum range is the same as the base station, Assigning the allowable bandwidth parameter of the cell to the The co-site base station, and/or the neighbor base station, and/or one or more of the base stations having the same spectrum range as the base station borrow bandwidth.

 The second reconfiguration unit 23 may include a statistic module 231, a selection module 232, and a creation module 233, where the statistic module 231 is configured to collect communication mode parameters and geographic location parameters of each user in the cell; 232, configured to select one or more users that are adjacent to each other and support the same communication mode according to the communication mode parameter and the geographic location parameter of each user in the cell that are collected by the statistics module 231; Configuring one or more cells for the one or more users according to the communication mode parameters and the geographic location parameters of the one or more users selected by the selection module 232, and configuring communication mode parameters of the created cells. , and attribute parameters.

 The foregoing apparatus may be disposed independently of the wireless communication system, or may be disposed in the wireless communication system, or may be disposed in any one or more base stations in the wireless communication system, and implement wireless by using the foregoing apparatus. For the specific process of parameter reconfiguration in communication, please refer to the description of the above method, and details are not described here.

 Embodiment 1

 In the actual application, in the wireless communication system where the base station A is located, the process of mitigating the load of one cell of the base station A by using the parameter reconfiguration is as shown in FIG. 3. The specific process is as follows: Step 301, the base station A detects itself. The number of connected users of a GSM cell exceeds the set threshold, determining that the GSM cell is overloaded, and reconfiguring the primary parameter of the cell;

 Step 302: The base station A collects communication mode parameters of each user in the GSM cell. Step 303: The base station A acquires the allowable bandwidth parameter and the communication mode of the base station by interacting with the base station and the neighboring base station of the common station. Parameters and coverage parameters, and allowable bandwidth parameters of neighboring base stations, communication mode parameters, and coverage parameters;

The coverage parameter includes a coverage status parameter indicating a current coverage of the base station, and an coverage capability parameter indicating a maximum coverage of the base station. Step 304: According to the calculated communication mode parameter of each user in the GSM cell, and the allowable bandwidth parameter, the coverage parameter, and the communication mode parameter of the base station and the neighboring base station, the base station A is used by each user of the GSM cell. Selecting a portion of users to switch to the co-site base station and/or neighboring base stations;

 The base station A determines whether to switch the user to the co-site base station and/or the neighboring base station of the base station A according to the strength of the measurement signal reported by the user in the GSM cell and the communication mode parameters of each user. Specifically, the measurement signal reported by the user includes a measurement signal of the user to the co-site base station of the base station A, and a measurement signal to the neighboring base station of the base station A, and the measurement signal is stronger, and the communication mode parameter is common to the A portion of users whose communication mode parameters of the site base station and/or the neighboring base station have an intersection are determined to be users of the co-site base station and/or the neighboring base station to be handed over to the base station A.

 Step 305: The base station A acquires the allowable bandwidth parameters of each base station whose spectrum spectrum is the same as itself by interacting with each base station whose spectrum range is the same as itself.

 Step 306: The base station A obtains that only the co-site base station B can accommodate more users according to the acquired transferable bandwidth parameter and coverage parameter of the co-located base station, and the allowable bandwidth parameter and the coverage parameter of the neighboring base station. , as shown in FIG. 4, reconfigure the selected part of the user's communication mode parameters to WCDMA, and switch the part of the users to the common mobile communication system (UMTS, Universal Mobile Telecommunications System) cell of the co-site base station B;

Step 307: The base station A determines, according to the acquired transmittable bandwidth parameter of the co-located base station, the allowable bandwidth parameter of the neighboring base station, and the available bandwidth parameter of each base station whose spectrum range is the same as the base station, B borrows bandwidth, borrows bandwidth from the co-located base station through the joint radio resource manager, reconfigures the allowable bandwidth parameter of the current GSM cell, and broadcasts bandwidth-increasing information to each user in the current GSM cell for each user. Allocate the increased bandwidth; The information for increasing the bandwidth may include: increasing the size, location, and other parameters of the bandwidth. Step 308: The base station A re-evaluates the load of the GSM cell, and determines that the current load of the GSM cell is lower than the threshold, and the parameter reconfiguration process ends.

 Embodiment 2

 In the actual application, in the wireless communication system where the base station A is located, the process of mitigating the load of one cell of the base station A by using the parameter reconfiguration, as shown in FIG. 6, the specific process is as follows: Steps 501-505, and step 301 -305 is identical;

 Step 506: The base station A is configured according to the acquired transmittable bandwidth parameter, the coverage parameter and the communication mode parameter of the base station, the transmittable bandwidth parameter of the neighboring base station, the coverage parameter and the communication mode parameter, and each user in the GSM cell. The communication mode parameter is obtained, that only the neighboring base station C can accommodate more users, as shown in FIG. 6, the communication mode parameter of the selected part of the user is reconfigured to WCDMA, and the part of the user is switched to the adjacent base station. The UMTS cell of C: Step 507, the base station A obtains the extended coverage of the neighboring base station D according to the obtainable bandwidth parameter and coverage parameter of the shared base station, and the allowable bandwidth parameter and the coverage parameter of the neighboring base station. Range, as shown in FIG. 7, the base station A reconfigures parameters such as the transmit power of the GSM cell, reduces the coverage of the GSM cell, and broadcasts parameters such as the retransmitted transmit power to the users still covered by the current GSM cell; D re-equalizes the transmit power of the Long Term Evolution (LTE) cell adjacent to the current GSM cell. , To expand the coverage of the LTE cell, and a link to each user after reconfiguration cell LTE, LTE cell transmission attribute parameter;

 The attribute parameters of the LTE cell include parameters such as an ID, a bandwidth, a carrier frequency, and a supported communication mode of the LTE cell.

 Step 508: The base station A re-evaluates the load of the GSM cell, and determines that the load of the GSM cell is still higher than the threshold, and the secondary parameters of the GSM cell need to be reconfigured.

Step 509, the base station A is based on the statistics of the communication mode parameters of each user in the GSM cell. For the geographic location parameter, one or more users that are adjacent to each other and support WCDMA are selected. As shown in FIG. 8, a UMTS cell with a higher spectrum utilization than the GSM cell is created for the selected user, and the created UMTS cell is configured. The communication mode parameter and the attribute parameter are notified, and the selected communication mode parameter and the attribute parameter configured by the selected user for the UMTS cell are notified.

 The attribute parameters of the UMTS cell include parameters such as bandwidth, carrier frequency, transmission power, and duplex mode of the UMTS cell.

 Step 510: The base station A performs load evaluation on the GSM cell and the newly established UMTS cell, and the load of the GSM cell and the UMTS cell is lower than the threshold, and the parameter reconfiguration process ends.

 The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included. Within the scope of protection of the present invention.

Claims

Claim  A method for parameter reconfiguration in a wireless communication system, the method comprising: the base station detecting that the cell load of the cell is higher than a preset threshold, and performing reconfiguration of the primary parameter on the cell ;  After performing the reconfiguration, the base station detects whether the cell load is still higher than the threshold, and if yes, the base station performs reconfiguration of the secondary parameter on the cell, otherwise, the parameter reconfiguration is ended;  The primary parameter includes a bandwidth of the cell, a coverage parameter, and a communication mode parameter of each user of the subordinate; the secondary parameter includes a communication mode parameter of each cell of the base station.  2. The method of parameter reconfiguration in a wireless communication system according to claim 1, wherein the base station performs reconfiguration of the primary parameter on the cell, including:  The base station is configured according to the acquired transferable bandwidth parameter of the base station, the coverage parameter and the communication mode parameter, the allowable bandwidth parameter of the neighboring base station, the coverage parameter and the communication mode parameter, and the user And a communication mode parameter, reconfiguring an air interface parameter of a part of the users of the cell, and switching the part of the user to the co-site base station and/or the neighboring base station.  The method for reconfiguring a parameter in a wireless communication system according to claim 1, wherein the base station performs reconfiguration of the primary parameter to itself or the cell, and further includes:  Resolving the coverage parameter of the cell according to the obtained coverage parameter of the base station and the available bandwidth parameter of the base station, and the coverage parameter and the available bandwidth parameter of the neighboring base station, and reducing the coverage of the cell Coverage.  The method for reconfiguring a parameter in a wireless communication system according to claim 1, wherein the base station performs reconfiguration of the primary parameter to itself or the cell, and further includes: The base station obtains, according to the obtainable bandwidth parameter of the self-addressed base station, the available bandwidth parameter of the neighboring base station, and the allowable bandwidth parameter of each base station whose spectrum range is the same as itself, Reconfiguring the bandwidth parameters of the cell, borrowing bandwidth from the co-site base station, and/or the neighboring base station, and/or one or more of the base stations having the same spectrum range as itself.  The method for reconfiguring a parameter in a wireless communication system according to any one of claims 1 to 4, wherein the base station performs reconfiguration of the secondary parameter to itself or the cell, including: the base station Selecting one or more users supporting the same communication mode according to the calculated communication mode parameters and geographic location parameters of each user in the cell, creating one or more cells for the selected user, and configuring communication of the created cell Mode parameters, as well as attribute parameters.  6. A device for implementing parameter reconfiguration in a wireless communication system, the device comprising: a detecting unit, a first reconfiguration unit, and a second reconfiguration unit, wherein  a detecting unit, configured to detect whether a cell load of the base station is higher than a threshold, and start the first reconfiguration unit when detecting that the cell load is higher than a threshold for the first time; After the reconfiguration unit completes the reconfiguration of the primary parameter, it is detected whether the cell load is still higher than the threshold, and when the cell load is detected to be higher than the threshold, the second reconfiguration unit is started. ;  a first reconfiguration unit, configured to perform reconfiguration of the primary parameter on the cell;  a second reconfiguration unit, configured to perform reconfiguration of the secondary parameters on the cell;  The primary parameter includes a bandwidth of the cell, a coverage parameter, and a communication mode parameter of each user of the subordinate; the secondary parameter includes a communication mode of each cell of the base station. The apparatus for implementing parameter reconfiguration in a wireless communication system according to claim 6, wherein the first reconfiguration unit includes an acquisition module, a first reconfiguration module, and a switching module, where An acquiring module, configured to acquire a transferable bandwidth parameter, a coverage parameter, and a communication mode parameter of the base station of the base station, obtain an allowable bandwidth parameter, a coverage parameter, and a communication mode parameter of the neighboring base station, and acquire the Communication mode parameters of each user in the small area; a first reconfiguration module, configured to obtain, according to the acquireable module, a transmittable bandwidth parameter, a coverage parameter, a communication mode parameter, a reachable bandwidth parameter, and a coverage parameter of a base station of the base station And a communication mode parameter, and a communication mode parameter of each user of the cell, reconfiguring an air interface parameter of a part of the user of the cell;  And a switching module, configured to switch a part of users reconfigured by the first reconfiguration module to the co-site base station and/or a neighboring base station.  The apparatus for implementing parameter reconfiguration in a wireless communication system according to claim 7, wherein the first reconfiguration unit further includes a second reconfiguration module, where  a second reconfiguration module, configured to reconfigure the allowable bandwidth parameter and the coverage parameter of the base station of the base station acquired by the acquiring module, and the allowable bandwidth parameter and the coverage parameter of the neighboring base station The coverage parameter of the cell reduces the coverage of the cell.  The apparatus for implementing parameter reconfiguration in a wireless communication system according to claim 7, wherein the first reconfiguration unit further includes a third reconfiguration module, where  The acquiring module is further configured to acquire a transmittable bandwidth parameter of each base station whose spectrum range is the same as the base station;  a third reconfiguration module, configured to obtain, according to the acquireable module, the available bandwidth parameter of the base station, the available bandwidth parameter of the neighboring base station, and the base station of the same base station as the base station Transmitting a bandwidth parameter, reconfiguring a bandwidth parameter of the cell, borrowing bandwidth from the co-site base station, and/or a neighboring base station, and/or one or more base stations of a base station having the same spectrum range as the base station .  The apparatus for implementing parameter reconfiguration in a wireless communication system according to any one of claims 6 to 9, wherein the second reconfiguration unit includes a statistic module, a selection module, and a creation module, where a statistics module, configured to collect communication mode parameters and geographic location parameters of each user in the cell; a selection module, configured to select one or more users that are adjacent to each other and that support the same communication mode according to the communication mode parameter and the geographic location parameter of each user in the cell that are counted by the statistics module;  a creating module, configured to create one or more cells for the user according to the communication mode parameter and the geographic location parameter of the one or more users selected by the selection module, configure communication mode parameters of each created cell, and Attribute parameters.