WO2011153955A1 - Method for determining time slot priority and radio network controller - Google Patents

Abstract

A method for determining time slot priority and a Radio Network Controller (RNC) are disclosed, wherein the method includes the following steps of: obtaining Transmitted carrier power (TCP) of each Down Link (DL) time slot of each interference neighboring cell performing interference coordination and determining, according to the TCP, the time slot priority. Performing the present scheme can more accurately reflect interference environment of the time slot in which a target cell is to be accessed so that a new access user can select and access the most appropriate time slot.

Description

 Method for determining time slot priority and wireless network controller The present application claims to be submitted to the Chinese Patent Office on June 11, 2010, the application number is 201010205617.9, and the invention name is "a method for determining the priority of a time slot and a wireless network. The priority of the Chinese Patent Application, the entire contents of which is incorporated herein by reference.

 The present invention relates to wireless communication technologies, and in particular, to a method for determining a time slot priority and a wireless network controller. Background technique

 For the User Equipment (UE) to be accessed in the target cell, the current implementation method traverses each time slot according to the carrier priority queue and the slot priority queue, and attempts to access the UE in the currently traversed time slot.

 The ordering of carriers in the carrier priority queue and the scheduling of slots in the slot priority queue are generally as follows:

 1), sorted in a fixed order;

 2), sorted by power resources:

 Uplink: Received Total Wideband Power (RTWP) based on the base station or Interfere Signal Code Power (ISCP); Downstream: Transmitted Carrier Power based on the base station;

 3), sort by code resource occupation.

 For the three schemes, except for the uplink in mode 2), the resource detection is performed for the target cell, and the presence or absence of the user in the neighboring cell and the possible impact are not considered.

In the current Time Division Synchronized Code Division Multiple Access (TD-SCDMA) system, including version 4 (R4) and High Speed Packet Access (HSPA) systems, for new UEs Assign new to the target cell When resources are used, the actual load conditions of the uplink and downlink need to be considered to make decisions, for example, considering the basic resource unit (BRU) occupancy or power allocation. Due to the short code characteristics of the TD-SCDMA system and the lack of frequency resources, As the current interference is limited, it is recommended to use the power allocation or interference measurement as the basis for resource allocation. Since this decision is made in the Radio Network Controller (RNC), the uplink interference information is sufficient, and the downlink interference information is difficult. This also leads to inaccurate decision-making of the final downlink resource allocation, resulting in new The quality of the UE's service has declined. Summary of the invention

 The technical problem to be solved by the present invention is to provide a method for determining the priority of a time slot and a wireless network controller.

 Further, a determining scheme of a cell for interference coordination is also provided.

 Further, after the slot priority is determined, a method for accessing by slot priority and a radio network controller are also provided.

 The embodiment of the present invention provides a method for determining a time slot priority, which includes the following steps: acquiring TCP of each downlink time slot of each interference neighboring cell that performs interference coordination;

 The slot priority of the target cell is determined according to TCP.

 Further, when determining each interfering neighbor cell that performs interference coordination, the method includes:

 Obtaining a measurement report reported by the UE;

 Obtain pilot measurement results of the source cell, the target cell, and other neighboring cells according to the measurement result; determine the interference neighboring cell that performs interference coordination according to the pilot measurement result.

 An embodiment of the present invention provides a method for accessing by slot priority ordering, including the following steps:

 Blocking, in the current SDCA time slot priority queue, a DL time slot with a TCP interference value greater than a threshold; and accessing the UE according to the masked SDCA time slot priority list;

Decelerating the UE that fails the access, and accessing the UE after the deceleration according to the masked priority list of the SDCA slot; If the access fails after the speed reduction, all UL time slots and DL time slots are reordered to obtain the time slot priority list, and the UE is accessed according to the obtained time slot priority list.

 A radio network controller is provided in the embodiment of the present invention, including:

 a TCP acquisition module, configured to acquire TCP of each downlink time slot of each interfering neighbor cell that performs interference coordination;

 a priority determining module, configured to determine a time slot priority of the target cell according to the TCP.

 Further, it also includes:

 a measurement report module, configured to obtain a measurement report reported by the UE;

 a measurement result module, configured to obtain pilot measurement results of the source cell, the target cell, and other neighboring cells according to the measurement report;

 The interference cell determining module is configured to determine, according to the pilot measurement result, the interference neighboring cell that performs interference coordination.

 A radio network controller is provided in the embodiment of the present invention, including:

 a masking module, configured to block, in the current SDCA time slot priority queue, a DL time slot with a TCP interference value greater than a threshold;

 a first access module, configured to access the UE according to the masked SDCA time slot priority list;

 The speed reduction module is configured to perform a speed reduction on the UE that fails the access, and access the UE after the deceleration according to the masked SDCA time slot priority list;

 The second access module is configured to re-order all UL time slots and DL time slots to obtain a time slot priority list if the access fails after the speed reduction, and then access the UE according to the obtained time slot priority list.

 The beneficial effects of the present invention are as follows:

In the determining scheme of the slot priority provided by the embodiment of the present invention, the UE determines the target cell slot according to the TCP (base station downlink transmit power) of each downlink slot of the neighboring cell participating in the interference coordination. Priority, so that the interference environment of the target cell to be accessed in the time slot can be more accurately reflected, so that the new access user can select the most suitable time slot access. Further, in the determining of the cell for interference coordination, the pilot measurement results of the source cell, the target cell, and other neighboring cells are obtained according to the measurement report reported by the UE; and the cell for interference coordination is determined according to the pilot measurement result. Therefore, by using the neighboring pilot information measured by the measurement, the range of the interference coordination candidate cell is determined, and the neighboring area with weak interference is removed, thereby avoiding excessive processing and increasing the error.

After the TCP interference value is greater than the DL time slot of the threshold, the first round of sequencing is performed: access is performed according to the masked SDCA time slot priority list; the UE that fails the access is decelerated; if the access fails, the access fails. All the UL and DL time slots are sorted in the second round, and the time slot priority list is obtained, and then access is performed. Since two rounds of sorting access are used, it is possible to prevent a certain carrier from having both the largest DL time slot of TCP and the smallest DL time slot of TCP. Finally, the carrier is still ranked in the front, and the connection is improved. Reliability of the entry. 2 is a schematic flowchart of a method for determining a cell for performing interference coordination according to an embodiment of the present invention; FIG. 3 is a schematic flowchart of a method for performing access according to slot priority ordering according to an embodiment of the present invention;

Schematic diagram; schematic diagram of the structure of the device. detailed description

The technical solution provided by the embodiment of the present invention finally solves the problem that the downlink interference information is insufficiently obtained, so that the new UE evaluates the downlink interference more accurately when the target cell allocates resources, thereby reducing interference and improving service quality. Specific embodiments of the present invention will be described below with reference to the accompanying drawings. In the implementation description, since the resource allocation is performed for the target cell, the current cell in the present application refers to the target cell; meanwhile, in the implementation description, the variables are all in the actual value of dBm.

 First, the determination of the priority of the time slot will be described. Then, how to determine the area for interference coordination will be described. Finally, the ordering of the priority of the time slot will be described.

 First, the determination of the priority of the time slot.

 FIG. 1 is a schematic flowchart of a method for determining a time slot priority, as shown in the following figure, which may include the following steps:

 Step 101: Obtain a carrier transmit power (TCP) of each downlink time slot of each interfering neighboring cell;

 Step 102: Determine a time slot priority according to TCP.

 In an implementation, in step 101, the interfering neighboring cell that needs to acquire the TCP may use the cell that performs interference coordination determined in the second scheme, so that the determined cell that performs interference coordination may be used to determine the time according to the time. The priority of the slot on which the slot priority queue traverses and attempts to access. However, for each interfering neighboring cell, other conventional means may be used to determine, but only when the cell that performs interference coordination determined by the foregoing manner is used, the neighboring cell reported by the handover measurement is used, and the UE is switched according to the handover. A better effect can be obtained for the reason that the interference is poor in the reception power of each neighboring cell in the candidate cell.

 In the implementation of step 101, TCP is a common measurement value of the NodeB, and the transmit carrier power of each time slot is measured and reported as a percentage of the maximum transmit power. The radio network signal processing board can be obtained by a certain processing method. Process Assemble, RSPA The TCP in the neighboring area of the board is obtained in the storage area of the neighboring area information of the board. When implemented by a certain processing method, for example, a simple processing method is to use the transmission of TCP information in the existing communication mode between different signaling boards in the RNC.

 In the implementation of step 102, in the implementation of determining the priority of the time slot according to TCP, the following manner is provided in the embodiment, and the following description is as follows:

 method one

In the implementation, after obtaining the TCP measurement value of each downlink time slot of each interfering neighboring cell, Considering the correction of the measured value, therefore, further, it may also include:

 Handle TCP as follows:

^TCP L _h = CP _J , l - or, TC _KJ , = TCP _J , _H where: is the path loss weighting coefficient value calculated by the PCCPCH information;

 When the PCCPCH transmit power of each cell is the same:

a _i = (PCCPCH _ RSCP _t - PCCPCH _ RSCP _t ) (Formula j) or, when the PCCPCH transmit power of each cell is different:

a. = {PCCPCH _ RSCPi - PCCPCH _ Power, ) - (PCCPCH _ RSCP _t - PCCPCH _ Power _t ) The i subscript represents the current interfering neighbor cell, and the t subscript represents the target cell.

 j, h respectively represent the hth downlink time slot of the jth carrier of the cell. The value of the path loss weighting coefficient representing the i-th interfering neighbor cell, in dB.

PCCPOT — Pm^r represents the transmit power of _pccpCH . Specifically, for each interfering neighboring cell, since the TCP value is the transmit power of the NodeB side, a path loss weighting coefficient can be considered. In the implementation, a switch control can be set to determine whether the weighting is needed in the current situation. The weighting method cannot be - enumeration, formula 1, formula 2 is the calculation method of two kinds of weights. Equation 1 considers that the maximum downlink transmit power of all cells is the same. Equation 2 considers that the maximum downlink transmit power of all cells may be different.

The function of the path loss weighting process is to correct the potential interference severity of the same-frequency neighboring area. Because TCP is only the transmitting power of the base station and there is no path loss, it needs to be corrected to avoid the TCP of the farther cell and the nearest cell. However, it may cause a different impact on the UE. Therefore, in the embodiment, Equation 1 and Equation 2 are taken as an example for implementation; however, in theory, other methods are also possible, as long as the potential interference strength of the same frequency neighboring region can be corrected, Equation 1 Equation 2 is only used to teach those skilled in the art how to implement the invention in detail, but does not mean that only Equation 1 and Equation 2 can be used. In the implementation process, the corresponding path loss weighting can be determined in combination with practical needs.

Then, if the switch is turned on, the neighbor TCP value can be processed as: P' = TCP χΐ θ ¹⁰

"' ^h "'^h; if closed, use the current TCP value directly

TCP' = TCP

"", ^h . The meaning of its value is still a percentage.

 In the implementation, after obtaining the TCP measurement value of each downlink time slot of each of the interfering neighboring cells, whether the target cell is included in the interference effect may be considered. Therefore, further, the method may further include:

 Obtaining TCP of each downlink time slot of the current cell, and determining a time slot priority according to the TCP of the current cell and each interfering neighboring cell.

 In a specific implementation, when the target cell is included in the interference impact, a switch may be simply set to control whether the target cell is taken into consideration. If the switch is turned on, the TCP of the cell is included in the final priority consideration. Otherwise, only the neighboring area calculation except the target cell is used.

 After determining the TCP for determining the priority of the time slot according to the above manner, in step 102, it can be implemented as follows:

 i=\

 Or,

P =

j,h

i=\ Where j and h respectively represent the hth downlink time slot of the jth carrier of the cell, and N is the number of interfering neighbor cells.

 p

 The i subscript represents the current interfering neighbor cell, and t represents the target cell, which is the priority of the h th downlink slot of the jth carrier.

 T P

For ^J , ^h , mode 1, because TCP values are used directly, it is not necessary to replace TCP'.

"" ^h , that is, if the switch is turned on, the neighboring TCP value is treated as follows:

TCP _h = TCP _{i J h} xW" . If off, the current TCP value is used directly ⁷ ^ ^{= 7} °^. The value of the value is still a percentage.

MaxTransPower is the maximum transmit power of the cell i. MaxTransPower _t is the maximum transmit power of the target cell. It is an important parameter of the RNC. Generally, the parameter can be seen through the operation and maintenance interface, that is, the parameter can be learned by the RNC.

 In a specific implementation, when calculating the time slot priority, according to the obtained measurement value and the control of the two switches, the total interference value may be counted for the hth downlink time slot of the jth carrier of the target cell, where N is the interference neighbor. The number of zones; thus, the TCP measurement value, the control of two switches, and the weight loss weighting are considered, and the time slot priority is finally obtained. Since there are many specific calculation methods, as long as the total interference value of one time slot can be counted Can be used, here can not - enumerate, in the above two ways, Equation 3 describes a priority calculation method that does not consider the target cell TCP; Equation 4 describes a priority considering the target cell TCP Calculation.

 Way two

When the carrier and the downlink time slot TCP period of each cell in the current RNC are updated for the interference coordination reference, since the TCP is a common measurement value of the NodeB, the downlink time slot may have multiple UEs with different positions. The orientation relationship between these UEs and the current handover UE is different, and the interference caused is also different. Therefore, further, it can also be implemented as follows in order to achieve a more accurate downlink interference assessment. 1. Obtain the Angle of Arrival (AOA) and TCP-specific measurement information of each carrier in each cell in the current RNC, and in the specific implementation, the parameters may also be configured as a NodeB periodic report or event report. Come to

 2. The PCCPCH-RSCP information of all the UEs connected to the current RNC is obtained. In the specific implementation, the parameters may be reported as a UE periodic report or an event report. The reporting manner may include:

 1) Configure all UEs to report pilot measurements.

 2) Introduce a new event definition, and trigger the UE to report the measurement report when the entry condition is met or the departure condition is met. The measurement report for general switching only reports the measurement report when the entry condition is met. In order to support the measurement report required for interference coordination, the UE is also triggered to report the measurement report when the departure condition is satisfied. Whether to report the measurement report when the departure condition is satisfied can be controlled by a parameter ReportOnLeave. For details, refer to the A3 event implementation in TS36.331.

 In the implementation, the interference of each time slot may be corrected according to the Grid Of Beam (GOB) pattern according to the AOA of each carrier and each time slot UE.

 The significance of the correction is to look up the AOA direction of the UE on the GOB pattern, and obtain the actual shaping gain in the direction for the subsequent weighting of the transmission power to reflect the role of the smart antenna shaping.

 The following is an explanation of the implementation of the downlink interference based on the AOA reported by each UE to calculate the downlink interference more accurately.

 For a single user per time slot, TCP is directly stored in the maximum direction corresponding table unit.

 For the case of multiple users per time slot, it is necessary to calculate separately and then integrate one maximum direction unit storage. The calculation method is as follows:

 The RNC side saves the GOB (Grid Of Beam) pattern of the matching antenna type of different cells, according to the AOA estimation, the AOA direction is the maximum value in the pattern, and the maximum value in the shaping direction is An angle within a threshold (for example, 3 dB) is confirmed to be in the position in the table below. For multiple users, it is necessary to superimpose the patterns of multiple users and consider the angles within the threshold range with the maximum value of the shaping direction.

For the above method, only the angular interference in the maximum direction is preserved, and the shadow of the side lobes is not carefully considered. Ringing, you can consider adding the completed user-by-user direction more carefully, and stacking them in the next step for better results. Due to the inaccuracy of the pattern estimation, this may be more effective for larger angular differences.

 The RNC side can periodically maintain an interference reference that takes into account the direction. Here, a switch can be used to consider interference evaluation with different accuracy. When the switch is turned off, consider a rough evaluation, that is, the following table is selected for each cell selection, and any distance can be selected for the angle range. Only one of the following is illustrated:

 For a certain carrier, taking a sector as an example, a value is reserved every 10 degrees, and TCP indicates the direction-weighted slot transmit power.

When the switch is turned on, the path loss per UE can be obtained according to the PCCPCH-RSCP reported in the previous user cycle:

PathLoss = PCCPCH Power - PCCPCH RSCP (Equation ₅ ), after obtaining the path loss of each UE, it can approximate the interference of each downlink time slot of a certain carrier of the current cell to other cells. For many methods, only two are listed here. Kind:

For the K UEs of the hth downlink time slot of the jth carrier, consider the impact of its occupied resources and path loss:

^{TCPi k} // ^h _B RU— NUM k ^{Pathl0SSi k )} (Equation 6)

BRU_NUM, which refers to the basic resource unit occupied by the kth UE (Basic Resource Unit, The number of BRUs, the i subscript represents the current interfering neighbor cell.

 For the K UEs of the h th downlink slot of the jth carrier, consider the occupied resources and path loss and the impact of the AOA:

^TCP 'i,j,h,AOA ^{X Directiond} ― Coeff(AOA _ est _ik ) - PathLoss _ik )

 (Formula 7)

Where: i subscript represents the current interfering neighboring cell,

The shaping gain of the UE relative to the AOA of the cell i on the GOB pattern; BRU_NUM _k refers to the number of BRUs occupied by the kth UE.

 The RNC side period maintains an interference reference quantity considering the direction. The selection of each cell is maintained as follows:

 TCP, indicating the direction-weighted slot transmit power

For a UE that currently needs to use a new resource in a target cell, the RNC can use the interference reference information obtained in the first two steps to perform interference avoidance.

 TCP, which is the corrected TCP value, is still reported as a percentage of the maximum transmit power. By a certain processing method, the TCP' in the neighboring area between the boards (the RSPA board) can be obtained in the storage area of the neighboring area information of the board.

For the N co-frequency neighbors of all current time slots, the h-th downlink time slot of the j-th carrier of the target cell is calculated for its priority. Since there are many statistical methods, here are only two examples: When the switch is turned on, Pj,h ~

TCP ij,h,AOA

= ¹ (Equation 8)

When the accurate evaluation switch is turned off,

 N

^P J, _h two ^TCP , U, _h

 i=\ CP'

It can be seen from the above implementation. In the first method, ', the calculation method is: cp _h = Tcp〗, _h χΐο- or TCP; ^ = TCP.. _h . The calculation method is:

 i=\

Or,

 i=\

In the second way, the ten calculation method is: T ' — PathJ λ

or, TCP' i,j,h,AOA = x Directional Coeff(AOA _ est _ik ) - PathLoss _ik )

i is calculated as: Pj,h = TCP, _u , _h

.

 Among them, the first method is a simplified evaluation method; the second method is a more accurate evaluation method; both methods use the TCP statistic, and the first method uses a parameter alpha to represent the weighting coefficient of the path loss change; In addition to TCP, mode 2 also selects directional gain for each UE.

 ( directional coeff ), and the exact path loss value ( athloss ), so it is more accurate than alpha.

 2. Determination of the cell for interference coordination.

 When determining the slot priority, each interfering neighbor cell needs to be determined. The following describes how to determine the interfering neighbor cell.

 FIG. 2 is a schematic flowchart of a method for determining a cell for performing interference coordination, and as shown in the figure, the following steps may be included:

 Step 201: Obtain a measurement report reported by the UE.

 Step 202: Obtain pilot measurement results of the source cell, the target cell, and other neighboring cells according to the measurement report.

 Step 203: Determine, according to the pilot measurement result, an interference neighboring cell that performs interference coordination.

 When obtaining the measurement report reported by the UE, the measurement report can be obtained by one or a combination of the following methods:

 The measurement report is obtained by the same-frequency event reported by the UE during the handover process, the measurement report is obtained by the inter-frequency event reported by the UE during the handover process, and the measurement report is obtained by the internal measurement event reported by the UE during the handover process.

Specifically, in the implementation of steps 201 and 202, the source may be obtained according to the same-frequency event (such as 1G), the inter-frequency event (such as 2A), and the internal (add-on-frequency/inter-frequency) measurement report reported by the UE during the handover process. Pilot measurement results of the cell, the target cell, and other neighboring cells, and will obtain the neighbor of the target cell The list of zones, which can be recorded as AdjCellList in the implementation.

 In the implementation, the acquisition of the pilot measurement result is performed for the resource selection in the handover scenario, so in order to simplify the implementation, the handover measurement reporting information may be used to select the cell to perform interference coordination; of course, each NodeB under the RNC may be allowed. The UEs are all reported for reporting, but this implementation is more complicated.

 In the implementation of step 203, when determining the interference neighboring cell that performs interference coordination according to the pilot measurement result, the neighboring cell i that satisfies the following formula may be determined as the interference neighboring cell that performs interference coordination:

PCCPCH _ RSCP _{T axg etCell} - PCCPCH _ RSCP _0thMl _ _l < δ (formula

10), where:

PCCPCH _ RSCP _{T∞ getCell} is the pilot measurement result value of the target cell, and PCCPCH _ RSCPo^c^ is the pilot measurement result value of the neighboring cell ^, which is the pilot difference between the target cell and the neighboring cell, in implementation, in order to avoid too This threshold is set for the selection of more weak neighbors. In the formula, the PCCPCH in ^^^^^^ —^ ^^ is the Primary Common Control Physical Channel, and the RSCP is the Received Signal Code Power. This value is chosen because it is generally considered to be "received pilot signal strength", is a UE accessing the cell, and is an important parameter used in handover cell decisions, ie, this value must be greater than a certain threshold before it can be connected. In (for example, -85dBm), the difference between the two cells is greater than a certain threshold to determine the handover, so this value is one of the key factors, so select it. In the implementation, other parameters can also be used, which is to achieve the same effect.

 Specifically, for each neighboring cell, the judgment can be made by looking up the pilot measurement result of each cell in the AdjCellList.

 Further, the implementation may further include: adding, when the interference neighboring cell that performs the interference coordination according to the pilot measurement result does not include the source cell, adding the source cell to the interference neighboring cell performing interference coordination.

Specifically, a list of all interference neighbors that satisfy Equation 10 is obtained; if the source is not included in the list The area is added, and the pilot of the source cell is considered to be the corpus ο^ / _Λ5 ^ _£ ^„ - the relative threshold is switched to increase the weighting consideration for the interference of the source cell. In the implementation, the source cell is not included in the formula 10. The judgment, but after obtaining the list of all the interference neighbors satisfying the formula 10, if the source cell is not included in the list, the supplementary is added, and the pilot of the source cell is considered to be the corpus ο^ / _Λ5 ^ _£ ^„ - Thresholds to increase the weighting considerations for source cell interference. Since the target cell should be greater than the source cell by one dB when switching, that is, the handover relative threshold in the formula, the weighting thereof is the target cell pilot value-switching relative threshold.

 The purpose of the foregoing implementation is to: determine the range of the interference coordination candidate cell by using the neighboring cell pilot information of the handover measurement; and remove the interference power of each neighboring cell in the candidate cell according to the handover UE, and remove the interference. The neighboring area, so as to avoid excessive processing and increase the error; finally, the source cell is added to make the interference consideration more comprehensive.

 Third, the sorting method of time slot priority.

 FIG. 3 is a schematic flowchart of a method for performing access according to slot priority ordering. As shown in the figure, the following steps may be included:

 Step 301: Blocking, in a current Slow Dynamic Channel Allocation (SDCA) time slot priority queue, a downlink (Down Link, DL) time slot with a TCP interference value greater than a threshold;

 Step 302: Access the UE according to the masked SDCA time slot priority list. Step 303: Perform a down-speed on the failed access UE, and perform the derated UE according to the masked SDCA time slot priority list. Access

 Step 304: If the access fails after the speed reduction, all the Uplink (UL) time slots and the DL time slots are reordered to obtain the time slot priority list, and then the UE is performed according to the obtained time slot priority list. Access.

 All UL time slots and DL time slots refer to all time slots including the deleted DL time slot with a TCP interference value greater than the threshold.

In the implementation, when the carrier/slot is sorted and accepted to the target cell, the SDCA of the target cell The carrier frequency sorting method uses the NodeB common measurement by default, and the DL time slot queuing method uses the NodeB common measurement by default. The UL slot queuing method does not require the method of the cell to be configured. DL p

When using TCP measurement, you can refer to the implementation obtained in the above formula. In the implementation, the SDCA is a Radio Resource Management (RRM) algorithm. The adjustment method can be based on different services of fixed queuing, basic resource unit (BRU) resource selection, etc. There are several queuing modes, and it is also possible to control uplink and downlink time slots of priority access of each carrier frequency (N frequency point) of each cell. In this embodiment, it is based on SDCA of public measurement.

 In order to prevent a carrier from having both the largest DL time slot of TCP and the smallest DL time slot of TCP, the carrier is still integrated in the previous situation. Here are 2 rounds of resources to try:

 In the first round, the total interference TCP of the DL time slot is greater than or equal to the threshold (configurable under the cell), and the SDCA carrier/slot queuing method is used to perform sorting to obtain a carrier/time slot priority list. , access. When the carrier is sorted, the total number of DL slots needs to be subtracted from the deleted time slot. If the access fails, you need to try to slow down, and follow the shielded SDCA time slot priority list to access the decelerated UE. If it still fails after the speed reduction, it will enter the next round.

 In the second round, all UL and DL time slots are involved in sorting, and a carrier/slot priority list is obtained for access.

 The method of sorting all UL time slots and DL time slots can use the SDCA time slot queuing method. Further, all UL time slots and DL time slots may be sorted according to the number of resources occupied by the service. That is, in the prior art, when the SDCA algorithm is used, the carrier is usually selected first, and then the time slot is selected according to the time slot priority, and the carrier priority is a coefficient obtained by combining multiple uplink time slots, and multiple downlink times. The coefficients obtained by the gap synthesis are weighted again. In the embodiment of the present invention, when the SDCA algorithm is used, the step of the first carrier after the time slot is broken, and the resource may be selected according to the mixed priority of the time slot and the carrier in the priority queue. Specifically:

After obtaining the priority weights of all uplink and downlink time slots, the carrier priority does not use the average weight ordering of all time slots, but selects an uplink/downlink time slot combination that satisfies the resource requirement from each carrier. And the priority weight of the combination is obtained by weighting up and down. For example, if the uplink and downlink requirements of the service to be switched are both single time slots, the following table is calculated according to the time slot priority factor:

 Finally, the priorities of all the calculated candidate resource combinations are sorted, and the best time slot combination is preferentially selected for resource allocation attempts to determine the slot priority of all UL time slots and DL time slots. Radio network controller, radio network controller for determining slot priority ordering method, method for solving problem by these devices, method for determining slot priority, method for accessing by slot priority Similarly, the implementation of these devices can be referred to the implementation of the method, and the repeated description will not be repeated.

 4 is a schematic structural diagram of a radio network controller for determining a slot priority. As shown in the figure, when determining a slot priority of a cell for interference coordination, the radio network controller may include:

 The TCP obtaining module 401 is configured to acquire TCP of each downlink time slot of each interference neighboring cell that performs interference coordination;

The priority determining module 402 is configured to determine a slot priority of the target cell according to the TCP. In an implementation, the TCP obtaining module may be further configured to obtain the TCP from a storage area of the neighboring area information of the local RSPA.

 In implementation, the TCP acquisition module may further be used to process TCP in the following manner:

TCP'J , n _h = TCP i _i , j _i , h _h x W° , or ^ · , TCP J; _i , » _h = TCP _iih , where ^ a. _a is the path loss calculated by _L through PCCPCH information Weighting coefficient value;

When the PCCPCH transmit power of each cell is the same: a _i = {PCCPCH _ RSCP _l - PCCPCH _ RSCP _t ) Or, when the PCCPCH transmit power of each cell is different:

a _t = (PCCPCH _ RSCPi - PCCPCH _ Power, ) - {PCCPCH _ RSCP _t - PCCPCH _ Power _t ) , where:

The i subscript represents the current interfering neighboring cell, the t subscript represents the target cell, and j and h respectively represent the hth downlink time slot of the jth carrier of the cell, representing the path loss weighting coefficient value of the i th interference neighboring cell, PCCPCH RSCP is the pilot measurement result value, and PCCPCH-Power represents the transmit power of _pccpCH .

In an implementation, the priority determining module may be further configured to determine, according to the determining the time slot priority according to the TCP, the following formula:

 p _ = i=l

j, N MaxTransPow er _i

 L0 ^ ^ ^ , where:

 i=\

 j, h respectively represent the hth downlink time slot of the jth carrier of the cell, N is the number of interfering neighbor cells, i subscript represents the current interfering neighbor cell, MaxTransPowei. is the maximum transmit power of cell i, ^^ is The priority of the hth downlink slot of the jth carrier.

In an implementation, the TCP obtaining module may be further configured to obtain each downlink time slot of the target cell. TCP;

 The priority determining module may be further configured to determine a slot priority according to the TCP of the target cell and each interfering neighbor cell.

 In the implementation, the priority determining module may further be used to: when determining the priority of the time slot according to the TCP, the following processing:

P =

j,h

 i=\

 , among them:

 j, h respectively represent the hth downlink time slot of the jth carrier of the cell, N is the number of interfering neighbor cells, i subscript represents the current interfering neighbor cell, t represents the target cell, and MaxTransPower is the maximum transmit power of the cell, The priority of the hth downlink slot of the jth carrier.

 In the implementation, the TCP acquisition module can be further used to obtain all the connections under the current RNC.

PCCPCH-RSCP information of the UE; and obtain the path loss of each UE as follows:

 PathLoss = PCCPCH Power - PCCPCH RSCP, where

PathLoss is the path loss of the UE, PCCPCH Power is the _PCCPCH transmit power, and PPCCPCH _RSCP is the pilot measurement result of ^. In the implementation, the TCP acquisition module may further be configured to process the TCP of the K UEs of the hth downlink time slot of the jth carrier in the following manner:

^TCP ^ =∑ k=\ ^{TCPj // _B RU— NUM k _k - ^PathL ° ^{SSi k )} , where:

The number of basic resource unit BRUs occupied by k UEs, and the i subscript represents the current interfering neighboring cell.

In an implementation, the priority determining module may be further configured to determine a slot priority according to the TCP. When, press the following to determine:

 N

^P j, _h :∑ ^TCP , u, _h

 i= ; where p

 N is the number of interfering neighbor cells, and ^ is the priority of the hth downlink slot of the jth carrier.

 Considering the AOA factor, the wireless network controller can further include:

 The AOA obtaining module 403 is configured to acquire an AOA of each carrier in each cell in the current RNC and a UE in each time slot.

 In the implementation, the TCP acquisition module may be further configured to correct the interference of each time slot according to the GOB pattern according to the AOA of each carrier and each time slot UE.

 In the implementation, the TCP obtaining module may be further configured to process the TCP of the K UEs of the hth downlink time slot of the jth carrier in the following manner:

^TCP 'i,j,h,AOA ^{X Directiond} ― Coeff(AOA _ est _ik ) - PathLoss _ik )

, where: 丄 subscript represents the current interfering neighboring cell, "^^—C3⁄4e//^O _e ;) is the shaping gain of the _kth UE relative to the cell i in the GOB pattern; BRU_NUM _k ^ The number of BRUs occupied by the kth UE.

 In an implementation, the priority determining module may further be configured to determine, according to the time slot priority according to the TCP, the following formula:

^{In P} ji

 p

 N is the number of cells performing interference coordination, and ^ is the priority of the hth downlink time slot of the jth carrier.

 In the implementation, the wireless network controller may further include:

a measurement module 404, configured to acquire a measurement report on the UE; The measurement result module 405 is configured to obtain pilot measurement results of the source cell, the target cell, and other neighboring cells according to the measurement report;

 The interference cell determining module 406 is configured to determine, according to the pilot measurement result, the interference neighboring cell that performs interference coordination.

 In an implementation, the measurement result module may be further configured to: when acquiring the measurement report reported by the UE, obtain the measurement report by using one or a combination of the following manners:

 The measurement report is obtained by the same-frequency event reported by the UE during the handover process, the measurement report is obtained by the inter-frequency event reported by the UE during the handover process, and the measurement report is obtained by the internal measurement event reported by the UE during the handover process.

 In an implementation, the interfering cell determining module may be further configured to: when determining an interfering neighboring cell that performs interference coordination according to the pilot measurement result, determine the neighboring cell i that satisfies the following formula as the interfering neighboring cell that performs interference coordination:

PCCPCH _ RSCP _{T axg etCell} - PCCPCH _ RSCP _0therCell _ ₁ < S where: PCCPCH _ RSCP _{Tw etCell} is the pilot measurement result value of the target cell, and PCCPCH _ RSCPo^c^ is the pilot measurement result value of the neighboring cell ^ The pilot cell and the neighboring cell pilot difference.

 In an implementation, the interfering cell determining module may be further configured to: when the source cell is not included in the interfering neighbor cell that performs interference coordination according to the pilot measurement result, add the source cell to the interference neighboring cell that performs interference coordination.

In the implementation, the interfering cell determining module may further be configured to process the pilot of the source cell according to the PCCPCH _RSCP _{T argeiCe} „ - switching relative threshold.

As shown in the figure, after determining the time slot priority, the radio network controller may include:

The masking module 501 is configured to block, in the current SDCA time slot priority queue, a DL time slot with a TCP interference value greater than a threshold; The first access module 502 is configured to access the UE according to the masked SDCA time slot priority list;

 The down-speed module 503 is configured to perform a deceleration on the UE that fails to access, and access the UE after the deceleration according to the masked priority list of the SDCA slot;

 The second access module 504 is configured to re-order all UL time slots and DL time slots to obtain a time slot priority list after the speed reduction is performed, and access the UE according to the obtained time slot priority list. .

 In implementation, the second access module is used to:

 All UL time slots and DL time slots are reordered according to the SDCA time slot queuing method; or all UL time slots and DL time slots are reordered according to different service occupied resources.

 For convenience of description, the various parts of the above described devices are divided into various modules or units by function. Of course, the functions of the various modules or units may be implemented in one or more software or hardware in the practice of the invention.

 The technical solution provided by the embodiment of the present invention is as follows:

 The co-channel interference reference of the target cell is obtained by using the common measurement amount on the UTRAN side. The interference coordination neighbor information of the current UE is obtained by using the dedicated measurement of the UE.

 The neighboring area is controlled to participate in the interference coordination algorithm by using the pilot difference threshold of the neighboring area.

 The potential interference strength of the neighboring area is corrected by any path loss weighting method.

 Further consideration is given to the special handling of the source cell weighting values.

 Use two rounds of carrier, time slot selection, and so on.

 The technical solution provided by the embodiment of the present invention can enable the UE to be accessed in the target cell to select a resource with less downlink interference to use, thereby avoiding strong interference or strong interference, and improving user service quality.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the present invention is applicable to one or more computer-usable storage media (including but not limited to disks) having computer usable program code embodied therein. A form of computer program product embodied on a memory, CD-ROM, optical storage, or the like.

 The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowcharts and/or block diagrams, and combinations of flow and/or blocks in the flowcharts and/or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

 The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

 These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

 Although the preferred embodiment of the invention has been described, it will be apparent to those skilled in the < Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and the modifications and modifications

Claims

Rights request

A method for determining a priority of a time slot, comprising the steps of:

 Obtaining carrier transmit power of each downlink time slot of each interfering neighbor cell performing interference coordination

TCP;

 The slot priority of the target cell is determined according to TCP.

 2. The method according to claim 1, wherein the TCP is acquired from a storage area of neighboring area information of a local wireless network signaling processing board RSPA.

 The method according to claim 1, wherein after obtaining the TCP of each downlink time slot of each interference neighboring cell that performs interference coordination, and before determining the time slot priority according to the TCP, the method further includes: Process as follows:

TCP' _h = TCP _iih x W° TCP; _ih = TCPi _ih ^ When the PCCPCH transmit power of each cell is the same:

α _ι = {PCCPCH _ RSCP _l - PCCPCH _ RSCP _t ) Or, when the PCCPCH transmit power of each cell is different:

a _t = (PCCPCH _ RSCPi - PCCPCH _ Power,) - {PCCPCH _ RSCP _t - PCCPCH _ Power _t ) , where:

The i subscript represents the current interfering neighboring cell, the t subscript represents the target cell, and j and h respectively represent the hth downlink time slot of the jth carrier of the cell, representing the path loss weighting coefficient value of the i th interference neighboring cell, PCCPCH RSCP is the pilot measurement result value, and PCCPCH-Power represents the transmit power of _pccpCH .

4. The method according to claim 3, wherein when determining the priority of the time slot according to the TCP, determining according to the following formula: among them:

 i=\

N is the number of interfering neighbor cells, MaxTransPowei. is the maximum transmit power of cell i, and J' ^H is the priority of the hth downlink time slot of the jth carrier.

 5. The method of claim 3, further comprising:

 The TCP of each downlink time slot of the target cell is obtained, and the time slot priority is determined according to the TCP of the target cell and each interfering neighbor cell.

6. The method according to claim 5, wherein when determining the priority of the time slot according to the TCP, determining according to the following formula:

 P = i=\

j,h MaxTransPow er _t N MaxTransPow er _t

 10 10

1 ⁰ +∑io

 i=\

 , among them:

 N is the number of interfering neighbor cells, t represents the target cell, MaxTransPower is the maximum transmit power of the cell, and ^ ^ is the priority of the h th downlink slot of the jth carrier.

 The method according to claim 1, wherein, after acquiring the TCP of each downlink time slot of the interference neighboring cell that performs the interference coordination, and determining the time slot priority according to the TCP, the method further includes:

 Obtaining PCCPCH-RSCP information of all user equipment UEs connected under the current radio network controller RNC;

 The path loss of each UE is obtained as follows:

PathLoss = PCCPCH Power - PCCPCH RSCP, where PathLoss is the path loss of the UE, PCCPCH Power is the _PCCPCH transmit power, and PPCCPCH _ RSCP is the pilot measurement result of ^.

8. The method according to claim 7, wherein the TCPs of the K UEs of the hth downlink time slot of the jth carrier are processed in the following manner:

 κ

TCP, u, _h = ∑, ^ik / ^h _{BRU mM} - PathLoss _k ) , where: k=\ / — k

The number of basic resource unit BRUs occupied by k UEs, and the i subscript represents the current interfering neighboring cell.

 9. The method according to claim 8, wherein when the time slot priority is determined according to TCP, the following determination is made:

 N

^P J, _h two ^TCP , U, _h

N is the number of interfering neighbor cells, and ^ is the priority of the h th downlink slot of the jth carrier.

10. The method of claim 7, further comprising:

 Obtain the arrival angle AOA of each carrier and UE in each slot in the current RNC.

 The method of claim 10, further comprising:

 According to the AOA of each carrier and each time slot UE, the interference of each time slot is corrected according to the beam scanning method GOB pattern.

 12. The method according to claim 11, wherein the TCP of the K UEs of the hth downlink slot of the jth carrier is processed in the following manner:

^TCP ,i,j,h,AOA /BRU MUM ^{X Directiond} - Coeff(AOA _ est _ik ) - PathLoss _ik

/ — k ,

, where: 丄 subscript represents the current interfering neighboring cell, "^^—C3⁄4e//^O _e ;) is the shaping gain of the _kth UE relative to the cell i in the GOB pattern; BRU_NUM _k ^ The number of BRUs occupied by the kth UE.

 13. The method according to claim 12, wherein when the time slot priority is determined according to TCP, the following determination is made:

^P j,h

 p

 N is the number of cells performing interference coordination, and ^ is the priority of the hth downlink time slot of the jth carrier.

 The method according to any one of claims 1 to 13, wherein: determining each of the interfering neighbor cells for interference coordination comprises:

 Obtaining a measurement report reported by the UE;

 Obtain pilot measurement results of the source cell, the target cell, and other neighboring cells according to the measurement result; determine the interference neighboring cell that performs interference coordination according to the pilot measurement result.

 The method according to claim 14, wherein when the measurement report reported by the UE is acquired, the measurement report is obtained by one or a combination of the following manners:

 The measurement report is obtained by the same-frequency event reported by the UE during the handover process, the measurement report is obtained by the inter-frequency event reported by the UE during the handover process, and the measurement report is obtained by the internal measurement event reported by the UE during the handover process.

 The method according to claim 14, wherein when determining the interference neighboring cell that performs interference coordination according to the pilot measurement result, the neighboring area i that satisfies the following formula is determined as the interference neighboring cell that performs interference coordination:

PCCPCH _ RSCP _{T arg etCell} - PCCPCH _ RSCP _0lhetCell _ _l < S where: PCCPCH _ RSCP _{Ta etCell} is the pilot measurement result value of the target cell, and PCCPCH _ RSCPo^c^ is the pilot measurement result value of the neighboring cell ^,

The method according to claim 14, further comprising: adding, when the source cell is not included in the interference neighboring cell that performs interference coordination according to the pilot measurement result, adding the source cell to the interference neighbor performing interference coordination In the community.

18. The method of claim 17, wherein the pilot of the source cell is

- Switch relative thresholds.

 A method for accessing by slot priority ordering, characterized in that the slot priority is determined by the method according to any one of claims 1 to 18, comprising the following steps:

 Blocking a downlink DL slot with a TCP interference value greater than a threshold in the current slow dynamic channel allocation SDCA slot priority queue;

 Accessing the UE according to the masked SDCA slot priority list;

 Decelerating the UE that fails the access, and accessing the UE after the deceleration according to the masked priority list of the SDCA slot;

 If the access fails after the speed reduction, all uplink UL time slots and DL time slots are reordered to obtain the time slot priority list, and the UE is accessed according to the obtained time slot priority list.

 20. The method according to claim 19, wherein the reordering all UL time slots and DL time slots comprises:

 All UL time slots and DL time slots are reordered according to the SDCA time slot queuing method; or all UL time slots and DL time slots are reordered according to different service occupied resources.

 A radio network controller, comprising:

 a TCP acquisition module, configured to acquire TCP of each downlink time slot of each interfering neighbor cell that performs interference coordination;

 a priority determining module, configured to determine a time slot priority of the target cell according to the TCP.

 The radio network controller according to claim 21, wherein the TCP obtaining module is further configured to acquire the TCP from a storage area of the neighboring area information of the local RSPA.

The radio network controller according to claim 21, wherein the TCP acquisition module is further configured to process the TCP in the following manner: TCP' _h = TCP _iih x W° TCP; _ih = TCPi _ih ^ When the PCCPCH transmit power of each cell is the same:

α _ι = {PCCPCH _ RSCP _l - PCCPCH _ RSCP _t ) Or, when the PCCPCH transmit power of each cell is different:

a _t = (PCCPCH _ RSCPi - PCCPCH _ Power, ) - {PCCPCH _ RSCP _t - PCCPCH _ Power _t ) , where:

The i subscript represents the current interfering neighboring cell, the t subscript represents the target cell, and j and h respectively represent the hth downlink time slot of the jth carrier of the cell, representing the path loss weighting coefficient value of the i th interference neighboring cell, PCCPCH RSCP is the pilot measurement result value, and PCCPCH-Power represents the transmit power of _pccpCH .

 24. The radio network controller of claim 23, wherein the priority determining module is further configured to determine when a slot priority is determined according to TCP, as follows:

among them:

 i=\

N is the number of interfering neighbor cells, and MaxTransPowei. is the maximum transmit power of the cell i, p

 The priority of the hth downlink time slot of the jth carrier.

 25. The radio network controller of claim 23, wherein:

 The TCP acquisition module is further configured to acquire TCP of each downlink time slot of the target cell;

 The priority determining module is further configured to determine a slot priority according to the TCP of the target cell and each interfering neighboring cell.

The radio network controller according to claim 25, wherein the priority determining module is further configured to: when determining the time slot priority according to the TCP, determine according to the following formula: P =

j,h

 i=\

 , among them:

 N is the number of neighboring cells, t is the target cell, MaxTransPower is the maximum transmit power of the cell, and ^^ is the priority of the hth downlink time slot of the jth carrier.

 27. The radio network controller of claim 21, wherein the TCP acquisition module o

Further, it is used to obtain PCCPCH-RSCP information of all UEs connected under the current RNC; and obtain the path loss of each UE as follows:

PathLoss = PCCPCH Power - PCCPCH RSCP, where

PathLoss is the path loss of the UE, PCCPCH Power is the _PCCPCH transmit power, and PPCCPCH _RSCP is the pilot measurement result of ^.

The radio network controller according to claim 27, wherein the TCP acquisition module is further configured to process the TCPs of the K UEs of the hth downlink slot of the jth carrier in the following manner:

^TCP ^ =∑ k=\ ^{TCPj // _B RU— NUM k _k - ^PathL ° ^{SSi k )} , where:

The number of basic resource unit BRUs occupied by k UEs, and the i subscript represents the current interfering neighboring cell.

 The radio network controller according to claim 28, wherein the priority determining module is further configured to determine, according to the time slot priority according to the TCP, the following formula:

 N

^P J, _h two ^TCP , U, _h

=1 p

 N is the number of interfering neighbor cells, and ^ is the priority of the hth downlink slot of the jth carrier.

 The radio network controller according to claim 27, further comprising: an AOA acquiring module, configured to acquire an AOA of each carrier in each cell in the current RNC and a UE in each slot.

 The radio network controller according to claim 30, wherein the TCP acquisition module is further configured to correct the interference of each time slot according to the GOB pattern according to each carrier and the AOA of the UE in each time slot.

 The radio network controller according to claim 31, wherein the TCP acquisition module is further configured to process the TCPs of the K UEs of the h th downlink slot of the jth carrier in the following manner:

^TCP 'i,j,h,AOA ^{X Directiond} ― Coeff(AOA _ est _ik ) - PathLoss _ik )

, where: 丄 subscript represents the current interfering neighboring cell, "^^—C3⁄4e//^O _e ;) is the shaping gain of the _kth UE relative to the cell i in the GOB pattern; BRU_NUM _k ^ The number of BRUs occupied by the kth UE.

 33. The radio network controller of claim 32, wherein the priority determining module is further configured to determine a slot priority based on TCP, as follows:

^{In P} ji

 p

 N is the number of cells performing interference coordination, and ^ is the priority of the hth downlink time slot of the jth carrier.

 34. The radio network controller of any of claims 21 to 33, further comprising:

a measurement report module, configured to obtain a measurement report reported by the UE; a measurement result module, configured to obtain pilot measurement results of the source cell, the target cell, and other neighboring cells according to the measurement report;

 The interference cell determining module is configured to determine, according to the pilot measurement result, the interference neighboring cell that performs interference coordination.

 The radio network controller according to claim 34, wherein the measurement result module is further configured to: when acquiring the measurement report reported by the UE, obtain the measurement report by using one or a combination of the following manners:

 The measurement report is obtained by the same-frequency event reported by the UE during the handover process, the measurement report is obtained by the inter-frequency event reported by the UE during the handover process, and the measurement report is obtained by the internal measurement event reported by the UE during the handover process.

 The radio network controller according to claim 34, wherein the interfering cell determining module is further configured to: when determining an interfering neighbor cell that performs interference coordination according to the pilot measurement result, determine a neighboring cell i that satisfies the following formula Interfering neighbor cells for interference coordination:

PCCPCH _ RSCP _{T axg etCell} - PCCPCH _ RSCP _0therCell _ ₁ < S where: PCCPCH _ RSCP _{Tw etCell} is the pilot measurement result value of the target cell, and PCCPCH _ RSCPo^c^ is the pilot measurement result value of the neighboring cell ^ The pilot cell and the neighboring cell pilot difference.

 The radio network controller according to claim 34, wherein the interfering cell determining module is further configured to: when the interfering neighboring cell that performs interference coordination according to the pilot measurement result does not include the source cell, increase the source cell In the interference neighboring cell that performs interference coordination.

38, the radio network controller as claimed in claim 37, wherein the interference module is further configured to determine the cell guide pilot source cell CC by dead dead _{_} ^ O ^ geiCe _"- relative threshold switching processing.

A radio network controller, characterized in that the time slot priority is determined by the method according to any one of claims 1 to 18, comprising: a masking module, configured to mask, in the current SDCA time slot priority queue, a DL time slot with a TCP interference value greater than a threshold;

 a first access module, configured to access the UE according to the masked SDCA time slot priority list;

 The speed reduction module is configured to perform a speed reduction on the UE that fails the access, and access the UE after the deceleration according to the masked SDCA time slot priority list;

 The second access module is configured to re-order all UL time slots and DL time slots to obtain a time slot priority list if the access fails after the speed reduction, and then access the UE according to the obtained time slot priority list.

 40. The radio network controller of claim 39, wherein the second access module is configured to:

 All UL time slots and DL time slots are reordered according to the SDCA time slot queuing method; or all UL time slots and DL time slots are reordered according to different service occupied resources.