CN102469566A - Radio resource allocation method and device - Google Patents

Radio resource allocation method and device Download PDF

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CN102469566A
CN102469566A CN2010105432060A CN201010543206A CN102469566A CN 102469566 A CN102469566 A CN 102469566A CN 2010105432060 A CN2010105432060 A CN 2010105432060A CN 201010543206 A CN201010543206 A CN 201010543206A CN 102469566 A CN102469566 A CN 102469566A
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psd
value
rb
number
current value
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CN2010105432060A
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CN102469566B (en
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张庆宏
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中兴通讯股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/08Wireless resource allocation where an allocation plan is defined based on quality criteria
    • H04W72/087Wireless resource allocation where an allocation plan is defined based on quality criteria using requested quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0042Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/006Quality of the received signal, e.g. BER, SNR, water filling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/0406Wireless resource allocation involving control information exchange between nodes
    • H04W72/042Wireless resource allocation involving control information exchange between nodes in downlink direction of a wireless link, i.e. towards terminal

Abstract

The invention relates to a radio resource allocation method and a radio resource allocation device. The method comprises the following steps of: acquiring the maximum value of power spectral density (PSD) of user equipment (UE), and taking the maximum value as an initial value of the PSD; acquiring the minimum value of a resource block (RB) number according to the initial value of the PSD, and taking the minimum valve as an initial value of the RB number; adjusting the initial value of the PSD and the initial value of the RB number according to the quality of service (QoS) requirement of the UE to acquire a final value of the PSD and a final value of the RB number in the data transmission; and constructing a resource allocation signaling according to the final value of the PSD and the final value of the RB number in the data transmission, and transmitting the resource allocation signaling to the UE. By the method and the device, system spectral efficiency can be maximized on the premise that the QoS requirement is met.

Description

无线资源分配方法及装置 Radio resource allocation method and apparatus

技术领域 FIELD

[0001] 本发明涉及无线通信领域,具体而言,涉及一种无线资源分配方法及装置。 [0001] The present invention relates to the field of wireless communications, particularly, to a method and apparatus for radio resource assignment. 背景技术 Background technique

[0002] 无线通信系统中,服务质量OloS,Quality of krvice)和系统吞吐率是无线系统的两个最重要的指标。 [0002] a wireless communication system, quality of service OloS, Quality of krvice) and system throughput are two radio systems the most important indicators. 干扰协调是系统QoS满意度的保障,而干扰协调往往需要牺牲小区(Cell)整体吞吐率来换取Cell边缘吞吐率的提升,进而提高满足整个Cell更多UE的QoS 要求,如何在QoS满足的基础上实现系统吞吐率的最大化一直都是无线通信技术研究的热 Interference coordination is to protect the QoS satisfaction systems, and often require the victim cell interference coordination (Cell) improve the overall throughput in exchange for Cell edge throughput, thus improving QoS to meet the requirements of the entire Cell UE's more, the foundation of how to meet the QoS maximize the realization of system throughput research has been hot wireless communications technology

点ο Point ο

[0003] 以长期演进(LTE,Long Term Evolution)系统为例,在LTE系统进行数据传输时, 将上/下行时频域物理资源组成资源块(Resource Block, RB),作为物理资源单位进行调度与分配。 [0003] In Long Term Evolution (LTE, Long Term Evolution) system as an example, when data transmission in the LTE system, a frequency domain resource block composed of the physical resource (Resource Block, RB), as a physical resource units for scheduling when the uplink / downlink and distribution. 在常规循环前缀(Normal CP,NormalCyclic Prefix)情况下,一个资源块(RB, Resource Block)在频域上包含12个连续的子载波,在时域上包含7个连续的正交频分复用(OFDM)符号,即频域宽度为180kHz,时间长度为0. 5ms。 In a normal cyclic prefix (Normal CP, NormalCyclic Prefix) case, a resource block (RB, Resource Block) contains 12 consecutive subcarriers in the frequency domain, it contains seven consecutive in the time domain Orthogonal Frequency Division Multiplexing (OFDM) symbols, i.e. the frequency domain width of 180kHz, the length of time of 0. 5ms.

[0004] 在LTE上行资源分配中,基站(eNodeB)的上调度器需要为用户分配一定数量的RB、发射功率和选择恰当的调整编码方式(Modulation CodingScheme,MCS)。 [0004] In LTE uplink resource allocation, a scheduler on the base station (eNodeB) RB allocation requires certain number of users, the transmit power adjustment and selection of appropriate coding scheme (Modulation CodingScheme, MCS). 为用户分配的RB数量、发射功率、MCS、QoS与系统吞吐率之间存在着以下关系: RB is the number assigned to the user, transmit power, there is the following relationship between the MCS, QoS and system throughput:

[0005] 单个UE的总功率一定,分配的RB越多,单位RB上的功率越低,对邻区干扰越低, MCS越低,本小区吞吐率越低,该UE的QoS越容易得到满足; [0005] The total power of a single UE is constant, the RB allocation more the lower the power unit on the RB, the lower the neighboring cell interference, the lower the MCS, lower the present cell throughput, QoS of the UE is more easily met ;

[0006] 反之,可以为单个UE分配较少的RB,每个UE的可用功率增加,对邻小区干扰增加, MCS越高,本小区吞吐率越高,该UE的QoS越不容易得到满足; [0006] Conversely, fewer single UE may be assigned the RB, each of the available power of the UE is increased, interference to neighboring cells increases, the higher the MCS, this higher cell throughput, QoS of the UE are less likely to be met;

[0007] 综上LTE系统中依然没有一个很的方法解决QoS满意度与系统吞吐率的矛盾。 [0007] In summary LTE system is still no way to solve a very QoS satisfaction and system throughput of contradictions. 发明内容 SUMMARY

[0008] 本发明要解决的技术问题是提供一种无线资源分配方法及装置,以在满足QoS需求的前提下实现系统频谱效率的最大化。 [0008] The present invention is to solve the technical problem of providing a method and apparatus for radio resource allocation to achieve the spectral efficiency while meeting QoS requirements maximized.

[0009] 为解决以上技术问题,本发明提供了一种无线资源分配方法,该方法包括: [0009] In order to solve the above technical problem, the present invention provides a radio resource allocation, the method comprising:

[0010] 获取用户设备(UE)的功率谱密度(PSD)的最大值,作为PSD初始值; Maximum value acquiring user equipment (UE) power spectral density (PSD) of [0010], PSD as an initial value;

[0011] 根据所述PSD初始值获取资源块(RB)数的最小值,作为RB数初始值; [0011] Gets the minimum number (RB) PSD resource block according to the initial value, the initial value as the number of RB's;

[0012] 根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值; [0012] Service QoS requirement of the UE according to the PSD adjusting the initial value and the initial number of RB's worth of this data transmission to the PSD and the final value of the final number of RB value;

[0013] 根据所述本次数据传输的PSD最终值和RB数最终值构造资源分配信令,并下发给所述UE。 [0013] The present transmission of data to the PSD and the final value of the final value of the number of RB resource allocation signaling structure, and delivers the UE.

[0014]进一步地,所述 PSD 的最大值为Ppreffi = min (PcMAX, PhighestMCS,PMXf。rmInterference),或PcMAX'或PhighestMCS'或PlAXfromInterference' 其中, PperEB为PSD最力1®,ITlin 求取胃中的最々、{^, [0014] Further, the maximum PSD is Ppreffi = min (PcMAX, PhighestMCS, PMXf.rmInterference), or PcMAX 'or PhighestMCS' or PlAXfromInterference 'wherein, PperEB PSD is the most force 1®, ITlin obtaining stomach the most 々, {^

?。 ?. „«为冊的最大发射功率,1\_@^为满足最高阶调整编码方式(MCS)所需的功率谱密度, "<< for the album's maximum transmit power, 1 \ _ ^ @ In order to meet the highest order to adjust the encoding (MCS) required power spectral density,

41 MAXfromInterference 乂J Interference丄1 '》中的最大值'1 Interference Shang MAXfromInterference qe J Interference "maximum value" in the '41 1 1 Interference

为邻小区i的干扰门限,PL' i I is a neighbor cell interference threshold, PL 'i

为邻小区i的路径损耗。 I neighbor cell path loss.

[0015] 进一步地,获取所述RB数初始值所依据的公式为: [0015] Further, obtaining the formula RB number initial value is based on:

ρ ρ

[0016] Nm = mm( f ,U ,其中min表示求取其中的最小值,表示下取 [0016] Nm = mm (f, U, where min represents the minimum value is obtained which, taking represents

J perm _ [_*_! J perm _ [_ * _!

整,P。 Whole, P. mX为UE的最大发射功率,Ppctkb为PSD初始值,Nfflavailable表示可用带宽。 mX is the maximum transmit power of the UE, Ppctkb initial value for the PSD, Nfflavailable indicates the available bandwidth.

[0017] 进一步地,根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值包括: [0017] Further, adjustment of the initial value and the number of RB's initial PSD according to the service requirement of the UE QoS variety of data transmission to this final value and the number of RB's PSD final value comprises:

[0018] (a)根据UE的业务数据速率要求获取本次传输目标传输块大小(TBS),记为TBSKe(luiMient ;根据UE缓冲区状态报告(BSR,Buffer Size Report)获取对应的TBS,记为TBSbse ; [0018] (a) obtaining present transmission of certain transport block size (TBS) the data rate of the UE according to the service request, referred to as TBSKe (luiMient; The UE acquires a corresponding buffer status report (BSR, Buffer Size Report) in TBS, remember as TBSbse;

[0019] (b)根据信道干扰情况和PSD当前值及RB数当前值获取TBS当前值; [0019] (b) acquiring a TBS according to the current value and the current channel interference and the current value of the number of RB the PSD;

[0020] (c)判断所述TBS当前值是否满足TBSbsk彡TBS彡TBSEequirement,若是,将所述PSD 当前值和RB数当前值分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值大于TBSbsk,则将TBS调整为TBSbsk,则将所述PSD当前值和TBSbsk对应的RB数分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值小于TBSKe(luiMent,则否则执行步骤(d); [0020] (c) determining whether the current value satisfies the TBS TBS TBSbsk San San TBSEequirement, if the current value of the PSD and RB values ​​as the number of current data transmission PSD of this final value and final value of the RB number; if the current value is greater than TBS TBSbsk, TBS then adjusted to TBSbsk, then the PSD and the current value of the RB number, respectively corresponding to a PSD TBSbsk present transmission of data and the final value of the final value of the RB number; if the current value is less than TBS TBSKe (luiMent , otherwise, the step (D);

[0021 ] (d)根据调整策略,调整RB数当前值并根据调整后的RB数当前值重新计算PSD当前值,或,调整PSD当前值,并根据调整后的PSD当前值重新计算RB数当前值,转步骤(b)。 [0021] (d) The adjustment strategy adjustment RB current values ​​and in accordance with the number of RB adjusted current value is recalculated PSD current value, or adjustment PSD current value, and recalculate the current value of the PSD after adjustment RB current value, go to step (b).

[0022] 进一步地,步骤(d)中所述RB数当前值的调整范围为所述RB数最小值到系统空闲可用带宽;所述PSD当前值的调整范围为PSD最小值至所述PSD最大值,所述PSD最小值为干扰噪声之和与PSD最大值之间的任意取值。 [0022] Further, step (d) adjusting the range of the current value of the RB number of RB number minimum available bandwidth to the system is idle; adjustment range of the current value to the minimum value of the PSD is PSD maximum PSD value, the minimum value of the interference PSD any value between noise and the PSD max.

[0023] 为解决以上技术问题,本发明还提供了一种无线资源分配装置,该装置包括: [0023] In order to solve the above technical problem, the present invention further provides a radio resource allocation apparatus comprising:

[0024] PSD初始值获取模块,用于确定用户设备(UE)的功率谱密度(PSD)的最大值,作为PSD初始值; [0024] PSD initial value acquiring means for determining the maximum value of the user equipment (UE) power spectral density (PSD) as an initial value of the PSD;

[0025] RB数初始值获取模块,用于根据所述PSD初始值获得资源块(RB)数的最小值,作为RB数初始值; [0025] RB number initial value acquisition module for the minimum number (RB) obtained PSD resource block according to the initial value, the initial value as the number of RB's;

[0026] 自适应模块,根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值; [0026] The adaptation module, service QoS of the UE needs to adjust the initial value and the number of RB PSD according to the initial worth of this data transmission PSD final value of a final value and the number of RB;

[0027] 信令构造输出模块,用于根据所述本次数据传输的PSD最终值和RB数最终值构造资源分配信令,并下发给所述UE。 [0027] The signaling module is configured to output, according to the final value for the current data transmission to the PSD and the final value of the RB number of resource allocation signaling structure, and delivers the UE.

[0028]进一步地,所述 PSD 的最大值为Ppreffi = min (PcMAX, Phighestscs,PMXf。rmInterferen。e),或 [0028] Further, the maximum PSD is Ppreffi = min (PcMAX, Phighestscs, PMXf.rmInterferen.e), or

PcMAX'或PhighestMCS'或PlAXformInterference' 其中, PperEB为PSD最力1®,ITlin 求取胃中的最々、{^, PcMAX 'or PhighestMCS' or PlAXformInterference 'wherein, PperEB PSD is the most force 1®, ITlin strike most 々 stomach, {^,

?。 ?. „«为冊的最大发射功率,1\_@^为满足最高阶调整编码方式(MCS)所需的功率谱密度, "<< for the album's maximum transmit power, 1 \ _ ^ @ In order to meet the highest order to adjust the encoding (MCS) required power spectral density,

1 MAXfromInterference 乂J Interference丄1 '》中的最大值'1 Interference 1 MAXfromInterference qe J Interference Shang ' "maximum value' 1 1 Interference

为邻小区i的干扰门限,PL' i I is a neighbor cell interference threshold, PL 'i

为邻小区i的路径损耗。 I neighbor cell path loss.

[0029] 进一步地,所述RB数初始值获取模块通过以下公式获得所述RB数初始值:[0030] A^=mm(f ,AWraarfJ ,其中min表示求取其中的最小值,表示下取 [0029] Further, the RB number initial value obtaining means for obtaining an initial value of the RB number by the following equation: [0030] A ^ = mm (f, AWraarfJ, where min represents the minimum value is obtained which, taking represents

整,P。 Whole, P. mX为UE的最大发射功率,Ppctkb为PSD初始值,Nfflavailable表示可用带宽。 mX is the maximum transmit power of the UE, Ppctkb initial value for the PSD, Nfflavailable indicates the available bandwidth.

[0031] 进一步地,所述自适应模块包括: [0031] Further, the adaptation module comprises:

[0032] 资源需求确定子模块,用于根据UE的业务数据速率要求获取本次传输目标传输块大小(TBS),记为TB&e_ement ;根据UE缓冲区状态报告(BSR,Buffer Size Report)获取对应的TBS,记为TBSbsk ; [0032] The resource requirement determination sub-module, configured to obtain the current transmission target transport block size (TBS) according to the traffic data rate of the UE request, referred to as TB & e_ement; obtaining a corresponding according to the UE buffer status report (BSR, Buffer Size Report) TBS, referred to as TBSbsk;

[0033] TBS当前值计算子模块,用于根据信道干扰情况和PSD当前值及RB数当前值计算TBS当前值; [0033] The current value calculating sub-module TBS, TBS for calculating a current value according to channel interference and the current value and the current value of the RB number of the PSD;

[0034] 判断子模块,用于判断满足TBSbsk彡TBS彡TB&e_Ment,若是,将所述PSD当前值和RB数当前值分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值大于TBSbsk, 则将TBS调整为TBSbsk,则将所述PSD当前值和TBSbsk对应的RB数分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值小于TBSKe_rement,否则通知所述调整子模块进行调整; [0034] The determination sub-module, for determining meet TBSbsk San TBS San TB & e_Ment, if yes, the PSD of the current value and the number of RB current values ​​as the PSD of this data transmission end value and the number of RB's final value; if TBS current value greater than TBSbsk, TBS then adjusted to TBSbsk, RB number and then the current value of the PSD are as TBSbsk corresponding data transmission PSD of this final value and final value of the number of RB; TBS if the current value is less than TBSKe_rement, otherwise the notification adjustment module adjusts;

[0035] 调整子模块,用于根据调整策略,调整RB数当前值并根据调整后的RB数当前值重新计算PSD当前值,或,调整PSD当前值,并根据调整后的PSD当前值重新计算RB数当前值, 以及将所述PSD当前值和RB数当前值输出至所述TBS当前值计算子模块。 [0035] The adjustment module, configured to adjust the strategy, the current adjustment value RB and recalculate the current value in accordance with the number of RB PSD adjusted current value, or the current PSD adjusting value, and recalculated based on the current value of the adjusted PSD RB number of the current value, the current value and the PSD value of the output current and the number of RB TBS to the current value calculating sub-module.

[0036] 进一步地,所述调整子模块输出的RB数当前值的调整范围为所述RB数最小值到系统空闲可用带宽;所述调整子模块输出的所述PSD当前值的调整范围PSD最小值至所述PSD最大值,所述PSD最小值为干扰噪声之和与PSD最大值之间的任意取值。 [0036] Further, the adjustment range of the current value of the RB number adjustment module is outputted to the minimum value of the RB number of the available bandwidth of the system is idle; the minimum current value of the adjustment range of the PSD of the PSD output adjustment module to a maximum value of the PSD, the PSD is any value between the minimum interference and a noise PSD max.

[0037] 本发明方法和装置确定出UE单位RB上的发射功率上限即PSD上限,此时对邻小区的干扰是系统允许最大值;进而得到由功率因素获得的RB数,即初始RB数目;根据UE的QoS需要,调整UE的RB数目和PSD,从而使得UE的QoS得以满足的基础上尽可能保障系统的频谱效率最高。 [0037] The method and apparatus of the present invention is determined that the transmit power per RB is an upper limit on the UE PSD ceiling i.e., interference to neighboring cells at this time is the allowable maximum system; Further RB number obtained by the power factor is obtained, i.e., an initial number of RB; the UE according to the QoS required, adjust the number of RB and PSD UE such that the UE QoS to guarantee the highest possible spectral efficiency of the system on the basis of meeting.

附图说明 BRIEF DESCRIPTION

[0038] 此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。 [0038] The drawings described herein are provided for further understanding of the present invention, constitute a part of this application, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. 在附图中: In the drawings:

[0039] 图1是本发明实施例1的无线资源调度方法流程图; [0039] FIG. 1 is a flowchart of the wireless resource scheduling method of Example 1 of the embodiment of the present invention;

[0040] 图2是两个小区组网条件下邻区干扰控制示意图; [0040] FIG. 2 is a schematic view of the neighboring two cell interference control network conditions;

[0041] 图3是本发明实施例1中根据UE的业务QoS需求对PSD初始值和RB数初始值进行调整的流程示意图; [0041] FIG. 3 is a schematic diagram of the process of service QoS requirements of UE PSD number initial value and the initial value adjusting RB embodiment of the present invention in Example 1;

[0042] 图4是TBS与MCS和RB数之间的映射关系; [0042] FIG. 4 is a mapping relationship between the MCS and TBS and the number of RB;

[0043] 图5是LTE R8协议中的TBS与MCS和RB数之间的映射关系; [0043] FIG. 5 is a mapping relationship between the MCS and TBS and the number of RB LTE R8 protocol;

[0044] 图6是本发明实施例无线资源调度装置的结构框图。 [0044] FIG. 6 is a block diagram showing radio resource scheduling apparatus according to embodiments of the present invention.

具体实施方式 Detailed ways

[0045] 鉴于无线通信领域的QoS保证与系统吞吐率之间存在的问题,本发明旨在提供一种无线资源分配方法和装置,以实现上行RB分配、功率控制和自适应调制与编码(AMC, Automatic Modulation Code)协调工作,保证系统干扰水平可控进而使得网络性能得以保障、保证最大限度满足UE的QoS要求进而达到用户满意度的最大化、保证在限定的干扰水平下和单个UE QoS满足的前提下实现系统频谱效率的最大化,以解决LTE或LTE-Advanced 系统上行链路RB分配、功率控制和AMC协作不当造成系统性能问题。 [0045] In view of the field of wireless communications between system throughput and guaranteed QoS problems, the present invention aims to provide a radio resource allocation method and apparatus, to achieve the uplink RB allocation, power control and adaptive modulation and coding (AMC , Automatic Modulation Code) coordination, interference level to ensure the system performance is controlled so that the network security further, to ensure that best meet the QoS requirement of the UE and thus maximize customer satisfaction, the level of interference to ensure that a defined and single UE QoS satisfied maximize spectral efficiency of the system under the premise to resolve system performance problems LTE or LTE-Advanced system uplink RB allocation, power control and AMC collaboration improper.

[0046] 本发明先确定出用户设备(UE,User Equipment)单位RB上的发射功率上限即功率谱密度(PSD,Power Spectrum Density)上限,此时对邻小区的干扰是系统允许最大值; 进而得到由功率因素获得的RB数,即初始RB数目;根据UE的QoS需要,调整UE的RB数目和PSD,从而使得UE的QoS得以满足的基础上尽可能保障系统的频谱效率最高;最后根据UE的RB数目和PSD以及物理层测量得到的干扰噪声和(NI,Noise and Interference)预测信道的信干噪比(SINR,Signal Interference Noise Ratio)完成AMC和功率控制。 [0046] The present invention is determined that the first user equipment (UE, User Equipment) on the transmit power per RB is the upper limit i.e. the power spectral density (PSD, Power Spectrum Density) limit, then the interference of the adjacent cell is the allowable maximum system; Further RB number obtained by the power factor is obtained, i.e., an initial number of RB; a UE according to the QoS required, the number of RB and PSD adjustment of the UE, so that the QoS of the UE is satisfied on the basis of the highest possible spectral efficiency security systems; and finally according to the UE SIR and an RB number of the measured PSD and the physical layer of noise and interference (NI, noise and interference) predicting channel noise ratio (SINR, Signal interference noise ratio) to complete the AMC and power control.

[0047] 下文中将结合附图对本发明的实施例进行详细说明。 [0047] below in conjunction with the accompanying drawings of embodiments of the present invention will be described in detail. 需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。 Incidentally, in the case of no conflict, embodiments and features of the embodiments of the present application can be combined with each other.

[0048] 实施例一 [0048] Example a

[0049] 该实施例提供了一种无线资源调度方法,如图1所示,包括如下步骤: [0049] This embodiment provides a radio resource scheduling method, as shown in Figure 1, comprising the steps of:

[0050] 步骤101 :获取用户设备(UE)的功率谱密度(PSD)的最大值,作为PSD初始值; [0050] Step 101: acquiring a user equipment (UE), the maximum value of the power spectral density (PSD) as an initial value of the PSD;

[0051] 以下给出一种根据邻小区干扰门限及路径损耗获取PSD最大值的方法。 [0051] The following presents a method for obtaining the maximum PSD loss neighbor cell interference according to the threshold, and path.

[0052] 初始化邻小区干扰门限,具体的,各邻小区i的干扰门限的取值与小区(Cell)的目标IOTanterference Over Thermal,指测量到的其他小区内所有UE产生的干扰功率与热噪声功率的比值,IOT = (Interference+Noise) /Noise, IOT用于表征上行带宽上测量得到的干扰水平,通常需要对测量结果在时域上平滑,目标IOT往往是经验值,或者 [0052] initialized neighbor cell interference threshold. Specifically, the interference threshold for each neighbor cell i limit value of the cell (the Cell) target IOTanterference Over Thermal, refers to the interference power within other cells measured all UE-generated thermal noise power ratio, IOT = (interference + Noise) / Noise, IOT for characterizing interference levels on the upstream bandwidth measured, the measurements usually require smoothing in the time domain, often experience IOT target, or

采用系统仿真得出)存在以下关系:Σ ^^^—^目^^^1。 Simulation results using) the following relationship: Σ ^^^ - ^ ^ ^ ^ 1 projects.

运邻区ID Transport neighbor ID

[0053] 设,服务小区路径损耗为PL dB,邻小区i的路径损耗为PL' i dB, UE单位RB的发射功率的最大值为Ppctkb,即PSD的初始值为Ppctkb dBm, UE的最大发射功率为P。 [0053] provided, the serving cell path loss PL dB, neighbor cell i is the path loss PL 'i dB, the transmit power of the UE per RB is the maximum value of Ppctkb, i.e. the initial value of Ppctkb dBm PSD, UE maximum transmit power P. MX,满足最高阶MCS (对应UE的最高速率)所需的单位RB上的发射功率(也即,满足最高级MCS所需的功率谱密度)为1 highestMCS , The MX, to meet the required transmit power on the highest-order MCS (corresponding to the highest rate UE) units RB (i.e., MCS required for the most advanced power spectral density) of 1 highestMCS,

[0054] 本实施例中干扰门限约束条件为=Ppcteb-PL' i ( P—山如图2所示,为两个小区组网条件下邻区干扰控制示意。即,Pperiffi ( Pmterferencei+PL' 令PMXft。mIntCTfCTen。e = max(PInterferencei+PL' e邻区ID),max表示取集合中的最大值,需要说明的是,这里的邻小区i以UE当前能够测量到的邻小区为限,则: [0054] Examples interference threshold constraint is = Ppcteb-PL 'i (P- Mountains 2, two neighboring cells under control of a schematic network interference conditions. That is, Pperiffi (Pmterferencei + PL' according to the present embodiment so PMXft.mIntCTfCTen.e = max (PInterferencei + PL 'e neighboring cell ID), max represents the maximum value taken in the collection should be noted that, where the neighbor cell i to UE currently able to measure neighboring cells is limited, then:

[0055] 获取所述PSD的最大值(本实施例中,PSD最大值为PSD的初始值)所依据的公式为: [0055] obtaining a maximum value of the PSD (in this embodiment, PSD maximum PSD of the initial value) is based on the formula:

[0056] Pperffi = min (PcMAX, PhighestMCS,PMAXfromlnterference),其中min (X,y, Ζ),表不在X,1, Z 二者 1, both of Z [0056] Pperffi = min (PcMAX, PhighestMCS, PMAXfromlnterference), wherein min (X, y, Ζ), X table is not

中取最小; Fetch the minimum;

[0057] 步骤102 :根据所述PSD初始值获取资源块(RB)数的最小值,作为RB数初始值; [0057] Step 102: acquiring the minimum number (RB) PSD resource block according to the initial value, the initial value as the number of RB's;

[0058] 获取所述RB数初始值所依据的公式为:[0059] Nrb = mm( ,U ,其中表示下取整,Nfflavailable表示可用带宽; [0058] Gets the RB number initial value is based on the formula: [0059] Nrb = mm (, U, which represents rounding, Nfflavailable represents an available bandwidth;

Figure CN102469566AD00081

[0060] 步骤103 :根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值; [0060] Step 103: the initial worth of this data transmission service QoS of the UE needs to adjust the number of RB's PSD according to the initial value and the final value and the number of RB's PSD final value;

[0061] 根据功率约束、业务需求、信道条件和物理资源的占用情况确定本次数据传输的PSD、MCS,带宽(指RB数,Neb),如图3所示,步骤103具体包括: [0061] The power constraint, service requirements, channel conditions and determines the occupancy of the physical resources of this data transmission PSD, MCS, bandwidth (index RB, Neb), shown in Figure 3, the step 103 specifically comprises:

[0062] (1031)根据UE的业务数据速率要求获取本次传输目标传输块大小(TBS, Transmission Block Size),记为TBSK_rement ;根据UE 缓冲区状态报告(BSR,Buffer Size Report)获取对应的TBS,记为TBSbsk, TBSEequirement < TBSbse ; [0062] (1031) The acquisition target transmission transport block size (TBS, Transmission Block Size) the data rate of the UE according to the service request, referred to as TBSK_rement; The UE acquires a corresponding buffer status report (BSR, Buffer Size Report) in TBS , referred to as TBSbsk, TBSEequirement <TBSbse;

[0063] (1032)根据信道干扰情况和PSD当前值获取UE的MCS,进而根据MCS和RB数当前值获取TBS当前值,依据的公式为: [0063] (1032) The acquisition channel interference and the current value of the UE MCS PSD, then get the current value according to the MCS and TBS number of RB current values, based on formula:

_4] MCS = AMCi^-) Mmm TBS = TBSMapping(MCS, N丄其中AMC( ·)表示細 _4] MCS = AMCi ^ -) Mmm TBS = TBSMapping (MCS, N Shang wherein AMC (·) represents the fine

AMC算法根据输入的Ppctkb和NI获得匹配的MCS,TBSMapping( ·)表示根据输入MCS和RB数获得与之匹配的传输块大小TBS ;Pperffl为UE单位RB的发射功率的初始值;NI为当前信道的干扰噪声之和预估结果,Neb为UE分得的RB数。 AMC algorithm match is obtained according Ppctkb input and NI MCS, TBSMapping (·) represents the obtained matching the transport block size TBS based on the input MCS and the number of RB; Pperffl an initial value of the transmission power of the UE per RB is in; the NI for the current channel the noise and interference estimate result, Neb number of RB UE share.

[0065] 根据MCS和Nkb可以映射出一个TBS此处表示为TBSMapping (MCS,Neb) ; TBS与MCS和RB数目之间的映射关系一般用表格表示,三者已知其中二项即可确定另外一项,如图4所示,给定MCS和^ffi的取值即可通过查表得到TBS。 [0065] may be mapped according to the MCS and TBS Nkb represented here as a TBSMapping (MCS, Neb); generally represented as a table mapping relation between the MCS and TBS and the number of RB, three of which are known to determine two additional a, as shown in Figure 4, and given MCS ^ ffi TBS values ​​can be obtained by table lookup.

[0066] (1033)判断TBS当前值是否满足TBSbsk彡TBS彡TBSEequirement,能满足时不再进行调整,将所述PSD当前值和RB数当前值分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值小于TB&e_Ment,则转(1034),若TBS当前值大于TBSbsk,则将TBS调整为TBSbsk,则将所述PSD当前值和TBSbsk对应的RB数分别作为本次数据传输的PSD最终值和RB数最终值; [0066] (1033) determines whether the present value satisfies TBS TBS TBSbsk San San TBSEequirement, no longer meet the adjustment, the current value of the PSD and the number of RB current values ​​in the present transmission of data and the final value of the number of RB PSD the final value; TBS if the current value is less than TB & e_Ment, the switch (1034), if the current value is greater than TBSbsk TBS, TBS then adjusted to TBSbsk, then the current value and the number of RB PSD TBSbsk respectively corresponding to the present transmission of data PSD final value and final value of the RB number;

[0067] (1034)若系统仍存在空闲可用带宽,优选地,增加RB数重新计算PSD,且新的PSD 大于或等于系统干扰噪声之和,则转(103¾,若RB数不能再增大或PSD不能再减小,则不再进行调整将PSD当前值和RB数当前值作为本次数据传输的PSD最终值和RB数最终值。 [0067] (1034) If the system is idle there is still bandwidth available, it is preferable to increase the number of RB PSD recalculated, and a new PSD equal to or greater than system noise and interference, the switch (103¾, can not be increased if the number of RB or PSD can not be reduced, the PSD is no longer adjust the current value and the current value of the RB number of the current data transmission PSD as a final value of a final value and the number of RB's.

[0068] 优选地,RB数在系统允许范围内,每次调整时增加step个资源块,直到满足业务QoS需求、RB数达到最大值或PSD达到最小值。 [0068] Preferably, RB number of the system within an allowable range, increasing step resource blocks each adjustment, until the business to meet the QoS requirements, RB number reaches a maximum or reaches a minimum PSD.

ρ ρ

[0069]即:若 Nfflavailable 彡'+St印,且^f^NI ,其中st印=1,2,3,···, [0069] That is: if Nfflavailable San '+ St printing, and ^ f ^ NI, wherein the printing st = 1,2,3, ...,

Figure CN102469566AD00082
Figure CN102469566AD00083

[0070] 优选地,RB数当前值的调整范围为所述RB数最小值到系统空闲可用带宽;所述PSD当前值的调整范围为干扰噪声之和至所述PSD最大值。 [0070] Preferably, the range of adjustment, the current value of the RB number of the minimum value of the RB number of the available bandwidth of the system is idle; adjustment range of the current value of the noise and interference PSD to the PSD max.

[0071] 步骤104 :构造资源分配信令并发给UE。 [0071] Step 104: send configuration and resource allocation signaling UE.

[0072] 将上述步骤给出的Nkb当前值,PSD当前值、与之对应的MCS以及带宽分配结果,按照具体协议规定格式构造标准的资源分配信令并发给UE。 [0072] Nkb given the current value of the above-described steps, PSD current value, the corresponding MCS and bandwidth allocation results, according to the specific configuration of the agreement standard format and sent to the resource allocation signaling UE.

[0073] 以上实施例中,对RB数进行调整时,可以灵活设置调整策略,例如步进粒度为固 [0073] In the above embodiment, when the number of RB adjustment, adjustment strategy can be flexibly set, such as a stepper particle size of the solid

Figure CN102469566AD00084

定为2或3,或先随机增加,若能满足业务需求,再进行回调,当当前RB数超过BSR的需要时消减RB数,将能满足业务QoS需求且尽可能小的RB数作为本次数据传输的PSD最终值和RB数最终值。 RB number set at 2 or 3, or random increase first, if business needs, and then call back, reduce the number of RB when RB exceeds the current needs of the BSR, will be able to meet the business needs and QoS as small as possible as this PSD data transmission and the final value of the final value of the number of RB.

[0074] 具体实现时,除了以上根据调整策略,调整RB数当前值并根据调整后的RB数当前值重新计算PSD当前值,还可以根据调整策略调整PSD当前值,并根据调整后的PSD当前值重新计算RB数当前值。 [0074] In specific implementation, in addition to the above according to the adjustment strategy, adjustment RB current values ​​and recalculating PSD current value in accordance with the number of RB adjusted current value can also be adjusted according to policy adjustment PSD current value, according to PSD adjusted current RB value recalculate the current value.

[0075] 实施例二 [0075] Second Embodiment

[0076] 该实施例提供了一种LTE ReleaseS系统中无线资源调度方法,如图1所示,包括如下步骤: [0076] This embodiment provides a system in LTE ReleaseS radio resource scheduling method, as shown in Figure 1, comprising the steps of:

[0077] 步骤201 :获取用户设备(UE)的功率谱密度(PSD)的最大值,作为PSD初始值; [0077] Step 201: acquiring a user equipment (UE), the maximum value of the power spectral density (PSD) as an initial value of the PSD;

[0078] 优选地采用与实施例一相同的方法获得PSD最大值作为初始值。 [0078] Example preferably employed a method of obtaining the same PSD max value as an initial value.

[0079] 可选地,将UE的最大发射功率为P。 [0079] Alternatively, the maximum transmit power of the UE is P. MX,或满足最高阶MCS所需的单位RB上的发射 MX, or to meet the required emission on the highest order MCS unit RB

功率PhighestMCS,或P MAXfromInterference Power PhighestMCS, or P MAXfromInterference

作为PSD最大值。 As PSD max.

[0080] 步骤202 :根据所述PSD初始值获取资源块(RB)数的最小值,作为RB数初始值; [0080] Step 202: acquiring the minimum number (RB) PSD resource block according to the initial value, the initial value as the number of RB's;

[0081] 公式表示为: [0081] formula is expressed as:

ρ ρ

[0082] Nm = mm( ,Nmavailable),其中表示下取整,Nfflavailable 表示可用带宽; [0082] Nm = mm (, Nmavailable), which represents rounding, Nfflavailable represents an available bandwidth;

JperRB _ [_·_] JperRB _ [_ · _]

[0083] 步骤203 :根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值; [0083] Step 203: Service QoS requirement of the UE, and the initial value of the adjustment PSD according to the initial number of RB's worth of data transmission to the PSD of this final value and final value of the number of RB;

[0084] 步骤203具体包括: [0084] Step 203 comprises:

[0085] (2031)根据UE的业务数据速率要求获取本次传输目标TBS,记为TB&e_ement ;根据UE 缓冲区状态报告(BSR,Buffer Size Report)获取对应的TBS,记为TBSbsk,TBSKe_rement < TBSbse ; [0085] (2031) acquires this transmission target TBS according to the service data rate of the UE request, referred to as TB & e_ement; obtaining a corresponding TBS according to the UE buffer status report (BSR, Buffer Size Report), referred to as TBSbsk, TBSKe_rement <TBSbse;

[0086] (2032)根据信道干扰情况和PSD当前值获取UE的MCS,进而根据MCS和RB数当前值获取TBS当前值,依据的公式为: [0086] (2032) The acquisition channel interference and the current value of the UE MCS PSD, then get the current value according to the MCS and TBS number of RB current values, based on formula:

[0087] ^S-AMC^Mmm TBS = TBSMapping(MCS, N丄其中AMC( ·)表示細 [0087] ^ S-AMC ^ Mmm TBS = TBSMapping (MCS, N Shang wherein AMC (·) represents the fine

AMC算法根据输入的Ppctkb和NI获得匹配的MCS,TBSMapping( ·)表示根据输入MCS和RB数获得与之匹配的传输块大小TBS ;Pperffl为UE单位RB的发射功率的初始值;NI为当前信道的干扰噪声之和预估值,Neb为UE分得的RB数。 AMC algorithm match is obtained according Ppctkb input and NI MCS, TBSMapping (·) represents the obtained matching the transport block size TBS based on the input MCS and the number of RB; Pperffl an initial value of the transmission power of the UE per RB is in; the NI for the current channel the noise and interference estimates, Neb number of RB UE share.

[0088] 根据MCS和Nkb可以映射出一个TBS此处表示为TBS = TBSMappmg(MCS,Neb);在LTE Releasee协议TS36213给出了MCS,RB数目到TBS之间的映射关系如图5所示,三者已知其中二项即可确定另外一项,其中Itbs表示本实施例中的MCS,Npkb表示本实例中的Nkb ; [0088] may be mapped according to the MCS and TBS Nkb represented here as a TBS = TBSMappmg (MCS, Neb); in LTE Releasee protocol TS36213 given MCS, RB mapping relationship between the number of TBS to 5, two to three known wherein a further determination, where Itbs MCS in the present embodiment represented embodiment, Npkb Nkb represented in this example;

[0089] (2033)判断当前分配TBS是否满足TBSbsk彡TBS彡TBSEequirement,能满足时不再进行调整,将所述PSD当前值和RB数当前值分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值小于TB&e_Ment,则转Q034),若TBS当前值大于TBSbsk,则将TBS调整为TBSbsk,则将所述PSD当前值和TBSbsk对应的RB数分别作为本次数据传输的PSD最终值和RB数最终值;[0090] (2034)保证PSD大于或等于预设的PSD最小值,的情况下,减小PSD当前值,并重新计算RB数当前值,且RB数不大于系统空闲可用带宽,则转003¾,若PSD不能再减小或RB数不能再增大,则不再进行调整,将PSD当前值和RB数当前值作为本次数据传输的PSD 最终值和RB数最终值。 [0089] (2033) determines whether the current allocation satisfies TBSbsk San TBS TBS San TBSEequirement, no longer meet the adjustment, the current value of the PSD and the number of RB current values ​​in the present transmission of data and the final value of the number of RB PSD the final value; TBS if the current value is less than TB & e_Ment, the switch Q034), if the current value is greater than TBS TBSbsk, TBS then adjusted to TBSbsk, RB number and then the current value of the PSD are as TBSbsk corresponding to this data transmission PSD the final value of the RB number and a final value; the case of [0090] (2034) is greater than or equal to a PSD PSD guaranteed minimum preset, reducing the current PSD value and recalculate the current value of the RB, and the system is no greater than the number of RB idle available bandwidth, then turn 003¾, PSD can not be reduced or if the number of RB can not be increased, then no adjustment, the current value and the PSD value as the number of RB's current PSD present transmission of data and the final value of the final number of RB value.

[0091] RB数当前值的调整范围为所述RB数最小值到系统空闲可用带宽;所述PSD当前值的调整范围为PSD最小值至所述PSD最大值。 [0091] The current value of the adjustment range of the minimum number of RB number of RB's available bandwidth to the system is idle; adjustment range of the current value to the minimum value of the PSD is PSD PSD max.

[0092] 预设的PSD最小值可以为大于干扰噪声之和与PSD最大值之间的任意取值。 [0092] PSD predetermined minimum value may be greater than the interference noise and any value between the maximum value and the PSD.

[0093] 步骤204 :构造标准的资源分配信令并发给UE ; [0093] Step 204: the standard configuration distributed resource allocation signaling and the UE;

[0094] 将上述步骤给出的Nkb、PSD、MCS,转化为协议给定标准的接口信令发送个UE。 [0094] Nkb given in the above step, PSD, MCS, into a given standard interface protocol signaling a UE.

[0095] 在LTE release8中这些标准信令包含MCS、NKB、闭环功率控制参数f(i),其中i表示子帧号, [0095] In LTE release8 comprising these standard signaling MCS, NKB, closed loop power control parameter F (i), where i represents the subframe number,

[0096] f ⑴=Pperffl ⑴-(P0 PUSCH (i) + a · PL+ Δ TF (i)) [0096] f ⑴ = Pperffl ⑴- (P0 PUSCH (i) + a · PL + Δ TF (i))

[0097] 上式中P。 [0097] In the above formula P. PUSQI⑴和α由eNodeB高层配置,PL是UE测量的下行路径损耗, PUSQI⑴ configured by the eNodeB and α level, PL is a downlink path loss measured by the UE,

ATF« = ^1Kyi m ^fS:^5其中,f和Ks由eNodeB高层配置。 ATF «= ^ 1Kyi m ^ fS: ^ 5 wherein, f and configured by the eNodeB level Ks. MPR为单位0 3, Ks=O IjOffset MPR units 0 3, Ks = O IjOffset

资源单元(RE,Resource Element)上承载的信息比特数目。 Number of information bits carried on the resource elements (RE, Resource Element).

[0098] 为了实现以上方法,本发明还提供了一种无线资源调度装置,如图6所示,该装置包括: [0098] To achieve the above methods, the present invention further provides a radio resource scheduling apparatus, shown in Figure 6, the apparatus comprising:

[0099] PSD初始值获取模块,用于确定用户设备(UE)的功率谱密度(PSD)的最大值,作为PSD初始值; [0099] PSD initial value acquiring means for determining the maximum value of the user equipment (UE) power spectral density (PSD) as an initial value of the PSD;

[0100] PSD 的最大值优选地为Ppreffi = min (PcMAX, P [0100] PSD is preferably a maximum Ppreffi = min (PcMAX, P

highestMCS ' ^MAXfromlnterference ),也可以为P。 highestMCS '^ MAXfromlnterference), or may be P. mx, mx,

或PhighestMCS '或PlAXfromInterference' 其中, Or PhighestMCS 'or PlAXfromInterference' wherein,

[0101] 其中,Ppctkb为PSD最大值,min表示求取其中的最小值,P。 [0101] wherein, Ppctkb is PSD max, min represents the minimum value is obtained wherein, P. MX为UE的最大发射 MX is the UE maximum transmit

功率, 1 highestMCS 为满足最高阶调整编码方式(MCS)所需的功率谱密度, 1 MAXfromInterference max (PInterferencei+PL' ie邻区ID),,max表示取集合中的最大值,PInterfCTen。 Power, 1 highestMCS adjusted to meet the highest-order coding scheme (MCS) of the desired power spectral density, 1 MAXfromInterference max (PInterferencei + PL 'ie neighboring ID) ,, max represents the maximum value of the set taken, PInterfCTen. ei为邻小区i 的干扰门限,PL' i为邻小区i的路径损耗。 ei is the interference threshold of the neighbor cell i, PL 'i is the path loss neighbor cell i.

[0102] RB数初始值获取模块,用于根据所述PSD初始值获得资源块(RB)数的最小值,作为RB数初始值; [0102] RB number initial value acquisition module for the minimum number (RB) obtained PSD resource block according to the initial value, the initial value as the number of RB's;

[0103] 所述RB数初始值获取模块通过以下公式获得所述RB数初始值: [0103] The RB number initial value obtaining means for obtaining an initial value of the RB number by the following equation:

[0104] [0104]

Figure CN102469566AD00101

其中min表示取其中的最小值,表示下取 Where min represents a minimum value which, taking represents

整,P。 Whole, P. MAX为UE的最大发射功率,Ppctkb为PSD初始值,Nfflavailable表示可用带宽。 MAX is the maximum transmit power of the UE, Ppctkb initial value for the PSD, Nfflavailable indicates the available bandwidth.

[0105] 自适应模块,根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值; [0105] Adaptation Module Service QoS requirement of the UE, and the initial value of the adjustment PSD according to the initial number of RB's worth of data transmission to the PSD of this final value and final value of the number of RB;

[0106] 进一步地,所述自适应模块包括: [0106] Further, the adaptation module comprises:

[0107] 资源需求确定子模块,用于根据UE的业务数据速率要求获取本次传输目标传输块大小(TBS),记为TB&e_ement ;根据UE缓冲区状态报告(BSR,Buffer Size Report)获取对应的TBS,记为TBSbsk ; [0107] resource requirements determination sub-module, configured to obtain the current transmission target transport block size (TBS) according to the traffic data rate of the UE request, referred to as TB & e_ement; obtaining a corresponding according to the UE buffer status report (BSR, Buffer Size Report) TBS, referred to as TBSbsk;

[0108] TBS当前值计算子模块,用于根据信道干扰情况和PSD当前值及RB数当前值计算TBS当前值; [0108] The current value calculating sub-module TBS, TBS for calculating a current value according to channel interference and the current value and the current value of the RB number of the PSD;

[0109] 判断子模块,用于判断所述TBS当前值是否满足TBSbsk彡TBS彡TBSKe(luiMient,若是, 将所述PSD当前值和RB数当前值分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值大于TBSbsk,则将TBS调整为TBSbsk,则将所述PSD当前值和TBSbsk对应的RB数分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值小于TBSKe_rement,则RB 通知所述调整子模块进行调整; [0109] determining submodule, configured to judge whether the current value satisfies the TBS TBS TBSbsk San San TBSKe (luiMient, if the current value of the PSD and RB values ​​as the number of current data transmission PSD of this final value and RB the final value of the number; if the current value is greater than TBS TBSbsk, TBS then adjusted to TBSbsk, then the PSD and the current value of the RB number, respectively corresponding to a PSD TBSbsk present transmission of data and the final value of the final value of the RB number; if the current TBS value of less than TBSKe_rement, then notify the RB adjustment module adjusts;

[0110] 调整子模块,用于根据调整策略,调整RB数当前值并根据调整后的RB数当前值重新计算PSD当前值,或,调整PSD当前值,并根据调整后的PSD当前值重新计算RB数当前值, 以及将所述PSD当前值和RB数当前值输出至所述TBS当前值计算子模块。 [0110] adjustment module, configured to adjust the strategy, the current adjustment value RB and recalculate the current value in accordance with the number of RB PSD adjusted current value, or the current PSD adjusting value, and recalculated based on the current value of the adjusted PSD RB number of the current value, the current value and the PSD value of the output current and the number of RB TBS to the current value calculating sub-module.

[0111] 所述调整子模块输出的RB数当前值的调整范围为所述RB数最小值到系统空闲可用带宽;所述调整子模块输出的所述PSD当前值的调整范围为PSD的最小值至所述PSD最大值。 [0111] The adjustment module output adjustment range for the current value of the RB number RB to the minimum number of idle available bandwidth of the system; the current value of the adjustment range of the adjustment sub-module outputs the minimum value of the PSD is PSD PSD to the maximum value.

[0112] 所述PSD的最小值为干扰噪声之和与PSD最大值之间的任意取值。 [0112] The minimum value of the PSD is any interference between the noise and the PSD max.

[0113] 信令构造输出模块,用于根据本次数据传输的PSD最终值和RB数最终值构造资源分配信令,并下发给所述UE。 [0113] signaling module configured to output, for a final PSD value based on the current data transmission and the final value of the number of RB resource allocation signaling structure, and delivers the UE.

[0114] 本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序来指令相关硬件完成,所述程序可以存储于计算机可读存储介质中,如只读存储器、磁盘或光盘等。 [0114] Those of ordinary skill in the art will be appreciated that the above-described method may be all or part of the steps by a program instructing relevant hardware is completed, the program may be stored in a computer-readable storage medium, such as read only memory, etc., magnetic or optical disk. 可选地,上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现。 Alternatively, all or part of the steps of the above-described embodiments may be implemented using one or more integrated circuits. 相应地,上述实施例中的各模块/单元可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。 Accordingly, each module / unit in the above-described embodiments may be implemented in the form of hardware, software functional modules may also be implemented. 本发明不限制于任何特定形式的硬件和软件的结合。 The present invention is not limited to any specific combination of hardware and software form.

[0115] 本发明可以保证每个用户对邻区的理论干扰水平可控,进而可以保证小区干扰水平可控;在此理论干扰水平之下,有效权衡系统频谱效率最高与服务质量(QoS,Quality of service)保障之间关系,从而使得RB分配、功率控制、AMC与QoS保障有机的集合起来,实现用户满意度的最大化。 [0115] The present invention can ensure that each user on the interference level of the neighboring controllable Theory, and further can ensure controlled cell interference level; interference level below this theory, the most efficient tradeoffs between spectral efficiency and quality of service (QoS, Quality of the relationship between service) protection, so that the RB assignment, power control, and the organic AMC set up QoS guarantee, to maximize user satisfaction.

[0116] 本发明方法能够有效控制小区的噪声水平进而使得网络性能得以保障、能够最大限度满足UE的QoS要求进而达到用户满意度的最大化、能够在限定的干扰水平下UE的QoS 满足的前提下实现系统频谱效率的最大化。 [0116] The method of the present invention can effectively control the noise level of the cell so that the network performance is further guaranteed to maximize UE meet QoS requirements and thus maximize customer satisfaction, the UE can be defined in the interference level satisfies QoS precondition under maximize spectral efficiency of the system.

Claims (10)

1. 一种无线资源分配方法,其特征在于,该方法包括:获取用户设备(UE)的功率谱密度(PSD)的最大值,作为PSD初始值; 根据所述PSD初始值获取资源块(RB)数的最小值,作为RB数初始值; 根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD 最终值和RB数最终值;根据所述本次数据传输的PSD最终值和RB数最终值构造资源分配信令,并下发给所述UE。 1. A radio resource allocation method, characterized in that, the method comprising: obtaining a user equipment (UE), the maximum value of the power spectral density (PSD) as an initial value PSD; obtaining resource block (RB PSD according to the initial value ) minimum value as an initial value of the RB number; service QoS requirement of the UE according to the PSD adjusting the initial value and the number of RB's worth of this initial data transmission PSD final value of a final value and the number of RB; according to the data of this time transmission PSD final value and final value of the number of RB resource allocation signaling structure, and delivers the UE.
2.如权利要求1所述的方法,其特征在于:所述PSD的最大值为PpreEB 一m^n (PcMAX,PhighestMCS' PlAXformlnterference),或PcMAX'或PhighestMCS' 或PlAXfromInterference'其中,PperEB 为PSD最大值,min表示求取其中的最小值,P。 2. The method according to claim 1, wherein: the maximum PSD is a PpreEB m ^ n (PcMAX, PhighestMCS 'PlAXformlnterference), or PcMAX' or PhighestMCS 'or PlAXfromInterference' wherein, PperEB maximum PSD is value, min is obtained which represents the minimum value, P. MX为UE的最大发射功率, 1 highestMCS 为满足最高阶调整编码方式(MCS)所需的功率谱密度,PMXfr。 MX is the maximum transmit power of the UE, 1 highestMCS adjusted to meet the highest-order coding scheme (MCS) of the desired power spectral density, PMXfr. mInterfermce为(Plnterferencei+PL'中的最大值,PlnterferenceI为邻小区i的干扰门限,PL',为邻小区i的路径损耗。 mInterfermce is (Plnterferencei + PL 'maximum value, PlnterferenceI of neighbor cell interference threshold i, PL', a path loss neighbor cell i.
3.如权利要求1所述的方法,其特征在于,获取所述RB数初始值所依据的公式为: ρ 3. The method according to claim 1, wherein acquiring the RB number initial value formula is based is: ρ
Figure CN102469566AC00021
其中min表示求取其中的最小值,表示下取整, PclAX为UE的最大发射功率, 丄perRB 为PSD初始值,NRBavailable 表示可用带宽。 Where min represents a minimum value is obtained which represents the rounding, PclAX maximum transmit power of the UE, Shang perRB initial value for the PSD, NRBavailable indicates the available bandwidth.
4.如权利要求1所述的方法,其特征在于,根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值包括:(a)根据UE的业务数据速率要求获取本次传输目标传输块大小(TBS),记为TBSKe(luiMient ;根据UE缓冲区状态报告(BSR,Buffer Size Report)获取对应的TBS,记为TBSbse ;(b)根据信道干扰情况和PSD当前值及RB数当前值获取TBS当前值;(c)判断所述TBS当前值是否满足TBSbsk彡TBS彡TBSEequirement,若是,将所述PSD当前值和RB数当前值分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值大于TBSbsk,则将TBS调整为TBSbsk,则将所述PSD当前值和TBSbsk对应的RB数分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值小于TBSKe_rement,则否则执行步骤(d);(d)根据调整策略,调整RB数当前值并根据调整后的RB数当前值重新计算PSD当前值,或, 4. The method according to claim 1, characterized in that the worth of this data transmission PSD to a final value of a final value and the number of RB includes service QoS of the UE according to the needs and adjust the initial value of the number of RB PSD Initial: (a ) Get this transport block size of the target transmission data rate of the UE according to the service requirements (TBS), referred to as TBSKe (luiMient; the UE buffer status report (BSR, buffer size report) corresponding to the acquired TBS, referred to as TBSbse; (b ) acquiring a TBS according to the current value and the current channel interference and the current value of the number of RB PSD; (C) determining a current value satisfies the TBS TBS TBSbsk San San TBSEequirement, if the current value of the PSD and the number of RB current values the PSD as data transmission and the number of RB's of the final value of a final value; if the current value is greater than TBS TBSbsk, TBS then adjusted to TBSbsk, RB number and then the current value of the PSD are as TBSbsk corresponding to this data transmission PSD the final value of the number of RB final value; if TBS current value is less than TBSKe_rement, the otherwise step (d); (d) the adjustment strategy adjustment RB current values ​​and the number of RB adjusted current value is recalculated based on the current value of the PSD, or, 整PSD当前值,并根据调整后的PSD当前值重新计算RB数当前值,转步骤(b)。 PSD integral current value and recalculate the current value of the RB PSD adjusted according to the current value, go to step (b).
5.如权利要求4所述的方法,其特征在于,步骤(d)中所述RB数当前值的调整范围为所述RB数最小值到系统空闲可用带宽;所述PSD当前值的调整范围为PSD最小值至所述PSD最大值,所述PSD最小值为干扰噪声之和与PSD最大值之间的任意取值。 5. The method according to claim 4, wherein step (d) adjusting the range of the current value of the RB number of RB number minimum available bandwidth to the system is idle; adjustment range of the current value of the PSD the PSD is PSD minimum value to a maximum value, the minimum value of the interference PSD any value between noise and the PSD max.
6. 一种无线资源分配装置,其特征在于,该装置包括:PSD初始值获取模块,用于确定用户设备(UE)的功率谱密度(PSD)的最大值,作为PSD 初始值;RB数初始值获取模块,用于根据所述PSD初始值获得资源块(RB)数的最小值,作为RB 数初始值;自适应模块,根据所述UE的业务QoS需求调整PSD初始值和RB数初始值得到本次数据传输的PSD最终值和RB数最终值;信令构造输出模块,用于根据所述本次数据传输的PSD最终值和RB数最终值构造资源分配信令,并下发给所述UE。 A radio resource allocation apparatus, wherein, the apparatus comprising: an initial value acquisition module PSD, the maximum value for determining a user equipment (UE) power spectral density (PSD) as an initial value of the PSD; the RB number initial value acquiring module, for the minimum number (RB) obtained PSD resource block according to the initial value, the initial value as the number of RB; adaptation module, and adjusting the initial value of the number of RB PSD according to the service requirement of the UE QoS initial worth the data transmission PSD to a final value of a final value and the number of RB; signaling module configured to output, for said data transmission PSD of this final value and final value of the RB number of resource allocation signaling in accordance configured, and delivers the said UE.
7.如权利要求6所述的装置,其特征在于:所述PSD的最大值为PpreEB 一m^n (PcMAX,PhighestMCS' PlAXformlnterference),或PcMAX'或PhighestMCS' 或PlAXfromInterference'其中,PperEB 为PSD最大值,min表示求取其中的最小值,P。 7. The apparatus according to claim 6, wherein: the maximum PSD is a PpreEB m ^ n (PcMAX, PhighestMCS 'PlAXformlnterference), or PcMAX' or PhighestMCS 'or PlAXfromInterference' wherein, PperEB maximum PSD is value, min is obtained which represents the minimum value, P. MX为UE的最大发射功率, 1 highestMCS 为满足最高阶调整编码方式(MCS)所需的功率谱密度,PMXfr。 MX is the maximum transmit power of the UE, 1 highestMCS adjusted to meet the highest-order coding scheme (MCS) of the desired power spectral density, PMXfr. mInterfermce为(Plnterferencei+PL'中的最大值,PlnterferenceI为邻小区i的干扰门限,PL',为邻小区i的路径损耗。 mInterfermce is (Plnterferencei + PL 'maximum value, PlnterferenceI of neighbor cell interference threshold i, PL', a path loss neighbor cell i.
8.如权利要求6所述的装置,其特征在于:所述RB数初始值获取模块通过以下公式获得所述RB数初始值: 8. The apparatus according to claim 6, wherein: the RB number initial value obtaining means for obtaining an initial value of the RB number by the following equation:
Figure CN102469566AC00031
其中min表示求取其中的最小值,表示下取整, PclAX为UE的最大发射功率, 丄perRB 为PSD初始值,NRBavailable 表示可用带宽。 Where min represents a minimum value is obtained which represents the rounding, PclAX maximum transmit power of the UE, Shang perRB initial value for the PSD, NRBavailable indicates the available bandwidth.
9.如权利要求6所述的装置,其特征在于,所述自适应模块包括:资源需求确定子模块,用于根据UE的业务数据速率要求获取本次传输目标传输块大小(TBS),记为TBSKe(luiMent ;根据UE缓冲区状态报告(BSR,Buffer Size Report)获取对应的TBS,记为TBSbsk ;TBS当前值计算子模块,用于根据信道干扰情况和PSD当前值及RB数当前值计算TBS 当前值;判断子模块,用于判断满足TBSBSK彡TBS彡TBSEequirement,若是,将所述PSD当前值和RB 数当前值分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值大于TBSBSK, 则将TBS调整为TBSbsk,则将所述PSD当前值和TBSbsk对应的RB数分别作为本次数据传输的PSD最终值和RB数最终值;若TBS当前值小于TBSKe_rement,否则通知所述调整子模块进行调整;调整子模块,用于根据调整策略,调整RB数当前值并根据调整后的RB数当前值重新计算PSD当前值,或 9. The apparatus according to claim 6, wherein the adaptation module comprises: determining resource requirements sub-module, configured to obtain the transmission target of this transport block size (TBS) according to the service requirements of the data rate of the UE, denoted is TBSKe (luiMent; the UE acquires a corresponding buffer status report (BSR, buffer Size report) in TBS, referred to as TBSbsk; TBS current value calculating sub-module, for computing channel interference and the current value and the current value of the RB number PSD TBS current value; determining submodule, configured to judge meet TBSBSK San TBS San TBSEequirement, if the current value of the PSD and RB values ​​as the number of current data transmission PSD of this final value and final value of the RB number; if the current TBS values ​​greater than TBSBSK, TBS then adjusted to TBSbsk, RB number and then the current value of the PSD are as TBSbsk corresponding data transmission PSD of this final value and final value of the number of RB; TBS if the current value is less than TBSKe_rement, or notification said adjustment module adjusts; adjustment module, configured to adjust the strategy, the current adjustment value RB and recalculate the current value in accordance with the number of RB PSD adjusted current value, or 调整PSD当前值,并根据调整后的PSD当前值重新计算RB数当前值,以及将所述PSD当前值和RB数当前值输出至所述TBS当前值计算子模块。 PSD adjusting the current value, and recalculate the current value of the RB number, and the current value of the PSD and the number of RB's to the current value of the output current value calculating sub-module TBS PSD adjusted according to the current value.
10.如权利要求9所述的装置,其特征在于,所述调整子模块输出的RB数当前值的调整范围为所述RB数最小值到系统空闲可用带宽;所述调整子模块输出的所述PSD当前值的调整范围PSD最小值至所述PSD最大值,所述PSD最小值为干扰噪声之和与PSD最大值之间的任意取值。 10. The apparatus according to claim 9, characterized in that, the adjustment range of the adjustment value of the RB number of the current output sub-module is the minimum number of RB's idle bandwidth available to the system; the adjustment of the sub-module output adjustment range of the current value to the minimum value of the PSD of said PSD PSD max, the minimum value of the interference PSD any value between noise and the PSD max.
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