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WO2011144004A1 - 一种支持vamos技术的无线资源管理方法和装置 - Google Patents

一种支持vamos技术的无线资源管理方法和装置 Download PDF

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WO2011144004A1
WO2011144004A1 PCT/CN2011/073670 CN2011073670W WO2011144004A1 WO 2011144004 A1 WO2011144004 A1 WO 2011144004A1 CN 2011073670 W CN2011073670 W CN 2011073670W WO 2011144004 A1 WO2011144004 A1 WO 2011144004A1
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subchannel
sacch
channel
frame
vamos
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French (fr)
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王东
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management

Definitions

  • the present invention relates to a voice service over Adaptive Multi-user channels on One Slot (VAMOS) in a Global System of Mobile communications (GSM) network.
  • VAMOS Adaptive Multi-user channels on One Slot
  • GSM Global System of Mobile communications
  • VAMOS technology is one of them.
  • the core idea of VAMOS is to increase the efficiency of spectrum utilization and the capacity of the entire system by simultaneously carrying two or more users on one GSM time slot.
  • VAMOS Voice-over-Mobile Service
  • a GSM channel carrying more than one active mobile station MS (Mobile Station) at the same time is called a VAMOS channel.
  • the application of VAMOS technology provides more wireless channel resources for the system, but at the same time increases mutual interference between users at the same time, and this interference must be the strongest co-channel interference, resulting in a decline in signal reception quality, so it needs to be very good.
  • the receiver of the interference cancellation technique cooperates to introduce a relatively high manufacturing cost mobile device.
  • the VAMOS system also needs to support the traditional MS. Therefore, if the traditional GSM system Radio Resource Management (RRM) algorithm can be improved, the efficiency of wireless resource utilization can be effectively improved, thereby increasing the network capacity.
  • RRM Radio Resource Management
  • the Slow Associated Control Channel is a dedicated signaling channel accompanying the Traffic Channel (TCH), such as a test report for transmitting the signal strength received by the mobile station with respect to the serving cell and neighboring cells. It is vital that the mobile station participates in the handover function. Therefore, the performance of SACCH is directly related to the quality of network services, and its transmission quality must be guaranteed.
  • TCH Traffic Channel
  • a half rate TCH/HS channel is taken as an example, as shown in FIG. 1, where T is a traffic channel and S is a SACCH channel.
  • T is a traffic channel
  • S is a SACCH channel.
  • the SACCH channel has no discontinuous transmission (Discontinuous Transmission, DTX) mechanism, it can be seen that the SACCH signals of ul, u3 or u2, u4 are co-channel interference with each other, and such interference is inevitable or reduced.
  • Um and u3 are called common VAMOS channel interference users, which are mutual channel interference;
  • u2 and u4 are called common VAMOS channel interference users, which are mutual channel interference.
  • the SACCH frame positions of u3 and u4 in the second VAMOS subchannel are advanced by 6 frames and 7 frames, respectively, and moved to As shown in Figure 2, the ul and u2 service subchannels can be used to improve the performance of the SACCH channel after the introduction of the VAMOS.
  • the SACCH channel may also be subject to other interference, and its performance can be further improved. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a radio resource management method and apparatus supporting the VAMOS technology to improve the performance of the SACCH channel.
  • the present invention provides a radio resource management method for supporting a multiplexed single-slot adaptive multi-user channel bearer voice service technology, including:
  • VAMOS adaptive multi-user channel bearer voice service
  • the VAMOS channel includes a first subchannel and a second subchannel
  • the VAMOS channel includes a first subchannel and a second subchannel
  • the method further includes: acquiring some or all of the SACCH frame positions in the first subchannel, denoted as F SACCH , and acquiring some or all of the SACCH frame positions in the second subchannel, denoted as SF SACCH ;
  • the reducing the traffic channel power of the user of the VAMOS channel in the frame comprises: reducing a traffic channel power of the first subchannel user SF SACCH frame;
  • the traffic channel power of the F- th SACCH frame of the second sub-channel user is reduced.
  • the acquiring part or all of the SACCH frame positions in the first subchannel is acquiring part or all of the SACCH frame positions in the first subchannel in one mapping period;
  • Obtaining part or all of the SACCH frame positions in the second subchannel is to obtain a part or all of the SACCH frame positions in the second subchannel in a mapping period;
  • the reducing the traffic channel power of the user in the frame in the common VAMOS channel includes: Reducing the traffic channel power of the first sub-channel user SFSACCH frame in part or all of the mapping period;
  • the traffic channel power of the second FSACCH frame of the second subchannel user in part or all of the mapping period is reduced.
  • the first subchannel is a conventional VAMOS subchannel
  • the second subchannel is a VAMOS subchannel that opens an offset SACCH mode
  • the method further includes: monitoring an offset SACCH mode of the second subchannel, updating a value of the SFSACCH when the second subchannel changes its offset SACCH mode; lowering an updated SF of the first subchannel user Traffic channel power of the SACCH frame.
  • the degree of reducing the traffic channel power is determined according to the common VAMOS channel user power level, or is determined according to system simulation, or according to a radio resource management policy.
  • the reducing the traffic channel power of the user of the VAMOS channel in the frame comprises: reducing a traffic channel power of the user of the VAMOS channel to 0 in the frame.
  • the invention provides a radio resource management device supporting VAMOS technology, which is located at a base transceiver station.
  • the RRC device is configured to: when a frame of a subchannel of a VAMOS channel is mapped with a traffic channel, and a same frame of another subchannel of the VAMOS channel is mapped with a SACCH channel, the user sharing the VAMOS channel is reduced Traffic channel power for this frame.
  • the radio resource management apparatus is configured to: acquire some or all of the SACCH frame positions in the first subchannel, denoted as F SACCH , and acquire some or all SACCH frame positions in the second subchannel, which are denoted as SFSACCH; Traffic channel power of a subchannel user SF SACCH frame; reducing traffic channel power of a second subchannel user F SACCH frame, the first subchannel and the second subchannel being two subchannels included in the VAMOS channel.
  • the radio resource management device is configured to: Obtaining part or all of the SACCH frame positions in the first subchannel in one mapping period; acquiring some or all of the SACCH frame positions in the second subchannel in one mapping period;
  • the traffic channel power of the first subchannel user SF SACCH frame in part or all of the mapping period is reduced; and the traffic channel power of the second subchannel user F SACCH frame in part or all of the mapping period is reduced.
  • the radio resource management device is further configured to: when the second subchannel is open offset
  • the VAMOS subchannel of the SACCH mode when the first subchannel is another subchannel of the VAMOS channel, monitoring the offset SACCH mode of the second subchannel, and updating when the second subchannel changes its offset SACCH mode
  • the value of the SF SACCH ; the traffic channel power of the SFSACCH frame after the first subchannel user update is reduced.
  • the radio resource management apparatus is configured to: according to the common VAMOS channel user power level, or according to a system simulation, or according to a radio resource management policy, the degree of reducing the traffic channel power.
  • the RRC device is configured to: reduce the traffic channel power of the user in the frame to 0 by the VAMOS channel.
  • the possible common VAMOS channel interference is reduced or even completely eliminated for the SACCH frame of the user of the VAMOS channel, and when the traffic channel power of the FSACCH or SFSACCH is reduced to 0, the SACCH channel of the frame can be modulated by GMSK. 100% maximum channel power transmission, which can guarantee the performance of SACCH, which brings about the enhancement of VAMOS network capacity.
  • Figure 1 is a schematic diagram of a VAMOS network using a conventional GSM frame structure
  • FIG. 2 is a schematic diagram of a VAMOS network using a shifted SACCH frame structure
  • FIG. 3 is a flowchart of a method for managing a radio resource according to an embodiment of the present invention. Preferred embodiment of the invention
  • the shifted SACCH can improve the SACCH performance by using the DTX time of another VAMOS subchannel user, the other subchannel user is in a traffic channel transmission state, and the radio channel condition is poor, such as away from the base station or In the shadow area of the signal, as shown in Figure 2, at the 6th frame, the ul's T is full power and there is no DTX.
  • the SACCH of u3 is However, it will be subject to strong interference, which affects the transmission of user service signaling. The degradation of SACCH quality will inevitably lead to a decrease in network capacity.
  • the shifted SACCH mode refers to a mode in which a SACCH frame of a VAMOS channel user (refer to a frame mapped with a SACCH channel) is mapped to an unconventional location.
  • the core idea of the present invention is: when one frame of a subchannel of a VAMOS channel is mapped with a traffic channel, and the same frame of another subchannel of the VAMOS channel is mapped with a SACCH channel, the user sharing the VAMOS channel is reduced in the frame. Traffic channel power.
  • the traffic channel power of all frames simultaneously mapped with the traffic channel and the SACCH channel may be adjusted, or only the traffic channel power of a frame partially mapped with the traffic channel and the SACCH channel may be adjusted.
  • the VAMOS channel includes a first subchannel and a second subchannel, the first subchannel is a conventional VAMOS subchannel, and the second subchannel is a VAMOS subchannel in which the shifted SACCH mode is enabled; or, the first subchannel and the second subchannel are both turned on.
  • the shifted SACCH mode is not limited in the present invention.
  • FSACCH Obtaining part or all of the SACCH frame positions in the first subchannel, denoted as FSACCH, acquiring some or all SACCH frame positions in the second subchannel, denoted as SFSACCH; lowering the first subchannel user
  • the traffic channel power of the SFSACCH frame; the traffic channel power of the second FSACCH frame of the second subchannel user is reduced.
  • the radio resource management is performed by using the mapping period as a period, and only part or all of the SACCH frame positions in the first subchannel in one mapping period are obtained, which is recorded as FSACCH, and some or all SACCHs in the second subchannel in one mapping period are obtained.
  • the frame position denoted as SFSACCH; reduces the traffic channel power of the first sub-channel user SFSACCH frame in part or all of the mapping period; reduces the traffic channel power of the second sub-channel user FSACCH frame in part or all of the mapping period.
  • the degree of reducing the traffic channel power may be determined according to a common VAMOS channel user power level, or may be obtained by system simulation, or may be formulated by other Radio Resource Management (RRM) policies.
  • RRM Radio Resource Management
  • An alternative is to adjust the traffic channel frame power to 0, that is, to close the frame traffic channel. In this way, the system capacity is enhanced by sacrificing a service frame in exchange for a quality-guaranteed SACCH channel.
  • the second subchannel is a VAMOS subchannel in which the VAMOS user of the shifted SACCH mode is turned on
  • the first subchannel is a VAMOS subchannel in which the shifted SACCH mode is not enabled
  • the second subchannel Shifted SACCH mode is changed, when the second subchannel Shifted SACCH mode is changed, the adjustment is performed.
  • SFSACCH value repeat In the above step, the traffic channel power of the SFSACCH frame after the update of the first subchannel user is reduced.
  • the method control body is a Base Transceiver Station (BTS).
  • the method for the radio resource management method of the present invention includes:
  • Step 301 The BTS detects that the second subchannel of a certain VAMOS channel is turned on.
  • Step 302 The BTS obtains a shifted SACCH mode of the second subchannel of the VAMOS channel, where the shifted SACCH mode moves the mapping position of the SACCH frame in a mapping period (including 26 frames) from the F SACCH frame to the frame.
  • the SF SACCH frame, the mapping position of the traditional SACCH frame in one mapping period (including 26 frames) is recorded as FSACCH, and the values of FSACCH and SFSACCH are obtained;
  • Step 303 The BTS lowers the second sub-channel user FSACCH frame of the VAMOS channel Traffic channel power;
  • Step 304 The BTS decreases the service channel power of the first SFSACCH frame of the first subchannel user of the VAMOS channel.
  • Step 305 The BTS monitors whether the changed SACCH mode of the second subchannel is changed, if yes, step 306 is performed, otherwise monitoring continues;
  • Step 306 The BTS updates the SFSACCH value according to the new shifted SACCH mode, and proceeds to the step.
  • the method of the present invention reduces the interference to the SACCH channel and reduces the system performance by reducing the traffic channel power of the same frame mapped to the SACCH channel.
  • the method and device for supporting radio resource management of the multiplexed single-slot adaptive multi-user channel bearer voice service technology reduces the interference to the SACCH channel by reducing the traffic channel power mapped to the same frame of the SACCH channel, and improves System performance.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

一种支持 VAMOS技术的无线资源管理方法和装置
技术领域
本发明涉及一种在全球移动通信系统 （ Global System of Mobile communications , GSM )网络中， 支持复用单时隙自适应多用户信道承载语音 业务 ( Voice services over Adaptive Multi-user channels on One Slot, VAMOS) 技术的无线资源管理方法和装置。 背景技术
随着人们对移动语音业务的需求的增加， 移动无线资源越来越紧张， 进 而出现了许多提高频谱利用效率的技术， VAMOS技术是其中一种。 VAMOS 的核心思想就是通过在一个 GSM时隙上同时承载两个或多个用户 ,从而提高 了频谱的利用效率和整个系统的容量。
利用 VAMOS技术， 同时承载多于一个激活移动台 MS ( Mobile Station ) 的 GSM信道称为 VAMOS信道。 应用 VAMOS技术， 为系统提供了更多的 无线信道资源， 但同时会增加同时隙用户间的相互干扰， 且这个干扰必定是 最强的同频干扰， 造成信号接收质量下降， 因此需要很好的干扰消除技术的 接收机配合， 从而引入了相对高制造成本的移动设备。 但同时 VAMOS系统 还需要支持传统的 MS, 因此如果能改进传统 GSM系统无线资源管理（ Radio Resource Management , RRM )算法， 可以有效地提高无线资源利用效率， 从 而提高网络容量。
慢速随路控制信道（SACCH )是一种伴随着业务信道（TCH ) 的专用信 令信道， 如用于传送移动台接收到的关于服务小区及邻近小区的信号强度的 测试报告， 这对实现移动台参与切换功能是至关重要的。 因此 SACCH的性 能直接关系到网络服务质量的好坏， 其传输质量必须要保证。
按照传统的 GSM 26帧映射结构，对于 VAMOS网络，以半速率 TCH/HS 信道为例， 如图 1所示， 其中 T为业务信道， S为 SACCH信道。 当四个半速 率（HR )用户 ul— u4复用到一个 VAMOS信道上时， ul、 u2是传统用户， 按照传统方式复用一个 TDMA帧， 处于第一 VAMOS子信道； u3、 u4共用 TDMA帧， 处于第二 VAMOS子信道。 由于 SACCH信道没有不连续发射 ( Discontinuous Transmission, DTX )机制，可以看到 ul、u3或 u2、u4的 SACCH 信号互为同频干扰， 且这种干扰不可避免或降低。 将 ul、 u3称为共 VAMOS 信道干扰用户， 它们互为共信道干扰； 将 u2、 u4称为共 VAMOS信道干扰用 户， 它们互为共信道干扰。
在引入偏移（ shifted ) SACCH之后，如图 2所示，在这种 shifted SACCH 模式下， 处于第二 VAMOS子信道的 u3、 u4的 SACCH帧位置被分别提前了 6帧和 7帧， 移动到了如图 2所示位置， 这样就可以利用 ul、 u2业务子信道 可以 DTX的特点， 改善由于引入 VAMOS后 SACCH信道性能降低的情况。 但是， SACCH信道还可能受到其他干扰， 其性能还可进一步改进。 发明内容
本发明要解决的技术问题是提供一种支持 VAMOS技术的无线资源管理 方法和装置， 提高 SACCH信道性能。
为了解决上述技术问题， 本发明提供了一种支持复用单时隙自适应多用 户信道承载语音业务技术的无线资源管理方法， 包括：
当复用单时隙自适应多用户信道承载语音业务（ VAMOS )信道的一子信 道的一帧映射有业务信道， 且该 VAMOS信道的另一子信道的同一帧映射有 慢速随路控制信道即 SACCH信道时， 降低共该 VAMOS信道的用户在该帧 的业务信道功率。
优选地， 所述 VAMOS信道包括第一子信道和第二子信道；
所述 VAMOS信道包括第一子信道和第二子信道；
所述方法还包括： 获取第一子信道中部分或所有 SACCH帧位置， 记为 FSACCH, 获取第二子信道中部分或所有 SACCH帧位置， 记为 SFSACCH ;
所述降低共该 VAMOS信道的用户在该帧的业务信道功率包括： 降低第一子信道用户第 SFSACCH帧的业务信道功率； 以及
降低第二子信道用户第 FSACCH帧的业务信道功率。
优选地， 所述获取第一子信道中部分或所有 SACCH帧位置是获取一个 映射周期内第一子信道中部分或所有 SACCH帧位置； 所述获取第二子信道中部分或所有 SACCH帧位置是获取一个映射周期 内第二子信道中部分或所有 SACCH帧位置； 所述降低共该 VAMOS信道的用户在该帧的业务信道功率包括： 降低部分或全部映射周期内第一子信道用户第 SFSACCH帧的业务信道 功率； 以及
降低部分或全部映射周期内第二子信道用户第 FSACCH帧的业务信道功 率。
优选地， 所述第一子信道为传统 VAMOS子信道， 所述第二子信道为开 启偏移 SACCH模式的 VAMOS子信道；
所述方法还包括： 监视所述第二子信道的偏移 SACCH模式， 当所述第 二子信道改变其偏移 SACCH模式时， 更新 SFSACCH的值； 降低第一子信道用 户更新后的第 SF SACCH帧的业务信道功率。
优选地， 在所述降低业务信道功率的过程中， 所述降低业务信道功率的 程度根据所述共 VAMOS信道用户功率等级制定， 或者根据系统仿真制定， 或者根据无线资源管理策略制定。
优选地，所述降低共该 VAMOS信道的用户在该帧的业务信道功率包括： 降低共该 VAMOS信道的用户在该帧的业务信道功率至 0。
本发明一种支持 VAMOS技术的无线资源管理装置， 位于基站收发信台 上，
所述无线资源管理装置， 用于当 VAMOS信道的一子信道的一帧映射有 业务信道，且该 VAMOS信道的另一子信道的同一帧映射有 SACCH信道时， 降低共该 VAMOS信道的用户在该帧的业务信道功率。
优选地， 所述无线资源管理装置是设置为： 获取第一子信道中部分或所 有 SACCH帧位置， 记为 FSACCH, 获取第二子信道中部分或所有 SACCH帧位 置， 记为 SFSACCH; 降低第一子信道用户第 SFSACCH帧的业务信道功率； 降低 第二子信道用户第 FSACCH帧的业务信道功率， 所述第一子信道和第二子信道 为所述 VAMOS信道包括的两个子信道。
优选地， 所述无线资源管理装置是设置为： 获取一个映射周期内第一子信道中部分或所有 SACCH帧位置； 获取一 个映射周期内第二子信道中部分或所有 SACCH帧位置； 以及，
降低部分或全部映射周期内第一子信道用户第 SFSACCH帧的业务信道功 率；降低部分或全部映射周期内第二子信道用户第 FSACCH帧的业务信道功率。
优选地， 所述无线资源管理装置还设置为： 当第二子信道为开偏移
SACCH模式的 VAMOS子信道， 第一子信道为 VAMOS信道的另一子信道 时， 监视所述第二子信道的偏移 SACCH模式， 当所述第二子信道改变其偏 移 SACCH模式时， 更新 SFSACCH的值； 降低第一子信道用户更新后的第 SFSACCH帧的业务信道功率。
优选地， 所述无线资源管理装置是设置为： 根据所述共 VAMOS信道用 户功率等级， 或者根据系统仿真， 或者根据无线资源管理策略制定所述降低 业务信道功率的程度。
优选地， 所述无线资源管理装置是设置为： 降低共该 VAMOS信道的用 户在该帧的业务信道功率至 0。
通过本发明所述方法， 为 VAMOS信道的用户的 SACCH帧降低甚至彻 底消除了可能的共 VAMOS信道干扰， 而当 FSACCH或 SFSACCH的业务信道功率 将降 0时， 该帧的 SACCH信道可以以 GMSK调制 100%最大信道功率发射， 从而可以很好的保证 SACCH的性能，从而带来了 VAMOS网络容量的增强。 附图概述
图 1是 VAMOS网络使用传统 GSM帧结构时的示意图；
图 2是 VAMOS网络使用 shifted SACCH帧结构时的示意图；
图 3是本发明实施例无线资源管理方法流程图。 本发明的较佳实施方式
现有技术中， 虽然 shifted SACCH可以利用另外一个 VAMOS子信道用 户的 DTX时间不发射功率改善 SACCH性能， 但当另一个子信道用户处于业 务信道发射状态， 且无线信道条件较差时如远离基站或处于信号阴影区， 如 图 2, 在第 6帧时， ul的 T满功率且无 DTX的情况， 此时 u3的 SACCH依 然会受到很强的干扰，从而影响了用户服务信令的传输， SACCH质量的下降 必然会导致网络容量的降低。其中， shifted SACCH模式指 VAMOS信道用户 的 SACCH帧 (指映射有 SACCH信道的帧）被映射到非传统位置时所遵循的 模式。
本发明的核心思想是： 当 VAMOS信道的一子信道的一帧映射有业务信 道， 且该 VAMOS信道的另一子信道的同一帧映射有 SACCH信道时， 降低 共该 VAMOS信道的用户在该帧的业务信道功率。
其中，对一个 VAMOS信道，可以对所有同时映射有业务信道和 SACCH 信道的帧的业务信道功率进行调整， 也可以只调整部分同时映射有业务信道 和 SACCH信道的帧的业务信道功率。
VAMOS信道包括第一子信道和第二子信道，第一子信道为传统 VAMOS 子信道， 第二子信道为开启 shifted SACCH模式的 VAMOS子信道； 或者， 第一子信道和第二子信道均开启了 shifted SACCH模式， 本发明对此不作限 定。
获取第一子信道中部分或所有 SACCH帧位置， 记为 FSACCH, 获取第二子 信道中部分或所有 SACCH 帧位置， 记为 SFSACCH; 降低第一子信道用户第
SFSACCH帧的业务信道功率； 降低第二子信道用户第 FSACCH帧的业务信道功率。
其中， 以映射周期为周期进行无线资源管理， 即可只获取一个映射周期 内第一子信道中部分或所有 SACCH帧位置， 记为 FSACCH, 获取一个映射周期 内第二子信道中部分或所有 SACCH帧位置， 记为 SFSACCH; 降低部分或所有 映射周期内第一子信道用户第 SFSACCH帧的业务信道功率； 降低部分或所有映 射周期内第二子信道用户第 FSACCH帧的业务信道功率。
其中， 所述降低业务信道功率的程度可以根据共 VAMOS信道用户功率 等级制定， 也可由系统仿真得到， 也可由其他无线资源管理（Radio Resource Management, RRM )策略制定。 一种可选方案是将该业务信道帧功率调至 0, 即关闭该帧业务信道。 这样靠牺牲一个业务帧换取质量得到保证的 SACCH 信道， 使系统容量得到增强。
其中， 在第二子信道为开启 shifted SACCH模式的 VAMOS用户所在的 VAMOS子信道，第一子信道为未开启 shifted SACCH模式的 VAMOS子信道 情况下， 当第二子信道 Shifted SACCH模式改变时， 调整 SFSACCH的值， 重复 上述步骤， 即降低第一子信道用户更新后的第 SFSACCH帧的业务信道功率。 其中，本方法控制主体为基站收发信台（ Base Transceiver Station, BTS )。
如图 3 所示， 为本发明无线资源管理方法流程， 包括：
步骤 301、 BTS监测到某一 VAMOS信道的第二子信道开启了 shifted
SACCH模式；
步骤 302、BTS获得该 VAMOS信道的第二子信道的 shifted SACCH模式， 设此时其 shifted SACCH模式将 SACCH帧在一个映射周期 （包括 26帧 ) 内 的映射位置从第 F SACCH帧移动到帧了第 SF SACCH帧， 将传统 SACCH帧在一个 映射周期（包括 26帧）内的映射位置记为 FSACCH, 获取 FSACCH和 SFSACCH的值； 步骤 303、 BTS降低该 VAMOS信道的第二子信道用户第 FSACCH帧业务 信道功率；
步骤 304、 BTS降低该 VAMOS信道的第一子信道用户第 SFSACCH帧业务 信道功率；
步骤 305、 BTS监视所述第二子信道的 shifted SACCH模式是否改变， 是 则执行步骤 306 , 否则继续监视；
步骤 306、 BTS根据新的 shifted SACCH模式更新 SFSACCH值， 转到步骤
304。
本发明所述方法， 通过降低与 SACCH信道映射于同一帧的业务信道功 率， 减少了对 SACCH信道的干扰， 提高了系统性能。
工业实用性
本发明提供的支持复用单时隙自适应多用户信道承载语音业务技术的无 线资源管理方法及装置， 通过降低与 SACCH信道映射于同一帧的业务信道 功率， 减少了对 SACCH信道的干扰， 提高了系统性能。

Claims

权 利 要 求 书
1、一种支持复用单时隙自适应多用户信道承载语音业务技术的无线资源 管理方法， 该方法包括： 当复用单时隙自适应多用户信道承载语音业务（ VAMOS )信道的一子信 道的一帧映射有业务信道， 且该 VAMOS信道的另一子信道的同一帧映射有 慢速随路控制信道即 SACCH信道时， 降低共该 VAMOS信道的用户在该帧 的业务信道功率。
2、 如权利要求 1所述的方法， 其中：
所述 VAMOS信道包括第一子信道和第二子信道；
所述方法还包括： 获取第一子信道中部分或所有 SACCH帧位置， 记为
FSACCH, 获取第二子信道中部分或所有 SACCH帧位置， 记为 SFSACCH ; 所述降低共该 VAMOS信道的用户在该帧的业务信道功率包括： 降低第一子信道用户第 SFSACCH帧的业务信道功率； 以及
降低第二子信道用户第 FSACCH帧的业务信道功率。
3、 如权利要求 2所述的方法， 其中：
所述获取第一子信道中部分或所有 SACCH帧位置是获取一个映射周期 内第一子信道中部分或所有 SACCH帧位置；
所述获取第二子信道中部分或所有 SACCH帧位置是获取一个映射周期 内第二子信道中部分或所有 SACCH帧位置； 所述降低共该 VAMOS信道的用户在该帧的业务信道功率包括： 降低部分或全部映射周期内第一子信道用户第 SFSACCH帧的业务信道 功率； 以及
降低部分或全部映射周期内第二子信道用户第 FSACCH帧的业务信道功 率。
4、 如权利要求 2所述的方法， 其中：
所述第一子信道为传统 VAMOS 子信道， 所述第二子信道为开启偏移 SACCH模式的 VAMOS子信道； 所述方法还包括： 监视所述第二子信道的偏移 SACCH模式， 当所述第 二子信道改变其偏移 SACCH模式时， 更新 SFSACCH的值； 降低第一子信道用 户更新后的第 SFSACCH帧的业务信道功率。
5、 如权利要求 1、 2、 3或 4所述的方法， 其中，
在所述降低业务信道功率的过程中，
所述降低业务信道功率的程度根据所述共 VAMOS信道用户功率等级制 定， 或者根据系统仿真制定， 或者根据无线资源管理策略制定。
6、 如权利要求 1、 2、 3或 4所述的方法， 其中， 所述降低共该 VAMOS 信道的用户在该帧的业务信道功率包括： 降低共该 VAMOS信道的用户在该 帧的业务信道功率至 0。
7、 一种支持复用单时隙自适应多用户信道承载语音业务（VAMOS )技 术的无线资源管理装置， 位于基站收发信台上， 所述无线资源管理装置， 设 置为当 VAMOS信道的一子信道的一帧映射有业务信道， 且该 VAMOS信道 的另一子信道的同一帧映射有 SACCH信道时， 降低共该 VAMOS信道的用 户在该帧的业务信道功率。
8、如权利要求 7所述的无线资源管理装置， 所述无线资源管理装置是设 置为： 获取第一子信道中部分或所有 SACCH帧位置， 记为 FSACCH, 获取第 二子信道中部分或所有 SACCH帧位置， 记为 SFSACCH; 降低第一子信道用户 第 SFSACCH帧的业务信道功率；降低第二子信道用户第 FSACCH帧的业务信道功 率， 所述第一子信道和第二子信道为所述 VAMOS信道包括的两个子信道。
9、如权利要求 8所述的无线资源管理装置， 所述无线资源管理装置是设 置为：
获取一个映射周期内第一子信道中部分或所有 SACCH帧位置； 获取一 个映射周期内第二子信道中部分或所有 SACCH帧位置； 以及，
降低部分或全部映射周期内第一子信道用户第 SFSACCH帧的业务信道功 率；降低部分或全部映射周期内第二子信道用户第 FSACCH帧的业务信道功率。
10、 如权利要求 8所述的无线资源管理装置， 所述无线资源管理装置还 设置为： 当第二子信道为开偏移 SACCH模式的 VAMOS子信道， 第一子信 道为 VAMOS信道的另一子信道时， 监视所述第二子信道的偏移 SACCH模 式， 当所述第二子信道改变其偏移 SACCH模式时， 更新 SFSACCH的值； 降低 第一子信道用户更新后的第 SFSACCH帧的业务信道功率。
11、 如权利要求 7、 8、 9或 10所述的无线资源管理装置， 所述无线资源 管理装置是设置为： 根据所述共 VAMOS信道用户功率等级， 或者根据系统 仿真， 或者根据无线资源管理策略制定所述降低业务信道功率的程度。
12、 如权利要求 7、 8、 9或 10所述的无线资源管理装置， 所述无线资源 管理装置是设置为： 降低共该 VAMOS信道的用户在该帧的业务信道功率至 0。
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