CN100525537C - Method and apparatus for using switched multibeam antennas in a multiple access communication system - Google Patents

Method and apparatus for using switched multibeam antennas in a multiple access communication system Download PDF

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CN100525537C
CN100525537C CN 200380100835 CN200380100835A CN100525537C CN 100525537 C CN100525537 C CN 100525537C CN 200380100835 CN200380100835 CN 200380100835 CN 200380100835 A CN200380100835 A CN 200380100835A CN 100525537 C CN100525537 C CN 100525537C
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beam
plurality
channel
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base station
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CN1703919A (en
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科林·弗兰克
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摩托罗拉公司
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Abstract

为增加容量,或增加可参与并发的通信会话的移动站(MS)或用户的数目,本发明提供一种通信系统(100),其调度与覆盖域(例如扇区)相关联的多个预先确定的、固定的波束(160-165)中的每一波束中的不同的MS或用户(110-112)。 To increase the capacity, or to increase the mobile station may participate in a communication session concurrent number (MS) or a user, the present invention provides a communication system (100), which is scheduled in advance with the plurality of covering domain (e.g., sectors) associated identified, each beam stationary beam (160-165) of the different user MS or (110-112). 通过在多个波束中的每一波束中同时地调度用户,相对现有技术而言,通信系统的性能与吞吐量得到显著增加。 By each beam in a plurality of beams simultaneously scheduled users, compared with the prior art, the communication system performance and throughput significantly increased. 在本发明的一个实施例中,分配给每一MS的共享通信信道的一部分经由与MS相关联的波束并发地发送给每一MS。 In one embodiment of the present invention, a portion of a shared communication channel assigned to the channel for each MS concurrently transmitted via the beam associated with the MS to each MS. 在本发明的其它实施例中,与波束中调度的每一MS相关联的话音信道、数据信道与控制信道可经由与MS相关联的波束并发地发送给每一MS。 In other embodiments of the present invention, the scheduling of the beam in each of the voice channels associated with the MS, data channels and control channel may be sent concurrently to each MS via the beam associated with the MS.

Description

用于在多址通信系统中使用交换多波束天线的方法与设备技术领域 A method and apparatus TECHNICAL FIELD exchange in a multiple access communication system, the multi-beam antenna

本发明涉及无线电信系统,更具体地,涉及在无线电信系统中使用交换多波束天线。 The present invention relates to wireless telecommunications systems and, more particularly, relates to the use in a wireless telecommunications system to exchange multi-beam antenna.

背景技术 Background technique

设计无线通信系统中的一个重要目标是最大化系统容量,即最大化通信系统可同时服务的用户数。 An important goal in designing a wireless communication system is to maximize system capacity, i.e. to maximize the number of users and services communication systems may simultaneously. 一种增加系统容量的方法是使用智 A method for increasing system capacity is to use chi

能天线系统。 Can antenna system. 智能天线系统使用天线组件阵列来向目标移动站(MS) Smart antenna system using the antenna array components to the target mobile station (MS)

无线地发送信息。 Transmit information wirelessly. 智能组件阵列的使用允许对发送的信号进行波束形 Using an array allows for intelligent component signal transmitted beam-shaped

成,使得向MS发送更窄、更集中的波束。 Such that the MS transmits a narrower, more concentrated beam. 换言之,通过调节传送给每一天线组件的信号的幅度与相位,可形成想要的波束。 In other words, by adjusting the amplitude and phase of each signal transmitted to the antenna assembly, may form the desired beam. 通过对发送的信号进行波束形成,减小了发送的信号的多径衰减以及对非目标用户的干扰,这是因为波束更窄地集中。 Signals transmitted by beam-forming, reducing multipath fading and interference signals transmitted on non-target user, because it is more narrowly focused beam.

存在两种主要类型的智能天线系统,交换(switched)波束天线系统与自适应天线系统。 There are two main types of smart antenna system, the exchange (Switched) beam antenna system with adaptive antenna system. 在蜂窝式通信系统中,交换波束天线系统包括在小区的扇区中使用多个预先确定的、固定的波束。 In a cellular communication system, the use of switched-beam antenna system comprises a plurality of predetermined cells in the sector, the fixing beam. 交换波束天线系统的多个天线组件的输出以这样的方式合并,以形成窄的、定向的波束,其在空间上是选择性的。 A plurality of output beam antenna assembly switching the antenna system in such a manner combined to form a narrow directional beam, which is spatially selective. 当目标MS穿过扇区时,交换波束系统将要送给MS的信息从一个波束交换到另一个。 When the target MS through the sector, the beam switching system is to be sent to the exchange information of the MS from one beam to another. 换言之,当MS处于多个波束中的第一波束中时,将扇区中可获得的所有发送功率分配给第一波束。 In other words, when the MS is in the first plurality of beams in the beam, all the transmission power allocated to the first available sector beam. 当MS处于多个波束中的第二波束中时,将扇区中可获得的所有发送功率分配给第二波束。 When the MS is in a second plurality of beams in the beam, all the transmission power available in the sectors allocated to the second beam.

通过将发送给特定MS的信号限制到包含该MS的波束,改进了系统性能,这是因为将发送的信号限制到正确波束减小了不在该波束中的其它移动站观察到的干扰。 By limiting the signal will be sent to a particular MS to the MS containing the beam, to improve system performance, because the transmitted signal is limited to the correct beam reduces interference of the beam is not observed in the other mobile stations. 另外,将发送给特定MS的信号限制到包含该MS的波束允许削减发送功率,随之(削减)其它移动站观察到的干扰。 Further, the signal transmission restricted to a particular MS to the MS containing the beam allows to reduce transmission power, followed by (cut) the interference to other mobile stations observed. 结果,改善了系统容量,这是因为干扰的削减允许在时分多址(TDMA)通信系统中增加频率重用,或者在码分多址(CDMA) 通信系统中正交码重用。 As a result, system capacity is improved, because interference reduction allows the communication system to increase frequency reuse in a time division multiple access (TDMA), or orthogonal code reuse code division multiple access (CDMA) communication system.

然而,利用交换波束天线系统来将波束信号集中到穿越扇区的目标MS仅仅是开始解决增加系统容量的问题,该问题是对无线通信系统的操作的持续约束。 However, the use of exchange-beam antenna system to focus the beam to signal the MS to the target through only the start sector to solve the problem of increasing the system capacity, the problem is constrained continuous operation of the wireless communication system. 因此,存在对用于通过在无线通信系统中利用交换波束天线系统,获取额外的容量改进的方法与设备的需要。 Thus, by utilizing the presence of switching-beam antenna system in a wireless communication system, acquiring additional capacity is needed is an improved method and apparatus.

发明内容 SUMMARY

根据本发明一个方面,在包括交换波束天线系统的通信系统中, 提供一种用于在多个波束之中分配共享通信信道的方法,其中所述共享通信信道包括多个正交码,并且其中所述方法包括:测量与多个波 According to one aspect of the present invention, the system includes a switch beam antenna communication system, there is provided a method for sharing a communication channel allocated among a plurality of beams, wherein said shared communication channel comprising a plurality of orthogonal codes, and wherein the method comprising: measuring a plurality of waves

束中每个波束相关的多个传播信道;将所述多个正交码的第一部分分 Each of the plurality of beam propagation channels associated beam; the first portion of the plurality of orthogonal code division

配给所述多个波束中的第一波束,将所述多个正交码的第二部分分配给所述多个波束中的第二波束,其中所述第一和第二部分是在第一波束中的基站和移动站之间以及在第二波束中的基站和移动站之间的传 Dispensing said plurality of beams in the first beam, the second portion of the plurality of orthogonal codes allocated to the plurality of beams in a second beam, wherein said first and second portions in the first between beams pass between the base station and the mobile station and a second beam of the mobile station and a base station

播信道的测量质量的函数;通过所述第一波束发送所述多个正交码的所述第一部分的正交码所扩展的信号到第一移动站;以及通过所述第二波束发送所述多个正交码的所述第二部分的正交码所扩展的信号到第二移动站。 Measured as a function of the quality of the broadcast channel; transmitting the plurality of orthogonal codes of the first beam through the first portion of the expanded orthogonal code signal to the first mobile station; and the second beam transmitted through the orthogonal code of the second portion of said plurality of orthogonal codes of the spread signal to the second mobile station.

根据本发明另一方面,在包括生成多个预先确定的、固定的波束的交换波束天线系统的通信系统中,提供一种基站子系统,其包括-天线阵列,其包括多个阵列组件;处理器,其包括正交码发生器,用 According to another aspect of the present invention, comprising a plurality of generating a predetermined, fixed beam antenna beam switching system in a communication system, there is provided a base station subsystem, comprising - an antenna array comprising a plurality of array components; Processing device, which includes an orthogonal code generator, with

于生成多个正交码,其中所述多个正交码被分配给共享通信信道,其中所述处理器与多个固定波束的第一波束相关联地分配所述多个正交码的第一部分,与多个固定波束的第二波束相关联地分配所述多个正交码的第二部分,其中所述处理器基于与所述第一波束相关联的传播 To generate a plurality of orthogonal codes, wherein a first of said plurality of orthogonal code is assigned to the shared communication channel, wherein the processor and the plurality of fixed beams of a first beam association of the plurality of orthogonal codes allocated part allocating the second portion of the plurality of orthogonal codes with the plurality of fixed beams in association with the second beam, wherein the processor is based on the propagation of the first beam and associated

信道质量测量以及与所述第二波束相关联的传播信道质量测量而与第一和第二波束相关联地分配所述多个正交码,并且,其中所述多个正 Channel quality measurements, and assigned to the propagation channel quality measurement of the second beam associated with the first and second plurality of beams in association with the orthogonal codes, and wherein said plurality of n

交码的第一部分的正交码所扩展的信号通过一个或多个第一天线阵列进行发送和所述多个正交码的第二部分的正交码所扩展的信号通过一个或多个第二阵列组件进行发送。 Orthogonal code of orthogonal codes of the first portion of the spread signal is transmitted and the orthogonal code of the second portion of the plurality of orthogonal code spread signal by one or more by one or more of the first antenna array two transmitting array assembly.

附图说明 BRIEF DESCRIPTION

图1是通信系统的框图,其遵照本发明的实施例。 FIG. 1 is a block diagram of a communication system, accordance with an embodiment of the present invention.

图2是发送通信设备的框图,其遵照本发明的实施例。 FIG 2 is a block diagram of the transmitting communication apparatus, accordance with an embodiment of the present invention. 图3是发送通信设备的多个发送信号路径的框图,其遵照本发明的实施例。 FIG 3 is a block diagram of a plurality of the transmit signal path of the transmitting communication apparatus, accordance with an embodiment of the present invention.

图4是通信系统的扇区的框图,其遵照本发明的另一实施例。 FIG 4 is a block diagram of a sector of a communication system, which in accordance with another embodiment of the present invention. 图5是通信系统的扇区的框图,其遵照本发明的另一实施例。 FIG 5 is a block diagram of a sector of a communication system, which in accordance with another embodiment of the present invention. 图6是通信系统的扇区的框图,其遵照本发明的另一实施例。 FIG 6 is a block diagram of a sector of a communication system, which in accordance with another embodiment of the present invention. 图7是通信系统在经由交换波束天线系统向多个移动站中的每一 FIG 7 is a communication system via a switching each beam antenna system to a plurality of mobile stations

移动站传送信息时执行的步骤的逻辑流程图,其遵照本发明的实施例。 Logic flow diagram of steps executed when the mobile station transmitting information, accordance with an embodiment of the present invention.

具体实施方式 Detailed ways

为通过在无线通信系统中利用交换波束天线系统获取额外的容量改善,提供一种通信系统,其在与覆盖域(特别是扇区)相关联的多个预先确定的、固定的波束中的每一波束调度不同的MS,或用户。 By utilizing switched beam antenna system in a wireless communication system to obtain additional capacity improvement, there is provided a communication system in which each of the plurality of domains with a cover (particularly sector) associated with a predetermined, fixed beam of a beam different scheduling MS, or user. 通过在多个波束中的每一波束中同时地调度用户,相对现有技术而言,通信系统的性能与吞吐量得到显著增加。 By each beam in a plurality of beams simultaneously scheduled users, compared with the prior art, the communication system performance and throughput significantly increased. 在本发明的一个实施例中,将为每一MS分配的一部分共享通信信道经由与MS相关联的波束并发地发送给每一MS。 In one embodiment of the present invention, it will be transmitted via the MS assigned to each MS each portion of a shared communication channel of the beam associated with the MS concurrently. 在本发明的其它实施例中,可将与波束中调度的每一MS相关联的话音信道、数据信道、与控制信道经由与MS In other embodiments of the present invention, the voice channel may be scheduled in each of the beam associated with the MS, a data channel, control channel with the MS via

相关联的波束并发地发送给每一MS。 Associated beam transmitted concurrently to each MS.

9本发明的另一实施例包括基站子系统,其能够在包括交换波束天线系统的通信系统中操作,其生成多个预先确定的、固定的波束。 9 a further embodiment of the invention includes a base station subsystem, which includes a switch operable in beam antenna system, a communication system, which generates a plurality of predetermined fixed beams. 基站子系统包括天线阵列,其包括多个阵列组件,还包括多个加权器, 其中多个加权器中的每一加权器连接到多个组件中的一个组件,还包括处理器,其连接到多个加权器中的每一加权器。 The base station subsystem includes an antenna array comprising a plurality of array assembly further comprises a plurality of weights, wherein each of the plurality of weighting is the weighting component is connected to a plurality of components, further comprising a processor coupled to weighting each of the plurality of reactor weighter. 处理器将第一组加权系数传送给加权器,以将信息传送给多个移动站中的第一移动站, 并进一步将第二组加权系数传送给加权器,以将信息传送给多个移动站中的第二移动站,其中加权器利用第一组加权系数、通过多个波束中的第一波束来向第一移动站进行发送,并且其中加权器利用第二组加权系数、通过多个波束中的第二波束来向第二移动站进行发送。 The processor transmits the first set of weighting coefficients to the weighting unit to transfer information to a plurality of mobile stations to the first mobile station, and further transmits a second set of weighting coefficients to the weighting unit, to transmit information to a plurality of mobile station second mobile station, wherein the first set of weighting utilizes weighting coefficients, transmits to the first mobile station to the plurality of beams by a first beam, and wherein a second set of weighting utilizes weighting coefficients by a plurality of the second beam is a beam to transmit to the second mobile station.

可参照图1-7更充分地描述本发明。 The present invention can be more fully described with reference to FIGS. 1-7. 图1是无线通信系统100的框图,其遵照本发明的实施例。 FIG. 1 is a block diagram of a wireless communication system 100, which in accordance with embodiments of the present invention. 通信系统100包括固定无线基础架构, 其包括基站子系统(BSS) 102。 Wireless communication system 100 includes a fixed infrastructure, which includes a base station subsystem (BSS) 102. BSS 102向位于由该BSS服务的服务覆盖域(或小区)150内的多个移动站(MS) 110-112中的每一个提供通信服务。 BSS 102 covering domain (or cell) served by the BSS positioned to service a plurality of mobile stations (MS) 150 within each of the 110-112 provide communication services. 小区150划分为多个地理扇区151-153 (显示了三个)。 Cell 150 is divided into multiple geographic sectors 151-153 (three shown). BSS 102包括多个基站收发信站(BTS) 104、 105 (显示了两个),每—BTS经由双工器连接到天线114。 BSS 102 comprises a plurality of base transceiver stations (BTS) 104, 105 (two shown), each connected to -BTS antenna 114 via a duplexer. 每一BTS 104、 105经由各空中接口U6-118向位于由BTS服务的小区150中的扇区151-153中的MS 110-112提供通信服务。 Each BTS 104, 105 via the respective air interface U6-118 provides communication services to MS 110-112 151-153 are located in cell 150 by the BTS in the serving sector. 每一空中接口116-118包括多个通信信道,其包括至少一个分组数据信道、共享分组数据信道、导频信道、寻呼信道、与同步信道。 Each air interface 116-118 comprises a plurality of communication channels, including at least one packet data channel, a shared packet data channel, a pilot channel, paging channel, synchronization channel. 天线114是定向天线,其划分为多个天线扇区120、 130、 140 (显示了三个),其中多个天线扇区中的每一扇区对应于多个地理扇区151-153中的一个地理扇区,并向其提供通信服务。 The antenna 114 is a directional antenna that is divided into a plurality of antenna sectors 120, 130, 140 (three shown), wherein the plurality of antenna sectors each sector corresponds to a plurality of geographic sectors 151-153 a geographic sector, and the provision of communications services. 每一天线扇区120、 130、 140包括天线阵列,其包括多个天线组件(每一阵列显示了两个)。 Each antenna sector 120, 130, 140 includes an antenna array comprising a plurality of antenna elements (two for each array of display). 例如,天线扇区120包括天线组件121-122,天线扇区130包括天线组件131-132,而天线扇区140包括天线组件141-142。 For example, the antenna 120 includes an antenna assembly sectors 121-122, the antenna 130 includes an antenna assembly sectors 131-132, the antenna 140 includes an antenna assembly sectors 141-142. 通过利用天线阵列来向位于由该天线阵列服务的扇区内的MS发送信号,BSS 102 能够利用交换波束的波束形成技术来发送信号。 To transmit a signal, BSS 102 can utilize beam-forming techniques beam switching signal is transmitted by using an antenna array to an MS located within the service sector of the antenna array. 例如,如图1所示, 每一扇区151-153与多个固定的、预先确定的波束160-165相关联, 即,扇区151与波束160和161相关联,扇区152与波束162和163 相关联,而扇区153与波束164和165相关联;然而,本领域普通技术人员意识到,与每一扇区相关联的波束数目是任意的,取决于通信系统100的设计者的判断力。 For example, as shown, each sector 151-153 and a plurality of fixed, predetermined beam 160-165 is associated, i.e., the sectors 151 and 161 and associated beams 160, 152 with a sector beam 1162 and 163 associated with sector 153 and 164 and the beam 165 is associated; however, those of ordinary skill in the art appreciate that the number of beams associated with each sector are arbitrary, depending on the communication system designer 100 judgment. 每一波束160-165是预先确定的、固定的,而非自适应成形的、定向的,并由BSS 102用来向该波束中包括的MS发送信号。 Each beam 160-165 is predetermined, fixed, rather than adaptive shaped, oriented, used by BSS 102 to MS transmission signal included in the beam.

BSS 102进一步包括调度器106与基站控制器(BSC) 108,其分别连接到BSS 102中的每一BTS104、 105。 BSS 102 further includes a scheduler 106 108, which are connected to a base station controller (BSC) of the BSS 102 each BTS104, 105. 在本发明的另一实施例中, 调度器106可包括在BSC 108内。 In another embodiment of the present invention, the scheduler 106 may be included within BSC 108. 调度器106确定由BSS 102 (即, 由BSS 102的BTS 104)利用的多个波束160-165中的优化波束,以向由该BTS服务的MS发送信号。 The scheduler 106 determines (by the BSS BTS 104 102 i.e.) to optimize the beam using a plurality of beams 160-165 in order to transmit a signal to the MS by the BTS serviced by BSS 102.

优选地,通信系统100是码分多址(CDMA)通信系统,其包括多个正交的通信信道,尽管本领域普通技术人员意识到本发明可用在任何无线通信系统中,例如时分多址(TDMA)通信系统或正交频分复用(OFDM)通信系统。 Preferably, the communication system 100 is a Code Division Multiple Access (CDMA) communication system, comprising a plurality of orthogonal communication channels, although those of ordinary skill in the art realize that may be used in any wireless communication systems, such as time division multiple access of the present invention ( TDMA) communication system or an orthogonal frequency division multiplexing (OFDM) communication system. 优选地,多个通信信道中的每一通信信道包括多个正交扩频码中的一个或多个,例如Walsh码。 Preferably, each communication channel comprising a plurality of communication channels to one or more of a plurality of orthogonal spreading codes, such as Walsh codes. 扩频码的使用允许多个通信信道共存于同一频带。 Using a spreading code allows for a plurality of communication channels coexist in the same frequency band.

图2是BTS104、 105的框图,其遵照本发明的实施例。 FIG 2 is a block diagram BTS104, 105, which in accordance with embodiments of the present invention. 每一BTS104、 105连接到与BSS 102相关联的至少一个天线阵列120、 130、 140, 例如阵列120,并包括发送器部分202与接收器部分204,其分别经由双工器(未显示)连接到阵列。 Each BTS 104, 105 is connected to the BSS 102 associated with the at least one antenna array 120, 130, 140, such as array 120, and includes a transmitter portion 202 and receiver portion 204, respectively via a duplexer (not shown) connected to to the array. 发送器部分202与接收器部分204 中的每一个进一步连接到处理器206,例如一或多个微处理器、微控制器、数字信号处理器(DSP)、其组合或本领域普通技术人员所知的其它这样的设备。 The transmitter portion 202 and receiver portion 204 is further coupled to each of the processor 206, such as one or more microprocessors, microcontrollers, digital signal processors (DSP), or a combination of ordinary skill in the art other such known devices. 处理器206迸一步连接到,和/或包括, 一或多个相关联的存储设备208,例如随机存取存储器(RAM)、动态随机存取存储器(DRAM)、和/或只读存储器(ROM)或其等价物,其存储可由处理器执行的数据与程序。 Beng further connected to the processor 206, and / or comprises one or more associated memory devices 208, such as random access memory (RAM), dynamic random access memory (DRAM), and / or read only memory (ROM ) or equivalents thereof, that store data and programs executable by the processor. 处理器206和相关联的存储设备208允许BTS104保存信息,进行计算,以及运行软件程序。 Processor 206 and an associated memory device 208 allows BTS104 save information, calculation, and run software programs.

图3是每一BTS 104、 105的多个发送信号路径300、 301的框图, 其遵照本发明的实施例。 FIG 3 is that each BTS 104, 105 a block diagram of a plurality of transmit signal paths 300, 301, accordance with an embodiment of the present invention. 每一发送信号路径300、 301对应于与该BTS 相关联的天线阵列(例如天线阵列120)的多个阵列组件(例如阵列组件121与122)之一。 Each transmit signal path 300, corresponding to the antenna array 301 associated with the the BTS (e.g., antenna array 120) one of a plurality of array components (e.g. array assembly 121 and 122). 数据由数据源210 (例如与诸如公共交换电话网(PSTN)或因特网等外部网络的接口)或者运行在BTS的处理器206上的应用提供给BTS 104。 Data (e.g., external network interface and other public switched telephone network (PSTN) or the Internet, such as a) to the BTS 104 by the data source 210 or the application running on the processor 206 BTS.

数据源210连接到处理器206。 Data source 210 is connected to processor 206. 如图3所示,处理器206包括编码器302,多个扩频器306、 308,以及多个符号映射器310、 M2。 As illustrated, the processor 2063 includes an encoder 302, a plurality of spreaders 306, 308, and a plurality of symbol mappers 310, M2. 编码器302从数据源210接收数据并利用预先确定的编码方案(例如分组编码方案或巻积编码方案)编码数据。 Encoder 302 (e.g., block coding or convolutional coding scheme Volume) encoded data from a data source 210 and receives data using a predetermined encoding scheme. 编码器302其后将编码的数据传送给多个扩频器306、 308中的每一个。 Thereafter the encoder 302 encoded data to a plurality of spreaders 306, 308 each. 在本发明的另一实施例中,处理器206可进一步包括交织器,在将编码的数据传送给多个扩频器306、 308之前,该交织器交织编码的数据。 In another embodiment of the present invention, processor 206 may further comprise an interleaver, at, prior to transmitting the encoded data 308 to a plurality of spreaders 306, the interleaver interleaves the coded data.

多个扩频器306、 308中的每一扩频器连接到扩频码发生器304, 并依照扩频码发生器提供的扩频码(优选地为Walsh码)扩频编码的数据。 A plurality of spreader 306, the spreader 308 is connected to each of the spreading code generator 304, and provides the spreading code generator in accordance with a spreading code (preferably a Walsh code) encoded spread spectrum data. 扩频码发生器304生成的扩频码取决于数据要送往的MS,这是因为BSS 102向位于多个扇区151-153中的同一扇区中的每一MS A spreading code generator 304 generates a spreading code depends on the data to be sent to the MS, because the BSS 102 to each of the plurality of sectors located in the same sector in the MS 151-153

12分配不同的扩频码。 12 assigned different spreading codes. 每一扩频器306、 308其后将扩频数据传送给多个符号映射器310、 312中的各个符号映射器。 Each spreader 306, 308 and thereafter the spread data to multiple symbol mappers 310, 312 in each of the symbol mapper. 每一符号映射器310、 312将数据映射到符号星座图中包括的多个符号之一,以产生与调制的数据相对应的符号流。 Each symbol mapper 310, 312 will be mapped to one of a plurality of data symbols included in the symbol constellation map to produce a modulation symbol stream corresponding to the data. 在本发明的一个实施例中,符号映射器310、 312利用正交幅度调制(QAM)映射方案来映射数据。 In one embodiment of the present invention, the symbol mapper 310, 312 to the map data using quadrature amplitude modulation (QAM) mapping scheme. 然而,使用的映射方案对于本发明不是关键性的,本领域普通技术人员意识到,可在这里使用许多种映射方案,例如二相移键控(BPSK)或四相移键控(QPSK),而不偏离本发明的实质与范围。 However, the mapping scheme used is not critical to the present invention, those of ordinary skill in the art realize, may be used herein many mapping scheme such as binary phase shift keying (BPSK) or quadrature phase shift keying (QPSK), without departing from the spirit and scope of the present invention. 在符号映射器310、 312 调制数据后,处理器206将调制的数据传送给发送器部分202以供发送。 In the data transfer symbol mapper 310, the modulation data 312, processor 206 will be modulated to the transmitter section 202 for transmission.

发送器部分202包括多个调制器314、 316,其分别连接到多个放大器318、 320之一。 The transmitter section 202 includes a plurality of modulators 314, 316, which are respectively connected to the plurality of amplifiers, one of 320,318. 发送器部分202进一步包括多个加权器322、 324,其分别连接在多个放大器318、 320之一与多个天线121、 122 之一之间,并进一步连接到处理器206。 The transmitter portion 202 further comprises a plurality of weights 322, 324, which are respectively connected to the plurality of amplifiers 318, 320 and one of the plurality of antenna 121, one between 122 and 206 is further connected to the processor. 多个调制器314、 316中的每一调制器从各符号映射器310、 312接收调制的数据,并将调制的数据调制到射频(RF)载波。 314 a plurality of modulators, each modulator 316 receives the modulated data from each of the symbol mapper 310, 312, the modulated data modulated to a radio frequency (RF) carrier. 其后,将每一调制的载波传送给连接到各调制器314、 316的放大器318、 320,其放大调制的载波,产生放大的信号,并将放大的信号传送给各加权器322、 324。 Thereafter, each modulated carrier is transmitted to an amplifier connected to the respective modulator 314, 316, 318, 320, which amplifies the modulated carrier produce an amplified signal, and transmits the amplified signal to the respective weights 322, 324. 每一加权器322、 324基于由处理器206提供给加权器的加权系数调制放大的信号,并经由各天线121、 122发送放大的信号。 Each weighter 322, modulator 324 based on a signal weighting coefficient weighting the amplified signal is provided by a processor 206 to, and amplified by the respective transmitting antenna 121, 122. 在本发明的其它实施例中, 可将各加权器322、 324置于调制器314、 316与放大器318、 320之间,或者可置于调制器314、 316之前,以及置于处理器206之内。 In other embodiments of the present invention, each weight may be 322, 324 disposed modulator 314, an amplifier 316 and 318, between 320, 314 or may be prior to modulation, disposed 316, 206 and to the processor Inside.

为优化由目标MS (例如MS 110)从服务该MS的BTS 104、 105 接收的RF信号的强度,并最小化RF信号与BTS同该BTS服务的扇区中的其它活动的MS之间的通信的干扰,每一BTS 104、 105采用交换波束的波束成形技术来发送RF信号。 Communication between the MS for other activities by the optimization target MS (e.g. MS 110) from the BTS serving the MS 104, the strength of the received RF signal 105, and to minimize RF signal with the BTS serving BTS sector interference, each BTS 104, 105 using beamforming techniques to exchange beamforming transmission RF signal. 交换波束的波束成形技术 Switched beam beamforming technique

允许BTS基于由该BTS分配给与该BTS相关联的天线阵列的每一组件121、 122的加权系数,向目标MS110发送狭窄地集中的信号。 Allowing each component based BTS BTS 121 associated with the given assigned by the BTS antenna array, the weighting coefficients 122 transmits a signal to the target narrowly focused MS110.

13当前的与提议的码分多址(CDMA)通信系统,例如1XEV-DV (数据与话音)系统与HSDPA (高速下行分组接入)系统,分别在MS与BSS之间的空中接口中包括多个通信信道。 13 current and proposed code division multiple access (CDMA) communication system, e.g. 1XEV-DV (Data and Voice) system and the HSDPA (High Speed ​​Downlink Packet Access) system, respectively, comprising an air interface between the MS and the BSS multiple communication channels. 在多个信道之间有共享通信信道,即,共享分组数据信道,其可在由同一BSS服务的多个MS之间共享。 Among a plurality of channels with a shared communications channel, i.e., the shared packet data channel, which can be shared between multiple MS by the same BSS and services. 遵照1XEV-DV与HSDPA标准,通信系统100,特别是调度器106,优选地使用来自MS的载波干扰比(C/I)反馈,以调度MS 110-112对共享分组数据信道的使用。 In accordance with 1XEV-DV to the HSDPA standard, the communication system 100, in particular scheduler 106, preferably from the MS using a carrier interference ratio (C / I) feedback, MS 110-112 to schedule use of the shared packet data channel. 在对共享分组数据信道的调度操作中,调度器106考虑(1)选择多个MS中的哪一MS进行调度,以用于共享分组数据信道;(2)为MS选择编码器分组大小; 和(3)选择要分配给MS的若干Walsh码。 In the scheduling operation of the shared packet data channel, the scheduler 106 considering (1) to select which of the plurality of MS in the MS scheduled, for shared packet data channels; (2) selecting a packet size encoder MS; and (3) selecting a number of Walsh codes to be allocated to the MS. lxEV-DV中的共享分组数据信道可在两个用户之间进行码分复用(2用户CDM),而HSDPA 的共享分组数据信道可在四个用户之间进行码分复用(4用户CDM)。 Shared packet data channels in lxEV-DV may be code division multiplexed (CDM user 2) between two users, the HSDPA shared packet data channel may be between four user code division multiplexing (CDM user 4 ). 尽管下面的讨论将仅针对lxEV-DV支持的2用户CDM,本领域普通技术人员意识到,所讨论的概念同样适用于4用户CDM的情形。 Although the following discussion will only 2 users CDM for lxEV-DV support, those skilled in the art will recognize, the concepts discussed are equally applicable to the case of CDM 4 users.

可如下确定C/I反馈。 Determining the C / I feedback as follows. 多个MS 110-112中的每一MS通过将从组件接收的信号与该信号的已知版本进行相关,测量MS与BSS 102的阵列组件之间的传播信道。 Each MS received by the plurality of signal components from the MS 110-112 correlated with known versions of the signal, measuring the propagation channel between the MS and the BSS array assembly 102. 例如,BSS 102可经由组件发送导频码, 例如预先确定的导频Walsh码,或者MS已知的分配给组件的导频符号序列。 For example, BSS 102 may transmit the pilot symbols via the components, for example, a predetermined pilot pilot Walsh codes, or assigned to the MS known pilot symbol sequence assembly. 当MS接收发送的信号时,MS将接收的信号与已知的导频码或符号进行相关。 When the MS receives a signal transmitted, the MS receives a signal associated with the known pilot symbol or symbols. 其后,基于该比较,MS确定归因于信道的符号失真。 Thereafter, based on the comparison, the MS determines the channel due to the distortion of the symbol.

测量背景干扰的自相关更困难一些。 Autocorrelation measurement of background interference is more difficult. 在本发明的一个实施例中, 每一MS 110-112通过解调从BSS 102接收的信号,并从到达的信号减去解调的信号,来测量背景干扰的自相关。 In one embodiment of the present invention, each MS 110-112 by demodulating a signal received from the BSS 102, and the signal arriving from the demodulated signal by subtracting, from the measured background interference. 产生的信号仅包括背景干扰,而该信号的自相关可通过将该信号与其自身进行相关来容易地获得。 Generating a signal comprising only background interference, and the autocorrelation of the signals by correlating the signal with itself be easily obtained. 在本发明的另一实施例中,通过BSS 102周期性地将其发送的信号堵塞一小段时间,MS可测量自相关。 In another embodiment of the present invention, by BSS 102 periodically transmits a signal of congestion for a short time, the MS may measure the autocorrelation. 在发送的信号被关闭的一 The transmitted signal is of a closed

14小段时间期间,接收的信号仅包括背景干扰。 During the time of small pieces 14, the received signal includes only background noise. 此外,可通过将该信号与其自身进行相关,测量干扰的自相关。 Further, by correlating the signal with itself, measuring interference autocorrelation.

在本发明的又一实施例中,每一MS 110-112可通过测量接收的由BSS 102发送的信号的相关(通过将该信号与其自身进行相关)来测量背景干扰的自相关。 Embodiment, signals 110-112 may be associated transmitted by BSS 102 by measuring the received for each MS in a further embodiment of the present invention (by correlating the signal with itself) to measure the autocorrelation of the background interference. 该相关是信号相关函数与干扰相关函数之和。 The correlation function is a signal to interference correlation and the correlation function. MS将信道传播信息与接收的信号相关函数发送给BSS 102,艮P, 服务该MS的BTS。 The MS spread channel signal with the received information related to a function of BSS 102, Gen P, serving the MS BTS. BSS 102,优选地服务该MS的BTS的处理器206, 基于传播信道与发送的信号(例如,导频信号)的知识,为MS处所观察到的发送的信号计算信号相关。 The processor BSS 102, preferably the MS's serving BTS 206, based on a signal propagation channel transmission (e.g., pilot signals) knowledge, calculating a signal transmitted signal observed for the premises associated MS. 其后,通过从接收的信号的相关函数减去发送的信号的计算出的相关,获得干扰相关。 Thereafter, the correlation signal calculated by subtracting from the correlation function of the received transmitted signal to obtain a correlation interference.

使用BSS 102的多个阵列组件中的每一个与由该BSS服务的多个MS 110-112中的每一个之间的传播信道的知识,以及每一MS处的千扰环境,BSS 102为功率分配确定由该BSS服务的每一MS处的信噪比(SNR),并进一步从多组加权系数中确定一组加权系数,多组加权系数分别对应于与MS所处的扇区相关联的多个固定波束。 Knowledge of the propagation channel between each of a plurality of array assembly 102 using the BSS in the BSS of each one of a plurality of services MS 110-112, and for each one thousand environmental interference at the MS, BSS 102 is a power determining distribution ratio (SNR) at each MS by the BSS and services, and further determines a set of weighting coefficients from a plurality of sets of weighting coefficients, a plurality of sets of weighting coefficients corresponding respectively to the sectors associated with the MS is located a plurality of fixed beams. 例如, 服务MS的BTS的存储设备208可存储多组加权系数,其中多组加权系数中的每组加权系数对应于与该BTS服务的扇区相关联的多个波束中的一个波束。 For example, a BTS serving the MS storage device 208 may store a plurality of sets of weighting coefficients, wherein each plurality of sets of weighting coefficients in the weighting coefficients corresponding to a plurality of beam sector beam associated with the serving BTS in. BTS的处理器206其后选择产生最大SNR的一组加权系数,尽管用于选择一组加权系数的其它标准为本领域普通技术人员所知,并可用于此处,而不偏离本发明的实质与范围。 Thereafter the BTS processor 206 generates a set of weighting coefficients selected maximum SNR, although for selecting a set of weighting coefficients other criteria known to those of ordinary skill in the art, and may be used herein without departing from the spirit of the invention and scope. 当BTS,例如BTS 104,其后向由该BTS服务的MS发送信号时,BTS的处理器206将适宜的加权系数传送给BTS的加权器322、 324。 When the BTS, for example BTS 104, followed by transmitting a signal to the MS by the serving BTS, the BTS processor 206 will be transmitted to the appropriate weighting coefficient weighting the BTS 322, 324. 每一加权器322、 324其后使用由处理器206传送给加权器的加权系数来调制通过相应的天线阵列组件发送的信号,该信号其后经由对应的阵列组件在多个固定的、预先确定的波束中发送。 Each weighter 322, 324 thereafter use, processor 206 transmits a predetermined weighting coefficient to the weighting filter modulated signal transmitted over a respective antenna array assembly, which subsequently, via the corresponding signal components in an array by a plurality of fixed the transmitted beam.

现在参照图4,阐释了通信系统100的扇区400 (例如扇区151-153)的框图,其遵照本发明的实施例。 Referring now to Figure 4, illustrates a block diagram of a communication system 400 sectors (e.g., sectors 151-153) 100, which in accordance with embodiments of the present invention. 扇区400包括多个波束401、402 (显示了两个),其由天线阵列(例如天线阵列120、 130、与140) 以及与该扇区相关联的BTS 104发送。 Sector 400 includes a plurality of beams 401, 402 (two shown), which by the antenna array (e.g. antenna arrays 120, 130, and 140) and transmits the sector associated with BTS 104. 与lxEV-DV中类似,服务扇区的BTS与位于该扇区中的MS (即MS 110与111)中的每一个之间的空中接口包括共享分组数据信道,其支持两用户码分复用(CDM) 并在两用户或MS之间共享。 Similar to lxEV-DV, the sector BTS and the MS located in the serving sector (i.e., MS 110 and 111) between each of the air interface includes a shared packet data channel that supports code division multiplexing two users (CDM), and shared between two users or MS.

为增大通信系统100的容量,或增大同时参与通信会话的用户数目,该通信系统,特别是调度器106,在扇区400中的多个波束401、 402中的每一波束调度不同的MS或用户。 To increase the capacity of the communication system 100, or increase the number of simultaneous users participating in the communication session, the communication system, in particular scheduler 106, 400 in sector 401 of the plurality of beams, each beam different scheduling 402 MS or user. 通过在多个波束401、 402 中的每一波束同时地调度用户,相对现有技术而言,通信系统100的性能与吞吐量得到显著增加。 401 by a plurality of beams, each beam 402 simultaneously scheduled users, compared with the prior art, the performance and throughput of the communication system 100 is significantly increased. 在本发明的第一实施例中,仅使用共享通信信道(例如共享分组数据信道)来将用户信息传送给位于扇区400 中的MS 110、 111,且在相关联的载波上没有1X话音或数据。 In a first embodiment of the present invention, only the shared communication channel (e.g. a shared packet data channel) to the user information to the MS 110 located in sector 400, 111, and there is no 1X voice on the associated carrier or data. 令y,,p 表示第一MS (例如MS 110)的导频C/I,其位于第一波束(例如波束401)中,且令h,p表示第二MS (例如MS 111)的导频C/I,其位于第二波束(例如波束402)中。 Y ,, p represents a first order MS (e.g. MS 110) a pilot C / I, which is located a first beam (e.g., beam 401), and let h, p represents a second MS (e.g. MS 111) pilot C / I, which is located in the second beam (e.g., beam 402). 令NPDCH表示分配给共享通信信道的Walsh码的数目,令P表示分配给扇区400的总发送功率,且令f。 So that the number of Walsh codes allocated for the shared NPDCH communication channel, so that P denotes the total transmit power allocated to the sector 400, and let f. 表示分配给开销信道(例如导频、寻呼与同步信道)的总功率的系数(fraction )。 Allocated for the overhead channels (e.g., pilot, paging, and synchronization channels) of the total power coefficient (fraction).

为保持C/I反馈的完整性,假定在每一波束401与402中发送的功率是相等的而且是恒定的。 To maintain the integrity of the C / I feedback, assuming the power transmitted in each beam 401 and 402 are equal and constant. 这样,分配给每一波束401与402的功率是P/2。 Thus, assigned to each beam 401, 402 is a power P / 2. 以这种方式,每一相关联的MS 110与MS 111处的C/I信息仅作为衰减的函数,而不会因为发送功率中的波动而变化。 In this manner, C MS 110 and the MS 111 each associated / I information is only as a function of the attenuation, and not because of fluctuations in the transmission power is changed.

如果在某扇区中某时刻仅调度单个MS,且送往该MS的信号在扇区的全部两个波束上发送(或者仅在所调度的用户的波束上发送, 而在另一波束上发送相等功率的CDMA噪声),可获得的最大扇区容量由下面的公式给出1 + If a timing signal is scheduled in the sector only a single MS, and the MS is sent on both the transmission beam sector (or transmitted beam only on the user's scheduled, is transmitted on the other beams CDMA is equal to noise power), the maximum available sector capacity is given by the following equation 1 +

PDCH J p/。 PDCH J p /.

max max

其中fp是分配给导频信道的发送功率的系数。 Wherein fp is the coefficient of transmission power allocated to the pilot channel. 为简化表示,令 To simplify the representation, so that

《= "=

尸(1-/。) 1 P (1- /) 1

这样,当在某时刻仅调度单个MS,且要送往MS的信号通过全部两个波束发送时,扇区的容量由下面的公式给出 Thus, when the signal at a time scheduled only a single MS, and destined for the MS by transmitting both beams, the sector capacity is given by the following formula

Capacity = W羅log2 (1 +《max(^", y2 p)). Luo Capacity = W log2 (1 + "max (^", y2 p)).

在通信系统100中,在与扇区相关联的多个波束中的每一个(即, 扇区400的波束401与402)中并发地调度分立的MS或用户。 In the communication system 100, the plurality of beams associated with each sector associated with a (i.e., 400 sectors of the beam 401 and 402) for scheduling discrete user or MS concurrently. 当要送往分别与扇区波束401、 402相关联的MS 110、 111的信号仅在与MS相关联的波束上发送时,扇区400的容量由下面的公式给出 When a sector to be sent to each beam 401, 402 associated with the MS 110, transmitted signal 111 when the upper beam associated with the MS, the capacity of the sector 400 is given only by the following formula

Capacity = iV, Capacity = iV,

PDCH PDCH

f <C 、 「 f <C, "

V or 乂、 (l一aj V or qe, (l a aj

、、 ,,

其中a表示分配给第一MS 110的Walsh码空间的系数,而la表示分配给第二MS 111的系数。 Wherein A represents a coefficient assigned to the first MS Walsh code space 110, and la denotes the second coefficient allocated to the MS 111. 注意,在此公式中,在两个波束401 与402中分配给每一Walsh码的功率是不同的。 Note that, in this formula, the two beams 401 is different from the power distribution to each of the 402 Walsh codes.

扇区400的最大可获得容量由下面的公式给出Capacity - W歸log2 (1 + <^ p + y2,p)), Sector 400 of maximum achievable capacity is given by the following equation Capacity - W normalized log2 (1 + <^ p + y2, p)),

且该容量当 And when the capacity

17时获得。 Obtain 17:00.

使用2用户CDM与交换波束而产生的容量增加由下面的公式给 2 using CDM exchange user generated beam to increase the capacity by the following formula

Out

Capacity Increase = W隨(Iog2 (1 +《卜,p + y2 p))- log2 (1 +《腿(r", y2 =W画bg2 Capacity Increase = W with (Iog2 (1 + "Bu, p + y2 p)) - log2 (1 +" leg (r ", y2 = W Videos bg2

广l 、、 Wide l ,,

P, / 2,p /乂 P, / 2, p / qe

如果h,p-Y2,p,容量增加由(下面的公式)给出 If h, p-Y2, p, is given by the increased capacity (the following formula)

Capacity Increase = A^PDCH log2 Capacity Increase = A ^ PDCH log2

Qe

且这对应于对于共享通信信道,在信扰比(SIR)中每Walsh码3dB的增加。 And this corresponds to a shared communications channel, each Walsh code 3dB increase in the signal to interference ratio (SIR).

需要注意的是,这不是容量的翻番。 It should be noted that this is not a doubling of capacity. 为在SIR增加3dB时容量翻番,还需要翻番Walsh码数目(更一般地,带宽)。 SIR is increased when the capacity is doubled 3dB, doubling the number of Walsh codes required (more generally, bandwidth). 这可通过允许为分组数据信道使用准正交函数(QOF,已在CDMA 2000 IX标准中) 来做到,其中给每一波束401、 402分配一组QOF。 This can allow a packet data channel using a quasi-orthogonal function (QOF, has CDMA 2000 IX standard) to do, where to each beam 401, 402 assigned a set QOF.

结果,通过在每一波束401与402中调度分立的MS或用户110、 111,其中要送往与给定波束相关联的MS的信号仅在该波束上发送, 扇区400容量变为与并发调度的MS (即MS 110与111)中的每一个的SIR的和的函数,而非两SIR的最大值的函数。 As a result, each beam 401 by the MS 402 or a discrete scheduling user 110, 111, wherein the beam to be sent to the MS with a given signal transmitted only associated with the beam, and the sector capacity becomes complicated 400 MS scheduled (i.e., MS 110 and 111) and the function of each of the SIR, not a function of the maximum value of the SIR two. 进一步地,在每一波束401与402中调度分立的MS或用户提供了通信系统的额外好处, 即与C/I反馈、自适应调制与编码(AMC)、以及调度器106兼容, 而不在相邻扇区或小区中引入干扰变动。 Further, each beam 401 and the MS 402 or a discrete scheduling user provides the additional benefit of a communication system, i.e. the C / I feedback, adaptive modulation and coding are compatible (the AMC), and a scheduler 106, not in phase introduce interference variation neighbor sector or cell. 在本发明的另一实施例中,系统100可以是CDMA 1XEV-DV系统,其中BSS 102将用户信息经由分组数据信道以及话音与数据信道发送给由该BSS服务的MS 110-112中的每一个。 In another embodiment of the present invention, the system 100 may be a CDMA 1XEV-DV systems, wherein each of the BSS 102 MS 110-112 BSS service information to the user via a packet data channel, and voice and data channels in . 1X话音与数据不在分组数据信道上传输,并在波束401与402中的每一个中要求总发送功率的一些系数,以及总带宽的一个系数。 1X voice and data channel are not transmitting data packets, and total transmission power in the beam 401 and 402 in each of the required number of coefficients, and a coefficient of the total bandwidth. 而且,在两个波束中提供1X话音与数据服务所要求的功率是不同。 Further, there is provided a power 1X voice and data services required are different in the two beams. 令f,与f2表示分别在波束401 与402中分配给CDMA 2000 1X话音与数据(包括导频、寻呼、与同步开销)的功率的系数。 Order F, and the beam coefficient f2 denote the power allocated to the CDMA 2000 1X 402 voice and data (including pilot, paging, and synchronization overhead) 401. 例如,令^= 1/3且&- 2/3。 For example, let & ^ = 1/3 and - 2/3. 如上面那样, 令NPDeH表示分组数据信道可获得的Walsh码数目。 As above, the number of Walsh codes make NPDeH represents packet data channels available. 注意,该数目不包括用于开销信道(例如导频、寻呼、与同步信道)的Walsh码以及为IX话音和/或数据分配的Walsh码。 Note that this number does not include an overhead channel (e.g., pilot, paging, synchronization channel) and Walsh code is a Walsh code IX voice and / or data distribution.

没有CDM时,当仅调度单个MS或用户接收信息信号,且该信号在全部两个波束上发送(或者仅在所调度的MS的波束上发送,而在另一波束上发送相等功率的CDMA噪声)时,该扇区可获得的最大容量由下面的公式给出 When the CDM is not, when only a single CDMA noise scheduled user or MS receiving an information signal, and the signal is transmitted on both beams (or transmitted only over the scheduled MS beam, the beam transmitter and on the other equal power ), the maximum achievable capacity of the sector is given by the following formula

Capacity = WPDC„ log2(1 + 4" max((l — , V1;> , (1 — /2 >2,p)), Capacity = WPDC "log2 (1 + 4" max ((l -, V1;>, (1 - / 2> 2, p)),

其中;如上面那样定义。 Wherein; as above defined.

再次参照图4,在通信系统100中,在与扇区相关联的多个波束中的每一个(即,扇区400的波束401与402)中并发地调度分立的MS或用户。 Referring again to FIG. 4, in the communication system 100, the plurality of beams associated with each sector associated with a (i.e., 400 sectors of the beam 401 and 402) for scheduling discrete user or MS concurrently. 即,调度第一MS (例如MS 110)经由第一波束(例如波束401)接收信息信号,而调度第二MS (例如MS 111)经由第二波束(例如波束402)接收信息信号。 That is, scheduling a first MS (e.g. MS 110) via a first beam (e.g., beam 401) receiving the information signal, and the second MS (e.g. MS 111) via a second beam (e.g., beam 402) receiving the information signal scheduling. 进一步地,要送往特定MS的信息信号仅在相关联的波束上发送给MS。 Further, the information signal to be sent to the specific MS to the MS only on the associated beam. 扇区400的容量由下面的公式给出 Capacity of 400 sectors is given by the following formula

Capacity = WPDCH Capacity = WPDCH

cdog2 cdog2

1 + 1 +

+ (lo:)log2| 1 + + (Lo:) log2 | 1 +

乂乂 Qe qe

19其中a表示在第一波束401中分配给第一MS 110的NPD(:H Walsh 码字的系数,而1-a表示在第二波束402中分配给第二MS 111的码字的系数。最大可获得容量由下面的公式给出 19 where a represents a first beam 401 assigned to NPD (the first MS 110 is: H Walsh code word coefficients, and 1-a codeword allocated for the coefficient of the second MS 111 in the second beam 402. maximum available capacity is given by the following formula

Capacity = WPDCH log2 (1 +一乂) + (1 — /2) y2.p)), Capacity = WPDCH log2 (1 + qe a) + (1 - / 2) y2.p)),

且该容量当 And when the capacity

(1-氛 (1 atmosphere

时获得。 When available.

这样,交换波束在具有IX话音与数据两者以及共享通信信道的混合系统中提供与仅使用共享通信信道类似的优点。 Thus, the exchange offer advantages beam using only the shared communication channel in a hybrid system similar to IX having both voice and data and a shared channel in a communication. 如上面那样,多个交换波束中的每一波束的分立用户的调度导致的扇区容量为MS 110 与MS 111中的每一个的SIR的和的函数,与共享通信信道可获得的波束功率的系数成正比,而非两SIR的最大值的函数。 As above, a plurality of discrete user to exchange each beam in the beam sector capacity scheduling for the MS 110 and the resulting SIR in each of the 111 MS and a function of sharing a communication channel with the available beam power proportional coefficient, not a function of the maximum value of the SIR two. 而且,在每一波束401与402中调度分立的MS或用户提供了通信系统的额外好处, 即与C/I反馈、自适应调制与编码(AMC)、以及调度器106兼容, 而不在相邻扇区或小区中引入干扰变动。 Further, in each beam 401 and the MS 402 or a separate scheduling user provides the additional benefit of a communication system, i.e. the C / I feedback, adaptive modulation and coding are compatible (the AMC), and a scheduler 106, rather than in the adjacent sector or cell interference introduced variation.

多个交换波束中的每一波束的分立用户的调度的结果可直接扩展到在每扇区支持多个波束和/或在每扇区支持多于两个CDM用户的系统。 A plurality of discrete switching result of each user in a beam of the beam can be extended directly to schedule a plurality of beams and / or more than two per sector supports CDM system users per sector support. 如上面所注明的那样,HSDPA支持4用户CDM,且这里表达的想法可直接施行于HSDPA。 As noted above, as, HSDPA support 4 user CDM, and the ideas expressed here can be directly implemented in HSDPA. 例如,伴随着扇区中四个交换波束以及由HSDPA支持的4用户CDM,每Walsh码的SIR增加可达6dB。 For example, along with the four sectors of the exchange and the beams 4 supported HSDPA user CDM, SIR increases up to each of the Walsh codes 6dB.

在本发明的又一实施例中,多个交换波束中的每一波束的分立用户的调度可扩展到支持超过两个用户的码分复用的共享通信信道,例 In yet another embodiment of the present invention, a plurality of discrete scheduling of users to exchange each beam in the beam can be extended to a shared communication channel supports more than two users are code division multiplexed, for example,

20如HSDPA共享分组数据信道。 20 The HSDPA shared packet data channel. 图5是通信系统100的扇区500的框图,其遵照本发明的另一实施例。 FIG 5 is a block diagram of a communication system 100 of sector 500, which in accordance with another embodiment of the present invention. 如图5所示,扇区500包括三个波束501-503。 5, the beam 500 includes three sectors 501-503. 令h,p表示第一MS (例如MS 110)的导频C/I,其位于第一波束501中,h,p表示第二MS (例如MS 111)的导频C/1,其位于第二波束502中,且h,p表示第三MS (例如MS 112)的导频C/1, 该MS现在位于第三波束503中,其与MS 110与111处于同一小区中。 Order h, p represents a first MS (e.g. MS 110) a pilot C / I, which is located in the first beam 501, h, p represents a second MS (e.g. MS 111) a pilot C / 1, which is located on the two beams 502, and h, p represents a third MS (e.g. MS 112) a pilot C / 1, the MS is now located in the third beam 503, 110 and 111 with the MS in the same cell.

如上面那样,令NPDC:H表示分配给共享通信信道(优选地为在每—空中接口116-118上发送的共享分组数据信道)的Walsh码的数目。 As above, so NPDC: H allocated for the shared communication channel (as per preferably - shared packet transmitted over the air interface data channel 116-118) the number of Walsh codes. 令P表示分配给扇区的总发送功率。 Let P denotes the total transmit power is allocated to the sector. 令f。 So f. 表示分配给开销信道(例如导频、寻呼、与同步信道)的总功率的系数。 Allocated for the overhead channels (e.g., pilot, paging, and synchronization channels) of the total power coefficient. 分配给每一波束的功率是恒定的,等于P/3。 Assigned to each beam power is constant, equal to P / 3. 以这种方式,位于各波束501-503内的每一MS 110-112处的C/I信息仅作为衰减的函数,而不会因为发送功率中的波动而变化。 In this manner, C / I information at each MS 110-112 501-503 located in each beam as a function of attenuation only, and not because of fluctuations in the transmission power is changed.

如果为扇区在某时刻仅调度单个MS,且信号在全部三个波束上发送(或者仅在所调度的用户的波束上发送,而在其它波束上发送相等功率的CDMA噪声),该扇区可获得的最大容量由下面的公式给出 If a sector at a time only a single scheduling the MS, and the signal is transmitted in all three beams (or transmitted only over the scheduled user's beam, and transmits the CDMA noise of equal power on other beams), the sector the maximum available capacity is given by the following formula

Capacity = WPDCH log2 Capacity = WPDCH log2

,尸(l-Zo) 1 〖 、 1 + ; 7m—" , r2'p,〜) , P (l-Zo) 1 〖, 1 +; 7m- ", r2'p, ~)

=^膽iog2 (1 +《max" p , y2 p , y3,p)), = ^ Bile iog2 (1 + "max" p, y2 p, y3, p)),

其中fp和;如上面那样定义。 And wherein fp; as defined above.

在图5所示的通信系统100的实施例中,在扇区500中的每一波束501-503中分别调度分立的MS 110-112。 In an embodiment of the communication system 100 shown in Figure 5, each of the beams 501-503 in sector 500 in each scheduling separate MS 110-112. 进一步地,要送往分别位于波束501-503中的MS 110-112的信息信号仅在该波束上发送。 Further, the information to be sent to the MS located in the signal beam 501-503 110-112 transmit only on the beam. 此时, 扇区500的容量由下面的公式给出<formula>formula see original document page 22</formula> At this time, the sector capacity 500 is given by the following formula <formula> formula see original document page 22 </ formula>

其中a为分配给波束501的Walsh码的系数,(3为分配给波束502 的Walsh码的系数,而lap为分配给波束503的Walsh码的系数。 扇区500的最大可获得容量由下面的公式给出 Wherein a coefficient assigned to the beam 501 Walsh codes, (3 Walsh code assigned to the coefficient beam 502, while the lap 503 assigned to the beam coefficient of the Walsh codes. The maximum available capacity of the sector 500 by the following formula gives

Capacity = WPDCH log2(l + + +〜)), Capacity = WPDCH log2 (l + + + ~)),

且该容量当 And when the capacity

a=--且-^- a = - and - ^ -

时获得。 When available.

尽管上面参照扇区500中的三个波束501-503进行描述,本领域普通技术人员意识到,上面通过将分立的波束并发分配给多个MS中的每一个所获得的系统容量的改善可容易地扩展到小区500中任意数目的波束。 While the above three reference beams 501-503 in sector 500 will be described, one of ordinary skill in the art appreciate that each of the above improved system capacity of a plurality of the MS obtained by the separate beams can be easily assigned to concurrent extended to any number of cells 500 in the beam.

在本发明的另一实施例中,共享通信信道可支持超过两个MS或用户的码分复用,并操作在具有CDMA2000 IX话音与数据的系统中。 In another embodiment of the present invention, the shared communication channel can support more than two user MS or code division multiplexing, and operating in a CDMA2000 IX system having voice and data. 特别地,假设共享通信信道支持三个MS或用户110-112的码分复用, 尽管本领域普通技术人员意识到,该结果可容易地扩展到任意数目的MS或CDM用户。 In particular, assuming that the shared communication channel supports three MS or user 110-112, code division multiplexing, although those of ordinary skill in the art appreciate that this result can be easily extended to any number of CDM user or MS.

IX话音与数据不在共享通信信道上发送,并需要每一波束中的总发送功率的一些系数以及总带宽的一个系数。 IX voice and data transmission is not shared communication channel, and requires some coefficients and a coefficient of the total bandwidth of each of the total transmission power in the beam. 再次参照图5,令fP f2、与fj表示分别在波束501、 502、与503中分配给CDMA 2000 IX 话音与数据(包括导频、寻呼、与同步信道开销)的功率的系数。 Referring again to FIG. 5, so fP f2, respectively, and fj denotes a beam 501, 502, and 503 assigned to the CDMA 2000 IX voice and data (including pilot, paging, and synchronization channel overhead) power coefficients. Such as

22先前那样,令NpD^表示分配给共享通信信道的Walsh码的数目。 22, as previously, so NpD ^ denotes the number of Walsh codes assigned to the communication channel is shared. 注意,该数目不包括用于开销信道(例如导频、寻呼、同步信道)的Walsh 码,以及为IX话音和/或数据分配的Walsh码。 Note that this number does not include an overhead channel (e.g., pilot, paging, synchronization channel) Walsh code, and the Walsh code IX voice and / or data distribution.

没有CDM时,当仅在扇区中调度单个用户接收用户信息信号, 且该信号在全部三个波束上发送(或者仅在所调度的用户的波束上发送,而在其它波束上发送相等功率的CDMA噪声)时,该扇区可获得的最大容量由下面的公式给出 When the CDM is not, in a schedule when only a single user sector receiving user information signal, and the signal is transmitted in all three beams (or transmitted beam only on the user's scheduled, equal power is transmitted on other beams when the CDMA noise), the maximum achievable capacity of the sector is given by the following formula

Capacity = A^織log2 (1 +《max((l - 乂, (1 — /2 V" , (1 _ /3 )), 其中G如上面那样定义。 Capacity = A ^ weave log2 (1 + "max ((l - qe, (1 - / 2 V", (1 _ / 3)), where G is as defined above.

有CDM时,如图5所示,可在扇区500中的三个波束501-503 中的每一个中调度分立的MS或用户110-112。 When the CDM, as shown in Figure 5, the three beams 501-503 500 sector in each scheduling a discrete user or MS 110-112. 另外,要送往每一MS 110-112的信息信号仅在与该MS相关联的波束上发送。 In addition, the information destined for each MS 110-112 transmits a signal only at the beam associated with the MS. 此时,扇区500 的容量由下面的公式给出 At this time, the sector capacity 500 is given by the following formula

Capacity - y Capacity - y

PDCH PDCH

or log: or log:

1+ 1+

or or

y2 y2

1 + 1 +

(1-a-〃) (1-a-〃)

其中,如先前那样,a为分配给波束501的Walsh码的系数,p为分配给波束502的Walsh码的系数,而lap为分配给波束503的Walsh 码的系数。 Wherein, as before, a is the Walsh code assigned to the coefficient of beam 501, p is the coefficient of 502 Walsh codes assigned to the beam, while the lap 503 of the coefficients of the Walsh codes allocated to the beam. 扇区500的最大可获得容量由下面的公式给出 Sector 500 of maximum available capacity is given by the following formula

Capacity = WPDCH log2 (1 +《((l — /,) ^ + (1 — /2) 、p十(1 — /3) ^)), Capacity = WPDCH log2 (1 + "((l - /,) ^ + (1 - / 2), p ten (l - / 3) ^)),

且该容量当 And when the capacity

23二- 且 23 bis - and

(iy;)^+(1-/2)^+(iy;W (Iy;) ^ + (1- / 2) ^ + (iy; W

"_(i-/2)〜_ "_ (I- / 2) ~_

(i-氛+(i-/U-氛 (I- atmosphere + (i- / U- atmosphere

时获得。 When available.

这样,交换波束在具有IX话音与数据两者以及共享通信信道的 Thus, the exchange IX beam having both voice and data communications channel and a shared

混合系统中提供与仅使用共享通信信道类似的优点。 Providing a hybrid system using only similar advantages shared communication channel.

现在参照图6,描述了本发明的另一实施例,其中通信系统100 Referring now to Figure 6, depicts another embodiment of the present invention, wherein the communication system 100

的扇区600被分为K个波束601-603,其中K大于2。 Sector 600 is divided into beams 601-603 K, where K is greater than 2. 标注同上。 Marked above. 令y^ 表示与波束i相关联的MS或用户(在波束中具有最高C/I的用户, 或者由某其它标准选择的用户)的C/I,例如波束601中的MS或用户110的C/I。 Order y ^ represents the beam i associated with the MS or the user (having the highest C / I of the users in the beam, or by the user of some other selection criteria) of C / I, for example, a beam C in the 601 MS or user 110 / I. 令;如上面那样定义,使得 Order; as defined above, such that

/。 /. ) 1 ) 1

其中P是分配给扇区的总功率,fp是该功率中分配给导频(信道) 的系数,NpDCH是分配给共享通信信道的Walsh码的数目,且f。 Where P is the total power allocated to a sector, FP is the power allocated to the pilot coefficient (channel), NpDCH is the number assigned to the shared communication channel, Walsh code, and f. 表示分配给开销信道(例如导频、寻呼与同步信道)的功率。 Allocated for the overhead channels (e.g., pilot, paging, and synchronization channels) power.

令fj表示分配给波束i的总功率中目前分配给波束中的话音与IX 数据的系数。 Fj represents the order i of the total power allocated to the coefficient of beam current IX voice and data is assigned to the beam. 假定发送功率始终在K个波束601-603上相等地划分, 使得每波束的功率为P/K。 Always assumed that the transmission power is divided equally on the beams 601-603 K, so that the power of each beam of P / K.

不使用CDM时,如果在扇区中仅调度单个用户接收用户信息信号,且该信号在全部三个波束上发送(或者仅在所调度的用户的波束上发送,而在其它波束上发送相等功率的CDMA噪声),该扇区可获得的最大容量由下面的公式给出 When not using the CDM, if only a single user in a sector scheduled to receive user information signal, and the signal is transmitted in all three beams (or transmitted beam only on the user's scheduled, while in the other beams of equal power transmission a CDMA noise), the maximum achievable capacity of the sector is given by the following formula

24Capacity = WPDOT log2(1 +《max((l-,, (1 -/2)r2,p,...,(卜/K)rK,P》 24Capacity = WPDOT log2 (1 + "max ((l- ,, (1 - / 2) r2, p, ..., (Bu / K) rK, P"

且该最大容量在如下条件下取得,即我们调度用户P对共享分组数据信道的使用,使乘积(l-fi) Yi,p最大,并向相关联的波束;*中的用户分配所有Walsh码NpDCH和可获得的功率(l-fiO P/K。 And the maximum capacity is achieved under the conditions that we scheduled users P using the shared packet data channel, so that the product (l-fi) Yi, p the maximum, and the beam associated; * the user to assign all Walsh codes NpDCH and available power (l-fiO P / K.

使用2用户CDM时,该扇区可获得的最大容量由下面的公式给 When the user 2 using CDM, the maximum capacity of the sector to be obtained by the following formula

Out

Capacity = WPDCH log2 (1 +《((l — ,.) + (1 —力.)^>.P)), Capacity = WPDCH log2 (1 + "((l -,) + (1 -.. Force) ^> P).),

其中P与"为两MS或用户(同波束"与"相关联),例如位于扇区600中的相关联的波束601与602中的MS 110与111,其使得乘积(lf》Yi,p最大,且当分配给MS (波束)i*WNPDCH Walsh码的系数q 由下面的公式给出时获得该容量 And wherein P 'is a two MS or user (with beam "and" associated), for example, MS 110 is located in beam 601 and 602 and 111 associated with sector 600, which makes the product (lf "Yi, p Maximum and when obtaining the capacity allocated to the MS (beam) coefficients i * WNPDCH Walsh codes given by the following equation q

a , a,

且分配给MS (波束)_|*的Walsh码的系数为(l-cO。 And assigned to the MS (beam) _ | * factor Walsh codes is (l-cO.

如果MS或用户k与l被调度(不一定是MS或用户P与j",可获得的最大容量由下面的公式给出 Or if the MS k and l are scheduled user (or the user is not necessarily the MS and P j ", the maximum achievable capacity is given by the following formula

Capacity = WPDCH log2 (1 + f ((l —厶)p + (1 - , ) )), Capacity = WPDCH log2 (1 + f ((l - Si) p + (1 -,))),

且该容量仅在这样的条件下获得,即NpDCH被分配给MSk,而剩 And the capacity obtained under these conditions only, is allocated to MSk NpDCH i.e., the left

余系数(la)被分配给MSl,其中a由(下面的公式)给出a (1-/LP I coefficient (La) is assigned to MSl, wherein a from (the following equation) is given a (1- / LP

25在本发明的其它实施例中,通信系统100可向不包括MS或用户的波束分配其它使用,其当前被分配给共享通信信道,以最优化系统容量。 25 In other embodiments of the present invention, communication system 100 may use other beams assigned to a user or MS is not included, which is currently assigned to the shared communication channel, to optimize the system capacity. 在一个这样的实施例中,分配给这样的波束的邻居波束之一的共享通信信道部分可在此波束中发送,其使用的功率等于此波束中分 This beam may be transmitted in one part of a shared communication channel of a neighbor beam such embodiment, the beam assigned to such, using power equal to this beam carve

组数据信道可获得的功率。 Set of data channel power available. 在另一这样的实施例中,整个共享控制信道,g卩,共享分组数据控制信道,(两CDM用户的和信号)可在这样的波束上发送,其使用的功率等于此波束中分组数据信道可获得的功率。 In another such embodiment, the entire shared control channel, g Jie, the shared packet data control channel, (two users and CDM signals) may be sent on such a beam using a beam power equal to this packet data channel available power. 在又一这样的实施例中,可使用未使用的Walsh码在这样的波束中发送随机调制的比特流,其使用的功率等于此波束中分组数据信道可获得的功率。 In yet another such embodiment may be used unused Walsh codes sent randomly modulated beam in such a bit stream, using a power equal to this beam power available in the data packet channel.

在本发明的另一实施例中,当通信系统100为包括多个控制信道,例如第一分组数据控制信道(PDCCH)与第二分组数据控制信道(PDCCH)的CDMA 2000 lxEV-DV通信系统时,第一PDCCH可发送给所有这样的波束(且仅发送这些波束),其中MS目前被分配给共享分组数据信道(PDCH)。 In another embodiment of the present invention, when the communication system 100 includes a plurality of control channels, for example, a first packet data control channel (PDCCH) and the second packet data control channel (PDCCH) of the CDMA 2000 lxEV-DV communication system , the first PDCCH may be sent to all such beams (the beams and transmits only), where the MS is currently allocated to the shared packet data channel (PDCH). 第二PDCCH其后仅发送这样的波束,其目标用户针对此第二PDCCH。 Subsequently only the second PDCCH transmitted beam such that a target user for this second PDCCH.

在本发明的又一实施例中,通信系统100可在共享通信信道上发送CDMA噪声(随机调制的未使用的Walsh码),以保持每一波束中的发送功率相等并且恒定,并保持C/I反馈的完整性。 In yet another embodiment of the invention, the CDMA communication system 100 may transmit noise (random modulation unused Walsh code) shared communication channel in order to maintain the transmission power of each beam equal and constant, maintaining and C / I feedback of integrity. 噪声的发送可能是合意的,只要在某些时间间隔期间在共享通信信道上没有数据要发送,或者有两个波束用于共享分组数据信道,但有四个波束用于IX 话音和数据。 Transmission of noise may be desirable, as long as the certain time intervals during a shared communication channel no data to send, or there are two beams for shared packet data channel, but there are four beams IX for voice and data. 在此情形中,仅可为共享通信信道调制四个波束中的两个,另两个波束必须以噪声填充。 In this case, only the shared communication channel can be modulated in two of the four beams, two beams must be filled with the other noise.

在本发明的另一实施例中,可能想要向波束分配扇区总发送功率 In another embodiment of the present invention, the sector may want to allocate total transmit power beam

的不同系数(而非相等的功率)。 Different coefficients (rather than equal power). 当平均流量在各波束中不平均地分布时,此方法可能是有用的。 When the average flow rate is not evenly distributed in the beam, this method may be useful. 基于同样的原因,即,服务具有不均匀角度分布的流量需求,还可能想要使用不同宽度的波束。 For the same reason, i.e., the service flow having non-uniform angular distribution requirements, may also want to use a different beam widths. 两种技术也可组合,即,波束的功率水平可以是不相等的,且波束的宽度可以是 Two techniques can also be combined, i.e., beam power level may not be equal, and the width of the beam may be

不相等的。 Not equal. 在所有情形中,不同波束中的用户之间的Walsh码的分配可以这样分配,以便以与上面所给相类似的方式最大化理论容量。 In all cases, the assigned Walsh codes between different beams so that the user can assign, so as to be given a similar manner as above to maximize the theoretical capacity. 更具体地,可以将每波束的功率维持在大致固定的水平,同时分配共享分组数据信道的Walsh码,以便最大化容量。 More specifically, each beam power may be maintained at a substantially constant level, while assigning the shared packet data channel Walsh code, in order to maximize capacity. 优选地,尽管波束之间的功率分布可以不相等,波束的功率水平应该保持大致恒定,以便不破坏来自移动(站)的C/I反馈。 Preferably, although the power distribution between the beams may not be equal, the beam should be maintained substantially constant power level, so as not to destroy the C from the mobile (station) / I feedback. 如果波束的功率水平改变,它们应不频繁地、或者以低速率改变,这是因为改变这些功率水平破坏了C/I 反馈。 If the power level of the beam is changed, they should not be frequently changed or at a low rate, this is because changing the power level of the destruction of the C / I feedback.

总之,为增加容量,即可参与并发的通信会话的MS或用户的数目,通信系统100调度与覆盖域(特别是扇区)相关联的多个波束中的每一波束中的不同的MS或用户。 In short, in order to increase the capacity, the number of participating in the communication session to the MS or concurrent users, the communication system 100 and the cover domain scheduling (particularly sector) a plurality of beams each beam associated with the MS or different user. 通过在多个波束中的每一波束中同时地调度用户,相对现有技术而言,通信系统100的性能与吞吐量得到显著增加。 By each beam in a plurality of beams simultaneously scheduled users, compared with the prior art, the performance and throughput of the communication system 100 is significantly increased. 在本发明的一个实施例中,在位于扇区中的多个MS 之间共享的通信信道(例如共享分组数据信道)的一部分被分配给在波束中调度的每一MS。 In one embodiment of the present invention, the MS is located between a plurality of sectors shared communication channel (e.g. a shared packet data channel) is allocated to each part of the MS scheduled in the beam. 分配给每一MS的共享通信信道的部分其后经由与MS相关联的波束并发地发送给MS。 Assigned to the parts of a shared communication channel for each MS via thereafter transmitted concurrently with the beam associated with the MS to the MS. 在本发明的其它实施例中,其中位于扇区内的一或多个MS共享所述共享通信信道,而位于扇区内的其它MS不利用共享通信信道,可在发送给后一种MS的共享通信信道的一部分中发送噪声。 In other embodiments of the present invention, one or more sectors sharing MS located within the shared communications channel, and the other MS is located within a sector not using a shared communications channel, one kind may be transmitted to the MS after portion of a shared communication channel in transmission noise. 在本发明的其它实施例中,与波束中调度的每一MS相关联的话音信道、数据信道与控制信道可经由与MS相关联的波束并发地发送给每一MS。 In other embodiments of the present invention, the scheduling of the beam in each of the voice channels associated with the MS, data channels and control channel may be sent concurrently to each MS via the beam associated with the MS. 在本发明的其它实施例中, 通信系统100可将分配给扇区的总发送功率在与扇区相关联的多个波束之间大致相等地分布,或者在多个波束之间以不相等的方式分布。 In other embodiments of the present invention, the communication system 100 can be assigned to the sector total transmission power is substantially equally distributed between the plurality of beams associated with a sector, or at unequal among the plurality of beams in a distributed manner. 通过个别地调节在每一波束中发送的信号的功率,可优化接收的信号的质量,并且可最小化同一扇区中的多个波束中的信号的传输导致的干扰。 By individually adjusting the power of the signal transmitted in each beam, to optimize the quality of the received signal, and may minimize interference with signals of a plurality of transmission beams in the same sector caused. 图7是通信系统IOO在经由交换波束天线系统向多个MS 11CK111 中的每一MS传送信息时执行的步骤的逻辑流程图700。 FIG 7 is a communication system IOO logic steps performed when transmitting information via the exchange-beam antenna system to a plurality of MS 11CK111 flowchart 700 of each MS. 当通信系统100,优选地为调度器106,调度(702)位于由BSS服务的特定扇区中的多个MS (例如位于由BSS 102服务的扇区151中的MS 110-111 (显示了两个),用于与该扇区相关联的多个波束160、 161 (显示了两个)中的每一波束)中不同的MS时,逻辑流程图700开始。 When the communication system 100, preferably a scheduler 106, scheduling (702) a plurality of sector-specific MS by the BSS in the service (e.g., located in a sector of 151 BSS 102 and services 110-111 in the MS (the two display a) for the plurality of beams associated with the sector 160, 161 (two shown for each beam)) is different when the MS, logic flow diagram 700 begins. 例如, 可调度多个MSllO、 111中的第一MS 110,以用于第一波束160,并且可调度多个MSllO、 111中的第二MS 111,以用于第二波束161。 For example, scheduling a plurality MSllO, 111 of the first MS 110, for first beam 160, and may schedule multiple MSllO, 111 in the second MS 111, 161 for the second beam. BSS 102经由各空中接口116、 117与多个MS 110、 lll中的每一MS BSS 102 via respective air interface 116, 117 with a plurality of MS 110, lll of each MS

通信。 Communication. 当每一空中接口116、 in包括共享通信信道,例如共享分组数 When each of the air interface 116, in a shared communications channel comprising, for example, the number of shared packet

据信道时,通信系统100,优选地为BSS 102,将共享通信信道的第一部分分配(704)给第一MS 110,并将共享通信信道的第二部分分配(706)给第二MSlll。 Allocating a second portion (706) allocating a first portion (704) when the data channel, the communication system 100, preferably BSS 102, the shared communications channel to the first MS 110, and the shared communications channel to the second MSlll. BSS 102,特别是服务每一MS的BTS,其后向第一波束160中的第一MS 110发送(708)共享通信信道的第一部分,并向第二波束161中的第二MS 111发送(710)共享通信信道的第二部分。 BSS 102, in particular of the BTS serving each MS, the first MS 110 transmits (708) a first beam 160 of the shared communication channel in a first portion thereafter, and the second MS 111 transmits a second beam 161 ( the second portion 710) a shared communication channel.

当通信系统100为CDMA通信系统时,共享通信信道可包括多个正交码。 When the communication system 100 is a CDMA communication system, shared communication channel may comprise a plurality of orthogonal codes. 在这样的情形中,将共享通信信道的第一部分分配(704〉 给第一MS 110的步骤可包括将多个正交码中的第一组正交码分配给第一MS 110,而将共享通信信道的第二部分分配(706)给第二MS 111 的步骤可包括将多个正交码中的第二组正交码分配给第二MS 111。向每一MS各自的波束160、 161中的第一与第二MS 110、 111发送(70S、 710)共享通信信道的第一与第二部分的步骤分别包括向第一波束160 中的第一MS IIO发送第一组正交码所扩展的信号以及向第二波束161 Allocating a first portion in such a case, the shared communication channel (704> MS 110 to the first step may comprise a first set of orthogonal codes assigned to the plurality of orthogonal codes in the first MS 110, and the shared allocating a second portion of the communication channel (706) to the second MS in step 111 may include a second set of orthogonal codes assigned to the plurality of orthogonal codes to each of the second MS 111. MS 160 each beam, 161 MS 110 in first and second, the transmission 111 (70S, 710) the step of first and second portions of the shared communication channel are transmitted to a first beam 160 comprising the first MS IIO a first set of orthogonal codes and spread signal 161 to the second beam

中的第二MS 111发送第二组正交码所扩展的信号的步骤。 A second step of transmitting a second set of MS 111 orthogonal codes of the spread signal. 第一组正交码与第二组正交码可分别包括多个正交码的同一部分,或者可分别 A first set of orthogonal codes and a second set of orthogonal codes may comprise a portion with a plurality of orthogonal codes, respectively, or may be separately

包括多个正交码的不同部分。 They comprise different portions of a plurality of orthogonal codes.

在本发明的另一实施例中,通信系统IOO,即BSS 102与MS 110 In another embodiment of the present invention, the IOO communication system, i.e., BSS 102 and MS 110

28和111之间的每一空中接口116、 117,可进一步包括控制信道,优选地为分组数据控制信道。 Each air interface 116, 117 between 28 and 111, may further comprise a control channel, preferably a packet data control channel. 在这样的实施例中,逻辑流程700可进一步 In such an embodiment, the logic flow 700 may further

包括由服务每一MS的BTS 104、 105分别向第一波束160中的第一MS 110与第二波束161中的第二MS 111发送(712)控制信道的步骤。 Each service comprises the MS BTS 104, 105 of the control channel transmission step (712), respectively, a first beam 111 to the second MS 160 in the first MS 110 and the second beam 161. 在本发明的又一实施例中,通信系统100可进一步包括多个控制信道,优选地为多个分组数据控制信道。 In yet another embodiment of the present invention, the communication system 100 may further include a plurality of control channels, preferably a plurality of packet data control channel. 在这样的实施例中,由服务每一MS的BTS分别向第一波束160中的第一MS 110与第二波束161 中的第二MS lll发送(712)控制信道的步骤可包括分别经由各个波束160与161向第一MS 110与第二MS发送多个分组数据控制信道中的第一控制信道的步骤。 In such an embodiment, each step of the MS by the serving BTS 160, respectively, to the first beam in the first beam and the second MS 110 in the second MS 161 transmits LLL (712), respectively, via the control channel may include various step plurality of packet data control channel in the first control channel 161 of beam 160 and a first MS 110 transmits to the second MS. 逻辑流程700其后可进一步包括由服务每一MS的BTS在第一波束160中,但不在第二波束161中,发送(714) 多个控制信道中的第二控制信道的步骤。 Thereafter the logic flow 700 may further comprise the MS by the serving BTS in each of the first beam 160, but not the second beam 161, a step (714) the plurality of control channels in the second control channel is transmitted.

在本发明的又一实施例中,通信系统100,即BSS 102与MS 110 和lll之间的每一空中接口116、 117,可进一步包括多个话音信道与多个数据信道。 In yet another embodiment of the present invention, the communication system 100, i.e., each air interface between the BSS 102 and MS 110 and lll 116, 117, may further comprise a plurality of voice channels to a plurality of data channels. 在这样的实施例中,逻辑流程700可进一步包括由服务MS的BTS向第一波束160中的MS 110发送(716)多个话音信道中的第一话音信道以及多个数据信道中的第一数据信道,以及由服务MS的BTS向第二波束161中的第二MS 111发送(718)多个话音信道中的第二话音信道以及多个数据信道中的第二数据信道的步骤。 In such an embodiment, the logic flow 700 may further comprise sending (716) a first plurality of voice channels in the speech channel to the MS by the BTS serving the MS 160 a first beam 110 and a first plurality of data channels data channel, and the step of transmitting a second data channel (718) a plurality of voice channels to the second beam 161 in the second MS 111 by the BTS serving the MS a second plurality of data channels and voice channels. 在本发明的又一实施例中,逻辑流程700可进一步(包括)由服务MS 的BTS在与扇区151相关联的多个波束中的第三波束中发送(720) 多个话音信道中的第三话音信道以及多个数据信道中的第三数据信道,以及在与第三波束相关联的共享通信信道的一部分中发送(722) 噪声的步骤。 In yet another embodiment of the present invention, the logic flow 700 may further (including) transmitted by the BTS serving the MS 151 in a plurality of sectors associated with the beam of the third beam (720) a plurality of voice channels the third data channel of the third plurality of voice channels and data channels, and a step of transmitting a portion of a shared communication channel with a third beam associated with the (722) noise.

在本发明的其它实施例中,分配给扇区151的总发送功率的不同比例可分配给与该扇区相关联的多个波束160、 161中的每一个。 In other embodiments of the present invention, the proportion of the total allocated to different transmission power sector 151 may be assigned to a plurality of beams associated with the sector 160, 161 each. example

如,在本发明的一个实施例中,BSS 102或者服务每一MS的BTS可将分配给扇区151的总发送功率的同样比例分配(724)给多个波束160、 161中的每一个。 For example, in one embodiment of the present invention, BSS 102, or the BTS serving each MS can be assigned to the same percentage distribution of the total transmit power of sector 151 (724) to a plurality of beams 160, 161 each. 当在每一波束中发送的信号扩展所用的各组正交码大小不同时,向多个波束中的每一个分配总发送功率的同样比例的结果可能是向每一正交码分配不同的发送功率。 When the size of each group of orthogonal code spreading signals transmitted in each beam is not used while the results of the same proportion to the total transmission power distribution of each of the plurality of beams may be an orthogonal code assigned to each different transmission power. 然而,不必向每一波束分配总功率的同样比例,并且在本发明的另一实施例中,BSS102 或者服务每一MS的BTS可将分配给扇区151的总发送功率的不同比例分配(726)给多个波束160、 161中的每一个。 However, not necessarily to the same percentage distribution of the total power in each beam, and in another embodiment of the present invention, BSS102 or service for each BTS the MS may be allocated to allocate different proportions of the total transmission power of the sector 151 (726 ) to a plurality of beams 160, 161 each.

通过在与覆盖域(特别是扇区)相关联的多个波束中的每一波束中调度不同的MS或用户,通信系统100增加了容量,即可参与并发的通信会话的移动站(MS)或用户的数目。 By covering the field (particularly sector) associated with each beam in a plurality of beams of different scheduling MS or user, increasing the capacity of the communication system 100, the mobile station can participate in a communication session concurrent (MS) or the number of users. 调度位于覆盖域(优选地为扇区)中的多个MS中的每一MS,以用于与该扇区相关联的多个波束中的不同波束。 It scheduling located in the coverage domain (preferably a sector) a plurality of each of the MS in the MS, for the sector with the plurality of beams associated with different beam. 通过在多个波束中的每一波束中同时地调度多个MS中的每一MS,相对现有技术而言,通信系统的性能与吞吐量得到显著增加。 Each of the plurality of scheduling MS MS simultaneously by the plurality of beams in each beam, the relative prior art, the communication system performance and throughput significantly increased. 进一步地,通过在多个波束中的每一波束中同时地调度多个MS中的每一MS,可经由与每一MS相关联的波束向多个MS并发地发送与波束中调度的每一MS相关联的共享通信信道、话音信道、 数据信道、与控制信道。 Further, by the plurality of beams in each beam of the plurality of scheduled concurrently every MS in the MS, may be sent concurrently to a plurality of MS via the beam associated with each MS scheduled in each of the beam a shared communication channel associated with the MS, the voice channel, data channel, control channel. 另外,可个别地调节在每一波束中发送的信号的功率,以优化接收的信号的质量,并最小化由同一扇区中的多个波束中的信号的发送导致的干扰。 Further, the power signal can be adjusted individually transmitted in each beam in order to optimize the quality of the received signal, and to minimize the interference caused by signals transmitted in a plurality of beams in the same sector.

尽管参照其特定实施例显示和描述本发明,本领域技术人员将理解,可进行各种修改和对其组件进行等价替换,而不偏离如所附权利要求书所阐明的本发明的范围。 While the present invention is shown and described, those skilled in the art will appreciate that various modifications and equivalents may be substituted for its components without departing from the appended claims set forth the scope of the present invention with reference to specific embodiments thereof. 相应地,说明书与附图应被视为阐释性的而非限制性的,并且所有这样的修改与替换均被试图包括在本发明的范围之内。 Accordingly, the specification and drawings are to be considered as illustrative and not restrictive, and all such modifications and alterations are intended to be included within the scope of the present invention.

上面已参照特定实施例描述了好处、其它优点、以及问题的解决方案。 The above embodiments have been described with particular reference to the benefits, other advantages, and solutions to problems. 然而,好处、优点、问题的解决方案,以及任何可引起任何好处、优点、或解决方案发生或变得更加显著的一种或多种组件不应被解释为任何权利要求的决定性的、必需的或本质性的特性或组件。 However, solutions benefits, advantages, problems, and any that may cause any benefit, advantage, or solution to occur or become more critical programs one or more significant components should not be construed as in any of claims, required or the characteristics or nature of the components. 如这里所使用的那样,术语"包括"或其任何其它变形意欲指代非排它性的包括,使得包括一系列组件的过程、方法、物品或设备不仅包括这些列出的组件,还可包括未特别地列出的或为这样的过程、方法、 物品或设备所固有的其它组件。 As used herein, the term "comprising" or any other variation thereof is intended to refer to a nonexclusive inclusion, such that a process assembly, method, article, or apparatus include not only those components listed, further comprising or other components of such a process, method, article, or apparatus not specifically inherent listed.

Claims (22)

1. 一种在包括交换波束天线系统的通信系统中,用于在多个波束之中分配共享通信信道的方法,其中所述共享通信信道包括多个正交码,并且其中所述方法包括:测量与多个波束中每个波束相关的多个传播信道;将所述多个正交码的第一部分分配给所述多个波束中的第一波束,将所述多个正交码的第二部分分配给所述多个波束中的第二波束,其中所述第一和第二部分是在第一波束中的基站和移动站之间以及在第二波束中的基站和移动站之间的传播信道的测量质量的函数;通过所述第一波束发送所述多个正交码的所述第一部分的正交码所扩展的信号到第一移动站;以及通过所述第二波束发送所述多个正交码的所述第二部分的正交码所扩展的信号到第二移动站。 1. A communication system comprising a switched beam antenna system, a method for sharing a communication channel allocated among a plurality of beams, wherein said shared communication channel comprising a plurality of orthogonal codes, and wherein the method comprises: measuring a plurality of propagation channels associated with each beam of the plurality of beams; the first portion of the plurality of orthogonal codes allocated to the plurality of beams in the first beam, the first of the plurality of orthogonal codes second part assigned to the second plurality of beams in the beam, wherein between the first and second portions between the first beam is a base station and a mobile station and a second beam of the base and mobile stations measured as a function of the quality of the propagation channel; transmitting the plurality of orthogonal codes of the first beam through the first portion of the expanded orthogonal code signal to the first mobile station; and the second beam transmitted by orthogonal code of the second portion of the plurality of orthogonal codes of the spread signal to the second mobile station.
2. 如权利要求l所述的方法,其中:发送所述多个正交码的所述第一部分的正交码所扩展的信号包括调度用于所述第一波束的所述第一移动站并且通过所述第一波束发送所述多个正交码的所述第一部分的正交码所扩展的信号到所述第一移动站;发送所述多个正交码的所述第二部分的正交码所扩展的信号包括调度用于所述第二波束的所述第二移动站并且通过所述第二波束发送所述多个正交码的所述第二部分的正交码所扩展的信号到所述第二移动站;其中,所述多个正交码的所述第一和第二部分基于在第一波束中的基站和第一移动站之间的传播信道的测量质量以及在第二波束中的基站和第二移动站之间的传播信道的所述质量。 2. The method according to claim l, wherein: the transmitting the plurality of orthogonal codes of the orthogonal code of the first portion of the expanded signal includes the scheduling for the first beam of the first mobile station and wherein the plurality of orthogonal codes transmitted by the first beam of the first portion of the expanded orthogonal code signal to the first mobile station; the sending the second portion of the plurality of orthogonal codes the orthogonal code spreading signal comprises a schedule for the second beam and the second mobile station transmits the orthogonal codes of the orthogonal codes of the plurality of second portion through the second beam spread signal to the second mobile station; wherein said plurality of said first and second orthogonal codes based in part on the propagation channel between the base station and the first beam in the first mobile station the quality measurement and the quality of the propagation channel between the base station and the second mobile station in the second beam.
3. 如权利要求2所述的方法,其中,所述通信系统进一步包括控制信道,并且其中,所述方法进一步包括步骤:在所述第一波束与所述第二波束中的每一个中发送所述控制信道。 3. The method according to claim 2, wherein said communication system further comprises a control channel, and wherein said method further comprises the step of: transmitting the first beam and the second beam in each of the the control channel.
4. 如权利要求3所述的方法,其中,所述控制信道包括第一控制信道,其中,所述通信系统进一步包括第二控制信道,其与所述第一移动站相关联,而不与所述第二移动站相关联,并且其中,所述方法进一步包括歩骤:在所述第一波束中但不在所述第二波束中发送所述第二控制信道。 4. The method of claim 3 with the first mobile station is associated, wherein the control channel comprises a first channel, wherein said system further comprises a second communication channel, rather than with the second mobile station is associated, and wherein the method further comprises the step ho: but not the second beam transmitting the second control channel in said first beam.
5. 如权利要求2所述的方法,其中,所述通信系统进一步包括多个话音信道与多个数据信道,并且其中,所述方法进一步包括以下步骤:在所述第一波束中发送所述多个话音信道中的第一话音信道以及所述多个数据信道中的第一数据信道;和在所述第二波束中发送所述多个话音信道中的第二话音信道以及所述多个数据信道中的第二数据信道。 5. The method according to claim 2, wherein said communication system further comprises a plurality of voice channels to a plurality of data channels, and wherein said method further comprises the step of: transmitting the beam in the first first voice channel of the plurality of voice channels and data channels of the first plurality of data channels; and transmitting the plurality of voice channels in said second beam and said second plurality of voice channel a second data channel data channel.
6. 如权利要求1所述的方法,其中,所述通信系统被划分为多个地理扇区,并且其中,所述多个波束中的每一波束在所述多个扇区中的同一扇区中发送。 6. The method according to claim 1, wherein the communication system is divided into a plurality of geographic sectors, and wherein each beam of the plurality of beams with a plurality of sectors in the District sent.
7. 如权利要求l所述的方法,进一步包括-通过所述共享通信信道和所述第一波束发送用户信息;以及在用户信息的传输的同时,如果在所述第二波束中,对于给定时隙不存在对于所述共享信道的要求的话,在第二波束中发送与在第一波束中相同的共享通信信道传输。 7. The method according to claim l, further comprising - a shared communications channel and the first beam transmitted through the user information; and transmitting information while the user is, if the second beam, for a given time slot, then the transmission is the same in the first beam in the second beam in a shared communication channel for the shared channel is required does not exist.
8. 如权利要求l所述的方法,进一步包括: 通过所述共享通信信道和所述第一波束发送用户信息;以及在用户信息的传输的同时,如果在所述第二波束中,对于给定时隙不存在对于所述共享信道的要求的话,在第二波束中使用第一波束未使用的共享通信信道的正交码发送噪声。 8. The method according to claim l, further comprising: a shared communication channel and the first beam transmitted through the user information; and transmitting information while the user is, if the second beam, for a given time slot does not exist, a first beam using a shared communications channel not used in the second transmitted beam orthogonal code noise to claim shared channel.
9. 如权利要求8所述的方法,进一步包括维持与第一波束相关联的发送功率,近似等于与第二波束相关联的发送功率。 9. The method according to claim 8, further comprising maintaining a first beam transmitter power associated with approximately equal transmission power associated with the second beam.
10. 如权利要求1所述的方法,进一步包括维持与第一波束相关联的发送功率,近似等于与第二波束相关联的发送功率。 10. The method according to claim 1, further comprising maintaining a first beam transmitter power associated with approximately equal transmission power associated with the second beam.
11. 如权利要求2所述的方法,进一步包括在第一波束中,对于共享通信信道,维持近似恒定的发送功率;以及在第二波束中,对于共享通信信道,维持近似恒定的发送功率。 11. The method according to claim 2, further comprising a first beam, for the shared communication channel, the transmission power is maintained approximately constant; and a second beam, the transmission power for the shared communication channel is maintained approximately constant.
12. 在包括生成多个预先确定的、固定的波束的交换波束天线系统的通信系统中, 一种基站子系统,其包括-天线阵列,其包括多个阵列组件;处理器,其包括正交码发生器,用于生成多个正交码,其中所述多个正交码被分配给共享通信信道,其中所述处理器与多个固定波束的第一波束相关联地分配所述多个正交码的第一部分,与多个固定波束的第二波束相关联地分配所述多个正交码的第二部分,其中所述处理器基于与所述第一波束相关联的传播信道质量测量以及与所述第二波束相关联的传播信道质量测量而与第一和第二波束相关联地分配所述多个正交码,并且,其中所述多个正交码的第一部分的正交码所扩展的信号通过一个或多个第一天线阵列进行发送和所述多个正交码的第二部分的正交码所扩展的信号通过一个或多个第二阵列组件进行发送。 12. includes generating a plurality of predetermined fixed beam antenna beam switching system of a communication system, a base station subsystem, comprising - an antenna array comprising a plurality of array assembly; a processor that includes an orthogonal code generator for generating a plurality of orthogonal codes, wherein said plurality of shared communication channel is allocated to orthogonal codes, wherein the processor and the plurality of fixed beams of a first beam of said plurality of dispensing association a first portion orthogonal codes, orthogonal codes assigned to the plurality of the second portion of the plurality of fixed beams in association with the second beam, the first channel quality based on beam propagation channels associated with said processor, wherein and a second measurement beam associated with the propagation channel quality measurements and said plurality of orthogonal codes with the first and second beams associated dispensing, and wherein said first portion of the plurality of orthogonal codes of n the second cross-section orthogonal code spreading codes and the signal transmitted by a plurality of orthogonal codes one or more first antenna array spread signal transmitted through one or more second array assembly.
13. 如权利要求12所述的基站子系统,其进一步包括调度器,其向第一移动站分配所述第一波束,并向第二移动站分配所述第二波束。 13. A base station subsystem according to claim 12, further comprising a scheduler that allocates the first beam to the first mobile station, and assigns a second mobile station of the second beam.
14. 如权利要求12所述的基站子系统,其中,所述基站子系统进一步在所述第一波束与所述第二波束中的每一个中发送控制信道。 14. A base station subsystem according to claim 12, wherein the base station subsystem further transmits a control channel with each of said second beam in the first beam.
15. 如权利要求14所述的基站子系统,其中,所述控制信道是第一控制信道,并且其中,所述基站子系统进一步在所述第一波束但不在所述第二波束中发送第二控制信道,其中第二控制信道不同于第—控制信道。 15. The subsystem is further but not the first beam and the second beam transmitting the first base station subsystem as claimed in claim 14, wherein said first control channel is a control channel, and wherein the base station two control channel, wherein the second control channel different from the first - control channel.
16. 如权利要求12所述的基站子系统,其中,所述基站子系统进一步在所述第一波束中发送第一话音信道、数据信道以及对应于所述共享通信信道的所述正交码的第一部分所扩展的信号,并且在所述第二波束中发送第二话音信道以及对应于所述共享通信信道的所述正交码的第二部分所扩展的信号。 The orthogonal code 16. The base station subsystem of claim 12, wherein the base station subsystem further transmits a first voice channel in said first beam, and a data channel corresponding to the shared communication channel the first portion of the spread signal, and transmitting the second voice channel and a second beam corresponding to the second portion of the orthogonal code of the shared communication channel the spread signal.
17. 如权利要求12所述的基站子系统,其中,所述基站子系统操作在被划分为多个地理扇区的通信系统中,并且其中,所述多个波束中的每一波束在所述多个扇区中的同一扇区中发送。 17. The base station subsystem according to claim 12, wherein the base station subsystem operating in a plurality of geographically divided into sectors of a communication system, and wherein each beam of the plurality of beams in the sending the same sector of said plurality of sectors.
18. 如权利要求12所述的基站子系统,其中所述基站子系统进—步包括多个加权器,其中,所述多个加权器中的每一加权器连接到所述处理器并进一步连接到所述多个阵列组件中的一个阵列组件,并且,其中所述处理器将多组加权系数传送给所述加权器,其中所述多组加权系数中的第一组加权系数由所述加权器用于通过第一阵列组件发送,其中所述多组加权系数中的第二组加权系数由所述加权器用于通过第二阵列组件发送。 18. A base station subsystem according to claim 12, wherein the base station subsystem into - further comprising a plurality of weights, wherein said plurality of weighting weighting each vessel is connected to the processor and further connected to the plurality of array assembly of one array assembly, and wherein the processor transmits a plurality of sets of weighting coefficients to the weighting device, wherein the plurality of sets of the first set of weighting coefficients by the weighting coefficients weighting for transmitting via a first array assembly, wherein the second set of weighting coefficients of the plurality of sets of weighting coefficients by the weighting for transmitting via a second array assembly.
19. 如权利要求12所述的基站子系统,其中所述基站子系统通过所述共享通信信道和所述第一波束发送用户信息,并且,在用户信息的传输的同时,如果在所述第二波束中,对于给定时隙不存在对于所述共享信道的要求的话,在第二波束中发送与在第一波束中相同的共享通信信道传输。 19. The base station subsystem according to claim 12, wherein the base station subsystem through the shared communications channel and the first beam transmitting user information, and, while the user is transmitting information, if the first two beams, then for a given time slot, as in the first transmit beam in the second beam in a shared communication channel for the shared channel is required does not exist.
20. 如权利要求12所述的基站子系统,其中所述基站子系统通过所述共享通信信道和所述第一波束发送用户信息,并且,在用户信息的传输的同时,如果在所述第二波束中,对于给定时隙不存在对于所述共享信道的要求的话,在第二波束中使用第一波束未使用的共享通信信道的正交码发送噪声。 20. A base station subsystem according to claim 12, wherein the base station subsystem through the shared communications channel and the first beam transmitting user information, and, while the user is transmitting information, if the first two beams, for a given time slot does not exist, a first beam using a shared communications channel not used in the second transmitted beam orthogonal code noise to claim shared channel.
21. 如权利要求12所述的基站子系统,其中所述基站子系统维持与第一波束相关联的发送功率,近似等于与第二波束相关联的发送功率。 21. A base station subsystem according to claim 12, wherein the base station subsystem to maintain the transmission power associated with the first beam, is approximately equal to the transmission power and the second beam associated.
22. 如权利要求13所述的基站子系统,其中所述基站子系统在第一波束中,对于共享通信信道,维持近似恒定的发送功率,并且, 在第二波束中,对于共享通信信道,维持近似恒定的发送功率。 22. A base station subsystem according to claim 13, wherein said first beam in a base station subsystem, for the shared communication channel, the transmission power is maintained approximately constant, and, in a second beam, for the shared communication channel, maintaining an approximately constant transmission power.
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