CN1136675C - Method for establishing call in honeycomb system - Google Patents

Method for establishing call in honeycomb system Download PDF

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Publication number
CN1136675C
CN1136675C CNB99122017XA CN99122017A CN1136675C CN 1136675 C CN1136675 C CN 1136675C CN B99122017X A CNB99122017X A CN B99122017XA CN 99122017 A CN99122017 A CN 99122017A CN 1136675 C CN1136675 C CN 1136675C
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mobile station
base station
message
mobile
station
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CN1250267A (en
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金益汉
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三星电子株式会社
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Abstract

一种在蜂窝系统中建立呼叫的方法,包括:移动台向基站请求始发;基站向移动交换中心请求资源分配;移动交换中心发送确认给移动台;移动台发送信道分配消息给基站;发送信道分配消息给移动台后基站操作定时器;基站发送空业务消息给移动台;移动台接收该消息后发送移动台获取消息给基站;若定时器结束前收到移动台获取消息,则基站将呼叫业务连到移动台;若直至定时器结束未收到移动台获取消息,则基站重发信道分配消息给移动台。 A method of establishing a call in a cellular system, comprising: a mobile station requests the base station origination; station resource assignment request to the MSC; Mobile Switching Center sends an acknowledgment to the mobile station; the mobile station sends a channel allocation message to the base station; transmission channel after the allocation message to the mobile station a base station operation of a timer; base station transmits null traffic message to the mobile station; mobile station sends a message to the base station acquires the mobile station, after receiving the message; if the message is received before the end of the mobile station acquires the timer, the base station will call service to the mobile station is connected; if not received until the timer expires the mobile station acquires the message, the base station retransmission channel allocation message to the mobile station.

Description

在蜂窝系统中建立呼叫的方法 A method of establishing a call in a cellular system

技术领域 FIELD

本发明涉及在蜂窝系统中建立呼叫的方法。 The present invention relates to a method for establishing a call in a cellular system. 更具体地,本发明是用于在使用码分多址(CDMA)技术的蜂窝系统中建立呼叫方与被叫方的方法。 More particularly, the present invention is a method for establishing a call party and a called party using the code division multiple access (CDMA) technology for a cellular system.

背景技术 Background technique

在蜂窝系统中,总的覆盖区域分成许多基站区域,并且每个基站区域具有许多小区区域作为最小的服务区。 In a cellular system, the overall coverage area of ​​a base station into a plurality of regions and each region having a plurality of base station cell area as the smallest service area.

移动交换中心(MSC)控制所述基站,并且甚至在移动电话机在小区之间移动时使呼叫继续。 A mobile switching center (MSC) controlling the base station, and makes a call to continue even when the mobile telephone moves between cells.

图1表示使用码分多址(CDMA)技术的蜂窝系统的结构。 1 shows the use of Code Division Multiple Access (CDMA) cellular system structure of the prior art. 如图所示,蜂窝系统包括:用于提供呼叫业务给移动台(MS)10的基站(BS)20、30、40;用于将许多基站连到公共交换电话网(PSTN)60的移动交换中心(MSC)50。 , The cellular system as shown comprises: means for providing call service to a base station (BS) 20,30,40 mobile station (MS) 10; a plurality of base stations connected to the public switched telephone network (PSTN) 60 to a mobile switching Center (MSC) 50.

在上面的蜂窝系统中,从基站至移动台的链路称为前向链路,而从移动台至基站的链路称为反向链路。 In the above cellular system, the link from the base station to the mobile station is called the forward link, and the link from the mobile station to the base station is called a reverse link.

支持CDMA技术的基站使用具有导频信道、同步信道与寻呼信道、以及用于前向链路的业务信道和用于反向信道的接入信道的许多信道。 CDMA technology support base having a pilot channel, a synchronization channel plurality of channels and paging channels, and access channels used for the reverse channel prior to the traffic channel and link.

基站使用称为信道单元CE的设备用于操作信道。 The base station uses a device called a channel unit for operating the CE channel. 并且基站具有许多信道单元,而且每个信道单元由上面信道之一进行操作。 And the base station unit having a plurality of channels, and each channel unit is operated by one of the above channels.

如果用户请求对话,移动台尝试建立始发给基站的呼叫。 If the user requests a session, the mobile station attempts to establish a call origination to the base station.

图2是表示建立呼叫的公知方法的流程图。 FIG 2 is a flowchart illustrating a known method to establish the call.

移动台10通过基站的接入信道单元(ACH)22发送始发/寻呼响应消息给基站的基站控制处理器(BCP)24(步骤1)。 The mobile station sends an Origination 10 / page response over the access channel unit of the base station (ACH) 22 message to the base station control processor (BCP) 24 (step 1).

基站控制处理器发送请求资源分配的消息给移动交换中心50,并通过寻呼信道单元(PCH)23发送始发/寻呼的确认给移动台(步骤3)。 The base station control processor transmits a resource allocation request message to the mobile switching center 50, and sends an acknowledgment origination / paging to the mobile station (Step 3) by means of paging channel (PCH) 23.

移动交换中心50查找请求资料分配的用户的信息,并在此用户具有接收呼叫业务权时发送信道分配消息给基站控制处理器24(步骤4)。 Information of the user to find the mobile switching center 50 requests allocation information, and the user receives a call having the temporary traffic channel assignment message transmitted to the base station control processor 24 (Step 4).

在通过寻呼信道单元发送信道分配消息给移动台之后,基站处理器选择能在基站中使用的上面的业务信道之一,并通过所选择的业务信道单元发送业务分配(步骤4)。 After the allocation message to the mobile station through a paging channel unit transmit channel, the base station processor selects one of the above traffic channel can be used in the base station, and by selecting the traffic channel allocation unit transmits traffic (Step 4).

此业务信道单元21发送没有呼叫数据的空业务消息给移动台,并通知所分配的业务信道的状态(步骤7)。 This state of the traffic channel element 21 transmits null traffic data is not a call message to the mobile station, and notifies the assigned traffic channel (step 7).

移动台在接收空业务消息之后发送前置码给业务信道单元,以便通知准备呼叫的状态。 The mobile station sends a preamble to the traffic channel service unit after receiving the empty message to inform the call ready state.

具有移动台前置码的业务信道单元发送移动台获取消息给基站控制处理器(步骤8与9)。 Traffic channel means having the mobile station transmits a preamble message to the base station acquires the mobile station control processor (step 8 and 9).

然后,移动台与基站通过交换话音数据来处理呼叫。 Then, the mobile station and the base station by exchanging voice data to the call processing.

基站控制处理器在通过寻呼信道单元发送信道分配消息给移动台的同时操作具有预定操作时间(例如,5秒)的定时器(步骤6)。 Operation of the base station control processor having a predetermined operation time (e.g., 5 seconds) of the timer (step 6) while the channel assignment message over the paging unit transmits a channel to the mobile station.

如果根据移动台的状态传播状态快速变坏,则移动台不能接收利用寻呼信道单元发送的信道分配消息。 If the rapid deterioration of the state of the propagation state of the mobile station, the mobile station can not receive a paging channel using the channel allocation message transmitted by unit.

而且,由于移动台不能从寻呼信道转到业务信道,所以移动台不能接收业务信道单元的空业务消息,并且由于移动台不能发送前置码给基站,所以基站不能检测来自移动台的信号。 Further, since the mobile station can not go traffic channel from the paging channel, the mobile station can not receive air traffic service channel unit message, and since the mobile station can not transmit a preamble to the base station, the base station can not detect a signal from the mobile station.

在发送信道分配消息(在步骤5中)之后,如果直至定时器正常计满也未接收到移动台获取消息,则基站控制处理器忽略在前面步骤中执行的所有动作,并发送释放消息给业务信道单元,以便取消呼叫(步骤10)。 In the transmission channel allocation message (in step 5), the normal until the timer expires if not received even if the mobile station acquires the message, the base station control processor to ignore all of the actions performed in the previous step, and sends a release message to the service channel element, in order to cancel the call (step 10).

但是,在上面情况中,基站已请求呼叫建立和分配资源给移动交换中心或公共交换电话网。 However, in the above case, the base station has requested the call establishment and allocation of resources to the mobile switching center or public switched telephone network.

因此,即使在移动台不只是接收信道分配消息时,应除去已分配给基站、移动交换中心与公共交换电话网的资源。 Accordingly, even when the mobile station receives not only the channel assignment message, should be removed has been assigned to the base station resources, the mobile switching center and a public switched telephone network.

如上所述,用于建立呼叫的公知的方法没有有效利用资源,并且具有由于呼叫建立失败而引起低业务速率的问题。 As described above, a known method for establishing a call is not efficient use of resources, and has problems due to the call setup failure cause low traffic rate.

发明内容 SUMMARY

本发明起源于解决上面的问题。 The present invention is originated to solve the above problems.

本发明的一个目的是提供一种方法,用于在移动台由于前向链路的不良状态而没有从基站接收信道分配消息时尝试连续呼叫而在蜂窝系统中建立呼叫。 An object of the present invention is to provide a method for attempting the call when the mobile station continuously without allocation message received from the base due to poor channel state of a forward link and establishing a call in a cellular system.

本发明的另一目的是提供一种方法,用于在移动台没有从基站接收信道分配消息时使基站再次发送信道分配消息而在蜂窝系统中建立呼叫。 Another object of the present invention is to provide a method for the base station when the mobile station is not assigned message channel transmitted from a base station a channel assignment message again to establish a call in a cellular system.

本发明的另一目的是提供一种方法,用于在发送信道分配消息的基站没有从移动台中接收前置码时保持所分配的资源直至移动台取消呼叫来在蜂窝系统中建立呼叫。 Another object of the present invention is to provide a method of maintaining resource is not allocated upon receiving the base station preamble allocation message from the mobile station in the transmission channel for the mobile station cancels the call until the call is established in a cellular system.

为达到上述目的,本发明提供一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求始发;由被请求的基站向移动交换中心请求资源分配;利用所分配的资源从移动交换中心发送确认给移动台;由基站发送信道分配消息给移动台;由基站在发送信道分配消息给移动台之后操作定时器;由基站发送通知业务信道分配的状态的空业务消息给移动台;移动台在从基站接收空业务消息之后发送移动台获取消息给基站;如果在定时器正常结束之前收到移动台获取消息,则由基站将呼叫业务连到移动台;如果直至定时器正常结束未收到移动台获取消息,则由基站重发信道分配消息给移动台。 To achieve the above object, the present invention provides a mobile having a call service for providing to the user's mobile station, for exchanging radio messages to the base station for the mobile station and the base station or another base station connected to a public switched telephone network in establish a cellular system switching center calls a method, the method comprising the steps of: originating a request to the base station by a mobile station; requesting a resource allocation by the base station to the mobile switching center is requested; transmitted using the allocated resource acknowledgment from the mobile switching center to the mobile station; assigned by the base station sends a channel message to the mobile station; assignment message transmission channel from the base station to the operation of the timer after the mobile station; null traffic sent notification service by the base station channel assignment status message to the mobile station; mobile station from after the base station transmits null traffic message received message to the base station acquires the mobile station; if the mobile station acquires the message received before the timer ends normally, the call traffic by the base station connected to the mobile station; if not received until the timer ends normally mobile station Get message, by the base station retransmission channel allocation message to the mobile station.

本发明还提供一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求始发;由被请求的基站发送确认给移动台;由移动台操作定时器;如果在定时器正常结束之前收到空业务消息,则由移动台将呼叫业务连到基站;如果直至定时器正常结束未收到空业务消息,则取消呼叫。 The present invention also provides a method for providing a call with a cellular service to the user's mobile station, for exchanging radio messages to the base station for the mobile station and a base station connected to another base station to the mobile switching center or public switched telephone network the method of establishing a call system, the method comprising the steps of: originating a request to the base station by the mobile station; sending an acknowledgment by the base station to the mobile station is requested; operation of a timer by the mobile station; if received before the timer ends normally empty service message, the call service by the mobile station to the base station is connected; if not received until the timer ends normally null traffic message, the call is canceled.

本发明还提供一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求建立呼叫;由被请求的基站发送信道分配消息给移动台;如果在预定时间内发送信道分配消息的基站未从移动台接收到获取信号,则由基站重发信道分配消息给移动台。 The present invention also provides a method for providing a call with a cellular service to the user's mobile station, for exchanging radio messages to the base station for the mobile station and a base station connected to another base station to the mobile switching center or public switched telephone network the method of establishing a call system, the method comprising the steps of: the mobile station requests the base station to establish a call; assigned by the transmission channel base station the requested message to the mobile station; if the transmission channel within a predetermined time allocation message the base station is not from the mobile station the received signal to the acquisition, by the base station retransmission channel allocation message to the mobile station.

本发明还提供一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求建立呼叫;由所请求的基站向移动交换中心请求资源分配;由所请求的基站发送确认给移动台;由所请求的移动交换中心分配信道给移动台;由基站发送信道分配消息给移动台;如果发送信道分配消息的基站在第一预定时间内未检测到移动台获取信号,则保持有关连接到基站与移动交换中心的移动台的资源。 The present invention also provides a method for providing a call with a cellular service to the user's mobile station, for exchanging radio messages to the base station for the mobile station and a base station connected to another base station to the mobile switching center or public switched telephone network create a system method call, the method comprising the steps of: the mobile station requests the base station to establish a call; resource assignment request to the mobile switching center by the base station request; base station transmits the requested acknowledgment to the mobile station; the requested the mobile switching center assigned channels to the mobile station; assigned by the base station sends a channel message to the mobile station; if the base station transmits a channel assignment message within a first predetermined time has not detected the mobile station acquires the signal, then holding the relevant base station connected to a mobile switching center the resources of the mobile station.

附图说明 BRIEF DESCRIPTION

图1表示利用码分多址(CDMA)技术的常规蜂窝系统的结构;图2是表示用于建立呼叫的公知方法的流程图;图3表示根据本发明的蜂窝系统的结构;和图4是表示根据本发明建立呼叫的方法的流程图。 1 shows a structure of a conventional cellular system using code division multiple access (CDMA) technique; FIG. 2 is a flowchart of the establishment of well-known methods for the call; Figure 3 shows the structure of a cellular system according to the present invention; and FIG. 4 is a flowchart illustrating a method for establishing a call according to the present invention.

具体实施方式 detailed description

根据本发明的一个实施例,提供了一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,该方法包括以下步骤:由移动台向基站请求始发;由所请求的基站向移动交换中心请求资源分配;利用所分配的资源从移动交换中心发送确认给移动台;由移动台发送信道分配消息给基站;在由基站发送信道分配消息给移动台之后操作定时器;由基站发送通知业务信道分配状态的空业务消息给移动台;由移动台在从基站接收空业务消息之后发送移动台获取消息给基站;如果在定时器正常结束之前接收到移动台获取消息,则由基站连接呼叫业务到移动台;如果直至定时器正常结束未接收到移动台获取消息,则由基站重发信道分配消息给移动台 According to an embodiment of the present invention, there is provided a method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and the base station or another base station connected to a public switched telephone network establishing a mobile cellular system a method of switching a call center, the method comprising the steps of: originating a request to the base station by a mobile station; requesting a resource allocation by the base station to the mobile switching center requested; using the resource allocated from the mobile switching center transmitting an acknowledgment to the mobile station; sending a channel assignment message to the base station by the mobile station; operation of a timer after the assignment message by the base station transmits a channel to the mobile station; by the base station transmits the notification traffic channel assignment state null traffic message to the mobile station; by the mobile station transmitting the mobile station acquires service after receiving a message from an empty message to the base station; if the mobile station acquires the received message before the normal end of the timer, the call traffic by the base station connected to the mobile station; if not received until the timer ends normally mobile station acquires message, by the base station retransmission channel allocation message to the mobile station

优选地,此方法还包括在操作定时器之后存储有关移动台的信息的另一步骤。 Preferably, the method further comprising the step of further information stored after the operation of the timer related to the mobile station.

优选地,在查找有关移动台的存储的信息之后,执行重发信道分配消息的步骤。 Preferably, after the mobile station to find information about stored, step retransmission channel assignment message.

根据本发明的另一个实施例,提供了一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,该方法包括以下步骤:由移动台向基站请求始发;由所请求的基站发送确认给移动台;由移动台操作定时器;如果在定时器正常结束之前接收到空业务消息,则由移动台将呼叫业务连到基站;如果直至定时器正常结束未接收到空业务消息,则取消呼叫。 According to another embodiment of the invention, there is provided a method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and the base station or another base station connected to a public switched telephone establishing a mobile switching center of a cellular system network calls a method, the method comprising the steps of: requesting origination by a mobile station to a base station; requested by the base station sends an acknowledgment to the mobile station; operation of a timer by the mobile station; if the timing is received before the normal end of the null traffic message, the call service by the mobile station is connected to the base station; until the timer ends normally if the null traffic message is not received, the call is canceled.

根据本发明的另一实施例,提供了一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,该方法包括以下步骤:由移动台向基站请求建立呼叫;由所请求的基站发送信道分配消息给移动台;如果在预定时间内发送信道分配消息的基站未从移动台中接收到获取信号,则由基站重发信道分配消息到移动台。 According to another embodiment of the present invention, there is provided a method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and the base station or another base station connected to a public switched telephone cellular system mobile switching center of the network in the call setup, the method comprising the steps of: the mobile station requests the base station to establish a call; assigned by the base station transmitting channel request message to the mobile station; if the transmission channel within a predetermined time allotted message is not received from the base station to the mobile station to acquire the signal, by the base station retransmission channel assignment message to the mobile station.

优选地,发送信道分配消息的步骤包括以下步骤:使用有关移动台的信息来生成信道分配消息;发送所生成的信道分配消息给移动台;将有关移动台的信息存储到基站中的存储器。 Preferably, the step of assigning a message transmission channel comprising the steps of: generating a channel assignment message using the information about the mobile station; transmitting the generated channel assignment message to the mobile station; stores information about the mobile station to the base station in the memory.

优选地,重发信道分配消息的步骤包括以下步骤:查找有关移动台的存储信息;利用所查找的信息再生成信道分配消息;发送再生成的信道分配消息给移动台。 Preferably, the step of retransmission channel allocation message comprising the steps of: storing information relating to find the mobile station; find information using the regenerated channel assignment message; Send the generated channel assignment message to the mobile station.

根据本发明的另一个实施例,提供了一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,该方法包括以下步骤:由移动台向基站请求建立呼叫;由所请求的基站向移动交换中心请求资源分配;由所请求的基站发送确认给移动台;由所请求的移动交换中心分配信道给移动台;由基站发送信道分配消息给移动台;如果发送信道分配消息的基站在第一预定时间内未检测到移动台获取信号,则保持有关连接到基站与移动交换中心的移动台的资源。 According to another embodiment of the invention, there is provided a method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and the base station or another base station connected to a public switched telephone establish a cellular system mobile switching center of the web in a method call, the method comprising the steps of: the mobile station requests the base station to establish a call; resource assignment request to the mobile switching center by the base station request; by the base station transmits the requested acknowledgment to the mobile station; by the mobile switching center assigned the requested channel to the mobile station; assigned by the base station sends a channel message to the mobile station; if the base station transmits a channel assignment message within a first predetermined time has not detected the mobile station acquires the signal, will remain relevant resources connected to the base station and mobile station in the mobile switching center.

优选地,保持有关移动台的资源,直至在移动台从基站接收确认之后经历了第二预定时间。 Preferably, the resources of the relevant mobile station until the mobile station has experienced a second predetermined time from the base station after receiving an acknowledgment.

优选地,此方法还包括另一步骤:如果发送信道分配消息的基站在第一预定时间内未检测到移动台获取信号,则重发信道分配消息给移动台。 Preferably, the method further comprising the further step of: if the base station transmits a channel assignment message within a first predetermined time has not detected the mobile station acquires the signal, the retransmission channel allocation message to the mobile station.

优选地,此方法还包括另一步骤:在由基站发送信道分配消息给移动台之后,将有关移动台的信息存储到基站中的存储器。 Preferably, the method further comprising the further step of: after the assignment message to the mobile station by the base station transmission channel, stores information about the mobile station to the base station in the memory.

优选地,此方法还包括另一步骤:如果发送信道分配消息的基站在第一预定时间内未检测到移动台获取信号,则由基站查找有关移动台的信息。 Preferably, the method further comprising the further step of: transmitting the channel assignment message if the base station within a first predetermined time has not detected the mobile station acquires the signal, to find information about the base station by the mobile station.

优选地,此方法还包括另一步骤:在查找有关移动台的信息之后,利用所查找的有关移动台的信息重发信道分配消息给移动台。 Preferably, the method further comprises further steps of: after find information about the mobile station, using the information about the retransmission channel of the sought mobile station assignment message to the mobile station.

图3表示根据本发明的蜂窝系统的结构。 FIG. 3 shows the structure of a cellular system according to the invention.

如图所示,移动台10通过无线电链路连到基站20的许多信道单元。 As shown, the mobile station 10 is connected to a number of channel elements of the base station 20 over the radio link.

基站控制处理器24通过业务信道单元21发送类似话音的呼叫数据给移动台或从移动台接收类似话音的呼叫数据,并通过接入信道单元22接收移动台的通信控制消息,和通过寻呼信道单元23发送通信控制消息给移动台。 The base station control processor 24 through a traffic channel element 21 transmits the call data of a similar voice to the mobile station or receiving a call data similar to the speech from the mobile station, and a control message access channel unit receives communication with the mobile station 22, and the paging channel a communication unit 23 sends a control message to the mobile station.

如果移动台接收用于建立发送给基站的呼叫的始发/寻呼响应消息的确认,则移动台10操作具有预定操作时间(例如,12秒)的第二定时器。 If the mobile station receives acknowledgment for establishing a call origination to the base station transmitted / paging response message, the mobile station 10 operates with a predetermined operation time (e.g., 12 seconds) of the second timer.

移动台等待基站的信道分配消息,直至第二定时器正常结束。 The mobile station waits for the base station a channel assignment message, the second timer until the normal end.

如果呼叫连接直至第二定时器正常结束,则移动台取消呼叫。 If the normal call connection until the end of the second timer, the mobile station cancels the call.

因此,本发明是在移动台的第二定时器正常结束之前重发信道分配消息的方法。 Accordingly, the present invention is a process for retransmission channel before the second timer of the mobile station assignment message ended normally.

在基站发送信道分配消息给移动台时,基站将相同的消息存储到存储器。 When the allocation message the base station to the mobile station in the transmission channel, the base station of the same message stored in the memory.

如果由于前向链路的不良状态引起移动台没有从基站接收信道分配消息,则基站重发存储的信道分配消息给移动台。 If the mobile station does not cause allocation message received from the base channel to the failure state since the front link, the base station retransmits the stored channel assignment message to the mobile station.

在基站发送信道分配消息时,基站操作第一定时器。 When the base station transmits a channel assignment message, the base station operating a first timer.

如果直至第一定时器正常结束仍未从移动台接收到前置码,则基站重发信道分配消息。 If the first timer until the normal completion is not received from the mobile station to the preamble, the base station retransmission channel assignment message.

如果移动台的状态较好,则移动台接收信道分配消息,并发送前置码给基站,以便在基站与移动台之间连接呼叫。 If the mobile station is better state, the mobile station receives the channel assignment message, and transmits a preamble to a base station in order to connect the call between the base station and the mobile station.

图4是表示根据本发明的建立呼叫的方法的流程图。 FIG 4 is a flowchart of a method according to the present invention is to establish a call.

如果用户请求呼叫,则移动台10通过基站20的接入信道单元(ACH),22发送始发/寻呼响应消息给基站控制处理器(BCP)24(步骤110)。 If the user requests a call, the mobile station 10 via the base station an access channel unit (ACH) 20, the transmission origination 22 / page response message to the base station control processor (BCP) 24 (step 110).

基站控制处理器向移动交换中心50请求资源分配(步骤120),并通过寻呼信道单元(PCH)23发送基站确认给移动台(步骤130)。 The base station control processor resource allocation request (step 120) to the mobile switching center 50, and the paging channel means (PCH) 23 the base station transmits an acknowledgment to the mobile station (step 130).

此时,移动台从基站的寻呼信道单元接收确认并操作第二定时器。 In this case, the mobile station receives the acknowledgment timer and a second operation unit from the base station of the paging channel.

请求用于始发的资源分配的移动交换中心50查找有关始发用户的信息,并在始发用户具有呼叫业务资格时允许信道分配,而且基站控制处理器通过寻呼信道单元发送信道分配消息给移动台(步骤140)。 50 allows the channel allocation when an originating user to find information about a resource allocation request to the originating mobile switching center, and has a call originating user qualification, and base station control processor channel assignment message via the paging unit to the transmission channel the mobile station (step 140).

但如果移动台的前向链路的无线电状态劣化,则由于移动台不能接收信道分配消息,所以移动台不能转移到业务信道。 However, if the mobile station deteriorates before the radio link state, since the mobile station can not receive the channel assignment message, the mobile station can not be transferred to a traffic channel.

因此,基站控制处理器发送信道分配消息以便重发信道分配消息(步骤140)、操作第一定时器(步骤150)和存储有关移动台的信息。 Thus, the base station control processor transmits the channel assignment message for retransmission channel assignment message (step 140), the operation information of the first timer (step 150) and stores information about the mobile station.

在发送信道分配消息给移动台之后,基站控制处理器选择可使用的业务信道单元(TCH),并通过经此业务信道单元发送空业务消息来通知移动台已分配业务信道(步骤160)。 Assignment message transmission channel after the mobile station, base station control processor selects a traffic channel element (TCH) may be used, and notifies the mobile station has allocated a traffic channel (step 160) by after this traffic channel unit transmits null traffic message.

接收到空业务消息的移动台通过业务信道单元发送对前置码的确认,而且接收到前置码的业务信道单元发送获取消息给基站控制处理器。 Null traffic message is received the mobile station sends an acknowledgment to the preamble of traffic channel unit and received the preamble transmission unit acquires the traffic channel message to the base station control processor.

在基站控制处理器接收到获取消息(步骤170)之后,基站将呼叫连到移动台(步骤210)。 After acquiring the base station control processor receives a message (step 170), the call connection base station to the mobile station (step 210).

但如果由于不良无线电状态而引起移动台未接收到信道分配消息,移动台不能接收空业务消息,并且不能发送作为用于空业务消息确认的前置码给基站的业务信道单元。 However, if due to poor radio status caused by the mobile station does not receive the channel assignment message, the mobile station can not receive air traffic message, and not transmitting traffic channel unit as a preamble to the null traffic confirm message to the base station.

如果直至第一定时器正常结束仍未从业务信道单元接收到移动台获取消息(步骤180),则基站控制处理器查找有关移动台的存储信息,并利用所查找的结果生成信道分配消息(步骤190),而且重发信道分配消息给移动台(步骤200)。 If the first timer until the normal end is not received from the service channel unit to the mobile station acquires the message (step 180), the base station stores information about the control processor to find the mobile station, using the result of the lookup, and generating a channel assignment message (step 190), and the retransmission channel assignment message to the mobile station (step 200).

如果移动台的无线电状态好,则移动台接收重发的信道分配消息,并从寻呼信道转移到业务信道。 If the mobile station radio status is good, the mobile station receives the retransmission channel assignment message, and transferred from the paging channel to the traffic channel.

重发信道分配消息的基站控制处理器选择各业务信道单元(TCH)中的一个,并发送业务信道分配消息给所选的业务信道单元。 Retransmission channel allocation message the base station control processor selects a respective traffic channel element (TCH) in the, and transmits traffic channel assignment message to the selected traffic channel elements.

此业务信道单元发送空业务消息给移动台。 This business unit transmits null traffic channel message to the mobile station.

随后,移动台通过发送前置码给业务信道单元来通知准备呼叫的状态,并且此业务信道单元发送移动台获取消息给基站控制处理器,以便连接呼叫。 Subsequently, the mobile station transmits a preamble to the traffic channel means to notify a call ready state, and this unit transmits the traffic channel message to the base station acquires the mobile station control processor, in order to connect the call.

从基站接收到确认(步骤130)的移动台操作第二定时器,并在直至第二定时器正常结束仍未从基站接收到空业务消息时自动取消呼叫,以避免无用的分配。 Receiving an acknowledgment from the base station (step 130) operation of a mobile station the second timer, and when the call is automatically canceled until the second timer has not normally received from the base end of the null traffic message in order to avoid unwanted dispensing.

由于在信道分配消息连续两次丢失时不必重发信道分配消息,所以发送第二信道分配消息给移动台的基站不重新存储有关移动台的信息。 Retransmission channel assignment message is not necessary due to the channel assignment message is lost twice in a row, the second transmission channel assignment message to the base station the mobile station does not re-stores information about the mobile station.

根据本发明的效果如下。 The effect of the present invention are as follows.

如果移动台由于无线电状态暂时不良而没有接收到信道分配消息,则由于在移动台关闭本身定时器并取消呼叫之前基站重发信道分配消息,所以连到基站、移动交换中心和公共交换电话网的用于呼叫始发的资源不浪费。 If the mobile station due to the radio status is temporarily bad but does not receive the channel assignment message, since the mobile station to shut itself down timer and cancel the previous call station retransmission channel allocation message, it is connected to the base station, the mobile switching center and a public switched telephone network resources for call origination is not wasted.

因此,能够更有效地利用基站与移动台之间的资源和系统中的资源,并能提高业务速率。 Thus, more effective use of resources and system between a base station and a mobile station resources, and improve traffic rate.

Claims (13)

1.一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求始发;由被请求的基站向移动交换中心请求资源分配;利用所分配的资源从移动交换中心发送确认给移动台;由基站发送信道分配消息给移动台;由基站在发送信道分配消息给移动台之后操作定时器;由基站发送通知业务信道分配的状态的空业务消息给移动台;移动台在从基站接收空业务消息之后发送移动台获取消息给基站;如果在定时器正常结束之前收到移动台获取消息,则由基站将呼叫业务连到移动台;如果直至定时器正常结束未收到移动台获取消息,则由基站重发信道分配消息给移动台。 1. A method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and a base station connected to a cellular system base station or another mobile switching center in the public switched telephone network establishing a call, the method comprising the steps of: originating a request to the base station by a mobile station; requesting a resource allocation by the base station to the mobile switching center is requested; use of resources allocated to the mobile station transmitting an acknowledgment from the mobile switching center; by the base station sending a channel assignment message to the mobile station; assignment message transmission channel from the base station to after the mobile station operation of a timer; null traffic transmitted by the base station informs traffic channel assignment status message to the mobile station; mobile station after the message from the base station receives null traffic send a message to the base station acquires the mobile station; if received before the normal end of the mobile station acquires the timer message, the call traffic by the base station connected to the mobile station; until the timer ends normally if the mobile station does not receive the message acquiring, by the base station retransmission channel allocation message to the mobile station.
2.根据权利要求1的方法,还包括在操作定时器之后存储有关移动台信息的另一步骤。 2. The method of claim 1, further comprising a further step of storing information relating to the mobile station after the operation of the timer.
3.根据权利要求1的方法,其中在查找有关移动台的存储信息之后执行重发信道分配消息的步骤。 3. The method according to claim 1, wherein the step of performing retransmission channel assignment message after the store to find information about the mobile station.
4.一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求始发;由被请求的基站发送确认给移动台;由移动台操作定时器;如果在定时器正常结束之前收到空业务消息,则由移动台将呼叫业务连到基站;如果直至定时器正常结束未收到空业务消息,则取消呼叫。 4. A method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and a base station connected to a mobile switching center, another base station or a public switched telephone network in a cellular system establishing a call, the method comprising the steps of: requesting origination by a mobile station to a base station; requested by the base station transmits acknowledgment to the mobile station; operation of a timer by the mobile station; if null traffic received before the timer message normal end , by the mobile station connected to the base station service call; if the timer until the normal end null traffic message is not received, the call is canceled.
5.一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求建立呼叫;由被请求的基站发送信道分配消息给移动台;如果在预定时间内发送信道分配消息的基站未从移动台接收到获取信号,则由基站重发信道分配消息给移动台。 5. A method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and a base station connected to a cellular system base station or another mobile switching center in the public switched telephone network establishing a call, the method comprising the steps of: the mobile station requests the base station to establish a call; assigned by the base station transmits a channel requested message to the mobile station; if the transmission channel within a predetermined time allocation message the base station is not received from the mobile station to acquire signal, by the base station retransmission channel allocation message to the mobile station.
6.根据权利要求5的方法,其中发送信道分配消息的步骤包括以下步骤:利用有关移动台的信息生成信道分配消息;发送所生成的信道分配消息给移动台;将有关移动台的信息存储到基站的存储器。 6. The method according to claim 5, wherein the step of transmitting the channel assignment message comprises the step of: using information generation channel about the mobile station assignment message; transmitting the generated channel assignment message to the mobile station; storing information about the mobile station to base station's memory.
7.根据权利要求6的方法,其中重发信道分配消息的步骤包括以下步骤:查找有关移动台的存储信息;利用所查找的信息重新生成信道分配消息;发送重新生成的信道消息给移动台。 7. A method according to claim 6, wherein the step of retransmission channel allocation message comprising the steps of: Find stores information about the mobile station; information using the searched re-generating a channel assignment message; transmitting the regenerated channel message to the mobile station.
8.一种在具有用于提供呼叫业务给用户的移动台、用于交换无线电消息给移动台的基站和用于将基站连到另一基站或公共交换电话网的移动交换中心的蜂窝系统中建立呼叫的方法,此方法包括以下步骤:由移动台向基站请求建立呼叫;由所请求的基站向移动交换中心请求资源分配;由所请求的基站发送确认给移动台;由所请求的移动交换中心分配信道给移动台;由基站发送信道分配消息给移动台;如果发送信道分配消息的基站在第一预定时间内未检测到移动台获取信号,则保持有关连接到基站与移动交换中心的移动台的资源。 8. A method for providing a call service having a user's mobile station, for exchanging radio messages to the base station for the mobile station and a base station connected to a cellular system base station or another mobile switching center in the public switched telephone network establishing a call, the method comprising the steps of: the mobile station requests the base station to establish a call; resource assignment request to the mobile switching center by the base station request; by the base station transmits the requested acknowledgment to the mobile station; by the mobile requested exchange Center assigning a channel to the mobile station; assigned by the base station sends a channel message to the mobile station; if the base station transmits a channel assignment message within a first predetermined time has not detected the mobile station acquires the signal, then keep moving about the connection to the base station and mobile switching center resource table.
9.根据权利要求8的方法,其中保持有关移动台的资源,直至移动台从基站接收确认之后经历了第二预定时间。 9. A method according to claim 8, wherein the retaining resources related to the mobile station until the mobile station has experienced a predetermined time from a second base station after receiving an acknowledgment.
10.根据权利要求8的方法,还包括另一步骤:如果发送信道分配消息的基站在第一预定时间内未检测到移动台获取信号,则重发信道分配消息给移动台。 10. The method of claim 8, further comprising a further step of: if the base station transmits a channel assignment message within a first predetermined time has not detected the mobile station acquires the signal, the retransmission channel allocation message to the mobile station.
11.根据权利要求8的方法,还包括另一步骤:在由基站发送信道分配消息给移动台之后,将有关移动台的信息存储到基站中的存储器。 11. The method of claim 8, further comprising a further step of: after the assignment message to the mobile station by the base station transmission channel, stores information about the mobile station to the base station in the memory.
12.根据权利要求11的方法,还包括另一步骤:如果发送信道分配消息的基站在第一预定时间内未检测到移动台获取信号,由基站查找有关移动台的信息。 12. The method of claim 11, further comprising a further step of: transmitting the channel assignment message if the base station within a first predetermined time has not detected the mobile station acquires the signal, to find information about the mobile station by the base station.
13.根据权利要求12的方法,还包括另一步骤:在查找有关移动台的信息之后,利用查找的有关移动台的信息重发信道分配消息给移动台。 13. The method of claim 12, further comprising a further step of: after find information about the mobile station, using the information about the mobile station retransmission channel allocation message to find the mobile station.
CNB99122017XA 1998-09-23 1999-09-23 Method for establishing call in honeycomb system CN1136675C (en)

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