CN100446619C - Method for inquiring Co-shared channel capacity - Google Patents

Method for inquiring Co-shared channel capacity Download PDF

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CN100446619C
CN100446619C CN 200510064675 CN200510064675A CN100446619C CN 100446619 C CN100446619 C CN 100446619C CN 200510064675 CN200510064675 CN 200510064675 CN 200510064675 A CN200510064675 A CN 200510064675A CN 100446619 C CN100446619 C CN 100446619C
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shared channel
channel capacity
ue
request message
transmits
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CN 200510064675
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CN1856154A (en
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郭俊利
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大唐移动通信设备有限公司
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Abstract

本发明公开了一种共享信道容量请求方法,该方法包括:当用户设备(UE)监测要向基站(NodeB)发送共享信道容量请求时,判断自身是否处于CELL_DCH状态,如果是,则采用专用控制信道(DCCH)承载共享信道容量请求,并通过专用物理信道(DPCH)发送共享信道容量请求消息。 The present invention discloses a shared channel capacity request, the method comprising: When (the NodeB) transmits a shared channel capacity of the user equipment (UE) monitoring To the base station requests, determines whether it is in CELL_DCH state, if so, using a dedicated control channel (DCCH) bearer shared channel capacity request, and transmits a shared channel capacity request message through the dedicated physical channel (DPCH). 当UE处于CELL_FACH状态,则通过SHCCH或DCCH承载共享信道容量请求,并通过物理上行共享信道(PUSCH)或物理随机接入信道(PRACH)发送共享信道容量请求。 When the UE is in CELL_FACH state, the shared bearer channel capacity request by the DCCH or SHCCH, and or a physical random access channel (PRACH) transmits a shared channel capacity request through a physical uplink shared channel (PUSCH). 从而克服了现有技术中当UE处于CELL_DCH状态时,发送共享信道容量请求需要进行频点切换的缺陷,而且增加了UE发送共享信道容量请求时选择信道的灵活性。 Thus overcomes the drawbacks of the prior art, when the UE is in CELL_DCH state, transmits a shared channel capacity request required switching frequency, and increased transmission of shared channel selection request channel capacity flexibility UE.

Description

一种共享倌道容量请求方法技术领域本发明涉及时分-同步码分多址(TD-SCDMA)技术领域,特别是指一种共享信道容量请求方法。 TECHNICAL FIELD The request for sharing a channel capacity groom present invention relates to Time Division - Synchronous Code Division Multiple Access (TD-SCDMA) technology, and more particularly refers to a method of requesting a shared channel capacity. 背景技术在TD-SCDMA系统中,共享信道是用于传输非实时分组数据流的公共信道。 Background Art In the TD-SCDMA system, shared channels are used for transmitting non-real time packet common channel data stream. 用户设备(UE )通过向网络侧发送上行物理共享信道容量请求(PUSCH CAPACITY REQUEST)消息来请求上行物理共享信道,或者通过该消息来承栽向网络側发送的共享信道业务测量报告,以及当UE需要对网络側分配共享信道资源进^"回应时,也会向网络侧发送该消息。在现有技术中,上述PUSCH CAPACITY REQUEST消息是通过上行共享控制信道(SHCCH)承栽的,而SHCCH具有两种上行映射关系,即随机接入信道(RACH)和上行共享信道(USCH)。也就是说,UE要么使用RACH,要么使用USCH来发送上述PUSCH CAPACITY REQUEST消息。 而如果UE在建立无线链路后,没有可用的PUSCH,且没有当前小区物理随机接入信道(PRACH)的有效配置时,就只能读取当前小区的系统信息广播来获取PRACH的配置消息,然后在获取到PRACH的配置信息后通过PRACH发送PUSCH CAPACITY REQUEST消息。然而在TD-SCDMA系统中, 一个小区可能 User equipment (UE) channel capacity request requesting the physical uplink shared channel by sending an uplink to the network side physical shared (PUSCH CAPACITY REQUEST) message, or by bearing plant shared channel traffic measurement report sent to the network side of the message, and when the UE need to allocate a shared channel resources on the network side into ^ "response, the message will be sent to the network side. in the prior art the PUSCH CAPACITY REQUEST message through the uplink shared control channel (SHCCH) planted bearing, and having SHCCH two kinds of uplink mapping relationship, i.e., a random access channel (RACH) and uplink shared channel (USCH). That is, either use the RACH UE, or to transmit the PUSCH CAPACITY REQUEST messages using USCH. and if the UE to establish a radio link after the PUSCH is not available, and the current cell configuration is not effective physical random access channel (PRACH) when it can read the current cell system information broadcast message to obtain the configuration of a PRACH, then the PRACH configuration information acquired after transmission through the PUSCH CAPACITY REQUEST message PRACH. However, in the TD-SCDMA system, one cell may 有多个频点,而系统信息广播一般只配置在主频点上, 这时UE如果处于CELL_DCH状态且工作在辅频点上时,要想读取主频点上的系统信息广播,就需要频繁地从当前所在的辅频点切换至主频点,然后再从主频点回切至原来所在的辅频点,这样反复进行频点切换无疑增加了处于CELL_DCH状态UE的处理负担。发明内容有鉴于此,本发明的目的在于提供一种共享信道容量请求方法,解决现有技术中处于CELL—DCH状态的UE发送共享信道容量请求时,由于需要进行频点切换,导致的处理负担重的问题。为了达到上述目的,本发明提供了一种共享信道容量请求方法,该方法包括步骤:a、当用户设备UE监测到需要向基站NodeB发送共享信道容量请求消息,并且判定自身处于CELL一DCH状态时,通过专用控制信道DCCH承载共享信道容量请求消息,并将DCCH映射到专用信道DCH上,通过 A plurality of frequencies, and the system information broadcast generally arranged on the frequency point, At this time if the UE is in CELL_DCH state and the secondary working frequency, in order to read the system information broadcast on the frequency points, it is necessary frequently switch from the secondary to the frequency point where the frequency of the current point, and then switched back to the secondary main frequency point where the original frequency point, so that repeated switching frequency will increase the processing load of the UE in the CELL_DCH state. SUMMARY oF tHE iNVENTION in view of this, object of the present invention is to provide a method of requesting a shared channel capacity, when the prior art solution in CELL-DCH state, the UE sends a request to share the channel capacity, since the required switching frequency, resulting in a heavy processing load problem to achieve the above object, the present invention provides a shared channel capacity request, the method comprising the steps of: a, when the user equipment UE monitoring the need to transmit the shared channel capacity request message to the base station the NodeB, and determines that it is in a CELL a DCH state, the dedicated control channel DCCH channel capacity shared bearer request message, and DCCH are mapped onto a dedicated channel DCH, through 用物理信道DPCH发送该共享信道容量请求消息。在上述方法中,所述步骤a进一步包括:当UE判定自身处于CELL—FACH 状态时,通过SHCCH承载共享信道容量请求消息,并判断当前是否有可用的PUSCH,如果是,则将SHCCH映射到USCH上,并通过PUSCH发送共享信道容量请求消息;否则,获取PRACH信道资源,然后将SHCCH映射到RACH 上,并通过获取的PRACH发送共享信道容量请求消息;所述获取PRACH的使用权限的方式为:UE向NodeB发送上行导频信道UpPCH请求,NodeB向UE返回前向物理接入信道FPACH响应。 DPCH transmitting the shared channel capacity physical channel request message in the above method, step a further comprises: when the UE determines that it is in the CELL-FACH state, the SHCCH carrying the shared channel capacity request message, and determines whether the current available the PUSCH, if so, SHCCH mapped onto the USCH, and through the PUSCH transmits a shared channel capacity request message; otherwise, obtaining the PRACH resource, then map SHCCH to the RACH, and the request message PRACH transmits a shared channel capacity acquired ; obtaining the usage rights of way for PRACH: UE transmits an uplink pilot channel to the NodeB UpPCH request, returns to the UE before the NodeB in response to a physical access channel FPACH. 在上述方法中,所述步骤a进一步包括:当UE判定自身处于CELL_FACH 状态时,通过DCCH承栽共享信道容量请求消息,并判断是否有DCCH到USCH 的映射关系以及可用的PUSCH,如果是,贝'J将DCCH映射到USCH上,通过PUSCH发送共享信道容量请求消息;否则,获取PRACH的使用权限,然后将DCCH映射到RACH上,通过PRACH发送共享信道容量请求消息;所述获取PRACH的4吏用权限的方式为:UE向NodeB发送上行导频信道UpPCH请求,NodeB向UE返回前向物理接入信道FPACH响应。 In the above method, step a further comprises: when the UE determines that it is in CELL_FACH state, request message DCCH bearing plant shared channel capacity, and determines whether DCCH mapping between the USCH and PUSCH available, and if so, Tony 'J the DCCH is mapped onto the USCH, transmits a shared channel capacity request message via the PUSCH; otherwise, acquiring the use rights of the PRACH, then map DCCH to the RACH, transmit the shared channel capacity request message PRACH; the obtained PRACH 4 officials permissions manner is: UE transmits an uplink pilot channel to the NodeB UpPCH request, it returns to the UE before the NodeB in response to a physical access channel FPACH. 综上所述,本发明方法是当UE监测到需要向基站(NodeB)发送共享信道容量请求时,判断自身是否处于CELL—DCH状态,如果是,则采用专用控制信道(DCCH)承载共享信道容量请求消息,并将DCCH映射至专用信道(DCH)上,通过已经分配的专用物理信道(DPCH)发送共享信道容量请求消息。 In summary, the method of the present invention, when the UE is required to monitor the shared transmission channel capacity request, determine whether it is in the CELL-DCH state to the base station (the NodeB), if so, using a dedicated control channel (DCCH) shared bearer channel capacity request message, and the DCCH is mapped onto a dedicated channel (DCH), transmits a shared channel capacity request message has been allocated dedicated physical channel (DPCH). 而当UE不处于CELL—DCH状态,而处于CELL_FACH状态时,则通过SHCCH或DCCH承载共享信道容量请求消息。 When the UE is not in CELL-DCH state, the CELL_FACH state, the bearer request message via the shared channel SHCCH capacity or DCCH. 从而克服了现有技术中当UE处于CELL—DCH状态,且需要发送共享信道容量请求时,通过SHCCH 承载共享信道容量请求消息存在的需要进行频点切换的缺陷,减轻了UE的处理负担,提高了发送效率。 Thus overcoming the prior art, when the UE is in CELL-DCH state, and the need to send the defect shared channel capacity request, request requires the presence of the message frequency switched by SHCCH bearer shared channel capacity, reduce the processing load of the UE, to improve transmission efficiency. 而且当UE处于CELL—FACH状态时,可以通过SHCCH或DCCH来承载共享信道容量请求消息,增加了UE发送共享信道容量请求时选择信道的灵活性。 And when the UE is in CELL-FACH state, may be carried by SHCCH Shared channel capacity request message or DCCH, increasing the channel selection request UE transmits a shared channel capacity flexibility. 附图说明图1为本发明一个具体实施例的共享信道容量请求方法流程图。 1 shows a flowchart of a method for requesting channel capacity shared particular embodiment of the embodiment of the present invention. 图2为本发明另一个具体实施例的共享信道容量请求方法流程图。 Shared channel capacity request method according to another embodiment of the present invention. FIG. 2 flowchart. 具体实施方式为使本发明的目的、技术方案和优点更加清楚,下面结合附图对本发明作进一步的详细描述。 DETAILED DESCRIPTION To make the objectives, technical solutions, and advantages of the present invention will become apparent in conjunction with the accompanying drawings of the present invention will be further described in detail. 本发明方法的核心思想是:UE监测是否需要向基站(NodeB)发送共享信道容量请求,如果是,则判断是否处于CELL—DCH状态,如果是,则釆用专用控制信道(DCCH)承载共享信道容量请求消息,并通过专用物理信道(DPCH)发送共享信道容量请求消息。 The core idea of ​​the method of the present invention is: whether the UE monitoring needs to transmit the shared channel capacity request to the base (the NodeB), and if so, it is determined whether in the CELL-DCH state, if yes, preclude bearer shared channel dedicated control channel (DCCH) capacity request message, and transmits a shared channel capacity request message through the dedicated physical channel (DPCH). 而当UE处于CELL—FACH状态时,则可以通过SHCCH或DCCH来承栽共享信道容量请求消息。 When the UE is in CELL-FACH state, it can be DCCH bearing plant or SHCCH Shared channel capacity request message. 由于当UE处于CELL—DCH状态时,NodeB已经为其分配了该UE专有的DPCH, 因此UE可以直接通过该DPCH向NodeB发送共享信道容量请求消息,从而避免了UE通过SHCCH承栽共享信道容量请求消息,并选择通过PRACH 发送共享信道容量请求消息,但没有PRACH配置信息,通过监听系统信息广播获取PRACH配置信息时的频点切换问题,减轻了UE的处理负担,提高了发送效率。 Because when the UE is in CELL-DCH state, NodeB has proprietary DPCH the UE is assigned to it, the UE may send to the NodeB directly through the DPCH shared channel capacity request message, thereby avoiding the UE by SHCCH bearing plant shared channel capacity request message and transmits a shared channel selection request message through the PRACH channel capacity, but not PRACH configuration information acquired by the monitoring system information broadcast frequency when the PRACH configuration information switching problems, reduce the processing load of the UE, transmission efficiency improves. 下面通过具体实施例来详细说明本发明方法,本发明的一个具体实施例方法的流程如图1所示,本实施例采用当UE处于CELI^DCH状态时,通过DCCH承栽共享信道容量请求消息,并通过DPCH发送共享信道容量请求消息;当UE处于CELL一FACH状态时,则通过SHCCH来承栽共享信道容量请求消息,将SHCCH映射到USCH上,通过物理上行共享信道(PUSCH) 发送共享信道容量请求消息,或者将SHCCH映射在RACH上,通过物理随机接入信道(PRACH)发送共享信道容量请求消息的方法,该方法具体包括如下步骤:步骤101: UE监测是否需要向NodeB发送共享信道容量请求消息,如果是,则执行步骤102;否则,继续执行步骤IOI。 The following specific embodiments will be described in detail the method of the present invention, the process of the present invention, a specific embodiment of the method shown in Figure 1, the present embodiment adopts when the UE is CELI ^ DCH state request message DCCH channel capacity shared bearing plant , and transmitted over DPCH shared channel capacity request message; if the UE is in CELL a FACH state, through the SHCCH to bearing plant shared channel capacity request message, the SHCCH mapped onto the USCH, transmits a shared physical uplink shared channel (PUSCH) channel capacity request message, or SHCCH mapped on the RACH, a physical random access channel (PRACH) channel method of capacity request messages transmitted sharing, the method includes the following steps: step 101: UE monitoring whether to transmit a shared channel capacity to the NodeB request message, if yes, execute step 102; otherwise, proceed to step IOI. 步骤102:判断当前是否处于CELL一DCH状态,如果是,则执行步骤103;否则,执行步骤104。 Step 102: determine whether the current is in a CELL DCH state, if yes, execute step 103; otherwise, step 104 is performed. 步骤103:采用DCCH承栽共享信道容量请求消息,并将DCCH映射到专用信道(DCH)上,通过DPCH发送该共享信道容量请求消息,结束本流程。 Step 103: using the shared channel DCCH planted bearing capacity request message, and the DCCH is mapped to a dedicated channel (DCH), transmission through the shared channel capacity DPCH request message, the process ends. 由于UE处于CELL—DCH状态,因此UE具有NodeB分配的DPCH, 因此可以直接利用该DPCH发送共享信道容量请求消息,步骤104:当UE判定自身处于CELL—FACH状态时,采用SHCCH承栽共享信道容量请求消息,并检测是否有可用的PUSCH,如果是,则执行步骤105;否则,执行步骤106。 Since the UE is in CELL-DCH state, the UE has a DPCH the NodeB allocated, it is possible to directly use the DPCH transmits a shared channel capacity request message, Step 104: When the UE determines that it is in the CELL-FACH state, using SHCCH bearing plant shared channel capacity request message, and detects whether there is PUSCH is available, if yes, execute step 105; otherwise, step 106 is performed. 步骤105:将SHCCH映射到USCH上,并通过PUSCH发送该共享信道容量请求消息,结束本流程。 Step 105: the SHCCH mapped to the USCH, and transmits the request message via the shared channel capacity PUSCH, the process ends. 步骤106:向NodeB发送上行导频信道(UpPCH)请求,获取PRACH 的使用权限,然后判断是否接收到NodeB返回的前向物理接入信道(FPACH)响应,如果是,则执行步骤107;否则,执行步骤108。 Step 106: sending to the NodeB pilot channel uplink pilot channel (the UpPCH) request to obtain usage rights PRACH, and then determines whether a prior physical access channel to the NodeB returned (the FPACH) response, if yes, execute step 107; otherwise, step 108 is performed. 步骤107:将SHCCH映射到RACH上,并通过PRACH发送该共享信道容量请求消息,结束本流程。 Step 107: the SHCCH mapped to the RACH, and transmits the request message via the shared channel capacity PRACH, the process ends. 步錄108:返回失败消息。 Step record 108: return a failure message. 本发明另一个具体实施例方法的流程如图2所示,本实施例采用当UE 处于CELL一DCH状态时,通过DCCH承载共享信道容量请求消息,并通过DPCH发送共享信道容量请求消息,而当UE处于CELI^FACH状态时,通过DCCH承载共享信道容量请求消息,但通过PUSCH或PRACH发送共享信道容量请求消息的方法,该方法具体包括如下步骤:步骤201: UE监测是否需要向NodeB发送共享信道容量请求,如果是, 则执行步骤202;否则,继续执行步骤201。 Another process of the present invention, the method embodiment shown in FIG. 2, the present embodiment employs a when the UE is CELL DCH state, through the DCCH channel capacity shared bearer request message, and sending a request message through a shared DPCH channel capacity, and when the UE is CELI ^ FACH state request message DCCH bearer shared channel capacity, the method of the shared channel capacity request message is transmitted through the PUSCH or the PRACH, the method includes the following steps: step 201: UE monitoring whether transmits a shared channel to the NodeB capacity request, if yes, performing step 202; otherwise, proceed to step 201. 步骤202:判断当前是否处于CELL一DCH状态,如果是,则执行步骤203;否则,执4亍步骤204。 Step 202: determine whether the current is in a CELL DCH state, if yes, perform step 203; otherwise, step 204 is performed right foot 4. 步骤203:采用DCCH承栽共享信道容量请求消息,并通过DPCH发送该共享信道容量请求消息,结束本流程。 Step 203: using the shared channel DCCH planted bearing capacity request message, and transmits the shared channel capacity request message through DPCH, the process ends. 步骤204:当UE判断自身处于CELL_FACH状态时,采用DCCH承栽共享信道容量请求消息,并检测是否有DCCH到USCH的映射关系以及可用的PUSCH,如果是,则执行步骤205;否则,执行步骤206,步驟205:通过PUSCH发送该共享信道容量请求消息,结束本流程。 Step 204: When the UE determines that it is in CELL_FACH state, using DCCH bearing plant shared channel capacity request message, and detects whether DCCH mapping between the USCH and PUSCH available, if yes, execute step 205; otherwise, step 206 is performed step 205: send the shared channel PUSCH capacity request message by, the process ends. 步骤206:向NodeB发送UpPCH请求,获取PRACH的使用权限,然后判断是否接收到NodeB返回的FPACH响应,如果是,则执行步骤207;否则,执^f亍步骤208。 Step 206: the UpPCH NodeB sends a request to obtain permission to use the PRACH, and then determines whether a response returned by the NodeB FPACH, if yes, executing step 207; otherwise, executing step 208 ^ f right foot. 步骤207:将DCCH映射到RACH上,并通过PRACH发送该共享信道容量请求消息,结束本流程。 Step 207: The DCCH is mapped to the RACH, and transmits the request message via the shared channel capacity PRACH, the process ends. 步骤208:返回失敗消息。 Step 208: return a failure message. 总之,以上所述仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。 In summary, the above descriptions are merely preferred embodiments of the present invention but are not intended to limit the scope of the present invention.

Claims (3)

1、一种共享信道容量请求方法,其特征在于,该方法包括: a、当用户设备UE监测到需要向基站NodeB发送共享信道容量请求消息,并且判定自身处于CELL_DCH状态时,通过专用控制信道DCCH承载共享信道容量请求消息,并将DCCH映射到专用信道DCH上,通过专用物理信道DPCH发送该共享信道容量请求消息。 A shared channel capacity request method, wherein the method comprises: a, when the user equipment UE monitors the need to transmit the shared channel capacity request message to the base station the NodeB, and determines that it is in the CELL_DCH state, a dedicated control channel DCCH shared bearer channel capacity request message, and DCCH are mapped onto the dedicated channel DCH, DPCH transmits the shared channel capacity request message through a dedicated physical channel.
2、 根据权利要求1所述的方法,其特征在于,所述步骤a进一步包括:当UE判定自身处于CELL_FACH状态时,通过SHCCH承载共享信道容量请求消息,并判断当前是否有可用的PUSCH,如果是,则将SHCCH映射到USCH上, 并通过PUSCH发送共享信道容量请求消息;否则,获取PRACH信道资源,然后将SHCCH映射到RACH上,并通过获取的PRACH发送共享信道容量"^求消息;所述获取PRACH的使用权限的方式为:UE向NodeB发送上行导频信道UpPCH请求,NodeB向UE返回前向物理4秦入信道FPACH响应。 2. The method according to claim 1, wherein the step a further comprises: when the UE determines that it is in the CELL_FACH state, the shared channel SHCCH carrying capacity request message, and determines whether the current available for the PUSCH, if so, the SHCCH mapped onto the USCH, and transmits a shared channel capacity request message via the PUSCH; otherwise, obtaining the PRACH resource, then SHCCH mapped to the RACH, and through the PRACH transmits a shared channel capacity available "^ request message; the said obtaining usage rights of way for PRACH: UE transmits an uplink pilot channel to the pilot channel request UpPCH NodeB, NodeB before the channel returns to the UE in response to a physical FPACH 4 Qin.
3、 根据权利要求1所述的方法,其特征在于,所述步骤a进一步包括:当UE判定自身处于CELL一FACH状态时,通过DCCH承载共享信道容量请求消息,并判断是否有DCCH到USCH的映射关系以及可用的PUSCH,如果是, 则将DCCH映射到USCH上,通过PUSCH发送共享信道容量请求消息;否则, 获取PRACH的使用权限,然后将DCCH映射到RACH上,通过PRACH发送共享信道容量请求消息;所述获取PRACH的使用权限的方式为:UE向NodeB发送上行导频信道UpPCH请求,NodeB向UE返回前向物理接入信道FPACH响应。 3. The method according to claim 1, wherein the step a further comprises: when the UE determines that it is in a CELL FACH state, a shared bearer request message through the DCCH channel capacity, and determines whether the DCCH to USCH mapping relationship and PUSCH available, and if so, DCCH are mapped onto the USCH, the request message transmits a shared channel capacity by PUSCH; otherwise, acquiring the use rights of the PRACH, then map DCCH to the RACH, the shared channel capacity request transmitted by PRACH message; obtaining the usage rights of way for PRACH: UE transmits an uplink pilot channel to the NodeB UpPCH request, returns to the UE before the NodeB in response to a physical access channel FPACH.
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