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WO2012119435A1 - 一种频点选择方法及装置 - Google Patents

一种频点选择方法及装置 Download PDF

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Publication number
WO2012119435A1
WO2012119435A1 PCT/CN2011/079265 CN2011079265W WO2012119435A1 WO 2012119435 A1 WO2012119435 A1 WO 2012119435A1 CN 2011079265 W CN2011079265 W CN 2011079265W WO 2012119435 A1 WO2012119435 A1 WO 2012119435A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
frequency band
base station
indoor
route update
Prior art date
Application number
PCT/CN2011/079265
Other languages
English (en)
French (fr)
Inventor
杨光
熊立群
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2011/079265 priority Critical patent/WO2012119435A1/zh
Priority to CN201180002176.5A priority patent/CN102388653B/zh
Publication of WO2012119435A1 publication Critical patent/WO2012119435A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • the present invention relates to the field of communications, and in particular, to a frequency point selection method and apparatus. Background technique
  • the inventors have found that at least the following problems exist in the prior art: In the indoor coverage scenario, when the indoor and outdoor resident frequency bands adopt the same frequency system, the indoor and outdoor superimposed frequency bands are covered by different frequencies, because The influence of outdoor macro-network pilot interference, most of the users still reside in the outdoor frequency band, resulting in low terminal speed, poor signal, and the indoor frequency can not be effectively utilized.
  • Embodiments of the present invention provide a method and apparatus for frequency point selection, which can switch a terminal to an indoor superimposed frequency band, so that an indoor superimposed frequency band can be effectively utilized, and further, can improve data exchange rate and signal between the terminal and the base station. quality.
  • an embodiment of the present invention provides a frequency point selection method, including:
  • the route update response includes an identifier of an indoor superposed frequency band coverage area in which the terminal is located, and a pilot strength of the indoor superimposed frequency band;
  • the embodiment of the present invention provides a frequency point selection method, including: receiving, by a terminal, a route update request message sent by a base station;
  • a route update response message to the base station, where the route update response includes an identifier of an indoor superimposed frequency band coverage area and a pilot strength of an indoor superimposed frequency band;
  • an embodiment of the present invention provides a base station, including:
  • a transmitter configured to send a route update request message to the terminal
  • a receiver configured to receive a route update response returned by the terminal, where the route update response includes an identifier of an indoor superimposed frequency band coverage area and a pilot strength of the indoor superimposed frequency band;
  • the first processor is configured to, if the pilot strength exceeds a pilot threshold, instruct the terminal to switch to a corresponding indoor super frequency band for performing services according to the identifier of the indoor superposed frequency band coverage area.
  • an embodiment of the present invention provides a terminal, including:
  • a terminal receiver configured to receive a route update request message sent by the base station, and a terminal transmitter, configured to send a route update response message to the base station, where the route update response includes an identifier of an indoor superimposed frequency band coverage area where the terminal is located And the pilot intensity of the indoor superimposed frequency band;
  • a switching unit configured to switch to a corresponding indoor superposition frequency band according to the indication of the base station.
  • the method and device for selecting a frequency point sends a route update request message to a terminal, so that the terminal acquires the identifier of the indoor superimposed frequency band coverage area and the pilot strength of the indoor superimposed frequency band, and sends a routing update.
  • the base station can switch the terminal to the indoor superimposed frequency band according to the location of the terminal and the pilot strength of the indoor superimposed frequency band measured by the terminal.
  • FIG. 1 is a flowchart of a method for selecting a frequency point on a base station side according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a method for selecting a frequency point on a terminal side according to Embodiment 1 of the present invention
  • Frequency point selection method flow chart
  • FIG. 4 is a block diagram of a frequency point selecting apparatus on a base station side in Embodiment 3 of the present invention
  • FIG. 5 is a block diagram of another frequency point selecting apparatus based on FIG. 4;
  • Figure 6 is a block diagram of another frequency selection device based on Figure 5;
  • Figure 7 is a block diagram of a first processor in Embodiment 3 of the present invention.
  • Figure 8 is a block diagram of a frequency point selecting device on the terminal side in Embodiment 3 of the present invention
  • Figure 9 is a block diagram showing another frequency point selecting device based on Figure 8.
  • the embodiment of the present invention provides a frequency point selection method, which is a method on the base station side. As shown in FIG. 1, the method includes:
  • 102 Receive a route update response returned by the terminal, where the route update response includes an identifier of an indoor superposed frequency band coverage area and a pilot strength of an indoor superimposed frequency band.
  • the route update response is generated by the terminal receiving the route update request message RUR, and the route update response includes an indoor superposition frequency of the terminal.
  • the identification of the segment coverage area and the pilot strength of the indoor superimposed band are included.
  • the embodiment of the present invention further provides a frequency point selection method, which is a method on the terminal side. As shown in FIG. 2, the method includes:
  • the terminal receives a route update request message RUR sent by the base station.
  • the terminal sends a route update response to the base station, where the route update response includes an identifier of an indoor superposed frequency band coverage area and a pilot strength of an indoor super frequency band.
  • the route update response is generated after receiving the route update request message RUR sent by the base station, and the route update response includes an identifier of an indoor superimposed frequency band coverage area and an indoor superimposed frequency band of the terminal. Pilot strength.
  • the terminal switches to a corresponding indoor superimposed frequency band according to the indication of the base station.
  • the frequency point selection method provided by the embodiment of the present invention sends a route update request message RUR to the terminal, so that the terminal obtains the identifier of the indoor superimposed frequency band coverage area and the pilot strength of the indoor superimposed frequency band, and sends a route update response to the terminal.
  • the base station by which the base station can switch the terminal to the corresponding indoor superimposed frequency band according to the identifier of the indoor superimposed frequency band coverage area and the pilot intensity of the indoor superimposed frequency band measured by the terminal.
  • Embodiment 2 An embodiment of the present invention provides a frequency point selection method. As shown in FIG. 3, the method includes the following steps:
  • the terminal sends a connection request to the base station.
  • the terminal is in a resident frequency band after being powered on, and the terminal accesses the frequency from the F 1 frequency of the reserved frequency band, and sends a connection request to the base station.
  • the base station sends a traffic channel assignment message TCA to the terminal, and instructs the terminal to switch to an outdoor superimposed frequency band. For example, the base station acquires an F2 frequency point from an outdoor superimposed frequency band and establishes a traffic channel. The base station sends a traffic channel assignment message TCA from the F 1 frequency point to instruct the terminal to switch to the F2 frequency point of the outdoor superimposed frequency band.
  • the terminal accesses the outdoor superposed frequency band.
  • the terminal After receiving the service channel assignment message TCA sent by the base station, the terminal accesses the outdoor superimposed frequency band F2 frequency point to perform services through the service channel established by the base station.
  • the terminal sends a traffic channel completion message TCC to the base station.
  • the terminal After the terminal accesses the F2 frequency point of the outdoor superimposed frequency band to perform the service, the terminal sends a traffic channel completion message TCC to the base station, and the base station completes the message TCC through the service channel, and confirms that the terminal switches to the outdoor superimposed frequency band. .
  • the base station determines whether the switch parameter preset in the base station is in an open state, and if the switch parameter is in an open state, performing step 306; if the switch parameter is in a closed state, not sending a route update to the terminal.
  • the message RUR is requested to keep the terminal in the original frequency band.
  • the base station may perform detection and detection of the switch parameters on the terminal in the outdoor superimposed frequency band. In the absence of the steps 301 to 304, the base station may directly perform the switch parameter on the terminal in the resident frequency band. Judgment detection. The following description will be respectively made.
  • the terminal is in a resident frequency band.
  • the base station first detects and determines a switch parameter preset in the base station, and if the switch parameter is in an open state, sends the route update request message RUR to the terminal, if the switch parameter is in a closed state, The routing update request message RUR is not sent to the terminal to keep the terminal in the resident frequency band.
  • the terminal is in an outdoor superimposed frequency band.
  • the base station first detects and determines a switch parameter preset in the base station, and if the switch parameter is in an open state, sends the route update request message RUR to the terminal, if the switch parameter is in a closed state, Then, the route update request message RUR is not sent to the terminal, so that the terminal is kept in the outdoor superimposed frequency band. 306.
  • the base station sends a route update request message RUR to the terminal.
  • the terminal generates a route update response, where the route update response includes an identifier of the indoor superimposed frequency band coverage area of the terminal and a pilot strength of the indoor superimposed frequency band.
  • the terminal After receiving the route update request message RUR sent by the base station, the terminal acquires the identifier of the indoor superimposed frequency band coverage area and the pilot strength of the indoor superimposed frequency band, and generates a route update response.
  • the terminal sends a route update response to the base station. Through the route update response, the terminal transmits the identifier of the indoor superimposed band coverage area and the pilot strength of the indoor superimposed band to the base station.
  • the base station detects, by using the pilot strength in the route update response, that if the pilot strength does not exceed the pilot threshold, the base station does not instruct the terminal to perform handover; if the pilot strength If the pilot threshold is exceeded, step 3 10 is performed.
  • the base station adopts a hash HASH algorithm in the corresponding indoor superimposed frequency band, and selects a frequency point from the corresponding indoor superimposed frequency bands.
  • the base station finds a corresponding indoor superimposed frequency band according to the identifier of the indoor superimposed frequency band coverage area, and uses a hash HASH algorithm in the corresponding indoor superimposed frequency band, and the HASH outputs a frequency point and the resident frequency band.
  • the frequency points form a neighbor relationship, and then move to step 3 1 1.
  • the base station may also use other algorithms to select frequency points.
  • the base station establishes a connection with the terminal, and switches the terminal to the selected frequency point to perform a service.
  • the frequency point selection method provided by the embodiment of the present invention sends a route update request message RUR to the terminal, so that the terminal obtains the identifier of the indoor superimposed frequency band coverage area and the pilot strength of the indoor superimposed frequency band, and sends a route update response to the terminal.
  • the base station by which the base station can switch the terminal to the corresponding indoor superimposed frequency band according to the identifier of the indoor superimposed frequency band coverage area and the pilot intensity of the indoor superimposed frequency band measured by the terminal.
  • the base station system may adopt a HASH algorithm to quickly HASH a frequency point in multiple frequency points to establish a connection. Conduct business.
  • Embodiment 3 An embodiment of the present invention provides a frequency point selecting apparatus.
  • the apparatus includes a transmitter 41, a receiver 42, and a first processor 43.
  • the transmitter 41 is configured to send a route update request message RUR to the terminal.
  • the receiver 42 is configured to receive a route update response returned by the terminal, where the route update response is generated by the terminal receiving the route update request message RUR, and the route update response includes an identifier of the indoor superimposed frequency band coverage area where the terminal is located. And the pilot strength of the indoor superimposed band.
  • the first processor 43 is configured to, when the pilot strength exceeds the pilot threshold, instruct the terminal to switch to the corresponding indoor super frequency band for performing services according to the identifier of the indoor superimposed frequency band coverage area.
  • the receiver 42 is further configured to receive a connection request of the terminal before sending the routing update request message to the terminal; the transmitter 41 is further configured to The terminal sends a service channel assignment message to instruct the terminal to perform the service to the outdoor superimposed frequency band.
  • the device further includes a second processor 44, configured to receive the service channel completion message sent by the terminal, and confirm that the terminal switches to The outdoor superimposed frequency band performs a service.
  • the apparatus further includes a switch parameter detecting unit 45, configured to detect, before sending the routing update request message RUR to the terminal, whether a switch parameter preset in the base station is in a Open state. If the switch parameter is in the on state, the route update request message RUR is sent to the terminal; otherwise, the route update request message RUR is not sent to the terminal, so that the terminal is kept in the original frequency band.
  • a switch parameter detecting unit 45 configured to detect, before sending the routing update request message RUR to the terminal, whether a switch parameter preset in the base station is in a Open state. If the switch parameter is in the on state, the route update request message RUR is sent to the terminal; otherwise, the route update request message RUR is not sent to the terminal, so that the terminal is kept in the original frequency band.
  • the first processor 43 further includes a frequency point selection module 43 1 and a user switching module 432.
  • the frequency point selection module 43 1 is configured to select one of the corresponding indoor superimposed frequency bands based on the hash HASH algorithm.
  • the user switching module 432 is configured to instruct the terminal to switch to the frequency point selected by the frequency point selection module 43 1 .
  • the device in the terminal includes a terminal receiver 81, a terminal transmitter 82, and a switching unit 83.
  • the terminal receiver 81 is configured to receive a route update request message RUR sent from the base station.
  • the terminal transmitter 82 is configured to send a route update response message to the base station, where the route update response includes an identifier of the indoor superimposed frequency band coverage area and a pilot strength of the indoor superimposed frequency band.
  • the switching unit 83 is configured to switch to the corresponding indoor superimposed frequency band according to the indication of the base station.
  • the device in the terminal further includes a connection message sending unit 84, an assigned message receiving unit 85, and a completion message sending unit 86.
  • the connection message transmitting unit 84 is configured to send a connection message to the base station before receiving the route update request message RUR transmitted from the base station.
  • the assignment message receiving unit 85 is configured to receive the traffic channel assignment message TCA sent by the base station, and then perform the service to the outdoor superimposed frequency band.
  • the completion message sending unit 86 is configured to send a traffic channel completion message TCC to the base station after successfully accessing the outdoor super frequency band, to notify the base station that the terminal has successfully accessed the outdoor superimposed frequency band.
  • the frequency point selecting apparatus provided by the embodiment of the present invention can send the route update request message RUR to the terminal, so that the terminal acquires the identifier of the indoor superimposed frequency band coverage area, regardless of whether the terminal is in the resident frequency band or the outdoor superimposed frequency band. And the pilot strength of the indoor superimposed frequency band, and generate a route update response to be sent back to the base station, thereby switching the terminal to the corresponding indoor superimposed frequency band.
  • the base station adopts the HASH algorithm to quickly HASH a frequency point in multiple frequency points to establish a connection for service, so that the indoor superimposed frequency band can be effectively utilized, and further , can improve the data exchange rate and signal quality between the terminal and the base station.
  • the foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • a medium that can store program codes such as a ROM, a RAM, a magnetic disk, or an optical disk.

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

Description

一种频点选择方法及装置 技术领域 本发明涉及通信领域, 尤其涉及一种频点选择方法及装置。 背景技术
近年来, 通信市场的竟争日益激烈, 越来越多的运营商寻求合 并来提高竟争力。 由于不同的运营商一般有不同的频段, 这就产生 了多频段叠加组网的场景。 尤其是在人口密集、 话务量很大的城市, 更需要多频段叠加组网来提供足够的网络容量。 由于大多数的无线 数据业务都发生在室内, 因此, 如何部署多频段叠加组网的室内覆 盖成为了运营商越来越关注的焦点。
在实现本发明过程中, 发明人发现现有技术中至少存在如下问 题: 在室内覆盖场景中, 当室内、 外驻留频段采用同频系统, 室内、 外叠加频段采用异频覆盖时, 因为受到室外宏网导频干扰的影响, 大部分的用户还是驻留到了室外频段, 由此导致终端速率低、 信号 差, 室内的频点不能有效利用。
发明内容
本发明的实施例提供一种频点选择的方法和装置, 能够将终端 切换到室内叠加频段, 使室内叠加频段能够被有效利用, 并进一步 地, 可以提升终端与基站间的数据交换速率及信号质量。
为达到上述目 的, 本发明的实施例采用如下技术方案:
一方面, 本发明实施例提供一种频点选择方法, 包括:
向终端发送路由更新请求消息;
接收所述终端返回的路由更新响应, 所述路由更新响应包含所 述终端所处室内叠加频段覆盖区的标识以及室内叠加频段的导频强 度;
如果所述导频强度超过导频阈值, 则根据所述室内叠加频段覆 盖区的标识, 指示所述终端切换至相应的室内叠加频段。 一方面, 本发明实施例提供一种频点选择方法, 包括: 终端接收来自基站发送的路由更新请求消息;
所述终端发送路由更新响应消息给所述基站, 所述路由更新响 应包含所述终端所处室内叠加频段覆盖区的标识以及室内叠加频段 的导频强度;
所述终端根据所述基站的指示切换到相应的室内叠加频段。 一方面, 本发明实施例提供一种基站, 包括:
发送器, 用于向终端发送路由更新请求消息;
接收器, 用于接收终端返回的路由更新响应, 所述路由更新响 应包含终端所处室内叠加频段覆盖区的标识以及室内叠加频段的导 频强度;
第一处理器, 用于如果所述导频强度超过导频阈值, 则根据所 述室内叠加频段覆盖区的标识, 指示所述终端切换至相应的室内叠 加频段进行业务。
另一方面, 本发明实施例提供一种终端, 包括:
终端接收器, 用于接收来自基站发送的路由更新请求消息; 终端发送器, 用于发送路由更新响应消息给所述基站, 所述路 由更新响应包含所述终端所处室内叠加频段覆盖区的标识以及室内 叠加频段的导频强度;
切换单元, 用于根据所述基站的指示切换到相应的室内叠加频 段。
本发明实施例提供的频点选择的方法和装置, 通过将路由更新 请求消息发送给终端, 使终端获取自身所处室内叠加频段覆盖区的 标识及室内叠加频段的导频强度, 并发送路由更新响应给基站, 由 此, 基站可以根据终端所处的位置以及终端测得的室内叠加频段的 导频强度, 将终端切换至室内叠加频段。 通过该方案可以使室内叠 加频段能够被有效利用, 并进一步地, 可以提升终端与基站间的数 据交换速率及信号质量。
附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下 面将对实施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明的一些实施例, 对于 本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以 根据这些附图获得其他的附图。
图 1 为本发明实施例 1 中基站侧的频点选择方法的流程图; 图 2为本发明实施例 1 中终端侧的频点选择方法的流程图; 图 3为本发明实施例 2 中的频点选择方法流程图;
图 4为本发明实施例 3 中基站一侧的频点选择装置的框图; 图 5为在图 4基础上的另一种频点选择装置的框图;
图 6为在图 5基础上的另一种频点选择装置的框图;
图 7为本发明实施例 3 中的第一处理器的框图;
图 8为本发明实施例 3 中终端一侧的频点选择装置的框图; 图 9为在图 8基础上的另一种频点选择装置的框图。
具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术 方案进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明 一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本 领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他 实施例, 都属于本发明保护的范围。 实施例 1 :
本发明实施例提供一种频点选择方法, 该方法为基站侧的方 法, 如图 1 所示, 该方法包括:
101、 向终端发送路由更新请求消息 RUR。
102、 接收所述终端返回的路由更新响应, 所述路由更新响应 包含所述终端所处室内叠加频段覆盖区的标识以及室内叠加频段 的导频强度。
所述路由更新响应由所述终端接收所述路由更新请求消息 RUR 后生成, 且所述路由更新响应包含所述终端所处室内叠加频 段覆盖区的标识以及室内叠加频段的导频强度。
103、 如果所述导频强度超过导频阈值, 则根据所述室内叠加 频段覆盖区的标识, 指示所述终端切换至相应的室内叠加频段。 本发明实施例还提供一种频点选择方法,该方法为终端侧的方 法, 如图 2所示, 该方法包括:
201、 终端接收来自基站发送的路由更新请求消息 RUR。
202、 所述终端向所述基站发送路由更新响应, 所述路由更新 响应中包括所述终端所处室内叠加频段覆盖区的标识以及室内叠 加频段的导频强度。
所述路由更新响应是在接收到来自所述基站发送的所述路由 更新请求消息 RUR后生成的, 且所述路由更新响应包含所述终端 所处室内叠加频段覆盖区的标识以及室内叠加频段的导频强度。
203、 如果所述导频强度超过导频阈值, 则所述终端根据所述 基站的指示切换到相应的室内叠加频段。 本发明实施例提供的频点选择方法,通过将路由更新请求消息 RUR 发送给终端, 使终端获取自身所处室内叠加频段覆盖区的标 识及室内叠加频段的导频强度,并发送路由更新响应给基站,由此, 基站可以根据终端所处室内叠加频段覆盖区的标识以及终端测得 的室内叠加频段的导频强度, 将终端切换至相应的室内叠加频段。 通过该方案可以使室内叠加频段能够被有效利用, 并进一步地, 可 以提升终端与基站间的数据交换速率及信号质量。
实施例 2 : 本发明实施例提供一种频点选择方法, 如图 3所示, 所述方法 包括以下步骤:
301、 终端向基站发送连接请求。
所述终端开机后处于驻留频段内, 所述终端从驻留频段的 F 1 频点接入到信道上, 向所述基站发送连接请求。
302、 基站向终端发送业务信道指配消息 TCA , 指示所述终端 切换到室外叠加频段。 例如, 所述基站从室外叠加频段内获取一个 F2频点, 并建立 业务信道。 所述基站从 F 1频点上发送业务信道指配消息 TCA , 以 指示所述终端切换到室外叠加频段的 F2频点上。
303、 终端接入到所述室外叠加频段。
所述终端在接收到所述基站发送的业务信道指配消息 TCA 后, 通过所述基站建立的业务信道, 接入到室外叠加频段 F2频点 上进行业务。
304、 终端向基站发送业务信道完成消息 TCC。
所述终端接入到室外叠加频段 F2频点上进行业务之后,向所述 基站发送业务信道完成消息 TCC , 所述基站通过该业务信道完成消 息 TCC , 确认所述终端切换至所述室外叠加频段。
305、 基站判断检测预设置在基站中的开关参数是否处于开启 状态, 如果所述开关参数处于开启状态, 则执行步骤 306 ; 如果所 述开关参数处于关闭状态,则不向所述终端发送路由更新请求消息 RUR , 以使终端保持在原有的频段。
基站可以在执行步骤 301 至 304后,基站可以对处于室外叠加 频段的终端进行开关参数的判断检测;在没有步骤 301至 304的情 况下,基站也可以直接对处于驻留频段的终端进行开关参数的判断 检测。 下面分别进行说明。
一方面, 所述终端处于驻留频段。 所述基站先对预设置在基站 中的开关参数进行检测和判断, 若所述开关参数处于开启状态, 则 向所述终端发送所述路由更新请求消息 RUR , 若所述开关参数处 于关闭状态, 则不向所述终端发送所述路由更新请求消息 RUR , 以使所述终端保持在驻留频段。
另一方面, 所述终端处于室外叠加频段。 所述基站先对预设置 在基站中的开关参数进行检测和判断,若所述开关参数处于开启状 态, 则向所述终端发送所述路由更新请求消息 RUR , 若所述开关 参数处于关闭状态, 则不向所述终端发送所述路由更新请求消息 RUR , 以使所述终端保持在室外叠加频段。 306、 基站向终端发送路由更新请求消息 RUR。
307、 终端生成路由更新响应, 该路由更新响应包括所述终端 所处室内叠加频段覆盖区的标识以及室内叠加频段的导频强度。
所述终端在接收到所述基站发送的路由更新请求消息 RUR 后,获取自身所处室内叠加频段覆盖区的标识以及室内叠加频段的 导频强度, 并生成路由更新响应。
308、 终端向基站发送路由更新响应。 通过路由更新响应,终端将室内叠加频段覆盖区的标识以及室 内叠加频段的导频强度传送给基站。
309、 基站对所述路由更新响应中的导频强度进行检测判断, 如果所述导频强度不超过所述导频阈值,则所述基站不指示所述终 端进行切换; 如果所述导频强度超过所述导频阈值, 则执行步骤 3 10。
3 10、 基站在相应的室内叠加频段采用散列 HASH算法, 从所 述相应的室内叠加频段中选择一个频点。 所述基站根据终端所处室内叠加频段覆盖区的标识,找到相应 的室内叠加频段, 并在所述相应的室内叠加频段内采用散列 HASH 算法, HASH出一个频点与所述驻留频段内的频点形成邻区关系, 之后转向步骤 3 1 1。
当然, 在实际应用中, 基站也可以采用其他算法选取频点。
3 1 1、 基站与终端建立连接, 将终端切换至所述选择的频点进 行业务。
本发明实施例提供的频点选择方法,通过将路由更新请求消息 RUR 发送给终端, 使终端获取自身所处室内叠加频段覆盖区的标 识及室内叠加频段的导频强度,并发送路由更新响应给基站,由此, 基站可以根据终端所处室内叠加频段覆盖区的标识以及终端测得 的室内叠加频段的导频强度, 将终端切换至相应的室内叠加频段。 进一步地, 当室内叠加频段部署多个频点时, 基站系统可以采用 HASH算法, 在多个频点中快速地 HASH 出一个频点, 以建立连接 进行业务。 通过该方案可以使室内叠加频段能够被有效利用, 并进 一步地, 可以提升终端与基站间的数据交换速率及信号质量。 实施例 3 : 本发明实施例提供一种频点选择装置, 一方面, 在基站中, 如 图 4所示, 所述装置包括发送器 41、 接收器 42、 第一处理器 43。
发送器 41用于向终端发送路由更新请求消息 RUR。
接收器 42用于接收终端返回的路由更新响应; 所述路由更新 响应由所述终端接收所述路由更新请求消息 RUR后生成, 且所述 路由更新响应包含终端所处室内叠加频段覆盖区的标识以及室内 叠加频段的导频强度。
第一处理器 43用于当所述导频强度超过导频阈值时,则根据所 述室内叠加频段覆盖区的标识, 指示所述终端切换至相应的室内叠 加频段进行业务。
进一步的, 如图 5所示, 所述接收器 42还用于在向所述终端 发送所述路由更新请求消息前, 接收所述终端的连接请求; 所述发 送器 41 还用于向所述终端发送业务信道指配消息, 以指示所述终 端到室外叠加频段进行业务; 所述装置还包括第二处理器 44 , 用 于接收所述终端发送的业务信道完成消息并确认所述终端切换至 所述室外叠加频段进行业务。
进一步的, 如图 6 所示, 所述装置还包括开关参数检测单元 45 , 用于在向所述终端发送所述路由更新请求消息 RUR前, 检测 预设置在所述基站中的开关参数是否处于开启状态。若所述开关参 数处于开启状态, 则向所述终端发送所述路由更新请求消息 RUR , 否则, 不向所述终端发送所述路由更新请求消息 RUR , 以使所述终 端保持在原有的频段。
另外, 如图 7所示, 第一处理器 43还包括频点选择模块 43 1、 用户切换模块 432。
频点选择模块 43 1用于以散列 HASH算法为依据,选择所述相 应的室内叠加频段中的一个频点。
用户切换模块 432 用于指示所述终端切换至所述频点选择模 块 43 1选择的频点。 另一方面, 在终端中的装置, 如图 8 所示, 包括终端接收器 81、 终端发送器 82、 切换单元 83。
终端接收器 81 用于接收来自基站发送的路由更新请求消息 RUR。
终端发送器 82用于发送路由更新响应消息给所述基站, 所述 路由更新响应包含所述终端所处室内叠加频段覆盖区的标识以及 室内叠加频段的导频强度。
切换单元 83 用于根据所述基站的指示切换到相应的室内叠加 频段。
进一步的, 如图 9所示, 所述终端中的装置还包括连接消息发 送单元 84、 指配消息接收单元 85、 完成消息发送单元 86。
连接消息发送单元 84用于在接收来自所述基站发送的所述路 由更新请求消息 RUR之前, 向所述基站发送连接消息。
指配消息接收单元 85 用于接收所述基站发送的业务信道指配 消息 TCA , 然后到所述室外叠加频段进行业务。
完成消息发送单元 86 用于在成功接入到所述室外叠加频段 后, 向所述基站发送业务信道完成消息 TCC , 以通知所述基站该 终端已成功接入到所述室外叠加频段。 本发明实施例提供的频点选择装置,不论终端处在驻留频段或 室外叠加频段, 基站都能够通过将路由更新请求消息 RUR发送给 终端,使终端获取自身所处室内叠加频段覆盖区的标识及室内叠加 频段的导频强度, 并生成路由更新响应发送回基站, 从而将终端切 换至相应的室内叠加频段。同时,在室内叠加频段部署多个频点时, 基站采用 HASH 算法, 在多个频点中快速地 HASH 出一个频点, 以建立连接进行业务, 使得室内叠加频段能够被有效利用, 并进一 步地, 可以提升终端与基站间的数据交换速率及信号质量。 本领域普通技术人员可以理解: 实现上述方法实施例的全部或 部分步骤可以通过程序指令相关的硬件来完成,前述的程序可以存 储于一计算机可读取存储介质中, 该程序在执行时, 执行包括上述 方法实施例的步骤; 而前述的存储介质包括: ROM、 RAM , 磁碟 或者光盘等各种可以存储程序代码的介质。 以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围 并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技 术范围内, 可轻易想到变化或替换, 都应涵盖在本发明的保护范围 之内。因此,本发明的保护范围应以所述权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种频点选择方法, 其特征在于, 包括:
向终端发送路由更新请求消息;
接收所述终端返回的路由更新响应,所述路由更新响应包含所述 终端所处室内叠加频段覆盖区的标识以及室内叠加频段的导频强度; 如果所述导频强度超过导频阈值,则根据所述室内叠加频段覆盖 区的标识, 指示所述终端切换至相应的室内叠加频段。
2、 根据权利要求 1 所述的方法, 其特征在于, 在向所述终端发 送所述路由更新请求消息前, 所述方法还包括:
接收所述终端的连接请求;
向所述终端发送业务信道指配消息,以指示所述终端到室外叠加 频段进行业务;
接收所述终端发送的业务信道完成消息并确认所述终端切换至 所述室外叠加频段。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 在向所述终 端发送所述路由更新请求消息前, 所述方法还包括:
检测预设置在基站的开关参数是否处于开启状态;若所述开关参 数处于开启状态, 则向所述终端发送所述路由更新请求消息, 否则不 向所述终端发送所述路由更新请求消息, 以使所述终端保持在原有的 频段。
4、 根据权利要求 1 所述的方法, 其特征在于, 所述指示所述终 端切换至所述相应的室内叠加频段包括:
采用散列 HASH 算法, 选择所述相应的室内叠加频段中的一个 频点;
将所述终端切换至所述选择的频点。
5、 一种频点选择方法, 其特征在于, 包括:
终端接收来自基站发送的路由更新请求消息;
所述终端发送路由更新响应消息给所述基站,所述路由更新响应 包含所述终端所处室内叠加频段覆盖区的标识以及室内叠加频段的 导频强度;
所述终端根据所述基站的指示切换到相应的室内叠加频段。
6、 根据权利要求 5所述的方法, 其特征在于, 在接收来自所述 基站发送的所述路由更新请求消息之前, 所述方法还包括:
向所述基站发送连接消息;
接收所述基站发送的业务信道指配消息,然后切换到所述相应的 室外叠加频段;
成功接入到所述室外叠加频段后,向所述基站发送业务信道完成 消息。
7、 一种基站, 其特征在于, 包括:
发送器, 用于向终端发送路由更新请求消息;
接收器, 用于接收终端返回的路由更新响应, 所述路由更新响应 包含终端所处室内叠加频段覆盖区的标识以及室内叠加频段的导频 强度;
第一处理器, 用于如果所述导频强度超过导频阈值, 则根据所述 室内叠加频段覆盖区的标识, 指示所述终端切换至相应的室内叠加频 段进行业务。
8、 根据权利要求 7所述的基站, 其特征在于, 所述接收器还用 于在向所述终端发送所述路由更新请求消息前, 接收所述终端的连接 请求;
所述发送器还用于向所述终端发送业务信道指配消息,以指示所 述终端到室外叠加频段进行业务;
所述基站还包括:
第二处理器,用于接收所述终端发送的业务信道完成消息并确认 所述终端切换至所述室外叠加频段进行业务。
9、 根据权利要求 7或 8所述的基站, 其特征在于, 还包括: 第三处理器, 用于在向所述终端发送所述路由更新请求消息前, 检测预设置在所述基站的开关参数是否处于开启状态; 若所述开关参 数处于开启状态, 则向所述终端发送所述路由更新请求消息, 否则不 向所述终端发送所述路由更新请求消息, 以使所述终端保持在原有的 频段。
10、 根据权利要求 7所述的基站, 其特征在于, 所述第一处理器 还包括:
频点选择模块, 用于以散列 HASH 算法为依据, 选择所述相应 的室内叠加频段中的一个频点;
用户切换模块,用于指示所述终端切换至所述频点选择模块选择 的频点。
1 1、 一种终端, 其特征在于, 包括:
终端接收器, 用于接收来自基站发送的路由更新请求消息; 终端发送器, 用于发送路由更新响应消息给所述基站, 所述路由 更新响应包含所述终端所处室内叠加频段覆盖区的标识以及室内叠 加频段的导频强度;
切换单元, 用于根据所述基站的指示切换到相应的室内叠加频 段。
12、 根据权利要求 1 1所述的终端, 其特征在于, 还包括: 连接消息发送单元,用于在接收来自所述基站发送的所述路由更 新请求消息之前, 向所述基站发送连接消息;
指配消息接收单元, 用于接收所述基站发送的业务信道指配消 息, 然后切换到所述室外叠加频段进行业务;
完成消息发送单元, 用于在成功接入到所述室外叠加频段后, 向 所述基站发送业务信道完成消息。
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