WO2014079032A1 - 接入请求处理方法、装置及系统 - Google Patents

接入请求处理方法、装置及系统 Download PDF

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Publication number
WO2014079032A1
WO2014079032A1 PCT/CN2012/085123 CN2012085123W WO2014079032A1 WO 2014079032 A1 WO2014079032 A1 WO 2014079032A1 CN 2012085123 W CN2012085123 W CN 2012085123W WO 2014079032 A1 WO2014079032 A1 WO 2014079032A1
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Prior art keywords
base station
signal
access request
access
country
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PCT/CN2012/085123
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English (en)
French (fr)
Inventor
姜旭冬
李�根
段浩
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华为技术有限公司
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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/CN2012/085123 priority Critical patent/WO2014079032A1/zh
Priority to CN2012800025012A priority patent/CN103222313A/zh
Publication of WO2014079032A1 publication Critical patent/WO2014079032A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point

Definitions

  • the present invention relates to communication technologies, and in particular, to an access request processing method, apparatus, and system. Background technique
  • the Global System for Mobile Communications is a second-generation mobile communication solution that is currently being used on a large scale around the world.
  • the Timing Advance (TA) restriction method is adopted, wherein the TA value in the GSM reflects the user equipment (User Equipment, abbreviated as UE) and the distance between the base stations, the base station can estimate the TA value by receiving the signal of the UE; theoretically, the TA value changes by 1, and the distance between the UE and the base station changes by 550 m (m).
  • TA Timing Advance
  • access of a neighboring UE is restricted by restricting call access in a range in which the TA value is larger than a certain value.
  • the GSM cell signal is directed to the extension direction of the border line. If the TA restriction method is used, the TA restriction cell will cover both the neighboring country and some regions of the country, and the local part will also be affected. UE access. Summary of the invention
  • Embodiments of the present invention provide an access request processing method, apparatus, and system for restricting access of user equipment in a neighboring country at the border between the two countries and ensuring access by a domestic user.
  • a first aspect of the present invention provides an access request processing method, including:
  • the base station sends a signal to the neighboring country, where the power of the signal is greater than the power of the signal sent by the neighboring base station of the base station, and the base station is a base station deployed in the home country and preset distance from the border line;
  • the base station performs a time advance TA estimation according to the access request, where the TA is used to indicate a distance between the UE and the base station;
  • the base station performs access restriction on the access request sent by the UE according to the TA and the preset distance.
  • the determining, by the base station, the timing advance TA according to the access request includes:
  • the base station performs a TA estimation with an estimated granularity of 1/8 TA according to the access request.
  • the signal coverage angle of the signal transmitted by the base station to a neighboring country is 120 degrees.
  • a second aspect of the present invention provides a base station, where the base station is a base station that is deployed at a distance from a border line in a home country, and the base station includes:
  • a transmitting module configured to send a signal to a neighboring country, where the power of the signal is greater than a power of a signal sent by a neighboring base station of the base station, where the base station is a base station deployed in a domestic territory and at a preset distance from the border line;
  • a receiving module configured to receive an access request sent by the user equipment UE according to a signal sent by the transmitting module
  • a determining module configured to perform a timing advance according to an access request received by the receiving module
  • T A is estimated, the T A is used to indicate a distance between the UE and the base station;
  • the access processing module is configured to perform access restriction on the access request sent by the UE according to the TA determined by the determining module and the preset distance.
  • the determining module is specifically configured to perform a TA estimation with a granularity of 1/8 TA according to the access request.
  • the transmitting module is specifically configured to send a signal with a fan coverage angle of 120 degrees to a neighboring country.
  • a third aspect of the present invention provides a communication system, comprising: at least one base station, wherein the base station uses the base station according to the second aspect.
  • the deployment interval of the at least one base station is
  • a fourth aspect of the present invention provides a base station, including:
  • a transmitter configured to send a signal to a neighboring country, where the power of the signal is greater than a power of a signal sent by a neighboring base station of the base station, where the base station is a base station deployed in a domestic territory and at a preset distance from the border line;
  • a receiver configured to receive an access request sent by the user equipment UE according to a signal sent by the transmitter;
  • a processor configured to perform a time advance estimation according to the access request received by the receiver, where the ⁇ is used to indicate a distance between the UE and the base station; according to the ⁇ and the preset distance
  • the access request sent by the UE performs access restriction.
  • the processor is specifically configured to perform a ⁇ estimation with an estimated granularity of 1/8 TA according to the access request received by the receiver.
  • the transmitter is specifically configured to issue a signal with a fan coverage angle of 120 degrees toward a neighboring country.
  • the access request processing method, device and system provided by the embodiments of the present invention deploy a base station for transmitting signals to neighboring countries in the vicinity of a domestic border, and make the base station signal transmission power larger than other nearby base station signal transmission powers, and ensure neighboring countries
  • the access request of the user equipment is sent to the base station, and then the method of limiting is used to restrict the access of user equipment in the neighboring country region without affecting the access of the local user.
  • FIG. 1 is a schematic flowchart of Embodiment 1 of an access request processing method according to the present invention
  • FIG. 2 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention
  • Embodiment 1 of a communication system is a schematic structural diagram of Embodiment 1 of a communication system according to the present invention.
  • FIG. 4 is a schematic structural diagram of Embodiment 1 of another base station according to the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • FIG. 1 is a schematic flowchart of Embodiment 1 of an access request processing method according to the present invention. As shown in FIG. 1, the method includes:
  • the base station sends a signal to a neighboring country, where the power of the signal is greater than a power of a signal sent by a neighboring base station of the base station, and the base station is deployed in a base station in the home country and at a preset distance from the border line.
  • the foregoing base station receives an access request sent by a user equipment (User Equipment, UE for short) according to the foregoing signal.
  • a user equipment User Equipment, UE for short
  • the base station is deployed in the domestic territory from the borderline preset distance, preferably 500 meters from the border line, but since the base station needs to be established at a higher position, such as the top of a building or a hillside, In some implementation scenarios, there may be a lack of support for the base station to be established at a higher position. Therefore, in a specific implementation process, the preset distance may be adjusted according to the scenario, and is not limited thereto; since the UE selects when sending an access request.
  • the base station with the highest signal transmission power so when the signal is transmitted, the signal sent by the base station is directed to the neighboring country, and the signal transmission power is greater than the transmission power of other nearby base station signals, so that the access request sent by the neighboring UE to the local base station is
  • the base station receives the information, but does not send it to other nearby base stations, so that the base station can subsequently limit the access request.
  • the signal sent by the base station may be a GSM signal, but is not limited thereto.
  • the base station performs Timing Advance (TA) estimation according to the access request, where the TA is used to indicate a distance between the UE and the base station.
  • TA Timing Advance
  • the foregoing base station performs access restriction on the access request sent by the UE according to the foregoing TA and the preset distance.
  • the base station performs the TA estimation according to the received access request, and can obtain the distance between the UE that sends the access request and the base station.
  • the value of the TA can be 0 to 63. In theory, the TA value changes by 1, and between the UE and the base station.
  • the distance varies by 550 meters, and the base station can perform access restriction on the access request of the UE according to the estimated TA and the preset distance.
  • the preset distance of the deployed base station is about 550 meters, and the corresponding TA is 1
  • the base station estimates, according to the preset distance limitation, that the UE access of the TA is greater than 1, and the access request of the UE in the coverage area of the base station signal that is 550 meters away from the base station is restricted, that is, access is not allowed.
  • the access restriction may be implemented by the base station filtering the access request according to the estimated TA, or by triggering the base station controller, or the radio network controller is configured to the base station according to the estimated TA.
  • the access request message is filtered to implement, and no limitation is imposed here. For example, when the TA estimated according to the access request is greater than the TA corresponding to the preset distance, the access request message is filtered out.
  • some base stations are deployed in the vicinity of the national border, and the signals are transmitted to neighboring countries, and the signal transmission power is greater than the signal transmission power of the neighboring base stations, so that the access requests of the neighboring users are sent to the base station, and then according to Estimating the access restrictions of the TA, which limits the access requests of users in neighboring countries, and does not affect the access of user equipment in the country.
  • This method is in the border areas of the two countries, especially in the border areas of countries with high political sensitivity. For example, the border between South Korea and North Korea has high practical value.
  • the base station estimates the granularity to be 1/8 TA according to the access request.
  • Accuracy TA estimation so that compared with the single TA estimation, the error can be reduced to about 1/8, that is, reduced to plus or minus 35 meters to 40 meters, which greatly improves the accuracy of estimating and limiting the access range of the UE.
  • the signal coverage angle of the signal transmitted by the base station is 120 degrees.
  • a base station transmitting signals to neighboring countries is deployed in the vicinity of the national border, and the signal transmission power is higher than other nearby base stations, so that the access requests of the neighboring users are sent to the base station, and the estimated granularity is
  • the TA estimation of 1/8TA, and restricting user access according to the estimated value achieves high-precision restrictions on access requests of users in neighboring countries, and does not affect the access of user equipments in the home country.
  • the practice of the border proves that users who purchase China Dandong mobile phone cards have an access rate of only 1% near the border line in North Korea, and users in Dandong, China have access rates of 98% near the border, so that even users in neighboring countries have purchased.
  • the SIM card of the national operator is also not available in the neighboring countries. This method has high practical value in the vicinity of the national border, especially in the border areas of countries with high political sensitivity, such as the borders of South Korea and North Korea.
  • the base station includes: a transmitting module 201, a receiving module 202, a determining module 203, and an access processing module 204, where:
  • the transmitting module 201 is configured to send a signal to a neighboring country, where the power of the signal is greater than a power of a signal sent by a neighboring base station of the base station, and the base station is deployed in a base station in the home country and at a preset distance from the border line.
  • the receiving module 202 is configured to receive an access request sent by the user equipment UE according to the signal of the sending module 201.
  • the determining module 203 is configured to perform time advance TA estimation according to the access request received by the receiving module 202, where the TA is used to indicate a distance between the UE and the base station.
  • the access processing module 204 is configured to perform access restriction on the access request sent by the UE according to the determining module 203TA and the preset distance.
  • the determining module 201 is specifically configured to estimate a TA estimate with a granularity of 1/8 TA according to the access request.
  • the transmitting module 201 is specifically configured to send a signal with a fan coverage angle of 120 degrees to a neighboring country.
  • the transmitting module 201 is specifically configured to send a signal with a fan coverage angle of 120 degrees to a neighboring country.
  • the base station is deployed in the vicinity of the national border, and the transmitting module transmits signals to neighboring countries, and the signal transmitting power is greater than the signal transmitting power of other nearby base stations, so that the access requests of the neighboring users are sent to the base station.
  • the access restriction is implemented, and the precise restriction on the access request of the neighboring country is realized, and the access of the domestic user equipment is not affected, and the method is particularly sensitive in the national border area.
  • High-level national border areas such as the South Korean and Korean borders, have high practical value.
  • FIG. 3 is a schematic structural diagram of Embodiment 1 of a communication system according to the present invention.
  • the system includes at least one base station 301, which is specifically the base station shown in FIG. 2, and is preset at a national border 303.
  • the deployment interval of the at least one base station is 1000 meters. Of course, the distance can be adjusted according to the actual situation, and is not limited thereto.
  • the TA restriction cell is set according to the actual situation, that is, the setting limit is greater than a specific TA value range.
  • the UE is accessed to reject access requests from users in neighboring countries. It should be noted that the system may have at least one other base station 302 for ensuring access of domestic users.
  • the signal transmission power of the base stations 302 is smaller than the signal transmission power of the base station 301, and the signal does not point to a neighboring country, so there is no need to set the TA. Restriction, even if a part of the signal covers the neighboring country area, the neighboring country user will not access the other base station 302 due to the existence of the base station 301.
  • the base station is deployed according to actual conditions in the vicinity of the national border, and is oriented
  • the neighboring country transmits a signal, and the signal transmission power is greater than the signal transmission power of other nearby base stations, so that the access requests of the neighboring users are sent to the base station, and then the access restriction is performed according to the high-precision TA estimation value, and the neighboring neighbor is realized.
  • the precise limits of national user access requests, and will not affect the access of domestic user equipment, the method is higher in the border areas of the two countries, especially in the border areas of countries with high political sensitivity, such as the borders of South Korea and North Korea. Practical value.
  • FIG. 4 is a schematic structural diagram of Embodiment 1 of another base station according to the present invention. As shown in FIG. 4, the device includes a transmitter 401, a receiver 402, and a processor 403, where:
  • a transmitter 401 configured to send a signal to a neighboring country, where the power of the signal is greater than a power of a signal sent by a neighboring base station of the base station, where the base station is a base station deployed in a home country and at a distance from a border line;
  • the receiver 402 is configured to receive an access request sent by the user equipment UE according to the signal sent by the transmitter 401.
  • the processor 403 is configured to perform a timing advance TA estimation according to the access request received by the receiver 402, where the TA is used to indicate a distance between the UE and the base station; according to the TA and the preset The access restriction is performed on the access request sent by the UE.
  • the processor 403 is specifically configured to perform estimation of a TA with a granularity of 1/8 TA according to the access request received by the receiver 402.
  • the transmitter 401 is specifically configured to send a signal with a fan coverage angle of 120 degrees to a neighboring country.
  • the base station is deployed in the vicinity of the national border, and the transmitting module transmits signals to neighboring countries, and the signal transmitting power is greater than the signal transmitting power of other nearby base stations, so that the access requests of the neighboring users are sent to the base station.
  • the access restriction is implemented, and the precise restriction on the access request of the neighboring country is realized, and the access of the domestic user equipment is not affected, and the method is particularly sensitive in the national border area.
  • High-level national border areas such as the South Korean and Korean borders, have high practical value.
  • the method includes 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.

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  • Computer Security & Cryptography (AREA)
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Abstract

本发明实施例提供一种接入请求处理方法、装置及系统，该方法包括：基站面向邻国发出信号，所述信号的功率大于所述基站的邻近基站发出信号的功率，所述基站为部署在本国境内距离边境线预设距离的基站；所述基站接收用户设备UE根据所述信号发送的接入请求；所述基站根据所述接入请求进行时间提前量TA估算，所述TA用于指示所述UE与所述基站间的距离；所述基站根据所述TA和所述预设距离对所述UE发送的接入进行接入限制。本发明实施例通过在本国境内边境线附近部署面向邻国发射信号的基站，且使该基站信号发射功率大于附近其它基站信号发射功率，确保邻国用户设备的接入请求发送到该基站，然后釆用TA限制的方法，限制邻国区域内用户设备的接入，同时不影响本国用户的接入。

Description

接入请求处理方法、 装置及系统
技术领域 本发明实施例涉及通信技术， 尤其涉及一种接入请求处理方法、 装置 及系统。 背景技术
全求移动通信系统 ( Global System for Mobile communications , 简称 GSM )作为第二代移动通信解决方案， 目前在全球被大规模使用。 在国家 边境处， 为了限制邻国用户终端接入本国基站， 现有技术中， 釆用时间提 前量 （ Timing Advance, 简称 TA ) 限制方法， 其中， GSM中的 TA值反 应的是用户设备（ User Equipment, 简称 UE )和基站间的距离， 基站通过 接收到的 UE的信号， 可以估算出 TA值； 理论上， TA值变动 1 , UE和 基站间的距离变动 550米 （m ) ， 在这种限制方法中， 通过限制 TA值大 于某一特定值的范围内的呼叫接入， 来限制邻国 UE的接入。
现有技术釆用的基站部署方法中， GSM 小区信号都是指向边境线的 延伸方向， 如果使用 TA限制方法， TA限制小区会同时覆盖邻国和本国 的一些区域， 也就会影响到本国部分 UE的接入。 发明内容
本发明实施例提供一种接入请求处理方法、 装置及系统， 用以在两国 边境处限制邻国用户设备的接入并保证本国用户的接入。
本发明第一方面是提供一种接入请求处理方法， 包括：
基站面向邻国发出信号， 所述信号的功率大于所述基站的邻近基站发 出信号的功率， 所述基站为部署在本国境内且距离边境线预设距离的基 站；
所述基站接收用户设备 UE根据所述信号发送的接入请求；
所述基站根据所述接入请求进行时间提前量 TA估算， 所述 TA用于 指示所述 UE与所述基站间的距离； 所述基站根据所述 TA和所述预设距离对所述 UE发送的接入请求进 行接入限制。
结合第一方面的第一种实现方式中， 所述基站根据所述接入请求进行 时间提前量 TA估算， 包括：
所述基站根据所述接入请求进行估算粒度为 1/8TA的 TA估算。 结合第一方面或第一方面的第一种实现方式的第二中实现方式中， 所 述基站面向邻国发出的信号的扇面覆盖角度为 120度。
本发明第二方面提供一种基站， 所述基站为部署在本国距离边境线预 设距离的基站， 所述基站包括：
发射模块， 用于面向邻国发出信号， 所述信号的功率大于所述基站的 邻近基站发出信号的功率， 所述基站为部署在本国境内且距离边境线预设 距离的基站；
接收模块， 用于接收用户设备 UE根据所述发射模块发出的信号发送 的接入请求；
确定模块， 用于根据所述接收模块接收的接入请求进行时间提前量
T A估算， 所述 T A用于指示所述 UE与所述基站间的距离；
接入处理模块， 用于根据所述确定模块确定获得的 TA和所述预设距 离对所述 UE发送的接入请求进行接入限制。
结合第二方面的第一种实现方式中， 所述确定模块， 具体用于根据所 述接入请求进行估算粒度为 1/8TA的 TA估算。
结合第二方面或第二方面的第一种实现方式的第二中实现方式中， 所 述发射模块， 具体用于面向邻国发出扇面覆盖角度为 120度的信号。
本发明第三方面提供一种通信系统， 包括： 至少一个基站， 所述基站 釆用第二方面所述的基站。
结合第三方面的第一种实现方式中， 所述至少一个基站的部署间隔为
1000米。
本发明第四方面提供一种基站， 包括：
发射器， 用于面向邻国发出信号， 所述信号的功率大于所述基站的邻 近基站发出信号的功率， 所述基站为部署在本国境内且距离边境线预设距 离的基站； 接收器， 用于接收用户设备 UE根据所述发射器发出的信号发送的接 入请求；
处理器， 用于根据所述接收器接收的接入请求进行时间提前量 ΤΑ估 算， 所述 ΤΑ用于指示所述 UE与所述基站间的距离； 根据所述 ΤΑ和所 述预设距离对所述 UE发送的接入请求进行接入限制。
结合第四方面的第一种实现方式中， 所述处理器， 具体用于根据所述 接收器接收的接入请求进行估算粒度为 1/8TA的 ΤΑ估算。
结合第四方面或第四方面的第一种实现方式的第二中实现方式中， 所 述发射器， 具体用于面向邻国发出扇面覆盖角度为 120度的信号。
本发明实施例提供的接入请求处理方法、 装置及系统， 通过在本国境 内边境线附近部署面向邻国发射信号的基站， 且使该基站信号发射功率大 于附近其它基站信号发射功率， 确保邻国用户设备的接入请求发送到该基 站， 然后釆用 ΤΑ限制的方法， 限制邻国区域内用户设备的接入， 同时不 影响本国用户的接入。 附图说明
实施例或现有技术描述中所需要使用的附图作一简单地介绍， 显而易见 地， 下面描述中的附图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为本发明提供的接入请求处理方法实施例一的流程示意图； 图 2为本发明提供的基站实施例一的结构示意图；
图 3为本发明提供的通信系统实施例一的结构示意图；
图 4为本发明提供的另一基站实施例一的结构示意图。 具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚， 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作出创造性劳动前提 下所获得的所有其他实施例， 都属于本发明保护的范围。
图 1为本发明提供的接入请求处理方法实施例一的流程示意图， 如图 1所示， 该方法包括：
S101、 基站面向邻国发出信号， 该信号的功率大于所述基站的邻近基 站发出信号的功率， 且上述基站部署在本国境内且距离边境线预设距离的 基站。
S102、 上述基站接收用户设备（ User Equipment, 简称 UE )根据上述 信号发送的接入请求；
需要说明的是， 根据实践， 上述基站部署在本国境内距离边境线预设 距离， 比较优选的是距离边境线 500米， 但是由于基站需要建立在较高位 置， 例如建筑物或山坡的顶端， 而一些实施场景中可能缺少便于基站建立 在较高位置的支撑， 所以在具体实施过程中， 该预设距离可根据场景进行 调整， 并不以此为限； 由于 UE在发送接入请求时会选择信号发射功率最 高的基站， 因而在部署时， 该基站发出的信号面向邻国， 且信号发射功率 要大于附近其它基站信号的发射功率， 目的在于使得邻国 UE向本国基站 发送的接入请求由上述基站来接收， 而不会发送到附近其它基站， 以便于 上述基站后续对该接入请求进行限制； 另外， 上述基站发出的信号可以为 GSM信号， 但并不以此为限。
S103、上述基站根据上述接入请求进行时间提前量（Timing Advance, 简称 TA )估算， 该 TA用于指示上述 UE与上述基站间的距离。
S104、 上述基站根据上述 TA和上述预设距离对上述 UE发送的接入 请求进行接入限制。
基站根据接收到的接入请求进行 TA估算， 可以得到发出该接入请求 的 UE与基站间的距离， TA的取值范围可以是 0〜63 , 理论上， TA值变动 1 , UE与基站间的距离变动 550米， 进而基站可以根据估算出的 TA和上 述预设距离对上述 UE的接入请求进行接入限制， 例如， 假设部署基站的 预设距离约为 550米， 对应的 TA为 1 , 基站根据所述预设距离限制估算 TA大于 1的 UE接入， 在距离该基站 550米以外的该基站信号覆盖区域 内的 UE的接入请求都会被限制， 即不允许接入， 这种场景下， 刚好限制 了邻国境内 UE的接入， 同时也不会影响本国境内 UE的接入。 其中， 所述接入限制可以通过基站根据所述估算 TA对所述接入请求 进行过滤来实现， 还可以通过触发基站控制器， 或者无线网络控制器根据 所述估算的 TA对所述基站的接入请求消息进行过滤来实现， 此处不进行 限制。 例如， 当根据接入请求估算的 TA大于预设距离对应的 TA时， 过 滤掉该接入请求消息。
本实施例中， 在本国边境线附近部署一些基站， 面向邻国发射信号， 且信号发射功率大于邻近其它基站的信号发射功率， 以使邻国用户的接入 请求都发送到该基站， 再根据估算 TA进行接入限制， 实现了对邻国用户 接入请求的限制， 同时也不会影响本国用户设备的接入， 该方法在两国边 境区域， 特别是政治敏感度高的国家边境区域， 例如韩国和朝鲜边境等， 具有较高的实用价值。
进一步的， 由于进行 TA估算会存在误差， 例如单 TA估算的误差是 正负 275米， 本发明实施例中， 为了将误差降低， 基站在根据上述接入请 求进行估算粒度为 1/8TA的高精度 TA估算， 这样相对于单 TA估算， 可 以将误差降低到 1/8左右， 即降低到正负 35米〜 40米左右， 大大提高了估 算和限制 UE接入范围的精度。 另外， 上述基站发出的信号的扇面覆盖角 度为 120度。
本实施例中， 在本国边境线附近部署面向邻国发射信号的基站， 且信 号发射功率高于附近其它基站， 以使邻国用户的接入请求都发送到该基 站， 再釆用估算粒度为 1/8TA的 TA估算， 并根据估算值对用户接入进行 限制， 实现了对邻国用户接入请求高精度的限制， 同时也不会影响本国用 户设备的接入， 本实施例在中朝边境的实践证明， 购买中国丹东手机卡的 用户在朝鲜境内边境线附近的接入率仅 1%, 中国丹东境内的用户在边境 线附近的接入率高达 98%,这样即使邻国用户购买了本国运营商的 SIM卡 在邻国境内也无法使用， 该方法在国家边境线附近区域， 特别是政治敏感 度高的国家边境区域， 例如韩国和朝鲜边境等， 具有较高的实用价值。
图 2为本发明提供的基站实施例一的结构示意图， 如图 2所示， 该基 站包括：发射模块 201 ,接收模块 202,确定模块 203和接入处理模块 204, 其中： 发射模块 201 , 用于面向邻国发出信号， 所述信号的功率大于所述基 站的邻近基站发出信号的功率， 所述基站部署在本国境内且距离边境线预 设距离的基站。
接收模块 202, 用于接收用户设备 UE根据所述发射模块 201信号发 送的接入请求。
确定模块 203， 用于根据所述接收模块 202接收的接入请求进行时间 提前量 TA估算， 所述 TA用于指示 UE与所述基站间的距离。
接入处理模块 204, 用于根据所述确定模块 203TA和所述预设距离对 所述 UE发送的接入请求进行接入限制。
具体实现过程中， 确定模块 201 , 具体用于根据所述接入请求进行估 算粒度为 1/8TA的 TA估算。
发射模块 201 ,具体用于面向邻国发出扇面覆盖角度为 120度的信号。 上述各模块的具体工作参照图 1方法实施例， 在此不再赘述。
本实施例中， 在本国边境线附近部署上述基站， 由发射模块面向邻国 发射信号， 且信号发射功率大于附近其它基站的信号发射功率， 以使邻国 用户的接入请求都发送到该基站， 再根据高精度的 TA估算值进行接入限 制， 实现了对邻国用户接入请求的精确限制， 同时也不会影响本国用户设 备的接入，该方法在国家边境区域，特别是政治敏感度高的国家边境区域， 例如韩国和朝鲜边境等， 具有较高的实用价值。
图 3为本发明提供的通信系统实施例一的结构示意图， 如图 3所示， 该系统包括至少一个基站 301 , 该基站具体为上述图 2所示的基站， 在本 国边境线 303预设位置处， 该至少一个基站的部署间隔为 1000米， 当然， 这个距离可以根据实际情况进行调整， 并不以此为限， 根据实际情况设置 TA限制小区， 即设定限制大于某一特定 TA值范围内的 UE接入， 以拒绝 邻国境内用户的接入请求。 需要说明的是， 系统可以有至少一个其它基站 302, 用以保证本国用户的接入， 这些基站 302的信号发射功率小于基站 301的信号发射功率， 且信号不指向邻国， 因而不需要设置 TA限制， 即 使有一部分信号覆盖到邻国区域， 由于基站 301的存在， 邻国用户也不会 接入其它基站 302。
本实施例中， 在本国边境线附近根据实际情况部署上述基站， 并面向 邻国发射信号， 且信号发射功率大于附近其它基站的信号发射功率， 以使 邻国用户的接入请求都发送到该基站， 再根据高精度的 TA估算值进行接 入限制， 实现了对邻国用户接入请求的精确限制， 同时也不会影响本国用 户设备的接入， 该方法在两国边境区域， 特别是政治敏感度高的国家边境 区域， 例如韩国和朝鲜边境等， 具有较高的实用价值。
图 4为本发明提供的另一基站实施例一的结构示意图， 如图 4所示， 包括发射器 401、 接收器 402和处理器 403 , 其中：
发射器 401 , 用于面向邻国发出信号， 所述信号的功率大于所述基站 的邻近基站发出信号的功率， 所述基站为部署在本国境内且距离边境线预 设距离的基站；
接收器 402, 用于接收用户设备 UE根据所述所述发射器 401发出的 信号发送的接入请求；
处理器 403 , 用于根据所述接收器 402接收的接入请求进行时间提前 量 TA估算， 所述 TA用于指示所述 UE与所述基站间的距离； 根据所述 TA和所述预设距离对所述 UE发送的接入请求进行接入限制。
进一步的， 上述处理器 403 , 具体用于根据接收器 402接收的所述接 入请求进行估算粒度为 1/8TA的 TA估算。
上述发射器 401 , 具体用于面向邻国发出扇面覆盖角度为 120度的信 号。
本实施例中， 在本国边境线附近部署上述基站， 由发射模块面向邻国 发射信号， 且信号发射功率大于附近其它基站的信号发射功率， 以使邻国 用户的接入请求都发送到该基站， 再根据高精度的 TA估算值进行接入限 制， 实现了对邻国用户接入请求的精确限制， 同时也不会影响本国用户设 备的接入，该方法在国家边境区域，特别是政治敏感度高的国家边境区域， 例如韩国和朝鲜边境等， 具有较高的实用价值。
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。 最后应说明的是： 以上各实施例仅用以说明本发明的技术方案， 而非对 其限制； 尽管参照前述各实施例对本发明进行了详细的说明， 本领域的普通 技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改， 或者对其中部分或者全部技术特征进行等同替换； 而这些修改或者替换， 并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims

权 利 要 求 书
1、 一种接入请求处理方法， 其特征在于， 包括：
基站面向邻国发出信号， 所述信号的功率大于所述基站的邻近基站发 出信号的功率， 所述基站为部署在本国境内且距离边境线预设距离的基 站；
所述基站接收用户设备 UE根据所述信号发送的接入请求；
所述基站根据所述接入请求进行时间提前量 TA估算， 所述 TA用于 指示所述 UE与所述基站间的距离；
所述基站根据所述 TA和所述预设距离对所述 UE发送的接入请求进 行接入限制。
2、 根据权利要求 1所述的方法， 其特征在于， 所述基站根据所述接 入请求进行时间提前量 TA估算， 包括：
所述基站根据所述接入请求进行估算粒度为 1/8TA的 TA估算。
3、 根据权利要求 1或 2所述的方法， 其特征在于， 所述基站面向邻 国发出的信号的扇面覆盖角度为 120度。
4、 一种基站， 其特征在于， 所述基站为部署在本国距离边境线预设 距离的基站， 所述基站包括：
发射模块， 用于面向邻国发出信号， 所述信号的功率大于所述基站的 邻近基站发出信号的功率， 所述基站为部署在本国境内且距离边境线预设 巨离的基站；
接收模块， 用于接收用户设备 UE根据所述发射模块发出的信号发送 的接入请求；
确定模块， 用于根据所述接收模块接收的接入请求进行时间提前量 Τ Α估算， 所述 T A用于指示所述 UE与所述基站间的距离；
接入处理模块， 用于根据所述确定模块获得的 TA和所述预设距离对 所述 UE发送的接入请求进行接入限制。
5、 根据权利要求 4所述的基站， 其特征在于， 所述确定模块， 具体 用于根据所述接入请求进行估算粒度为 1/8TA的 TA估算。
6、 根据权利要求 4或 5所述的基站， 其特征在于， 所述发射模块， 具体用于面向邻国发出扇面覆盖角度为 120度的信号。
7、 一种通信系统， 其特征在于， 包括： 至少一个基站， 所述基站釆 用权利要求 4〜6中任一项所述的基站。
8、 根据权利要求 7所述的系统， 其特征在于， 所述至少一个基站的 部署间隔为 1000米。
9、 一种基站， 其特征在于， 所述基站为部署在本国距离边境线预设 距离的基站， 所述基站包括：
发射器， 用于面向邻国发出信号， 所述信号的功率大于所述基站的邻 近基站发出信号的功率， 所述基站为部署在本国境内且距离边境线预设距 离的基站；
接收器， 用于接收用户设备 UE根据所述发射器发出的信号发送的接 入请求；
处理器， 用于根据所述接收器接收的接入请求进行时间提前量 TA估 算， 所述 TA用于指示所述 UE与所述基站间的距离； 根据所述 TA和所 述预设距离对所述 UE发送的接入请求进行接入限制。
10、 根据权利要求 9所述的基站， 其特征在于， 所述处理器， 具体用 于根据所述接收器接收的接入请求进行估算粒度为 1/8TA的 TA估算。
11、 根据权利要求 9或 10所述的基站， 其特征在于， 所述发射器， 具体用于面向邻国发出扇面覆盖角度为 120度的信号。
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