WO2007085172A1 - Method, system and terminal of the terminals with different bandwidth capacity accessing to the radio communication system - Google Patents
Method, system and terminal of the terminals with different bandwidth capacity accessing to the radio communication system Download PDFInfo
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- WO2007085172A1 WO2007085172A1 PCT/CN2006/003517 CN2006003517W WO2007085172A1 WO 2007085172 A1 WO2007085172 A1 WO 2007085172A1 CN 2006003517 W CN2006003517 W CN 2006003517W WO 2007085172 A1 WO2007085172 A1 WO 2007085172A1
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- frequency band
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- 238000004891 communication Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000011664 signaling Effects 0.000 claims abstract description 21
- 238000013507 mapping Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
Definitions
- the present invention relates to a technology for a terminal to access a wireless communication system, and more particularly to a method, system and terminal for a terminal having a different bandwidth capability to access a wireless communication system.
- the Universal Mobile Telecommunications System is the third generation mobile communication system using Wideband Code Division Multiple Access (WCDMA) air interface technology.
- WCDMA Wideband Code Division Multiple Access
- WiMAX microwave access global interoperability
- GSM Global System for Mobile Communications
- the LTE system can transmit and receive various messages on the existing frequency band of the UMTS Terrestrial Radio Access Network (UTRAN).
- Figure 1 is a schematic diagram of the frequency band of the UTRAN, as shown in the figure:
- the UTRAN has multiple frequency bands, each of which is set with uplink and downlink frequencies.
- the uplink and downlink frequencies of the frequency band I are 1920-1980 MHz and 2110-2170 MHz, respectively.
- the network side and terminal of the UTRAN can communicate through each frequency band.
- the UTRAN presets a fixed channel bandwidth for each frequency band: 5 MHz, that is, the channel bandwidth supported by each UTRAN band is a fixed 5 MHz bandwidth and the bandwidth of the UTRAN broadcast channel is also 5 MHz. Thus, the UTRAN can only be adapted to have a bandwidth of 5 MHz.
- the terminal communicates with the network side of the UTRAN, sends and receives messages, and receives broadcast messages through the broadcast channel.
- each frequency band of the LTE system may be required. Supports multiple bandwidth runs with support bandwidths of 1.25MHz, 2.5MHz, 5MHz, 10MHz, 15: ⁇ 113 ⁇ 4 and 20] ⁇ 2. Accordingly, the LTE system can also satisfy terminals having various bandwidth capabilities to communicate in the system. If the LTE system performs various message transmission and reception on the existing frequency band of the UTRAN, since the UTRAN supports a fixed bandwidth in each frequency band, the design requirements for the communication of the terminal having various bandwidth capabilities in the LTE system cannot be satisfied.
- the bandwidth of the frequency band used by the network side setting of the LTE system is 1 ⁇
- the bandwidth of the used broadcast channel is 5 MHz
- the bandwidth of the used broadcast channel is 5 MHz
- the bandwidth of the used broadcast channel is 5 MHz. Only the terminal with 5 MHz bandwidth can communicate in the system. Terminals with other bandwidth capabilities, such as terminals with 1.25MHz and 2.5MHz bandwidth capabilities, cannot communicate in the LTE system. Even if terminals with other bandwidth capabilities are forcibly connected to the LTE system, terminals with other bandwidth capabilities cannot. Correctly receive various messages sent by the LTE system.
- the bandwidth capability of the terminal is also set to the specified fixed bandwidth, thereby ensuring that the terminal can access the LTE system.
- this only ensures that terminals with fixed bandwidth capability access the LTE system.
- FIG. 2 is a schematic diagram of a corresponding relationship between a frequency band of a prior art LTE system and a supported bandwidth: the uplink and downlink frequencies of the frequency band I are 1920-1980 MHz and 2110-2170 MHz, respectively, and the supported bandwidth may be 2.5 MHz. 5MHz, 10MHz, 15MHz and 20MHz.
- the method since only the bandwidth supported by each frequency band is set as the bandwidth of the frequency band, and the bandwidth actually used by the operator in the frequency band is not set, the method only allows the operator to The bandwidth supported by this frequency band, which of the bandwidths supported by the frequency band is used, is also related to the resources actually occupied by the operator in this frequency band. For example, the operator selects the LTE system bandwidth to be 5 MHz according to the resources occupied by the carrier in the frequency band I.
- the LTE system in order for the LTE system to meet the terminal having various bandwidth capabilities to communicate in the system, according to the characteristics of the OFDM technology, It is possible to support terminals with 5MHz, 1.25MHz or 2.5MHz bandwidth capability for communication. However, if the carrier's common control channel bandwidth, such as the broadcast channel bandwidth is 2.5 MHz, it is not possible to support terminal communication with 1.25 MHz bandwidth capability.
- the LTE system can satisfy the terminal having various bandwidth capabilities to communicate in the system, since the common control channel bandwidth selected by the operator or/and the minimum bandwidth of the used frequency band cannot be known in advance, The terminal supports the bandwidth capability, and the terminal cannot know the bandwidth of the common control channel of the LTE system or the minimum bandwidth of the used frequency band, so that terminals with different bandwidth capabilities cannot access the LTE system for communication, or The problem that some terminals that do not satisfy the common control channel bandwidth capability of the LTE system or/and the minimum bandwidth capability of the adopted frequency band cannot communicate after accessing the LTE system. Summary of the invention
- the embodiments of the present invention provide a method for a terminal with a different bandwidth capability to access a wireless communication system.
- the method supports different bandwidth capability systems, and can ensure that a terminal that satisfies the bandwidth capability supported by the wireless communication system accesses the wireless communication system for communication.
- the embodiment of the invention further provides a terminal with different bandwidth capability for accessing a wireless communication system, and when the bandwidth capability supported by the terminal satisfies the wireless communication system, the terminal can be guaranteed.
- the terminal accesses the wireless communication system.
- the embodiment of the present invention further provides a system for a terminal with a different bandwidth capability to access a wireless communication system.
- the terminal can ensure that the terminal accesses the wireless communication system.
- a method for accessing a wireless communication system with terminals having different bandwidth capabilities includes:
- the terminal acquires the bandwidth capability of the frequency band used in the jurisdiction of the network side of the current wireless communication system through system signaling or preset, and accesses the wireless communication system according to the acquired bandwidth capability.
- a method of setting a bandwidth of a broadcast channel comprising: setting a bandwidth of a broadcast channel of the wireless communication system to be less than or equal to a minimum bandwidth capability of the used frequency band or less than a minimum supported bandwidth.
- a system for accessing a wireless communication system with different bandwidth capabilities comprising: a network side and a terminal of a wireless communication system, wherein
- the terminal obtains the bandwidth capability of the frequency band used by the current LTE network side jurisdiction through system signaling or pre-setting, and communicates with the network side of the wireless communication system according to the acquired bandwidth capability.
- a terminal having different bandwidth capabilities for terminal access to a wireless communication system including a communication module and a parsing module,
- the communication module is configured to receive system signaling that carries the minimum bandwidth supported by the frequency band of the wireless communication system or/and the bandwidth of the common control channel, and then sent to the parsing module, where the parsing module is parsed to obtain the frequency band supported by the wireless communication system.
- the minimum bandwidth or/and the common control channel bandwidth adjust the bandwidth of its own receiving common control channel or determine that it is higher than or equal to the minimum bandwidth supported by the frequency band used by the wireless communication system or/and the bandwidth of the common control channel.
- the letter module communicates with the wireless communication system.
- a terminal having a different bandwidth capability for accessing a wireless communication system comprising a communication module and a mapping relationship module, wherein
- mapping relationship module configured to store a minimum bandwidth of each frequency band used by the wireless communication system or a correspondence between a common control channel bandwidth, and corresponding to a minimum bandwidth corresponding to a frequency band used by the terminal to access the wireless communication system according to the correspondence relationship or And transmitting a common control channel bandwidth to the communication module;
- the communication module is configured to communicate with the network side of the wireless communication system by using a minimum bandwidth or/and a common control channel bandwidth corresponding to a frequency band used by the terminal to access the wireless communication system by using the mapping module.
- the present invention broadcasts the bandwidth capability of the wireless communication system by the wireless communication system through system signaling or in advance, so that terminals with different bandwidth capabilities can obtain the public frequency band of the current region.
- the control channel bandwidth or the minimum supported channel bandwidth determines whether it can access the wireless communication system or adjust its own bandwidth capability to access the wireless communication system according to its own bandwidth capability. Therefore, the method, system and terminal provided by the invention not only support a system with multiple bandwidths, but also ensure that a terminal that satisfies the bandwidth capability supported by the wireless communication system accesses the wireless communication system for communication, and can avoid not satisfying the wireless communication system.
- a terminal that supports bandwidth capability accesses to a wireless communication system, thereby failing to communicate.
- FIG. 1 is a schematic diagram of a frequency band of a prior art UTRAN
- FIG. 2 is a schematic diagram of a corresponding relationship between a frequency band and a supported bandwidth of a LTE system in the prior art
- FIG. 3 is a first embodiment of a method for accessing a wireless communication system with different bandwidth capabilities
- 4 is a flowchart of Embodiment 2 of a method for a terminal having a different bandwidth capability to access a wireless communication system according to the present invention
- FIG. 5 is a schematic diagram of a terminal 1 according to an embodiment of the present invention.
- FIG. 6 is a schematic diagram of a terminal 2 according to an embodiment of the present disclosure.
- FIG. 7 is a flowchart of a system according to an embodiment of the present invention. Mode for carrying out the invention
- the terminal In order to ensure that the terminal that supports the bandwidth capability supported by the LTE system accesses the LTE system supporting multiple bandwidths for communication, the terminal needs to obtain the bandwidth capability of the frequency band used by the current LTE system.
- the present invention proposes two solutions: In the LTE system, the LTE system broadcasts by using system signaling, and the LTE system uses the minimum bandwidth supported by the frequency band or/and the common control channel bandwidth to be sent to the terminal currently under the jurisdiction of the LTE system through system signaling, and the terminal according to the received system signaling.
- the minimum bandwidth to be carried or/and the bandwidth of the common control channel determine whether the bandwidth capability can access the LTE system: if the bandwidth capability of the system itself is higher than or equal to the minimum bandwidth carried by the system signaling or/and the bandwidth of the common control channel, the judgment may be Accessing the LTE system and accessing the LTE system; if the bandwidth capability of the LTE system is lower than the minimum bandwidth of the system signaling or/and the bandwidth of the common control channel, it is determined that the LTE system cannot be accessed and the LTE system is not connected.
- the minimum bandwidth or/and the common control channel bandwidth of each frequency band used by the LTE system are directly set in the network side and the terminal of the LTE system, that is, the frequency band is preset in the network side and the terminal of the LTE system.
- the terminal can obtain the minimum bandwidth or/and corresponding to the frequency band used by the current LTE system according to the relationship saved by the terminal.
- Common control channel bandwidth thus based on the minimum bandwidth obtained Or / and the common control channel bandwidth determines whether it has the bandwidth capability to access the LTE system.
- the indication adopts the frequency band.
- the bandwidth capability is the minimum bandwidth or/and the common control channel bandwidth, wherein the minimum bandwidth of the adopted frequency band may be the minimum occupied bandwidth of the frequency band or the minimum bandwidth capability of the terminal supported by the frequency band, and the common control channel bandwidth of the adopted frequency band may be wide. ⁇ or the bandwidth occupied by the synchronization channel.
- the terminal having the bandwidth capability higher than or equal to the frequency band of the indication uses the above two solutions to obtain the bandwidth capability of the indicated use frequency band, and may adjust The bandwidth of the broadcast message is received by itself, and the bandwidth of the received broadcast message is adjusted to be higher than or equal to the bandwidth capability of the indicated frequency band, and the broadcast message is received.
- the terminal may not be used for determining the bandwidth of the common control channel, such as adjusting the channel.
- the occupied bandwidth or the bandwidth occupied by the synchronization channel receives public control information such as broadcast information or synchronization information.
- the broadcast channel bandwidth of the LTE system is set to a smaller bandwidth, or a minimum supported bandwidth, or less than or equal to the minimum bandwidth of the used frequency band.
- FIG. 3 is a flowchart of Embodiment 1 of a method for accessing a wireless communication system with different bandwidth capabilities according to the present invention, and the specific steps are as follows:
- Step 300 The network side of the LTE system presets a minimum bandwidth or/and a common control channel bandwidth of each frequency band.
- the network side of the LTE system may be a cell base station (NodeB).
- NodeB cell base station
- Step 301 The LTE system network side selects the current according to the resource configuration according to the prior art.
- the frequency band used and determining the minimum bandwidth or/and the common control channel bandwidth of the used frequency band according to a preset correspondence relationship, and broadcasting the minimum bandwidth or/and the common control channel of the frequency band used by itself through system signaling within the jurisdiction bandwidth.
- the minimum bandwidth of the used frequency band or/and the common control channel bandwidth may be broadcast corresponding to the frequency band, that is, the minimum bandwidth of the frequency band used for broadcasting or/and the correspondence relationship between the common control channel bandwidth and the frequency band; The minimum bandwidth of the frequency band used by the broadcast or/and the frequency band corresponding to the common control channel bandwidth.
- the LTE system can set the channel bandwidth of the broadcast system signaling to be relatively small, such as 1.25 Mhz bandwidth.
- the bandwidth capability of the terminal can ensure that the terminal accesses the LTE system, and the bandwidth of the broadcast channel can be set to be less than or equal to the used frequency band. The minimum bandwidth, so that even if some terminals in the jurisdiction of the LTE system network do not receive the broadcast, it means that these terminals do not have the bandwidth capability to access the LTE system.
- step 302 the terminal in the range of the network of the LTE system receives the broadcast, and determines whether the bandwidth capability of the LTE system can be accessed according to the minimum bandwidth of the broadcast or/and the bandwidth of the common control channel. If yes, go to step 303; Otherwise, step 304 is performed.
- the process of determining whether the bandwidth capability of the terminal can access the LTE system according to the minimum bandwidth of the broadcast or/and the common control channel bandwidth is: determining whether the bandwidth capability that the terminal has is higher than or equal to the minimum bandwidth broadcasted and/or the common control channel. Bandwidth, if yes, can access the LTE system; otherwise, it cannot access the LTE system.
- Step 303 The terminal accesses the LTE system, and communicates with the LTE system by using a frequency band currently used by the LTE system.
- Step 304 The terminal does not access the LTE system, and the process ends.
- Step 400 The network side and the terminal of the LTE system each preset a minimum bandwidth or/and a common control channel bandwidth of each frequency band.
- the minimum bandwidth or / and common control channel bandwidth supported by each frequency band set by the network side and the terminal of the LTE system must be the same.
- Step 401 The network side of the LTE system selects the currently used frequency band according to the resource configuration according to the prior art, and determines the minimum bandwidth or/and the common control channel bandwidth of the used frequency band according to the set correspondence relationship, by using the minimum bandwidth of the frequency band or The bandwidth above the minimum bandwidth is communicated in the adopted frequency band, and the terminal determines the frequency band used by the network side jurisdiction area of the current LTE system according to the prior art.
- the process of determining, by the terminal, the frequency band used by the network side jurisdiction of the LTE system according to the prior art is: the terminal determines the frequency band used by the network side jurisdiction of the current LTE system according to the frequency band capability supported by the terminal, if one terminal supports multiple The band capability can be searched in these bands, and in which band the signal of the LTE system can be searched, the terminal adjusts its working point in this band.
- Step 402 The terminal determines, according to the preset correspondence, the minimum bandwidth or/and the common control channel bandwidth corresponding to the frequency band used by the network side jurisdiction area of the LTE system, and determines whether the frequency band capability of the LTE system is higher than or equal to the determined current The minimum bandwidth or/and the common control channel bandwidth corresponding to the frequency band used by the network side jurisdiction of the LTE system. If yes, go to step 403; otherwise, go to step 404.
- Step 403 The terminal accesses the LTE system, and passes the network side jurisdiction of the current LTE system.
- the frequency band used by the area communicates with the LTE system.
- Step 404 The terminal does not access the LTE system, and the process ends.
- the present invention can be applied to various application scenarios, and a specific embodiment will be described below. It is assumed that the minimum bandwidth of the frequency band used by the network side of the LTE system is 10 MHz, and the bandwidth of the common control channel is 5 MHz.
- the terminal After the terminal obtains the bandwidth capability of the LTE system through the system signaling broadcasted by the network side of the LTE system, the terminal adjusts itself and accesses the LTE. system. There are two methods for adjusting. The first one is to determine whether the bandwidth capability of the LTE system is higher than or equal to the bandwidth of the LTE system. If yes, access the LTE system. Otherwise, the LTE system is not connected, and the process ends.
- the second type Adjust the bandwidth capability of the network, so that it has the bandwidth capability to access the LTE system.
- the method for accessing a wireless communication system with different bandwidth capabilities enables a terminal having different bandwidth capabilities to obtain the bandwidth capability of the frequency band used in the network side jurisdiction of the current LTE system, such as the minimum bandwidth or/and the common control channel bandwidth. Therefore, it is determined whether the LTE system can be accessed according to its own bandwidth capability.
- the method of the present invention can not only enable the LTE system to access terminals with different bandwidth capabilities, but also satisfy terminals with various bandwidth capabilities to communicate in the LTE system, and can also specify the terminal with which bandwidth capability the LTE system can access. At the same time, LTE systems with different bandwidths are supported.
- the terminal can adjust the bandwidth of the common control information, such as the broadcast message or the synchronization information, by indicating the bandwidth occupied by the common control channel, such as the broadcast channel or the synchronization channel, to facilitate the terminal to receive the public control correctly and conveniently.
- Information such as broadcast messages or synchronization information
- the LTE system can flexibly adjust the bandwidth occupied by a common control channel such as a broadcast channel or a synchronization channel in different network configuration environments.
- the foregoing describes the process for the terminal to access the wireless communication system with different bandwidth capabilities in the LTE system, but the present invention is not limited to the LTE system, and other systems may be used to perform terminal access wireless communication systems with different bandwidth capabilities. the process of.
- the embodiment of the invention further provides a terminal, which has a communication module and a parsing module in addition to the modules existing in the prior art.
- the communication module is configured to receive system signaling that carries the minimum bandwidth supported by the frequency band used by the LTE system or/and the common control channel bandwidth, and then sent to the parsing module, where the parsing module parses the minimum supported by the LTE system.
- Bandwidth or/and common control channel bandwidth adjust the bandwidth of its own receiving common control channel or determine that it is higher than or equal to the minimum bandwidth supported by the LTE system band or/and the common control channel bandwidth, and then communicate with the LTE system through the communication module.
- the embodiment of the present invention further provides another terminal, which has a communication module and a mapping relationship module, in addition to the modules existing in the prior art, where
- mapping relationship module configured to store a minimum bandwidth or/and a common control channel bandwidth of each frequency band used by the LTE system, and corresponding to a minimum bandwidth or/and a public frequency corresponding to a frequency band used by the terminal to access the LTE system according to the correspondence relationship
- the control channel bandwidth is sent to the communication module;
- the communication module is configured to communicate with the network side of the LTE system by using the minimum bandwidth or/and the common control channel bandwidth corresponding to the frequency band used by the terminal currently connected to the LTE system sent by the mapping module.
- the embodiment of the present invention further provides a system, where the system includes an LTE network side and a terminal, where the terminal obtains a minimum bandwidth or/and a common control channel of a frequency band used by the current LTE network side jurisdiction area through system signaling or preset setting.
- the bandwidth is processed according to the obtained minimum bandwidth or/and the common control channel bandwidth, and communicates with the LTE system network side.
- the terminal of the application may be two terminals proposed in the embodiments of the present invention.
- the terminal and system embodiments of the present invention are exemplified by the LTE system, but the present invention is not limited to the LTE system, and may be other wireless communication systems.
- the above described specific embodiments of the present invention are described in detail, and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the invention.
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Abstract
A method, system and terminal of the terminals with different bandwidth capacity accessing to the radio communication system. The method includes: the terminal obtains the bandwidth capacity of the frequency used in the precinct of the current wireless communication system network side by the system signaling or predetermining, and processes its bandwidth capacity based on the obtained bandwidth capacity and then accesses the wireless communication system. It ensures that the terminal which fulfils the bandwidth capacity supported by the wireless communication system accesses to the wireless communication system and communicates, and it can avoid the problem that terminal which does not fulfil the bandwidth capacity supported by the wireless communication system accessing to the wireless communication system, and then can not communicating.
Description
具有不同带宽能力终端接入无线通信***的方法、 ***及终端 技术领域 Method, system and terminal for terminal access wireless communication system with different bandwidth capabilities
本发明涉及终端接入无线通信***的技术, 特別涉及一种具有不同 带宽能力终端接入无线通信***的方法、 ***及终端。 发明背景 The present invention relates to a technology for a terminal to access a wireless communication system, and more particularly to a method, system and terminal for a terminal having a different bandwidth capability to access a wireless communication system. Background of the invention
通用移动通讯***(UMTS )是釆用宽带码分多址 (WCDMA ) 空 中接口技术的第三代移动通信***。 随着第三代移动通信***的发展, 为了能在 UMTS中采用微波存取全球互通(WiMAX )等高速无线接入 技术, 保持 WCDMA/全球移动通信*** ( GSM )标准的生命力和竟争 力, 3GPP提出了 UMTS的长期演进( LTE ), LTE主要研究 UMTS接入 网的演进。 目前, LTE的物理层以正交频分多址接入( OFDM )技术为 基础。 The Universal Mobile Telecommunications System (UMTS) is the third generation mobile communication system using Wideband Code Division Multiple Access (WCDMA) air interface technology. With the development of the third generation mobile communication system, in order to use the high-speed wireless access technology such as microwave access global interoperability (WiMAX) in UMTS, to maintain the vitality and competitiveness of the WCDMA/Global System for Mobile Communications (GSM) standard, 3GPP proposes Long Term Evolution (LTE) of UMTS, which mainly studies the evolution of UMTS access networks. Currently, the physical layer of LTE is based on Orthogonal Frequency Division Multiple Access (OFDM) technology.
LTE***可以在 UMTS陆地无线接入网 (UTRAN )的已有频带上 进行各种消息的收发。图 1为 UTRAN的频带示意图,如图所示: UTRAN 具有多个频带, 每个频带都设定有上下行频率, 如频带 I的上下行频率 分别为 1920-1980MHZ和 2110-2170MHz。 UTRAN的网络侧与终端可以 通过各个频带进行通信。 The LTE system can transmit and receive various messages on the existing frequency band of the UMTS Terrestrial Radio Access Network (UTRAN). Figure 1 is a schematic diagram of the frequency band of the UTRAN, as shown in the figure: The UTRAN has multiple frequency bands, each of which is set with uplink and downlink frequencies. For example, the uplink and downlink frequencies of the frequency band I are 1920-1980 MHz and 2110-2170 MHz, respectively. The network side and terminal of the UTRAN can communicate through each frequency band.
UTRAN预先设定每个频带具有固定的信道带宽: 5MHz,即 UTRAN 各个频带所能支持的信道带宽为固定的 5MHz带宽并且 UTRAN的广播 信道的带宽也是 5MHz, 这样, UTRAN只能适合具有 5MHz带宽能力 的终端与 UTRAN的网络侧进行通信, 收发消息, 通过广播信道接收广 播消息。 The UTRAN presets a fixed channel bandwidth for each frequency band: 5 MHz, that is, the channel bandwidth supported by each UTRAN band is a fixed 5 MHz bandwidth and the bandwidth of the UTRAN broadcast channel is also 5 MHz. Thus, the UTRAN can only be adapted to have a bandwidth of 5 MHz. The terminal communicates with the network side of the UTRAN, sends and receives messages, and receives broadcast messages through the broadcast channel.
但是, 按照 LTE***的设计要求, 需要 LTE***的各个频带可以
支持多种带宽的运行, 可支持的带宽为: 1.25MHz, 2.5MHz, 5MHz, 10MHz, 15:\11¾和20]^2。 相应地, LTE***也可以满足具有各种带 宽能力的终端在***中通信。如果 LTE***在 UTRAN的已有频带上进 行各种消息的收发, 由于 UTRAN各个频带支持固定带宽, 就无法满足 具有各种带宽能力的终端在 LTE***中进行通信的设计要求。例如, LTE ***网络侧设定所使用的频带的带宽为 1 ΟΜΗζ ,使用的广播信道的带宽 为 5MHz (广播信道的带宽可以由 LTE***根据需要进行配置), 但是 由于 LTE***在 UTRAN的已有具有固定带宽的频带上进行各种消息的 收发, 所以实际上 LTE***网络侧所使用的频带的带宽为 5MHz, 使用 的广播信道的带宽为 5MHz, 只可以满足具有 5MHz带宽的终端在*** 中通信, 而具有其他带宽能力的终端, 如具有 1.25MHz以及 2.5MHz带 宽能力的终端无法在 LTE***进行通信,即便是将具有其他带宽能力的 终端强行接入 LTE ***, 具有其他带宽能力的终端也无法正确接收到 LTE***发送的各种消息。 However, according to the design requirements of the LTE system, each frequency band of the LTE system may be required. Supports multiple bandwidth runs with support bandwidths of 1.25MHz, 2.5MHz, 5MHz, 10MHz, 15:\113⁄4 and 20]^2. Accordingly, the LTE system can also satisfy terminals having various bandwidth capabilities to communicate in the system. If the LTE system performs various message transmission and reception on the existing frequency band of the UTRAN, since the UTRAN supports a fixed bandwidth in each frequency band, the design requirements for the communication of the terminal having various bandwidth capabilities in the LTE system cannot be satisfied. For example, the bandwidth of the frequency band used by the network side setting of the LTE system is 1 ΟΜΗζ, and the bandwidth of the used broadcast channel is 5 MHz (the bandwidth of the broadcast channel can be configured by the LTE system as needed), but since the LTE system is already in the UTRAN In the frequency band with fixed bandwidth, various messages are sent and received. Therefore, the bandwidth of the frequency band used by the network side of the LTE system is 5 MHz, and the bandwidth of the used broadcast channel is 5 MHz. Only the terminal with 5 MHz bandwidth can communicate in the system. Terminals with other bandwidth capabilities, such as terminals with 1.25MHz and 2.5MHz bandwidth capabilities, cannot communicate in the LTE system. Even if terminals with other bandwidth capabilities are forcibly connected to the LTE system, terminals with other bandwidth capabilities cannot. Correctly receive various messages sent by the LTE system.
采用上述方法时, 由于预先规定了各个频带的固定带宽, 所以在设 置终端时, 也会将终端的带宽能力设置为所规定的固定带宽, 从而保证 终端可以接入 LTE***。但是,这样只能保证具有固定带宽能力的终端 接入 LTE***。 When the above method is used, since the fixed bandwidth of each frequency band is pre-defined, when the terminal is set, the bandwidth capability of the terminal is also set to the specified fixed bandwidth, thereby ensuring that the terminal can access the LTE system. However, this only ensures that terminals with fixed bandwidth capability access the LTE system.
为了克服上述方法 LTE ***不能满足具有各种带宽能力的终端在 ***中通信, 在进行频带带宽的设置时, 也可以不设置固定带宽, 而是 将各个频带分别支持的带宽都作为该频带的带宽进行设定。如图 2所示, 图 2为现有技术 LTE***的频带与所支持带宽的对应关系示意图:频带 I的上下行频率分别为 1920-1980MHZ和 2110-2170MHZ, 所支持的带宽 可以为 2.5MHz, 5MHz、 10MHz、 15MHz和 20MHz。 采用这种方法理 论上能够使 LTE***满足具有各种带宽能力的终端在***中通信,但是
在具体实现中, 由于只是对各个频带分别支持的带宽都作为该频带的带 宽进行设定, 而没有对运营商实际在此频带内使用的带宽进行设定, 即 这种方法只是允许运营商可以使用此频带所支持的带宽, 具体使用此频 带所支持带宽中的哪种带宽, 还与运营商实际在此频带内占用的资源有 关。 例如, 运营商才艮据自身在频带 I内占用的资源, 选择了 LTE***带 宽为 5MHz, 这时, 为了使 LTE***满足具有各种带宽能力的终端在系 统中通信,根据 OFDM技术特点,这时可能支持具有 5MHz 、 1.25MHz 或 2.5MHz带宽能力的终端进行通信。 但是, 如果此运营商的公共控制 信道带宽, 例如广播信道带宽为 2.5 MHz, 则不能支持具有 1.25MHz带 宽能力的终端进^ f亍通信。 In order to overcome the above method, the LTE system cannot satisfy the communication of terminals with various bandwidth capabilities in the system. When setting the bandwidth of the frequency band, the fixed bandwidth may not be set, and the bandwidth supported by each frequency band is used as the bandwidth of the frequency band. Make settings. As shown in FIG. 2, FIG. 2 is a schematic diagram of a corresponding relationship between a frequency band of a prior art LTE system and a supported bandwidth: the uplink and downlink frequencies of the frequency band I are 1920-1980 MHz and 2110-2170 MHz, respectively, and the supported bandwidth may be 2.5 MHz. 5MHz, 10MHz, 15MHz and 20MHz. Using this method can theoretically enable LTE systems to meet terminals with various bandwidth capabilities to communicate in the system, but In a specific implementation, since only the bandwidth supported by each frequency band is set as the bandwidth of the frequency band, and the bandwidth actually used by the operator in the frequency band is not set, the method only allows the operator to The bandwidth supported by this frequency band, which of the bandwidths supported by the frequency band is used, is also related to the resources actually occupied by the operator in this frequency band. For example, the operator selects the LTE system bandwidth to be 5 MHz according to the resources occupied by the carrier in the frequency band I. In this case, in order for the LTE system to meet the terminal having various bandwidth capabilities to communicate in the system, according to the characteristics of the OFDM technology, It is possible to support terminals with 5MHz, 1.25MHz or 2.5MHz bandwidth capability for communication. However, if the carrier's common control channel bandwidth, such as the broadcast channel bandwidth is 2.5 MHz, it is not possible to support terminal communication with 1.25 MHz bandwidth capability.
采用上述方法时, 虽然可以使 LTE ***满足具有各种带宽能力的 终端在***中通信, 但是由于无法预先得知运营商所选择的公共控制信 道带宽或 /和所采用频带的最小带宽,所以无法对终端支持带宽能力进行 设置, 终端也无法得知当前所在 LTE ***公共控制信道带宽或 /和所采 用频带的最小带宽, 从而会导致具有不同带宽能力的终端无法接入到 LTE***进行通信,或者导致一些不满足 LTE***公共控制信道带宽能 力或 /和所采用频带的最小带宽能力的终端接入到 LTE ***后无法进行 通信的问题。 发明内容 When the above method is adopted, although the LTE system can satisfy the terminal having various bandwidth capabilities to communicate in the system, since the common control channel bandwidth selected by the operator or/and the minimum bandwidth of the used frequency band cannot be known in advance, The terminal supports the bandwidth capability, and the terminal cannot know the bandwidth of the common control channel of the LTE system or the minimum bandwidth of the used frequency band, so that terminals with different bandwidth capabilities cannot access the LTE system for communication, or The problem that some terminals that do not satisfy the common control channel bandwidth capability of the LTE system or/and the minimum bandwidth capability of the adopted frequency band cannot communicate after accessing the LTE system. Summary of the invention
本发明实施例在于提供一种具有不同带宽能力终端接入无线通信 ***的方法, 该方法支持不同带宽能力***, 能够保证满足无线通信系 统所支持带宽能力的终端接入到无线通信***进行通信。 The embodiments of the present invention provide a method for a terminal with a different bandwidth capability to access a wireless communication system. The method supports different bandwidth capability systems, and can ensure that a terminal that satisfies the bandwidth capability supported by the wireless communication system accesses the wireless communication system for communication.
本发明实施例还提供一种具有不同带宽能力终端接入无线通信系 统的终端, 当自身所支持的带宽能力满足无线通信***时, 能够保证终
端接入无线通信***。 The embodiment of the invention further provides a terminal with different bandwidth capability for accessing a wireless communication system, and when the bandwidth capability supported by the terminal satisfies the wireless communication system, the terminal can be guaranteed. The terminal accesses the wireless communication system.
本发明实施例还提供一种具有不同带宽能力终端接入无线通信系 统的***, 当自身所支持的带宽能力满足无线通信***时, 能够保证终 端接入无线通信***。 The embodiment of the present invention further provides a system for a terminal with a different bandwidth capability to access a wireless communication system. When the bandwidth capability supported by the terminal satisfies the wireless communication system, the terminal can ensure that the terminal accesses the wireless communication system.
根据上述目的, 本发明实施例的技术方案是这样实现的: 一种具有不同带宽能力终端接入无线通信***的方法, 该方法包 括: According to the above objective, the technical solution of the embodiment of the present invention is implemented as follows: A method for accessing a wireless communication system with terminals having different bandwidth capabilities, the method includes:
终端通过***信令或预先设置获取到当前所在无线通信***网絡 侧管辖区域所采用频带的带宽能力, 根据获取到的带宽能力接入无线通 信***。 The terminal acquires the bandwidth capability of the frequency band used in the jurisdiction of the network side of the current wireless communication system through system signaling or preset, and accesses the wireless communication system according to the acquired bandwidth capability.
一种设置广播信道的带宽的方法, 该方法包括: 将无线通信***的 广播信道的带宽设置为小于等于所采用频带的最小带宽能力或小于等 于所支持的最小带宽。 A method of setting a bandwidth of a broadcast channel, the method comprising: setting a bandwidth of a broadcast channel of the wireless communication system to be less than or equal to a minimum bandwidth capability of the used frequency band or less than a minimum supported bandwidth.
一种具有不同带宽能力终端接入无线通信***的***, 包括: 无线 通信***网絡侧和终端, 其中, A system for accessing a wireless communication system with different bandwidth capabilities, comprising: a network side and a terminal of a wireless communication system, wherein
终端通过***信令或预先设置获取到当前所在 LTE 网络侧管辖区 域所采用频带的带宽能力, 才艮据获取到的带宽能力与无线通信***网络 侧进行通信。 The terminal obtains the bandwidth capability of the frequency band used by the current LTE network side jurisdiction through system signaling or pre-setting, and communicates with the network side of the wireless communication system according to the acquired bandwidth capability.
一种具有不同带宽能力终端接入无线通信***的终端, 包括通信模 块和解析模块, A terminal having different bandwidth capabilities for terminal access to a wireless communication system, including a communication module and a parsing module,
其中, 通信模块用于接收携带无线通信***采用频带所支持的最小 带宽或 /和公共控制信道带宽的***信令后,发送给解析模块, 解析模块 才艮据解析得到无线通信***采用频带所支持的最小带宽或 /和公共控制 信道带宽, 调整自身的接收公共控制信道的带宽或判断出高于等于无线 通信***采用频带所支持的最小带宽或 /和公共控制信道带宽后 ,通过通
信模块与无线通信***进行通信。 The communication module is configured to receive system signaling that carries the minimum bandwidth supported by the frequency band of the wireless communication system or/and the bandwidth of the common control channel, and then sent to the parsing module, where the parsing module is parsed to obtain the frequency band supported by the wireless communication system. The minimum bandwidth or/and the common control channel bandwidth, adjust the bandwidth of its own receiving common control channel or determine that it is higher than or equal to the minimum bandwidth supported by the frequency band used by the wireless communication system or/and the bandwidth of the common control channel. The letter module communicates with the wireless communication system.
一种具有不同带宽能力终端接入无线通信***的终端, 包括通信模 块和映射关系模块, 其中, A terminal having a different bandwidth capability for accessing a wireless communication system, comprising a communication module and a mapping relationship module, wherein
映射关系模块, 用于存储无线通信***所采用各个频带的最小带宽 或 /和公共控制信道带宽的对应关系,根据对应关系将对应于终端当前接 入无线通信***所采用频带对应的最小带宽或 /和公共控制信道带宽发 送给通信模块; a mapping relationship module, configured to store a minimum bandwidth of each frequency band used by the wireless communication system or a correspondence between a common control channel bandwidth, and corresponding to a minimum bandwidth corresponding to a frequency band used by the terminal to access the wireless communication system according to the correspondence relationship or And transmitting a common control channel bandwidth to the communication module;
通信模块, 用于采用映射模块发送的终端当前接入无线通信***所 采用频带对应的最小带宽或 /和公共控制信道带宽与无线通信***网络 侧进行通信。 The communication module is configured to communicate with the network side of the wireless communication system by using a minimum bandwidth or/and a common control channel bandwidth corresponding to a frequency band used by the terminal to access the wireless communication system by using the mapping module.
从上述方案可以看出,本发明由无线通信***通过***信令广播或 预先在终端设置无线通信***所采用的带宽能力, 从而可以使具有不同 带宽能力的终端获得当前所在区域釆用频带的公共控制信道带宽或最 小可支持的信道带宽, 根据自身带宽能力确定是否能够接入无线通信系 统或调整自身带宽能力接入无线通信***。 因此, 本发明提供的方法、 ***及终端不仅支持了多种带宽的***、 保证了满足无线通信***所支 持带宽能力的终端接入到无线通信***进行通信, 而且可以避免不满足 无线通信***所支持带宽能力的终端接入到无线通信***, 从而无法通 信的问题。 附图简要说明 It can be seen from the above solution that the present invention broadcasts the bandwidth capability of the wireless communication system by the wireless communication system through system signaling or in advance, so that terminals with different bandwidth capabilities can obtain the public frequency band of the current region. The control channel bandwidth or the minimum supported channel bandwidth determines whether it can access the wireless communication system or adjust its own bandwidth capability to access the wireless communication system according to its own bandwidth capability. Therefore, the method, system and terminal provided by the invention not only support a system with multiple bandwidths, but also ensure that a terminal that satisfies the bandwidth capability supported by the wireless communication system accesses the wireless communication system for communication, and can avoid not satisfying the wireless communication system. A terminal that supports bandwidth capability accesses to a wireless communication system, thereby failing to communicate. BRIEF DESCRIPTION OF THE DRAWINGS
图 1为现有技术 UTRAN的频带示意图; 1 is a schematic diagram of a frequency band of a prior art UTRAN;
图 2为现有技术 LTE***的频带与所支持带宽的对应关系示意图; 图 3 为本发明具有不同带宽能力终端接入无线通信***的方法实 施例一的;充程图;
图 4 为本发明具有不同带宽能力终端接入无线通信***的方法实 施例二的流程图; 2 is a schematic diagram of a corresponding relationship between a frequency band and a supported bandwidth of a LTE system in the prior art; FIG. 3 is a first embodiment of a method for accessing a wireless communication system with different bandwidth capabilities; 4 is a flowchart of Embodiment 2 of a method for a terminal having a different bandwidth capability to access a wireless communication system according to the present invention;
图 5为本发明实施例提供的终端一的示意图; FIG. 5 is a schematic diagram of a terminal 1 according to an embodiment of the present invention;
图 6为本发明实施例提供的终端二的示意图; FIG. 6 is a schematic diagram of a terminal 2 according to an embodiment of the present disclosure;
图 7为本发明实施例提供的***流程图。 实施本发明的方式 FIG. 7 is a flowchart of a system according to an embodiment of the present invention. Mode for carrying out the invention
为使本发明的目的、 技术方案和优点更加清楚明白, 以下举实施例 并参照附图, 对本发明进一步详细说明。 The present invention will be further described in detail below with reference to the accompanying drawings.
为了保证满足 LTE ***所支持带宽能力的终端接入到支持多种带 宽的 LTE***进行通信, 终端就需要获取到当前所在 LTE***采用频 带的带宽能力, 本发明提出了两种解决方案: 第一种方案, LTE***采 用***信令进行广播, 将 LTE ***采用频带所支持的最小带宽或 /和公 共控制信道带宽通过***信令发送给 LTE***当前管辖的终端,终端根 据接收到的***信令携带的最小带宽或 /和公共控制信道带宽判断自身 具有带宽能力是否能够接入 LTE***:如果自身具有的带宽能力高于等 于***信令携带的最小带宽或 /和公共控制信道带宽, 则判断可以接入 LTE***, 接入 LTE***; 如果自身具有的带宽能力低于***信令携带 的最小带宽或 /和公共控制信道带宽, 则判断不可以接入 LTE ***, 不 接入 LTE***。 第二种方案, 在 LTE***设置时, 直接在 LTE***网 络侧和终端中设置 LTE ***所采用各个频带的最小带宽或 /和公共控制 信道带宽,即在 LTE***网络侧和终端中预先设置频带与频带的最小带 宽或 /和公共控制信道带宽的对应关系, 当终端要接入当前所在 LTE 系 统时,可以根据自身保存的对应关系获取到当前所在 LTE***所采用频 带对应的最小带宽或 /和公共控制信道带宽,从而根据获取到的最小带宽
或 /和公共控制信道带宽确定自身具有带宽能力是否能够接入 LTE***。 在本发明中, 无论是通过***信令指示采用频带的带宽能力, 还是 预先在 LTE***网络侧和终端预先设置指示采用频带的带宽能力,最小 带宽或 /和公共控制信道带宽,该指示采用频带的带宽能力为最小带宽或 /和公共控制信道带宽,其中采用频带的最小带宽可以是该频带最小占用 带宽或该频带所支持终端具有的最小带宽能力、 采用频带的公共控制信 道带宽可以是广^ ί言道或同步信道占用的带宽。 In order to ensure that the terminal that supports the bandwidth capability supported by the LTE system accesses the LTE system supporting multiple bandwidths for communication, the terminal needs to obtain the bandwidth capability of the frequency band used by the current LTE system. The present invention proposes two solutions: In the LTE system, the LTE system broadcasts by using system signaling, and the LTE system uses the minimum bandwidth supported by the frequency band or/and the common control channel bandwidth to be sent to the terminal currently under the jurisdiction of the LTE system through system signaling, and the terminal according to the received system signaling. The minimum bandwidth to be carried or/and the bandwidth of the common control channel determine whether the bandwidth capability can access the LTE system: if the bandwidth capability of the system itself is higher than or equal to the minimum bandwidth carried by the system signaling or/and the bandwidth of the common control channel, the judgment may be Accessing the LTE system and accessing the LTE system; if the bandwidth capability of the LTE system is lower than the minimum bandwidth of the system signaling or/and the bandwidth of the common control channel, it is determined that the LTE system cannot be accessed and the LTE system is not connected. In the second scheme, when the LTE system is set, the minimum bandwidth or/and the common control channel bandwidth of each frequency band used by the LTE system are directly set in the network side and the terminal of the LTE system, that is, the frequency band is preset in the network side and the terminal of the LTE system. Corresponding to the minimum bandwidth of the frequency band or the bandwidth of the common control channel, when the terminal is to access the current LTE system, the terminal can obtain the minimum bandwidth or/and corresponding to the frequency band used by the current LTE system according to the relationship saved by the terminal. Common control channel bandwidth, thus based on the minimum bandwidth obtained Or / and the common control channel bandwidth determines whether it has the bandwidth capability to access the LTE system. In the present invention, whether the bandwidth capability of the frequency band is indicated by the system signaling, or the bandwidth capability indicating the frequency band used, the minimum bandwidth or/and the common control channel bandwidth are preset in advance on the network side and the terminal of the LTE system, the indication adopts the frequency band. The bandwidth capability is the minimum bandwidth or/and the common control channel bandwidth, wherein the minimum bandwidth of the adopted frequency band may be the minimum occupied bandwidth of the frequency band or the minimum bandwidth capability of the terminal supported by the frequency band, and the common control channel bandwidth of the adopted frequency band may be wide. ί or the bandwidth occupied by the synchronization channel.
当指示采用频带的带宽能力为该频带所对应广播信道占用的带宽 时, 具有高于等于该指示采用频带的带宽能力的终端采用以上两种方案 获取到该指示采用频带的带宽能力后, 可以调整自身接收广播消息的带 宽, 将接收广播消息的带宽调整为高于等于该指示采用频带的带宽能 力, 接收广播消息。 When indicating that the bandwidth capability of the frequency band is the bandwidth occupied by the broadcast channel corresponding to the frequency band, the terminal having the bandwidth capability higher than or equal to the frequency band of the indication uses the above two solutions to obtain the bandwidth capability of the indicated use frequency band, and may adjust The bandwidth of the broadcast message is received by itself, and the bandwidth of the received broadcast message is adjusted to be higher than or equal to the bandwidth capability of the indicated frequency band, and the broadcast message is received.
在本发明中, 终端通过上述两种方法获得釆用频带的最小带宽或 / 和公共控制信道带宽后也可以不用于和自身能力判断, 而是直接调整自 身接收公共控制信道的带宽, 如调整信道占用的带宽或同步信道占用的 带宽, 接收公共控制信息, 如广播信息或同步信息。 In the present invention, after obtaining the minimum bandwidth or/and the common control channel bandwidth of the active frequency band by the above two methods, the terminal may not be used for determining the bandwidth of the common control channel, such as adjusting the channel. The occupied bandwidth or the bandwidth occupied by the synchronization channel receives public control information such as broadcast information or synchronization information.
在本发明中, LTE***的广播信道带宽设置为较小带宽、 或所支持 的最小带宽、 或小于或等于所采用频带的最小带宽。 In the present invention, the broadcast channel bandwidth of the LTE system is set to a smaller bandwidth, or a minimum supported bandwidth, or less than or equal to the minimum bandwidth of the used frequency band.
以下对这两个方案进行详细说明。 The two scenarios are described in detail below.
图 3为本发明具有不同带宽能力终端接入无线通信***的方法实施 例一的流程图, 其具体步驟为: FIG. 3 is a flowchart of Embodiment 1 of a method for accessing a wireless communication system with different bandwidth capabilities according to the present invention, and the specific steps are as follows:
步骤 300、 LTE***网络侧预先设置各个频带的最小带宽或 /和公共 控制信道带宽。 Step 300: The network side of the LTE system presets a minimum bandwidth or/and a common control channel bandwidth of each frequency band.
LTE***网络侧可以为小区基站 ( NodeB )。 The network side of the LTE system may be a cell base station (NodeB).
步驟 301、 LTE***网络侧按照现有技术根据资源配置, 选择当前
所采用的频带, 并根据预先设置的对应关系确定所采用频带的最小带宽 或 /和公共控制信道带宽,在所管辖范围内通过***信令广播自身所采用 频带的最小带宽或 /和公共控制信道带宽。 Step 301: The LTE system network side selects the current according to the resource configuration according to the prior art. The frequency band used, and determining the minimum bandwidth or/and the common control channel bandwidth of the used frequency band according to a preset correspondence relationship, and broadcasting the minimum bandwidth or/and the common control channel of the frequency band used by itself through system signaling within the jurisdiction bandwidth.
在进行广播时,可以将所采用频带的最小带宽或 /和公共控制信道带 宽对应于频带进行广播,即广播所采用频带的最小带宽或 /和公共控制信 道带宽与频带的对应关系;也可以不广播所采用频带的最小带宽或 /和公 共控制信道带宽对应的频带。 When broadcasting, the minimum bandwidth of the used frequency band or/and the common control channel bandwidth may be broadcast corresponding to the frequency band, that is, the minimum bandwidth of the frequency band used for broadcasting or/and the correspondence relationship between the common control channel bandwidth and the frequency band; The minimum bandwidth of the frequency band used by the broadcast or/and the frequency band corresponding to the common control channel bandwidth.
在广播时,为了保证支持不同带宽的 LTE***网络侧在所管辖范围 内的终端都可以收到广播, LTE***可以将广播***信令的信道带宽设 置的比较小, 如 1.25Mhz带宽。 在广播时, 为了保证 LTE***网络侧在 所管辖范围内的终端可以收到广播, 该终端具有的带宽能力可以保证该 终端接入 LTE***,也可以将广播信道的带宽设置小于等于所采用频带 的最小带宽, 这样, 即使有一些在 LTE***网绦侧所管辖范围内的终端 没有接收到广播, 也说明这些终端不具有接入 LTE***的带宽能力。 In the broadcast, in order to ensure that the terminals on the network side of the LTE system supporting different bandwidths can receive broadcasts, the LTE system can set the channel bandwidth of the broadcast system signaling to be relatively small, such as 1.25 Mhz bandwidth. In the broadcast, in order to ensure that the terminal on the network side of the LTE system can receive the broadcast, the bandwidth capability of the terminal can ensure that the terminal accesses the LTE system, and the bandwidth of the broadcast channel can be set to be less than or equal to the used frequency band. The minimum bandwidth, so that even if some terminals in the jurisdiction of the LTE system network do not receive the broadcast, it means that these terminals do not have the bandwidth capability to access the LTE system.
步骤 302、 在 LTE***网络侧所管辖范围内的终端接收到广播, 根 据广播的最小带宽或 /和公共控制信道带宽确定自身具有的带宽能力是 否能够接入 LTE***, 如果是, 执行步骤 303; 否则, 执行步驟 304。 In step 302, the terminal in the range of the network of the LTE system receives the broadcast, and determines whether the bandwidth capability of the LTE system can be accessed according to the minimum bandwidth of the broadcast or/and the bandwidth of the common control channel. If yes, go to step 303; Otherwise, step 304 is performed.
终端根据广播的最小带宽或 /和公共控制信道带宽确定自身具有的 带宽能力是否能够接入 LTE***的过程为:判断自身具有的带宽能力是 否高于等于所广播的最小带宽或 /和公共控制信道带宽, 如果是, 则能够 接入 LTE***; 否则, 则不能够接入 LTE***。 The process of determining whether the bandwidth capability of the terminal can access the LTE system according to the minimum bandwidth of the broadcast or/and the common control channel bandwidth is: determining whether the bandwidth capability that the terminal has is higher than or equal to the minimum bandwidth broadcasted and/or the common control channel. Bandwidth, if yes, can access the LTE system; otherwise, it cannot access the LTE system.
步骤 303、 终端接入 LTE***, 通过 LTE***当前所采用的频带, 与 LTE***进行通信。 Step 303: The terminal accesses the LTE system, and communicates with the LTE system by using a frequency band currently used by the LTE system.
步骤 304、 终端不接入 LTE***, 结束本流程。 Step 304: The terminal does not access the LTE system, and the process ends.
图 4为本发明具有不同带宽能力终端接入无线通信***的方法实施
例二的流程图, 其具体步驟为: 4 is a method for implementing a terminal with a different bandwidth capability to access a wireless communication system according to the present invention; The flow chart of the second example, the specific steps are:
步骤 400、 LTE***网络侧和终端各自预先设置各个频带的最小带 宽或 /和公共控制信道带宽。 Step 400: The network side and the terminal of the LTE system each preset a minimum bandwidth or/and a common control channel bandwidth of each frequency band.
LTE ***网络侧和终端各自设置的各个频带支持的最小带宽或 /和 公共控制信道带宽必须相同。 The minimum bandwidth or / and common control channel bandwidth supported by each frequency band set by the network side and the terminal of the LTE system must be the same.
在设置时, 可以定义各个频带的最小带宽或 /和公共控制信道带宽; 也可以默认各个频带的最小带宽或 /和公共控制信道带宽, 默认的过程 为: 预先设置一个公共值, 如没有特殊指示, 就都用这个设置的公共 值。 When setting, you can define the minimum bandwidth of each frequency band or / and the common control channel bandwidth; you can also default the minimum bandwidth of each frequency band or / and the common control channel bandwidth, the default process is: preset a common value, if there is no special indication , all use the public value of this setting.
步驟 401、 LTE ***网络侧按照现有技术根据资源配置, 选择当前 所采用的频带,根据设定的对应关系确定所采用频带的最小带宽或 /和公 共控制信道带宽, 通过采用频带的最小带宽或者最小带宽以上带宽在采 用的频带内进行通信,终端按照现有技术确定当前所在 LTE***网络侧 管辖区域使用的频带。 Step 401: The network side of the LTE system selects the currently used frequency band according to the resource configuration according to the prior art, and determines the minimum bandwidth or/and the common control channel bandwidth of the used frequency band according to the set correspondence relationship, by using the minimum bandwidth of the frequency band or The bandwidth above the minimum bandwidth is communicated in the adopted frequency band, and the terminal determines the frequency band used by the network side jurisdiction area of the current LTE system according to the prior art.
终端按照现有技术确定当前所在 LTE ***网络侧管辖区域使用的 频带的过程为:终端才艮据本身支持的频段能力确定当前所在 LTE***网 络侧管辖区域使用的频带, 如果一个终端同时支持多个频段能力, 可以 在这些频段进行搜索, 哪个频段上可以搜索到 LTE***的信号, 则终端 调整其工作点在这个频段上。 The process of determining, by the terminal, the frequency band used by the network side jurisdiction of the LTE system according to the prior art is: the terminal determines the frequency band used by the network side jurisdiction of the current LTE system according to the frequency band capability supported by the terminal, if one terminal supports multiple The band capability can be searched in these bands, and in which band the signal of the LTE system can be searched, the terminal adjusts its working point in this band.
步驟 402、 终端才艮据预先设置的对应关系确定当前所在 LTE***网 络侧管辖区域所采用的频带对应的最小带宽或 /和公共控制信道带宽,判 断自身具有的频带能力是否高于等于所确定当前所在 LTE ***网络侧 管辖区域使用的频带对应的最小带宽或 /和公共控制信道带宽, 如果是, 执行步骤 403; 否则, 执行步骤 404。 Step 402: The terminal determines, according to the preset correspondence, the minimum bandwidth or/and the common control channel bandwidth corresponding to the frequency band used by the network side jurisdiction area of the LTE system, and determines whether the frequency band capability of the LTE system is higher than or equal to the determined current The minimum bandwidth or/and the common control channel bandwidth corresponding to the frequency band used by the network side jurisdiction of the LTE system. If yes, go to step 403; otherwise, go to step 404.
步驟 403、 终端接入 LTE系統, 通过当前所在 LTE***网络侧管辖
区域所采用的频带, 与 LTE***进行通信。 Step 403: The terminal accesses the LTE system, and passes the network side jurisdiction of the current LTE system. The frequency band used by the area communicates with the LTE system.
步驟 404、 终端不接入 LTE***, 结束本流程。 Step 404: The terminal does not access the LTE system, and the process ends.
本发明可以适用于各种应用场景, 以下举一个具体实施例进行说 明。 假设 LTE***网络侧采用频带的最小带宽为 10MHz, 公共控制信 道带宽为 5MHz, 终端通过 LTE***网络侧广播的***信令或者预先设 置得到 LTE***的带宽能力后, 对自身进行调整, 接入 LTE***。 调 整的方法可以有两种, 第一种: 判断自身具有的带宽能力是否高于等于 LTE***的带宽能, 如果是, 接入 LTE***, 否则, 则不接入 LTE系 统, 结束本流程。 第二种: 调整自身具有的带宽能力, 使自身具有的带 宽能力可以接入 LTE***。 The present invention can be applied to various application scenarios, and a specific embodiment will be described below. It is assumed that the minimum bandwidth of the frequency band used by the network side of the LTE system is 10 MHz, and the bandwidth of the common control channel is 5 MHz. After the terminal obtains the bandwidth capability of the LTE system through the system signaling broadcasted by the network side of the LTE system, the terminal adjusts itself and accesses the LTE. system. There are two methods for adjusting. The first one is to determine whether the bandwidth capability of the LTE system is higher than or equal to the bandwidth of the LTE system. If yes, access the LTE system. Otherwise, the LTE system is not connected, and the process ends. The second type: Adjust the bandwidth capability of the network, so that it has the bandwidth capability to access the LTE system.
本发明提出的具有不同带宽能力终端接入无线通信***的方法, 可 以使具有不同带宽能力的终端获得当前所在 LTE ***网络侧管辖区域 采用频带的带宽能力, 如最小带宽或 /和公共控制信道带宽, 从而根据自 身带宽能力确定是否能够接入 LTE***。 采用本发明的方法, 不仅可以 使 LTE***接入具有不同带宽能力的终端,满足具有各种带宽能力的终 端在 LTE***中通信, 而且可以明确 LTE***可以接入具有何种带宽 能力的终端,同时支持了不同带宽的 LTE***。采用本发明提供的方法, 由于可以指示公共控制信道, 如广播信道或同步信道占用的带宽, 使终 端调整接收公共控制信息, 如广播消息或同步信息的带宽, 利于终端正 确并方便的接收公共控制信息, 如广播消息或同步信息, 并且采用该方 法,可以使 LTE***灵活地在不同网络配置环境下调整公共控制信道如 广播信道或同步信道占用的带宽。 The method for accessing a wireless communication system with different bandwidth capabilities according to the present invention enables a terminal having different bandwidth capabilities to obtain the bandwidth capability of the frequency band used in the network side jurisdiction of the current LTE system, such as the minimum bandwidth or/and the common control channel bandwidth. Therefore, it is determined whether the LTE system can be accessed according to its own bandwidth capability. The method of the present invention can not only enable the LTE system to access terminals with different bandwidth capabilities, but also satisfy terminals with various bandwidth capabilities to communicate in the LTE system, and can also specify the terminal with which bandwidth capability the LTE system can access. At the same time, LTE systems with different bandwidths are supported. By adopting the method provided by the present invention, the terminal can adjust the bandwidth of the common control information, such as the broadcast message or the synchronization information, by indicating the bandwidth occupied by the common control channel, such as the broadcast channel or the synchronization channel, to facilitate the terminal to receive the public control correctly and conveniently. Information, such as broadcast messages or synchronization information, and with this method, the LTE system can flexibly adjust the bandwidth occupied by a common control channel such as a broadcast channel or a synchronization channel in different network configuration environments.
以上在 LTE ***中说明本发明进行具有不同带宽能力的终端接入 无线通信***的过程, 但是本发明并不限于 LTE***, 也可以采用其他 的***进行具有不同带宽能力的终端接入无线通信***的过程。
本发明实施例还提供了一种终端, 该终端除了现有技术存在的模块 外, 还具有通信模块、 解析模块, The foregoing describes the process for the terminal to access the wireless communication system with different bandwidth capabilities in the LTE system, but the present invention is not limited to the LTE system, and other systems may be used to perform terminal access wireless communication systems with different bandwidth capabilities. the process of. The embodiment of the invention further provides a terminal, which has a communication module and a parsing module in addition to the modules existing in the prior art.
其中,通信模块用于接收携带 LTE***采用频带所支持的最小带宽 或 /和公共控制信道带宽的***信令后, 发送给解析模块,解析模块才艮据 解析得到 LTE***采用频带所支持的最小带宽或 /和公共控制信道带宽, 调整自身的接收公共控制信道的带宽或判断出高于等于 LTE ***采用 频带所支持的最小带宽或 /和公共控制信道带宽后,通过通信模块与 LTE ***进行通信。 The communication module is configured to receive system signaling that carries the minimum bandwidth supported by the frequency band used by the LTE system or/and the common control channel bandwidth, and then sent to the parsing module, where the parsing module parses the minimum supported by the LTE system. Bandwidth or/and common control channel bandwidth, adjust the bandwidth of its own receiving common control channel or determine that it is higher than or equal to the minimum bandwidth supported by the LTE system band or/and the common control channel bandwidth, and then communicate with the LTE system through the communication module. .
本发明实施例还提供另一种终端, 该终端除了现有技术存在的模块 外, 还具有通信模块、 映射关系模块, 其中, The embodiment of the present invention further provides another terminal, which has a communication module and a mapping relationship module, in addition to the modules existing in the prior art, where
映射关系模块, 用于存储 LTE ***所采用各个频带的最小带宽或 / 和公共控制信道带宽的对应关系 , 根据对应关系将对应于终端当前接入 LTE ***所采用频带对应的最小带宽或 /和公共控制信道带宽发送给通 信模块; a mapping relationship module, configured to store a minimum bandwidth or/and a common control channel bandwidth of each frequency band used by the LTE system, and corresponding to a minimum bandwidth or/and a public frequency corresponding to a frequency band used by the terminal to access the LTE system according to the correspondence relationship The control channel bandwidth is sent to the communication module;
通信模块,用于采用映射模块发送的终端当前接入 LTE***所采用 频带对应的最小带宽或 /和公共控制信道带宽与 LTE ***网络侧进行通 信。 The communication module is configured to communicate with the network side of the LTE system by using the minimum bandwidth or/and the common control channel bandwidth corresponding to the frequency band used by the terminal currently connected to the LTE system sent by the mapping module.
本发明实施例还提供一种***, 该***包括 LTE网络侧和终端, 其 中,终端通过***信令或预先设置获取到当前所在 LTE网络侧管辖区域 所采用频带的最小带宽或 /和公共控制信道带宽,根据获取到的最小带宽 或 /和公共控制信道带宽对自身具有的带宽能力进行处理, 与 LTE *** 网络侧进行通信。 The embodiment of the present invention further provides a system, where the system includes an LTE network side and a terminal, where the terminal obtains a minimum bandwidth or/and a common control channel of a frequency band used by the current LTE network side jurisdiction area through system signaling or preset setting. The bandwidth is processed according to the obtained minimum bandwidth or/and the common control channel bandwidth, and communicates with the LTE system network side.
在***中, 应用的终端可以为本发明实施例提出的两种终端。 In the system, the terminal of the application may be two terminals proposed in the embodiments of the present invention.
本发明终端和***实施例采用 LTE***举例说明,但是本发明并不 限于 LTE***, 可以为其他的无线通信***。
以上所述的具体实施例, 对本发明的目的、 技术方案和有益效果进 行了进一步详细说明, 所应理解的是, 以上所述仅为本发明的具体实施 例而已, 并不用于限制本发明, 凡在本发明的精神和原则之内, 所做的 任何修改、 等同替换和改进等, 均应包含在本发明的保护范围之内。
The terminal and system embodiments of the present invention are exemplified by the LTE system, but the present invention is not limited to the LTE system, and may be other wireless communication systems. The above described specific embodiments of the present invention are described in detail, and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims
1、 一种具有不同带宽能力终端接入无线通信***的方法, 其特征 在于, 该方法包括: A method for accessing a wireless communication system with terminals having different bandwidth capabilities, the method comprising:
终端通过***信令或预先设置获取到当前所在无线通信***网絡 侧管辖区域所采用频带的带宽能力, 根据获取到的带宽能力接入无线通 信***。 The terminal acquires the bandwidth capability of the frequency band used in the jurisdiction of the network side of the current wireless communication system through system signaling or preset, and accesses the wireless communication system according to the acquired bandwidth capability.
2、 如权利要求 1 所述的方法, 其特征在于, 所述根据获取到的带 宽能力接入无线通信***的过程为:' 2. The method according to claim 1, wherein the process of accessing the wireless communication system according to the acquired bandwidth capability is:
终端判断自身具有的带宽能力是否高于等于获取到的带宽能力, 如 果是, 接入无线通信***, 通过无线通信***网络侧管辖区域所采用频 带进行通信。 The terminal determines whether the bandwidth capability of the terminal has a bandwidth capability higher than or equal to the acquired bandwidth capability. If yes, accessing the wireless communication system, the communication is performed by using a frequency band adopted by the network side jurisdiction of the wireless communication system.
3、 如权利要求 1 所述的方法, 其特征在于, 所述根据获取到的带 宽能力接入无线通信***的过程为: 终端调整自身具有的带宽能力高于 等于获取到的带宽能力, 接入无线通信***, 通过无线通信***网络侧 管辖区域所采用频带进行通信。 The method according to claim 1, wherein the process of accessing the wireless communication system according to the acquired bandwidth capability is: the terminal adjusts the bandwidth capability of the terminal to be higher than or equal to the acquired bandwidth capability, and accesses A wireless communication system communicates through a frequency band employed by a network side jurisdiction of a wireless communication system.
4、 如权利要求 1 所述的方法, 其特征在于, 所迷通过***信令获 取当前所在无线通信***网絡侧管辖区域所采用频带的带宽能力的过 程为: 4. The method according to claim 1, wherein the process of obtaining the bandwidth capability of the frequency band used by the network side jurisdiction of the currently located wireless communication system by system signaling is:
Al 1、 管辖终端当前所在区域的无线通信***网络侧预先设置各个 频带的带宽能力; Al 1. The network side of the wireless communication system in the area where the terminal is currently located is preset with the bandwidth capability of each frequency band;
A12、 管辖终端当前所在区域的无线通信***网络侧选择当前所采 用的频带, 并根据 All设置的对应关系确定所采用频带的带宽能力, 在 所管辖区域内通过***信令广播所采用频带的带宽能力; A12. The network side of the wireless communication system in the area where the terminal is currently located selects the currently used frequency band, and determines the bandwidth capability of the used frequency band according to the correspondence relationship set by All, and broadcasts the bandwidth of the used frequency band by system signaling in the jurisdiction area. ability;
A13、 终端接收到广播所采用频带的带宽能力。 A13. The terminal receives the bandwidth capability of the frequency band used by the broadcast.
5、 如权利要求 4所述的方法, 其特征在于, 步驟 A12所述***信
令所采用的带宽为无线通信***预先设置, 或者为无线通信***预先设 置小于等于所釆用频带的带宽能力。 5. The method of claim 4, wherein the system letter of step A12 The bandwidth used is preset for the wireless communication system, or the bandwidth capability of the wireless communication system is set to be less than or equal to the used frequency band.
6、 如权利要求 4所述的方法, 其特征在于, 步骤 A12所述所采用 频带的带宽能力对应于所采用频带进行广播。 The method according to claim 4, wherein the bandwidth capability of the frequency band used in step A12 is broadcast corresponding to the frequency band used.
7、 如权利要求 1 所述的方法, 其特征在于, 所述通过预先设置获 取当前所在无线通信***网络侧管辖区域所采用频带的带宽能力的过 程为: 7. The method according to claim 1, wherein the process of obtaining the bandwidth capability of the frequency band used by the network side jurisdiction of the currently located wireless communication system by presetting is:
A21、 管辖终端当前所在区域的网络侧和终端各自预先设置各个频 带的带宽能力; A21. The network side and the terminal of the area where the jurisdiction terminal is currently located each pre-set the bandwidth capability of each frequency band;
A22、终端获取到管辖终端当前所在区域的网络侧所采用的频带后, 根据 A21 设置的对应关系确定管辖终端当前所在区域的网络侧所采用 的频带的带宽能力。 A22. After obtaining the frequency band used by the network side of the area where the terminal is currently located, the terminal determines the bandwidth capability of the frequency band used by the network side of the area where the terminal is currently located according to the correspondence relationship set by A21.
8、 如权利要求 7 所述的方法, 其特征在于, 所述在管辖终端当前 所在区域的网络侧设置的各个频带的带宽能力和在终端设置的各个频 带的带宽能力相同。 8. The method according to claim 7, wherein the bandwidth capability of each frequency band set on the network side of the area in which the terminal is currently located is the same as the bandwidth capability of each frequency band set in the terminal.
9、 如权利要求 4或 7所述的方法, 其特征在于, 所述设置的各个 频带的带宽能力预先设置或者采用设定的默认值。 9. The method according to claim 4 or 7, characterized in that the set bandwidth capability of each frequency band is preset or adopts a set default value.
10、 如权利要求 1所述的方法, 其特征在于, 所述采用频带的带宽 能力为采用频带的最小带宽或 /和公共控制信道带宽; 其中,采用频带的 最小带宽为该频带最小占用带宽或该频带所支持终端具有的最小带宽 能力; 公共控制信道带宽为广播信道或同步信道占用的带宽。 The method according to claim 1, wherein the bandwidth capability of the frequency band is a minimum bandwidth of a frequency band or/and a common control channel bandwidth; wherein a minimum bandwidth of the frequency band is a minimum occupied bandwidth of the frequency band or The minimum bandwidth capability of the terminal supported by the frequency band; the common control channel bandwidth is the bandwidth occupied by the broadcast channel or the synchronization channel.
11、 一种设置广播信道的带宽的方法, 其特征在于, 该方法包括: 将无线通信***的广播信道的带宽设置为小于等于所采用频带的 最小带宽能力或小于等于所支持的最小带宽。 A method for setting a bandwidth of a broadcast channel, the method comprising: setting a bandwidth of a broadcast channel of the wireless communication system to be less than or equal to a minimum bandwidth capability of the used frequency band or less than or equal to a minimum supported bandwidth.
12、 如权利要求 11 所述的方法, 其特征在于, 无线通信***通过
所述广播信道将所釆用频带的带宽能力进行广播。 所述所采用频带的带 宽能力对应于所采用频带进行广播。 12. The method of claim 11 wherein the wireless communication system passes The broadcast channel broadcasts the bandwidth capabilities of the frequency band used. The bandwidth capability of the used frequency band corresponds to the frequency band used for broadcasting.
13、 一种具有不同带宽能力终端接入无线通信***的***, 其特征 在于, 该***包括: 无线通信***网络侧和终端, 其中, A system for accessing a wireless communication system with different bandwidth capabilities, wherein the system comprises: a network side and a terminal of a wireless communication system, wherein
终端通过***信令或预先设置获取到当前所在' LTE 网络侧管辖区 域所采用频带的带宽能力, 根据获取到的带宽能力与无线通信***网络 侧进行通信。 The terminal acquires the bandwidth capability of the frequency band used in the current LTE network side jurisdiction by system signaling or pre-setting, and communicates with the network side of the wireless communication system according to the acquired bandwidth capability.
14、 如权利要求 13 所述的***, 其特征在于, 所述带宽能力为最 小带宽或 /和公共控制信道带宽。 14. The system of claim 13 wherein the bandwidth capability is a minimum bandwidth or/and a common control channel bandwidth.
15、 一种具有不同带宽能力终端接入无线通信***的终端, 其特征 在于, 该终端包括通信模块和解析模块, 15. A terminal having a different bandwidth capability for terminal access to a wireless communication system, wherein the terminal comprises a communication module and a parsing module,
其中, 通信模块用于接收携带无线通信***采用频带所支持的最小 带宽或 /和公共控制信道带宽的***信令后, 发送给解析模块, 解析模块 根据解析得到无线通信***采用频带所支持的最小带宽或 /和公共控制 信道带宽, 调整自身的接收公共控制信道的带宽或判断出高于等于无线 通信***采用频带所支持的最小带宽或 /和公共控制信道带宽后,通过通 信模块与无线通信***进行通信。 The communication module is configured to receive the system signaling that carries the minimum bandwidth supported by the frequency band of the wireless communication system or/and the bandwidth of the common control channel, and then send the signal to the parsing module, and the parsing module obtains the minimum supported by the frequency band adopted by the wireless communication system according to the parsing. Bandwidth or/and common control channel bandwidth, adjusting the bandwidth of its own receiving common control channel or determining that it is higher than or equal to the minimum bandwidth supported by the frequency band adopted by the wireless communication system or/and the common control channel bandwidth, through the communication module and the wireless communication system Communicate.
16、 一种具有不同带宽能力终端接入无线通信***的终端, 其特征 在于, 该终端包括通信模块和映射关系模块, 其中, A terminal having a different bandwidth capability for accessing a wireless communication system, wherein the terminal comprises a communication module and a mapping relationship module, wherein
映射关系模块, 用于存储无线通信***所采用各个频带的最小带宽 或 /和公共控制信道带宽的对应关系,根据对应关系将对应于终端当前接 入无线通信***所采用频带对应的最小带宽或 /和公共控制信道带宽发 送给通信模块; a mapping relationship module, configured to store a minimum bandwidth of each frequency band used by the wireless communication system or a correspondence between a common control channel bandwidth, and corresponding to a minimum bandwidth corresponding to a frequency band used by the terminal to access the wireless communication system according to the correspondence relationship or And transmitting a common control channel bandwidth to the communication module;
通信模块, 用于采用映射模块发送的终端当前接入无线通信***所 采用频带对应的最小带宽或 /和公共控制信道带宽与无线通信***网络
侧进行通信。
a communication module, configured to use a mapping module to transmit a minimum bandwidth or/and a common control channel bandwidth corresponding to a frequency band used by a terminal to access a wireless communication system, and a wireless communication system network The side communicates.
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CN101772037B (en) * | 2008-12-26 | 2013-03-20 | 电信科学技术研究院 | Method and device for providing large transmission bandwidth for long-term evolution multi-carrier system |
CN103945427B (en) * | 2013-01-21 | 2018-02-06 | 中国电信股份有限公司 | The methods, devices and systems of change detection pattern in LTE system |
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