WO2014015515A1

WO2014015515A1 - Method and device for acquiring system message

Info

Publication number: WO2014015515A1
Application number: PCT/CN2012/079267
Authority: WO
Inventors: 柴丽; 时洁; 毕皓; 蔺波
Original assignee: 华为技术有限公司
Priority date: 2012-07-27
Filing date: 2012-07-27
Publication date: 2014-01-30
Also published as: CN108633000A; CN103703843A; CN103703843B

Abstract

A method and device for acquiring system message are provided in the embodiments of the present invention. On one aspect of the embodiments of the present invention, the available resources of a cell corresponding to the first transmission point are acquired by the first transmission point, so as to enable the first transmission point to use a specific signaling to transmit the system message update indication information and system message scheduling information to a terminal in the cell corresponding to the first transmission point on said available resources. Thus, the object that, the terminal is enabled to correctly receive system message transmitted by the first transmission point according to said system message update indication information and said system message scheduling information, is achieved.

Description

System message acquisition method and device

Technical field

The present application relates to communication technologies, and in particular, to a system message acquisition method and device. Background technique

In a wireless communication system, for example, a Heterogeneous Network (Hetnet) deployment scenario, more and more micro base stations are deployed on demand to a network that only has a macro base station to achieve full coverage. When system message update is required, The macro base station or the micro base station sends a paging (Paging) message to the terminal in its corresponding cell, and the paging system notifies the terminal system that the message is updated. After receiving the paging message, the terminal may obtain the updated system message from the corresponding macro base station or micro base station.

However, due to the multiplexing of time-frequency resources, the terminal in the cell corresponding to the micro base station may be interfered by the macro base station or other micro base station, or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, so that the interfered terminal The updated system message cannot be received correctly, resulting in a decrease in the reliability of system message acquisition. Summary of the invention

Aspects of the present application provide a system message acquisition method and apparatus for improving the reliability of system message acquisition.

An aspect of the present application provides a system message obtaining method, including:

Obtaining, by the first transmission point, available resources of a cell corresponding to the first transmission point;

And transmitting, by the first transmission point, the system message update indication information and the scheduling information of the system message to the terminal in the cell corresponding to the first transmission point by using dedicated signaling on the available resource.

The foregoing aspect, and any possible implementation manner, further provide an implementation manner, where the first transmission point obtains available resources, including:

And the first transmission point performs interference coordination with the second transmission point to determine the available resource; or the first transmission point obtains the available resource by using operation management and maintenance 0AM.

An aspect as described above and any possible implementation manner further provide an implementation manner, The system message update indication information includes one or a combination of the following:

First indication information for indicating a change of the system message;

Second indication information for indicating whether the earthquake and tsunami warning system information is changed;

Third indication information for indicating whether the commercial mobile alarm system information is changed;

The first indication information includes an indication of whether the system message is changed and/or an indication of whether the content of the message block of the system message is changed.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the dedicated signaling further includes a first parameter and/or a second parameter, where the first parameter includes the main message block in the MIB information. At least a portion of the parameters and/or parameters determined from the IVMB information, the second parameters including at least a portion of the first system message block S old 1 information.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the first parameter includes a cell bandwidth, a physical hybrid automatic repeat request indication channel PHICH configuration, a system frame number SFN, and antenna port information. at least one;

The second parameter includes at least one of a frequency bandwidth indication, a time division duplex TDD ratio, a maximum transmission power, a public land mobile network PLMN identity list, cell access information, and emergency service function indication information.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message includes:

All system message elements; or

Updated system message element; or

All system message elements of the specified message block of the system message; or

The updated system message element of the specified message block of the system message.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource is a first subframe, and the first transmission point is used by using dedicated signaling on the available resource. The terminal in the cell corresponding to the first transmission point sends the system message update indication information and the scheduling information of the system message, including:

And transmitting, by the first transmission point, the scheduling information of the physical downlink shared channel (PDSCH) to the terminal on the physical downlink control channel PDCCH of the first subframe, so that the terminal is configured according to the scheduling information of the PDSCH, Receiving the dedicated signaling on the PDSCH;

The first transmission point is located on the PDSCH according to scheduling information of the PDSCH The terminal transmits the dedicated signaling.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold. .

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource is a first physical resource block, and the first transmission point is used by using dedicated signaling on the available resource. The terminal sending the system message update indication information and the system message scheduling information in the cell corresponding to the first transmission point includes:

The first transmission point sends scheduling information of the PDSCH to the terminal on the enhanced physical downlink control channel (ePDCCH) of the first physical resource block, so that the terminal is in the PDSCH according to the scheduling information of the PDSCH. Receiving the dedicated signaling;

And transmitting, by the first transmission point, the dedicated signaling to the terminal on the PDSCH according to scheduling information of the PDSCH.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes interference lower than a second threshold. Physical resource block.

The foregoing aspect, and any possible implementation manner, further provide an implementation manner, where the first transmission point, on the available resource, uses dedicated signaling to a terminal in a cell corresponding to the first transmission point Before sending the system message update indication information and the scheduling information of the system message, the method further includes:

The first transmission point performs system message scheduling negotiation with the second transmission point, and obtains scheduling information of the system message of the cell corresponding to the first transmission point, where scheduling information of the system message is different from the foregoing The scheduling information of the system message of the cell corresponding to the second transmission point; or

Obtaining, by the OAM, the scheduling information of the system message of the cell corresponding to the first transmission point, where the scheduling information of the system message is different from the system message of the cell corresponding to the second transmission point Scheduling information.

Another aspect of the present application provides a system message obtaining method, including:

The terminal receives the system message update indication information sent by the first transmission point and the scheduling information of the system message, where the system message update indication information and the scheduling information of the system message are the first transmission point in the first The available resources of the cell corresponding to a transmission point are sent by dedicated signaling to The terminal;

The terminal receives the system message sent by the first transmission point according to the system message update indication information and the scheduling information of the system message.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information includes one or a combination of the following:

First indication information for indicating a change of the system message;

All system message elements; or

Updated system message element; or

The foregoing aspect, and any possible implementation manner, further provide an implementation manner, the available resource is a first subframe; the terminal receives system message update indication information sent by the first transmission point, and the Scheduling information for system messages, including:

Receiving, by the terminal, a scheduling of a physical downlink shared channel PDSCH sent by the first transmission point The scheduling information of the PDSCH is sent by the first transmission point to the terminal on a physical downlink control channel PDCCH of the first subframe;

The terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource is a first physical resource block, and the terminal receives the system message update indication information and the information sent by the first transmission point. The scheduling information of the system message includes:

The terminal receives the scheduling information of the PDSCH sent by the first transmission point, where the scheduling information of the PDSCH is sent by the first transmission point to the enhanced physical downlink control channel ePDCCH of the first physical resource block. Terminal

The first transmission point generates system message update indication information, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the first transmission point receives the scheduling information of the system message sent by the second transmission point;

The first transmission point sends the system message update indication information to a terminal in a cell corresponding to the first transmission point.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information is further used

Instructing to receive the system message sent by the first transmission point; or

Instructing to receive the system message sent by the second transmission point.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message includes: All system message elements; or

Updated system message element; or

First indication information for indicating a change of the system message;

The second transmission point obtains scheduling information of a system message of a cell corresponding to the first transmission point; and the second transmission point sends scheduling information of the system message.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the second transmission point obtains scheduling information of a system message of a cell corresponding to the first transmission point, and includes:

Receiving, by the second transmission point, scheduling information of the system message sent by the first transmission point; or

The second transmission point is obtained by the operation management and maintenance OAM, and the scheduling information of the system message is obtained. The foregoing aspect and any possible implementation manner further provide an implementation manner, where the system message includes:

All system message elements; or

Updated system message element; or

The terminal receives the system message update indication information sent by the first transmission point, where the system message update indication information is used to indicate that the terminal receives the scheduling information of the system message sent by the second transmission point; The terminal receives scheduling information of the system message sent by the second transmission point.

And the system message update indication information is further used to indicate that the system message sent by the first transmission point is received; After the scheduling information of the system message sent by the second transmission point, the method further includes:

Receiving, by the terminal, the system message sent by the first transmission point according to scheduling information of the system message; or

The system message update indication information is further configured to: receive the system message sent by the second transmission point; after receiving the scheduling information of the system message sent by the second transmission point, the terminal further includes:

The terminal receives the system message sent by the second transmission point according to the scheduling information of the system message.

All system message elements; or

Updated system message element; or

First indication information for indicating a change of the system message;

In another aspect of the present application, a transmission point is provided, including:

An obtaining unit, configured to obtain available resources of a cell corresponding to the transmission point, and transmit the available resources to a sending unit;

The sending unit is configured to send system message update indication information and scheduling information of the system message to the terminal in the cell corresponding to the transmission point by using dedicated signaling on the available resource. An aspect of the foregoing, and any possible implementation manner, further provide an implementation manner, where the obtaining unit is specifically used to

Interference coordination with the second transmission point to determine the available resources; or

The available resources are obtained through operation management maintenance OAM.

And the system message update indication information sent by the sending unit, including one or a combination of the following: the system message is used to indicate the system message, and the foregoing any one of the foregoing implementation manners. The first indication information of the change;

All system message elements; or

Updated system message element; or

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource obtained by the obtaining unit is a first subframe, and the sending unit is specifically configured to:

Transmitting the physical to the terminal on the physical downlink control channel PDCCH of the first subframe Scheduling information of the shared channel PDSCH, so that the terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH; and, according to the scheduling information of the PDSCH, on the PDSCH The terminal transmits the dedicated signaling.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource obtained by the obtaining unit is a first physical resource block, and the sending unit is specifically used to

And transmitting scheduling information of the PDSCH to the terminal on the enhanced physical downlink control channel (ePDCCH) of the first physical resource block, so that the terminal receives the dedicated message on the PDSCH according to the scheduling information of the PDSCH. And transmitting, according to the scheduling information of the PDSCH, the dedicated signaling to the terminal on the PDSCH.

The aspect as described above and any possible implementation manner further provide an implementation manner, where the obtaining unit is further used to

Performing system message scheduling negotiation with the second transmission point to obtain scheduling information of the system message of the cell corresponding to the transmission point, where the scheduling information of the system message is different from the system of the cell corresponding to the second transmission point The scheduling information of the message; or

The scheduling information of the system message of the cell corresponding to the transmission point is obtained by using the OAM, where the scheduling information of the system message is different from the scheduling information of the system message of the cell corresponding to the second transmission point.

In another aspect of the present application, a terminal is provided, including:

a receiving unit, configured to receive system message update indication information sent by the first transmission point, and scheduling information of the system message, where the system message update indication information and the scheduling information of the system message are the first transmission point Transmitting to the terminal by using dedicated signaling on the available resources of the cell corresponding to the first transmission point;

The receiving unit is further configured to update indication information and the system message according to the system message Scheduling information, receiving the system message sent by the first transmission point.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information received by the receiving unit includes one or a combination of the following: The first indication information of the change;

The foregoing aspect, and any possible implementation manner, further provide an implementation manner, where the dedicated signaling further includes a first parameter and/or a second parameter, where the first parameter includes the primary message block and the information At least a portion of the parameters and/or parameters determined from the IVMB information, the second parameters including at least a portion of the first system message block S old 1 information.

All system message elements; or

Updated system message element; or

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource is a first subframe, and the receiving unit is specifically configured to:

Receiving scheduling information of the physical downlink shared channel PDSCH sent by the first transmission point, where scheduling information of the PDSCH is sent by the first transmission point to the terminal on a physical downlink control channel PDCCH of the first subframe And receiving the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH. The foregoing aspect and any possible implementation manner further provide an implementation manner, where the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold. .

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the available resource is a first physical resource block, and the receiving unit is specifically configured to:

Receiving the scheduling information of the PDSCH sent by the first transmission point, where the scheduling information of the PDSCH is sent to the terminal by the first transmission point on the enhanced physical downlink control channel ePDCCH of the first physical resource block; And receiving, according to the scheduling information of the PDSCH, the dedicated signaling on the PDSCH.

a generating unit, configured to generate system message update indication information, and transmit the system message update indication information to a sending unit, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the transmission point receives the second transmission The scheduling information of the system message sent by the point;

The sending unit is configured to send the system message update indication information to a terminal in a cell corresponding to the transmission point.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information generated by the generating unit is further used to

Instructing to receive the system message sent by the transmission point; or

All system message elements; or

Updated system message element; or

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information generated by the generating unit includes one or a combination of the following: First indication information for indicating a change of the system message;

An obtaining unit, configured to obtain scheduling information of a system message of a cell corresponding to the first transmission point, and transmit scheduling information of the system message to the sending unit;

The sending unit is configured to send scheduling information of the system message.

An aspect of the foregoing, and any possible implementation manner, further provide an implementation manner, where the obtaining unit is specifically used to

Receiving scheduling information of the system message sent by the first transmission point; or

The OAM is obtained through operation management, and the scheduling information of the system message is obtained.

All system message elements; or

Updated system message element; or

a receiving unit, configured to receive system message update indication information sent by the first transmission point, where the system message update indication information is used to indicate that the terminal receives scheduling information of a system message sent by the second transmission point;

The receiving unit is further configured to receive scheduling information of the system message sent by the second transmission point.

And the system message update indication information received by the receiving unit is further used to indicate receiving the system message sent by the first transmission point, and the foregoing any one of the foregoing implementation manners. The receiving unit is also used for

Receiving, according to the scheduling information of the system message, the system message sent by the first transmission point; or The system message update indication information received by the receiving unit is further used to indicate receiving the system message sent by the second transmission point; the receiving unit is further configured to:

And receiving, according to the scheduling information of the system message, the system that is sent by the second transmission point, and the foregoing, and any possible implementation manner, further providing an implementation manner, where the system message includes:

All system message elements; or

Updated system message element; or

a processor, configured to obtain an available resource of a cell corresponding to the transmission point, and transmit the available resource to a transmitter;

The transmitter is configured to send system message update indication information and scheduling information of the system message to the terminal in the cell corresponding to the transmission point by using dedicated signaling on the available resource.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the processor is specifically used to

The available resources are obtained through operation management maintenance ΟΑΜ.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information sent by the sender includes one or a combination of the following: The first indication information of the change;

Second indication information for indicating whether the earthquake and tsunami warning system information is changed; Third indication information for indicating whether the commercial mobile alarm system information is changed; wherein the first indication information includes an indication of whether the system message is changed and/or an indication of whether a content of a message block of the system message is changed.

All system message elements; or

Updated system message element; or

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource obtained by the processor is a first subframe, and the transmitter is specifically used to

And transmitting scheduling information of the physical downlink shared channel (PDSCH) to the terminal on the physical downlink control channel PDCCH of the first subframe, so that the terminal receives the dedicated on the PDSCH according to the scheduling information of the PDSCH. Signaling; and transmitting the dedicated signaling to the terminal on the PDSCH according to scheduling information of the PDSCH.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the available resource obtained by the processor is a first physical resource block; And transmitting scheduling information of the PDSCH to the terminal on the enhanced physical downlink control channel (ePDCCH) of the first physical resource block, so that the terminal receives the dedicated message on the PDSCH according to the scheduling information of the PDSCH. And transmitting, according to the scheduling information of the PDSCH, the dedicated signaling to the terminal on the PDSCH.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the processor is further used to

a receiver, configured to receive system message update indication information sent by the first transmission point, and scheduling information of the system message, where the system message update indication information and the scheduling information of the system message are the first transmission point Transmitting to the terminal by using dedicated signaling on the available resources of the cell corresponding to the first transmission point;

The receiver is further configured to receive, according to the system message update indication information and the scheduling information of the system message, the system message sent by the first transmission point.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information received by the receiver includes one or a combination of the following: The first indication information of the change;

An aspect as described above and any possible implementation manner further provide an implementation manner, The dedicated signaling further includes a first parameter and/or a second parameter, the first parameter including a main message block

At least a portion of the parameters in the MIB information and/or parameters determined based on the IVMB information, the second parameter including at least a portion of the parameters of the first system message block S old 1 information.

All system message elements; or

Updated system message element; or

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the available resource is a first subframe, and the receiver is specifically configured to:

Receiving scheduling information of the physical downlink shared channel PDSCH sent by the first transmission point, where scheduling information of the PDSCH is sent by the first transmission point to the terminal on a physical downlink control channel PDCCH of the first subframe And receiving the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the available resource is a first physical resource block, and the receiver is specifically used to

Receiving the scheduling information of the PDSCH sent by the first transmission point, where the scheduling information of the PDSCH is sent to the terminal by the first transmission point on the enhanced physical downlink control channel ePDCCH of the first physical resource block; And receiving, according to the scheduling information of the PDSCH, the dedicated signaling on the PDSCH. The foregoing aspect and any possible implementation manner further provide an implementation manner, where the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes interference lower than a second threshold. Physical resource block.

a processor, configured to generate system message update indication information, and transmit the system message update indication information to a transmitter, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the transmission point receives the second transmission The scheduling information of the system message sent by the point;

The transmitter is configured to send the system message update indication information to a terminal in a cell corresponding to the transmission point.

The foregoing aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information generated by the processor is further used to

Instructing to receive the system message sent by the transmission point; or

All system message elements; or

Updated system message element; or

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the system message update indication information generated by the processor includes one or a combination of the following: The first indication information of the change;

a processor, configured to obtain scheduling information of a system message of a cell corresponding to the first transmission point, and transmit scheduling information of the system message to the transmitter;

The transmitter is configured to send scheduling information of the system message. The foregoing aspect and any possible implementation manner further provide an implementation manner, where the processor is specifically used to

All system message elements; or

Updated system message element; or

a receiver, configured to receive system message update indication information sent by the first transmission point, where the system message update indication information is used to indicate that the terminal receives scheduling information of a system message sent by the second transmission point;

The receiver is further configured to receive the scheduling information of the system message sent by the second transmission point, as described above, and any possible implementation manner, further providing an implementation manner, where the receiver receives The system message update indication information is further used to indicate receiving the system message sent by the first transmission point; the receiver is further configured to:

Receiving, by the scheduling information of the system message, the system message sent by the first transmission point; or

The system message update indication information received by the receiver is further used to indicate receiving the system message sent by the second transmission point; the receiver is further configured to:

And receiving, according to the scheduling information of the system message, the system message sent by the second transmission point.

All system message elements; or

Updated system message element; or

All system message elements of the specified message block of the system message; or The updated system message element of the specified message block of the system message.

According to the foregoing technical solution, an embodiment of the present application obtains, by using a first transmission point, an available resource of a cell corresponding to the first transmission point, so that the first transmission point passes the dedicated signaling on the available resource. And sending the system message update indication information and the scheduling information of the system message to the terminal in the cell corresponding to the first transmission point, so that the terminal can update the indication information according to the system message and the scheduling information of the system message, The purpose of correctly receiving the system message sent by the first transmission point is to prevent the terminal in the cell corresponding to the micro base station from being interfered by the macro base station or other micro base station due to the multiplexing of the time-frequency resources in the prior art. Or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, which improves the reliability of system message acquisition.

According to the foregoing technical solution, in another aspect of the embodiment of the present application, the system message update indication information is generated by using the first transmission point, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the first transmission point receives the first The scheduling information of the system message sent by the second transmission point, so that the first transmission point sends the system message update indication information to the terminal in the cell corresponding to the first transmission point, so that the terminal can be configured according to the The scheduling information of the system message, the purpose of correctly receiving the system message sent by the first transmission point, can avoid that the terminal in the cell corresponding to the base station in the prior art is affected by the macro base station or other due to multiplexing of time-frequency resources in the prior art. The interference of the base station or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, which improves the reliability of system message acquisition. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. The drawings are some embodiments of the present application, for those of ordinary skill in the art, Other drawings may also be obtained from these drawings without the inventive labor.

FIG. 1 is a schematic flowchart of a method for acquiring a system message according to an embodiment of the present disclosure; FIG. 2 is a schematic flowchart of a method for acquiring a system message according to another embodiment of the present disclosure; FIG. 4 is a schematic flowchart of a method for acquiring a system message according to another embodiment of the present disclosure; FIG. 5 is a schematic flowchart of a method for acquiring a system message according to another embodiment of the present application; A schematic structural diagram of a transmission point provided by an embodiment;

FIG. 7 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of a transmission point according to another embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of a transmission point according to another embodiment of the present application;

FIG. 10 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure;

FIG. 11 is a schematic structural diagram of a transmission point according to another embodiment of the present application;

FIG. 12 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure;

FIG. 13 is a schematic structural diagram of a transmission point according to another embodiment of the present disclosure;

FIG. 14 is a schematic structural diagram of a transmission point according to another embodiment of the present disclosure;

FIG. 15 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure. The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present application. The embodiments are part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present invention.

In a Heterogeneous Network (Hetnet) deployment scenario of a wireless communication system, one cell identifier may correspond to one transmission point (TP), or one cell identifier may correspond to multiple TPs, and each TP usually has a different Reference Signal (RS) resource. The TP may include a macro base station (Mac) and a micro base station. For example, the micro base station may be a micro base station (Micro), a pico base station (Pico), a remote radio head (RRH), and a relay device. (Relay) or a site such as a femto base station (Femto). The technical solution of the present application can be applied to various communication systems, for example, Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS) system, and code division multiple access. (Code Division Multiple Access, CDMA for short) system, CDMA2000 system, Wideband Code Division Multiple Access (WCDMA) system, Long Term Evolution (LTE) system or global microwave access interoperability (World Interoperability for Microwave Access, referred to as WiMAX) system.

The macro base station may be a base station (Base Transceiver Station, BTS for short) in a GSM system, a GPRS system or a CDMA system, or a base station (NodeB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node). B, referred to as eNB or eNodeB), may also be a network element such as an Access Service Network Base Station (ASN BS) in the WiMAX network.

In addition, the term "and/or" in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate: A exists separately, and A and B exist simultaneously. There are three cases of B alone. In addition, the character '7' in this paper generally means that the contextual object is an "or" relationship.

FIG. 1 is a schematic flowchart of a method for acquiring a system message according to an embodiment of the present disclosure, as shown in FIG. 1 .

101. The first transmission point obtains available resources of a cell corresponding to the first transmission point.

The interference of the terminal in the cell corresponding to the first transmission point on the available resource by the second transmission point is less than or equal to a preset threshold.

102. The first transmission point sends the system message update indication information and the scheduling information of the system message to the terminal in the cell corresponding to the first transmission point by using dedicated signaling on the available resource.

The first transmission point, that is, the victim transmission point, may be a micro base station, and the second transmission point, that is, the aggression transmission point, may be a macro base station.

Optionally, in a possible implementation manner of this embodiment, in 101, the first transmission point may specifically perform interference coordination with the second transmission point to determine the available resources.

Optionally, in a possible implementation manner of this embodiment, in the first transmission point, the first transmission point may obtain the available resource by using Operation Administration Maintenance (0AM). Optionally, in a possible implementation manner of the embodiment, the system message update indication information may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

a second indication information indicating whether the Earthquake Tsunami Warning System (ETWS) information is changed;

a third indication information indicating whether the Commercial Mobile Alert System (CMAS) information is changed;

Optionally, in a possible implementation manner of this embodiment, the dedicated signaling further includes a first parameter and/or a second parameter, where the first parameter includes a primary information block (MIB) At least a portion of the parameters in the information and/or parameters determined based on the IVMB information, the second parameter including at least a portion of the parameters of the first system message block (SIB1) information.

among them,

The first parameter includes at least one of a cell bandwidth, a Physical Hybrid ARQ Indicator Channel (PHICH) configuration, a System Frame Number (SFN), and antenna port information;

The second parameter includes a frequency bandwidth indication, a Time Division Duplex (TDD) ratio, a maximum transmit power, a Public Lands Mobile Network (PLMN) identifier list, a cell access information, and an emergency service function. At least one of the indication information.

Optionally, in a possible implementation manner of this embodiment, the system message may include but is not limited to:

All system message elements; or

Updated system message element; or

For example, the specified message block may be a Master Information Block (MIB), a first system message block (System Information Block 1 , S old 1), and a second system message block (System Information Block 2, SIB2). a combination of one or more. Optionally, in a possible implementation manner of the embodiment, the scheduling information of the system message may include, but is not limited to, one or a combination of the following: time domain information, frequency domain information, airspace information, and code domain information. .

The time domain information may include, but is not limited to, a transmission period, a transmission window size, a scheduling index number of the system message block mapping, subframe information, and slot information. The frequency domain information may include, but is not limited to, a location of the physical resource block. The spatial domain information may include, but is not limited to, information of the beam, information of the stream, and spatial coding matrix information; the code domain information may include, but is not limited to, an address code, a scrambling code, and a sequence initialization code.

Optionally, in a possible implementation manner of this embodiment, the available resource is a first subframe; and correspondingly, in 102, the first transmission point may be specifically in a physical state of the first subframe. The scheduling information of the Physical Downlink Shared Channel (PDSCH) is sent to the terminal on the downlink control channel (PDCCH), so that the terminal is in the PDSCH according to the scheduling information of the PDSCH. Receiving the dedicated signaling on the PD. The first transmission point may send the dedicated signaling to the terminal on the PDSCH according to the scheduling information of the PDSCH.

The first subframe is a low interference subframe, and the low interference subframe includes a subframe whose interference is lower than a first threshold.

Generally, the second transmission point, that is, the subframe of the aggressed cell corresponding to the aggression transmission point (for example, the macro base station) may include a normal subframe and an Almost Blank Subframe (abbreviated as ABS) subframe. The subframe boundary of the second transmission point is synchronized with the subframe boundary of the victim cell corresponding to the first transmission point, that is, the victim transmission point (for example, the micro base station). In this embodiment, the low-interference subframe (or the protected subframe, etc.) of the victim cell at the same time as the ABS subframe of the aggressed cell is not limited to the specific name in this embodiment. The subframe that infringes the transmission point receiving data and the transmission data is a normal subframe, and the normal subframe of the victim cell is located at the same time as the normal subframe of the aggressed cell, and is also referred to as a high interference subframe of the victim cell.

The reason for the formation of the low-interference subframe is not limited in this embodiment, as long as the terminal in the cell corresponding to the first transmission point is less interfered by the second transmission point in a specific subframe than the second subframe in the normal subframe. The interference of the transmission point, the specific subframe can be used as a low-interference subframe.

Optionally, in a possible implementation of the embodiment, the available resource is a first physical resource block; and correspondingly, in 102, the first transmission point may be specifically in the first physical resource The scheduling information of the PDSCH is sent to the terminal on the enhanced physical downlink control channel (ePDCCH) of the source block, so that the terminal receives the PDSCH on the PDSCH according to the scheduling information of the PDSCH. Dedicated signaling; Then, the first transmission point sends the dedicated signaling to the terminal on the PDSCH according to the scheduling information of the PDSCH.

The first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes a physical resource block with interference lower than a second threshold.

Optionally, in a possible implementation manner of the embodiment, before the 102, the first transmission point may further perform system message scheduling negotiation with the second transmission point, to obtain the first transmission point corresponding to The scheduling information of the system message of the cell is different from the scheduling information of the system message of the cell corresponding to the second transmission point, thereby implementing the first transmission point and the second The purpose of the negotiation of the transmission point of the transmission system message.

Specifically, the first transmission point may send a system message resource cross/negotiation request message to the second transmission point, where the system message resource cross/negotiation request message includes scheduling information of the system message, for example, time domain information. At least one of frequency domain information, airspace information, and code domain information.

The time domain information may include, but is not limited to, a transmission period, a transmission window size, a scheduling index number of a system message block map, synchronization information of a small interval (eg, a subframe offset value), subframe information, and slot information at least one. The frequency domain information may include, but is not limited to, the location of the physical resource block; the spatial domain information may include, but is not limited to, beam information, stream information, and spatial coding matrix information; the code domain information may include, but is not limited to, an address code, plus 4 Code and sequence initialization code.

Then, the second transmission point may adjust scheduling information of the system message of the cell corresponding to the second transmission point according to the scheduling information of the system message.

Then, the second transmission point sends a system message resource cross/negotiation response message to the first transmission point, where the system message resource cross/negotiation response message includes scheduling information of the system message of the cell corresponding to the second transmission point.

Optionally, the first transmission point may further send a system message resource cross/negotiation confirmation message to the second transmission point.

So far, the first transmission point obtains scheduling information of the system message of the cell corresponding to the first transmission point.

Optionally, in a possible implementation manner of this embodiment, before 102, the first The transmission point may further obtain the scheduling information of the system message of the cell corresponding to the first transmission point by using 0AM, where the scheduling information of the system message is different from the scheduling of the system message of the cell corresponding to the second transmission point. Information, thereby achieving the purpose of negotiating resources of the first transmission point and the transmission system message of the second transmission point.

In this embodiment, if the terminal in the cell corresponding to the first transmission point receives the dedicated signaling, the terminal also successfully receives the paging message and the first transmission sent by the cell corresponding to the first transmission point. If the system message of the cell corresponding to the first transmission point is used, the terminal in the cell corresponding to the first transmission point uses the information provided by the dedicated signaling to further acquire the system message of the cell; or the cell corresponding to the first transmission point. The terminal in the terminal uses the paging message sent by the cell corresponding to the first transmission point and the information content provided by the system message of the cell corresponding to the first transmission point; or uses the last received message content.

In this embodiment, the available resources of the cell corresponding to the first transmission point are obtained by using the first transmission point, so that the first transmission point corresponds to the first transmission point by using dedicated signaling on the available resource. The terminal in the cell sends the system message update indication information and the scheduling information of the system message, so that the terminal can correctly receive the first transmission point according to the system message update indication information and the scheduling information of the system message. The purpose of the transmitted system message is to prevent the terminal in the cell corresponding to the micro base station from being interfered by the macro base station or other micro base station due to the multiplexing of the time-frequency resources in the prior art, or in the cell corresponding to the macro base station. The terminal may be interfered by the micro base station, which improves the reliability of system message acquisition.

2 is a schematic flowchart of a method for acquiring a system message according to another embodiment of the present application, as shown in FIG.

2 is shown.

The terminal receives the system message update indication information sent by the first transmission point and the scheduling information of the system message, where the system message update indication information and the scheduling information of the system message are in the first transmission point. The available resources of the cell corresponding to the first transmission point are sent to the terminal by using dedicated signaling.

202. The terminal receives the system message sent by the first transmission point according to the system message update indication information and the scheduling information of the system message.

The first transmission point, that is, the victim transmission point, may be a micro base station, and the second transmission point is The aggression transmission point can be a macro base station.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

Used to indicate earthquake and tsunami warning systems (Earthquake Tsunami Warning System,

ETWS) second indication information of whether the information is changed;

among them,

The second parameter includes a frequency bandwidth indication, a time division duplex (Time Division Duplex,

TDD) at least one of a ratio, a maximum transmit power, a Public Lands Mobile Network (PLMN) identity list, cell access information, and emergency service function indication information.

All system message elements; or

Updated system message element; or

For example, the specified message block may be a Master Information Block (MIB), a System Information Block 1 (SIB1), and a second system. A combination of one or more of the message blocks (System Information Block 2, SIB2).

Optionally, in a possible implementation manner of the embodiment, the scheduling information of the system message may include, but is not limited to, one or a combination of the following: time domain information, frequency domain information, airspace information, and code domain information. .

Optionally, in a possible implementation manner of the embodiment, the available resource is a first subframe; correspondingly, in 201, the terminal may specifically receive the physical downlink sharing sent by the first transmission point. Scheduling information of a Physical Downlink Shared Channel (PDSCH), where the scheduling information of the PDSCH is sent to the first transmission point on a Physical Downlink Control Channel (PDCCH) of the first subframe. Said terminal; then, the terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH.

Optionally, in a possible implementation manner of this embodiment, the available resource is a first object. Correspondingly, in 201, the terminal may specifically receive scheduling information of a PDSCH sent by the first transmission point, where scheduling information of the PDSCH is the first transmission point in the first physical resource The enhanced physical downlink control channel (ePDCCH) of the block is sent to the terminal; and then the terminal may receive the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH. .

In this embodiment, the terminal receives the system message update indication information sent by the first transmission point and the scheduling information of the system message, where the system message update indication information and the scheduling information of the system message are the first The transmission point is sent to the terminal by using dedicated signaling on the available resources of the cell corresponding to the first transmission point, so that the terminal can receive the indication information according to the system message and the scheduling information of the system message, and receive the location. Determining, by the first transmission point, the system message, so that the terminal can correctly receive the system message sent by the first transmission point according to the system message update indication information and the scheduling information of the system message. The terminal in the cell corresponding to the micro base station may be interfered by the macro base station or other micro base station, or the terminal in the cell corresponding to the macro base station may be affected by the micro base station by using the multiplexing of the time-frequency resources in the prior art. The problem of interference improves the reliability of system message acquisition.

FIG. 3 is a schematic flowchart of a method for acquiring a system message according to another embodiment of the present application, as shown in FIG.

3 is shown.

301. The first transmission point generates system message update indication information, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the first transmission point receives the scheduling information of the system message sent by the second transmission point.

302. The first transmission point sends the system to a terminal in a cell corresponding to the first transmission point. The system updates the indication information.

Optionally, in a possible implementation manner of the embodiment, the scheduling information of the system message may include, but is not limited to, at least one of time domain information, frequency domain information, airspace information, and code domain information.

The time domain information may include, but is not limited to, a transmission period, a transmission window size, a scheduling index number of a system message block map, synchronization information of a small interval (eg, a subframe offset value), subframe information, and slot information at least one. The frequency domain information may include, but is not limited to, the location of the physical resource block; the spatial domain information may include, but is not limited to, information of the beam, information of the stream, and spatial coding matrix information; the code domain information may include, but is not limited to, an address code, a scrambling code And sequence initialization code.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information may further indicate that the system message sent by the first transmission point is received. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the first transmission point.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information may be further used to indicate receiving the system message sent by the second transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the second transmission point.

First indication information for indicating a change of the system message;

Optionally, in a possible implementation manner of this embodiment, the system message may include, but is not limited to: All system message elements; or

Updated system message element; or

For example, the specified message block may be a main message block (Master Information Block,

MIB), a combination of one or more of the first system message block (System Information Block 1, S old 1) and the second system information block (System Information Block 2, SIB2).

In this embodiment, the system message update indication information is generated by using the first transmission point, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the first transmission point receives the scheduling of the system message sent by the second transmission point. Transmitting, by the first transmission point, the system message update indication information to a terminal in a cell corresponding to the first transmission point, so that the terminal can correctly receive the information according to the scheduling information of the system message. The purpose of the system message sent by the first transmission point is to prevent the terminal in the cell corresponding to the 敖 base station from being interfered by the macro base station or other micro base station due to the multiplexing of the time-frequency resources in the prior art, or the macro base station The terminal in the corresponding cell may be interfered by the micro base station, which improves the reliability of system message acquisition.

FIG. 4 is a schematic flowchart of a method for acquiring a system message according to another embodiment of the present application, as shown in FIG. 4 .

401. The second transmission point obtains scheduling information of a system message of a cell corresponding to the first transmission point.

402. The second transmission point sends scheduling information of the system message.

Correspondingly, the terminal may specifically receive the system message according to the received first transmission point. And updating the indication information, and receiving scheduling information of the system message sent by the second transmission point.

First indication information for indicating a change of the system message;

All system message elements; or

Updated system message element; or

Optionally, in a possible implementation manner of this embodiment, in 401, the second transmission point may specifically receive scheduling information of the system message sent by the first transmission point.

Optionally, in a possible implementation manner of this embodiment, in 401, the second pass The transmission point may specifically obtain scheduling information of the system message through OAM.

In this embodiment, the scheduling information of the system message of the cell corresponding to the first transmission point is obtained by using the second transmission point, so that the second transmission point can send the scheduling information of the system message, thereby achieving that the terminal can be configured according to the The scheduling information of the system message, the purpose of correctly receiving the system message sent by the first transmission point, can avoid that the terminal in the cell corresponding to the micro base station in the prior art is affected by the multiplexing of time-frequency resources. The interference of the station or other micro base station, or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, which improves the reliability of system message acquisition.

FIG. 5 is a schematic flowchart of a method for acquiring a system message according to another embodiment of the present application, as shown in FIG. 5.

501: The terminal receives the system message update indication information sent by the first transmission point, where the system message update indication information is used to indicate that the terminal receives the scheduling message of the system message sent by the second transmission point.

502. The terminal receives scheduling information of the system message sent by the second transmission point. The first transmission point, that is, the victim transmission point, may be a micro base station, and the second transmission point, that is, the aggression transmission point, may be a macro base station.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information may further indicate that the system message sent by the first transmission point is received. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the first transmission point. Correspondingly, after the 502, the terminal may further receive the system message sent by the first transmission point according to the scheduling information of the system message.

Optionally, in a possible implementation manner of this embodiment, the system message update indication The information may further be used to indicate receipt of the system message sent by the second transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the second transmission point. Correspondingly, after the 502, the terminal may further receive the system message sent by the second transmission point according to the scheduling information of the system message.

First indication information for indicating a change of the system message;

All system message elements; or

Updated system message element; or

In this embodiment, the terminal receives the system message update indication information sent by the first transmission point, where the system message update indication information is used to indicate that the terminal receives the scheduling information of the system message sent by the second transmission point, so that the terminal The scheduling information of the system message sent by the second transmission point can be received, thereby achieving the purpose that the terminal can correctly receive the system message sent by the first transmission point according to the scheduling information of the system message, and can In the prior art, the terminal in the cell corresponding to the micro base station may be interfered by the macro base station or other micro base station, or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station. The problem is to improve the reliability of system message acquisition. Another embodiment of the present application may further provide another system message obtaining method. First, the first transmission point may send a system message resource cross/negotiation request message to the second transmission point, where the system message resource cross/negotiation request message is used. Scheduling information including the system message, for example, at least one of time domain information, frequency domain information, airspace information, and code domain information.

Then, the second transmission point may adjust scheduling information of the system message of the cell corresponding to the second transmission point according to the scheduling information of the system message. For example, when the first transmission point sends the system message of the cell corresponding to the first transmission point, the second transmission point does not send the system message of the cell corresponding to the second transmission point.

At this point, the first transmission point may normally send the system message of the cell corresponding to the first transmission point according to the scheduling information of the system message of the cell corresponding to the first transmission point, thereby achieving that the terminal can be based on The scheduling information of the system message, the purpose of correctly receiving the system message sent by the first transmission point, can avoid that the terminal in the cell corresponding to the micro base station in the prior art is affected by the multiplexing of time-frequency resources. The interference of the station or other micro base station, or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, which improves the reliability of system message acquisition.

It should be noted that, for the foregoing method embodiments, for the sake of brevity, they are all described as a series of action combinations, but those skilled in the art should understand that the present application is not limited by the described action sequence. Because in accordance with the present application, certain steps may be performed in other orders or concurrently. In addition, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present application. In the above embodiments, the descriptions of the various embodiments are different, and the parts that are not detailed in an embodiment can be referred to the related descriptions of other embodiments.

FIG. 6 is a schematic structural diagram of a transmission point according to another embodiment of the present application. As shown in FIG. 6, the transmission point of this embodiment may include an obtaining unit 61 and a sending unit 62. The obtaining unit 61 is configured to obtain the available resources of the cell corresponding to the transmission point, and transmit the available resource to the sending unit 62. The sending unit 62 is configured to use the dedicated message on the available resource. And causing the terminal in the cell corresponding to the transmission point to send system message update indication information and scheduling information of the system message.

The terminal in the cell corresponding to the transmission point is subjected to the interference d of the second transmission point on the available resource, or equal to a preset threshold.

The transmission point, that is, the victim transmission point, may be a micro base station, and the second transmission point, that is, the aggression transmission point, may be a macro base station.

Optionally, in a possible implementation manner of the embodiment, the obtaining unit 61 may perform interference coordination with the second transmission point to determine the available resources.

Optionally, in a possible implementation manner of the embodiment, the obtaining unit 61 may obtain the available resource by using OAM.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information sent by the sending unit 62 may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

among them,

The first parameter includes a cell bandwidth and a physical hybrid automatic repeat request indication channel (Physical Hybrid ARQ Indicator Channel, PHICH) at least one of a configuration, a system frame number (SFN), and antenna port information;

All system message elements; or

Updated system message element; or

For example, the specified message block may be a Master Information Block (MIB), a first system message block (System Information Block 1 , S Old 1), and a second System Message Block 2 (SIB2). a combination of one or more.

Optionally, in a possible implementation manner of the embodiment, the available resource obtained by the obtaining unit 61 is a first subframe; correspondingly, the sending unit 62 may be specifically in the first subframe. The scheduling information of the PDSCH is sent to the terminal on the PDCCH, so that the terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH; and according to the scheduling information of the PDSCH, in the The dedicated signaling is sent to the terminal on the PDSCH.

Optionally, in a possible implementation manner of the embodiment, the obtained by the obtaining unit 61 The available resource is a first physical resource block; correspondingly, the sending unit 62 may send the scheduling information of the PDSCH to the terminal on the ePDCCH of the first physical resource block, so that the terminal is configured according to the Scheduling information of the PDSCH, the dedicated signaling is received on the PDSCH; and the dedicated signaling is sent to the terminal on the PDSCH according to the scheduling information of the PDSCH.

Optionally, in a possible implementation manner of the embodiment, the obtaining unit 61 may further perform system message scheduling negotiation with the second transmission point to obtain the system message of the cell corresponding to the transmission point. The scheduling information of the system message is different from the scheduling information of the system message of the cell corresponding to the second transmission point, thereby implementing resources of the transmission system message of the transmission point and the second transmission point. The purpose of the consultation.

Optionally, in a possible implementation manner of the embodiment, the obtaining unit 61 may further obtain, by using OAM, scheduling information of the system message of a cell corresponding to the transmission point, and scheduling the system message. The information is different from the scheduling information of the system message of the cell corresponding to the second transmission point, thereby achieving the purpose of negotiating the resource of the transmission system message of the transmission point and the second transmission point.

In this embodiment, the transmission point obtains the available resources of the cell corresponding to the transmission point by using the obtaining unit, so that the sending unit sends a system message to the terminal in the cell corresponding to the transmission point by using dedicated signaling on the available resource. Updating the indication information and the scheduling information of the system message, so that the terminal can correctly receive the system message sent by the transmission point according to the system message update indication information and the scheduling information of the system message, and can avoid the present In the prior art, the terminal in the cell corresponding to the micro base station may be interfered by the macro base station or other micro base stations, or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station. Improve the reliability of system message acquisition.

FIG. 7 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure. As shown in FIG. 7, the terminal in this embodiment may include a receiving unit 71, configured to receive system message update indication information sent by the first transmission point, and The scheduling information of the system message, the system message update indication information, and the scheduling information of the system message are sent by the first transmission point to the available resources of the cell corresponding to the first transmission point by using dedicated signaling. The receiving unit 71 is further configured to perform according to the The system message update indication information and the scheduling information of the system message receive the system message sent by the first transmission point.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiving unit 71 may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

among them,

The first parameter includes a cell bandwidth and a physical hybrid automatic repeat request indication channel (Physical

Hybrid ARQ Indicator Channel, PHICH) at least one of a configuration, a system frame number (SFN), and antenna port information;

All system message elements; or

Updated system message element; or

Optionally, in a possible implementation manner of the embodiment, the available resource is a first subframe; correspondingly, the receiving unit 71 may specifically receive scheduling information of a PDSCH sent by the first transmission point, where The scheduling information of the PDSCH is that the first transmission point is sent to the terminal on a PDCCH of the first subframe; and the dedicated signaling is received on the PDSCH according to scheduling information of the PDSCH.

Optionally, in a possible implementation manner of the embodiment, the available resource is a first physical resource block; correspondingly, the receiving unit 71 may specifically receive scheduling information of the PDSCH sent by the first transmission point. And the scheduling information of the PDSCH is sent by the first transmission point to the terminal on an ePDCCH of the first physical resource block; and receiving, according to the scheduling information of the PDSCH, the dedicated message on the PDSCH make.

In this embodiment, the terminal receives the system message update indication information sent by the first transmission point and the scheduling information of the system message by using the receiving unit, where the system message update indication information and the scheduling information of the system message are Transmitting, by the dedicated signaling, the first transmission point to the terminal on the available resources of the cell corresponding to the first transmission point, so that the receiving unit can be according to the system Receiving, by the message update indication information and the scheduling information of the system message, the system message sent by the first transmission point, so that the terminal can update the indication information according to the system message and the scheduling information of the system message. The purpose of correctly receiving the system message sent by the first transmission point is to prevent the terminal in the cell corresponding to the micro base station from being interfered by the macro base station or other micro base station due to the multiplexing of the time-frequency resources in the prior art. The problem that the terminal in the cell corresponding to the macro base station is interfered by the micro base station improves the reliability of system message acquisition.

FIG. 8 is a schematic structural diagram of a transmission point according to another embodiment of the present application. As shown in FIG. 8, the transmission point of this embodiment may include a generating unit 81 and a sending unit 82. The generating unit 81 is configured to generate system message update indication information, and transmit the system message update indication information to the sending unit 82, where the system message update indication information is used to indicate the terminal in the cell corresponding to the transmission point. Receiving scheduling information of a system message sent by the second transmission point; the sending unit 82, configured to send the system message update indication information to a terminal in a cell corresponding to the transmission point.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information generated by the generating unit 81 may further indicate that the system message sent by the transmission point is received. Then, at this time, the scheduling information of the system message may indicate the resource information used by the system message sent by the transmission point.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information generated by the generating unit 81 may further indicate receiving the system message sent by the second transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the second transmission point. Optionally, in a possible implementation manner of this embodiment, the system message may include, but is not limited to:

All system message elements; or

Updated system message element; or

For example, the specified message block may be a Master Information Block (MIB), a First System Message Block (S Old 1), and a System Information Block 2 (SIB2). a combination of one or more. Optionally, in a possible implementation manner of the embodiment, the system message update indication information generated by the generating unit 81 may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

In this embodiment, the transmission point generates the system message update indication information by using the generating unit, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the transmission point receives the scheduling information of the system message sent by the second transmission point, And causing the sending unit to send the system message update indication information to the terminal in the cell corresponding to the transmission point, so that the terminal can correctly receive the system message sent by the transmission point according to the scheduling information of the system message. The purpose is to prevent the terminal in the cell corresponding to the micro base station from being interfered by the macro base station or other micro base stations due to the multiplexing of the time-frequency resources in the prior art, or the terminal in the cell corresponding to the macro base station may be affected by the micro base station. The problem of interference increases the reliability of system message acquisition.

FIG. 9 is a schematic structural diagram of a transmission point according to another embodiment of the present disclosure. As shown in FIG. 9, the transmission point of this embodiment may include an obtaining unit 91 and a sending unit 92. The obtaining unit 91 is configured to obtain scheduling information of a system message of a cell corresponding to the first transmission point, and transmit scheduling information of the system message to the sending unit, where the sending unit 92 is configured to send the system message. Scheduling information.

The first transmission point, that is, the victim transmission point, may be a micro base station, and the transmission point is infringement The transmission point can be a macro base station.

Correspondingly, the terminal may receive, according to the received system message update indication information sent by the first transmission point, the scheduling information of the system message sent by the transmission point.

Optionally, in a possible implementation manner of this embodiment, the system message update indication information may be further used to indicate that the system message sent by the transmission point is received. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the transmission point.

First indication information for indicating a change of the system message;

Updated system message element; or

Optionally, in a possible implementation manner of the embodiment, the obtaining unit 91 may specifically receive scheduling information of the system message sent by the first transmission point.

Optionally, in a possible implementation manner of the embodiment, the obtaining unit 91 may obtain scheduling information of the system message by using 0AM.

In this embodiment, the transmission point obtains the scheduling information of the system message of the cell corresponding to the first transmission point by using the obtaining unit, so that the sending unit can send the scheduling information of the system message, thereby achieving that the terminal can according to the system message. The scheduling information, the purpose of correctly receiving the system message sent by the first transmission point, can avoid that the terminal in the cell corresponding to the micro base station in the prior art is affected by the macro base station or other micro in the prior art due to the multiplexing of the time-frequency resources. The interference of the base station or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, which improves the reliability of system message acquisition.

FIG. 10 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure. As shown in FIG. 10, the terminal in this embodiment may include a receiving unit 1001, configured to receive system message update indication information sent by a first transmission point, where The system message update indication information is used to indicate that the terminal receives the scheduling information of the system message sent by the second transmission point, and the receiving unit 1001 is further configured to receive the scheduling information of the system message sent by the second transmission point.

The time domain information may include, but is not limited to, a transmission period, a transmission window size, a scheduling index number of a system message block map, synchronization information of a small interval (eg, a subframe offset value), subframe information, and At least one time slot information; the frequency domain information may include, but is not limited to, a location of a physical resource block; the spatial domain information may include, but is not limited to, information of a beam, information of a stream, and spatial coding matrix information; the code domain information may include but is not limited to an address. Code, scrambling code and sequence initialization code.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiving unit 1001 may further indicate that the system message sent by the first transmission point is received. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the first transmission point. Correspondingly, the receiving unit 1001 may further receive the system message sent by the first transmission point according to the scheduling information of the system message.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiving unit 1001 may further indicate receiving the system message sent by the second transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the second transmission point. Correspondingly, the receiving unit 1001 may further receive the system message sent by the second transmission point according to the scheduling information of the system message.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiving unit 1001 may include, but is not limited to, one or a combination of the following: The first indication information of the change;

All system message elements; or

Updated system message element; or

The updated system message element of the specified message block of the system message. For example, the specified message block may be a Master Information Block (MIB), a first system message block (System Information Block 1 , S old 1), and a second system message block (System Information Block 2, SIB2). a combination of one or more.

In this embodiment, the terminal receives the system message update indication information sent by the first transmission point by using the receiving unit, where the system message update indication information is used to indicate that the terminal receives the scheduling information of the system message sent by the second transmission point, so that the terminal Receiving, by the receiving unit, the scheduling information of the system message sent by the second transmission point, so that the terminal can correctly receive the system message sent by the first transmission point according to the scheduling information of the system message. The purpose is to prevent the terminal in the cell corresponding to the micro base station from being interfered by the macro base station or other micro base stations due to the multiplexing of the time-frequency resources in the prior art, or the terminal in the cell corresponding to the macro base station may be affected by the micro base station. The problem of interference increases the reliability of system message acquisition.

FIG. 11 is a schematic structural diagram of a transmission point according to another embodiment of the present application. As shown in FIG. 11, the transmission point of this embodiment may include a processor 1101 and a transmitter 1102. The processor 1101 is configured to obtain the available resources of the cell corresponding to the transmission point, and transmit the available resource to the transmitter 1102. The transmitter 1102 is configured to use the dedicated message on the available resource. And causing the terminal in the cell corresponding to the transmission point to send system message update indication information and scheduling information of the system message.

Optionally, in a possible implementation manner of the embodiment, the processor 1101 may perform interference coordination with the second transmission point to determine the available resources.

Optionally, in a possible implementation manner of the embodiment, the processor 1101 may obtain the available resource by using 0AM.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information sent by the sender 1102 may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

Third indication information for indicating whether the commercial mobile alarm system information is changed; The first indication information includes an indication of whether the system message is changed and/or an indication of whether the content of the message block of the system message is changed.

among them,

All system message elements; or

Updated system message element; or

The time domain information may include, but is not limited to, a transmission period, a transmission window size, a scheduling index number of the system message block mapping, subframe information, and slot information. The frequency domain information may include, but is not limited to, a location of the physical resource block. The airspace information may include, but is not limited to, beam information, stream information, and spatial coding matrix information; the code domain information may include, but is not limited to, an address code, a scrambling code, and a sequence initial. Initialization code.

Optionally, in a possible implementation manner of the embodiment, the available resource obtained by the processor 1101 is a first subframe; correspondingly, the transmitter 1102 may be specifically in the first subframe. The scheduling information of the PDSCH is sent to the terminal on the PDCCH, so that the terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH; and according to the scheduling information of the PDSCH, in the The dedicated signaling is sent to the terminal on the PDSCH.

Optionally, in a possible implementation manner of the embodiment, the available resource obtained by the processor 1101 is a first physical resource block; correspondingly, the transmitter 1102 may be specifically configured by the first physical The scheduling information of the PDSCH is sent to the terminal on the ePDCCH of the resource block, so that the terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH; and according to the scheduling information of the PDSCH, The dedicated signaling is sent to the terminal on the PDSCH.

Optionally, in a possible implementation manner of the embodiment, the processor 1101 may further perform system message scheduling negotiation with the second transmission point to obtain the system message of the cell corresponding to the transmission point. The scheduling information of the system message is different from the scheduling information of the system message of the cell corresponding to the second transmission point, thereby implementing resources of the transmission system message of the transmission point and the second transmission point. The purpose of the consultation.

Optionally, in a possible implementation manner of the embodiment, the processor 1101 may further obtain, by using OAM, scheduling information of the system message of a cell corresponding to the transmission point, and scheduling the system message. The information is different from the scheduling information of the system message of the cell corresponding to the second transmission point, thereby achieving the purpose of negotiating the resource of the transmission system message of the transmission point and the second transmission point.

In this embodiment, the transmission point obtains the available resources of the cell corresponding to the transmission point by using the processor, so that the transmitter sends the system message to the terminal in the cell corresponding to the transmission point by using dedicated signaling on the available resource. Updating the indication information and the scheduling information of the system message, thereby achieving the end The terminal can correctly receive the system message sent by the transmission point according to the system message update indication information and the scheduling information of the system message, and can avoid the micro base station caused by multiplexing of time-frequency resources in the prior art. The terminal in the corresponding cell may be interfered by the macro base station or other micro base stations, or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, which improves the reliability of system message acquisition.

FIG. 12 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure. As shown in FIG. 12, the terminal in this embodiment may include a receiver 1201, configured to receive system message update indication information sent by the first transmission point, and The scheduling information of the system message, the system message update indication information, and the scheduling information of the system message are sent by the first transmission point to the available resources of the cell corresponding to the first transmission point by using dedicated signaling. The receiver 1201 is further configured to receive, according to the system message update indication information and the scheduling information of the system message, the system message sent by the first transmission point.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiver 1201 may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

among them,

All system message elements; or

Updated system message element; or

Optionally, in a possible implementation manner of the embodiment, the available resource is a first subframe, and the receiver 1201 may receive the scheduling information of the PDSCH sent by the first transmission point. The scheduling information of the PDSCH is that the first transmission point is sent to the terminal on a PDCCH of the first subframe; and the dedicated signaling is received on the PDSCH according to scheduling information of the PDSCH.

Optionally, in a possible implementation manner of this embodiment, the available resource is a first object. Correspondingly, the receiver 1201 may specifically receive the sending by the first transmission point.

Scheduling information of the PDSCH, the scheduling information of the PDSCH is sent by the first transmission point to the terminal on an ePDCCH of the first physical resource block; and received on the PDSCH according to scheduling information of the PDSCH The dedicated signaling.

In this embodiment, the terminal receives the system message update indication information sent by the first transmission point and the scheduling information of the system message by using a receiver, where the system message update indication information and the scheduling information of the system message are The first transmission point is sent to the terminal by using dedicated signaling on the available resources of the cell corresponding to the first transmission point, so that the receiver can update the indication information and the scheduling information of the system message according to the system message. Receiving the system message sent by the first transmission point, so that the terminal can correctly receive the system sent by the first transmission point according to the system message update indication information and the scheduling information of the system message. For the purpose of the message, it is possible to prevent the terminal in the cell corresponding to the micro base station from being interfered by the macro base station or other micro base station due to the multiplexing of the time-frequency resources in the prior art, or the terminal in the cell corresponding to the macro base station is subject to The problem of interference of the micro base station improves the reliability of system message acquisition.

FIG. 13 is a schematic structural diagram of a transmission point according to another embodiment of the present disclosure. As shown in FIG. 13, the transmission point of this embodiment may include a processor 1301 and a transmitter 1302. The processor 1301 is configured to generate system message update indication information, and transmit the system message update indication information to the transmitter 1302, where the system message update indication information is used to indicate a terminal in a cell corresponding to the transmission point. Receiving scheduling information of a system message sent by the second transmission point; the sender 1302, configured to send the system message update indication information to a terminal in a cell corresponding to the transmission point.

The time domain information may include, but is not limited to, a transmission period, a transmission window size, a scheduling index number of a system message block map, synchronization information of a small interval (eg, a subframe offset value), subframe information, and slot information at least one. The frequency domain information may include, but is not limited to, the location of the physical resource block; Information may include, but is not limited to, beam information, stream information, and spatial coding matrix information; code domain information may include, but is not limited to, an address code, a scrambling code, and a sequence initialization code.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information generated by the processor 1301 may further indicate receiving the system message sent by the transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the transmission point.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information generated by the processor 1301 may further indicate receiving the system message sent by the second transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the second transmission point.

All system message elements; or

Updated system message element; or

For example, the specified message block may be a Master Information Block (MIB), a First System Message Block (S Old 1), and a System Information Block 2 (SIB2). a combination of one or more. Optionally, in a possible implementation manner of the embodiment, the system message update indication information generated by the processor 1301 may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

In this embodiment, the transmission point generates system message update indication information by using a processor, where the system message update indication information is used to indicate that the terminal in the cell corresponding to the transmission point receives the scheduling information of the system message sent by the second transmission point, And causing the sender to send the system message update indication information to the terminal in the cell corresponding to the transmission point, so that the terminal can be configured according to the system For the purpose of correctly receiving the system message sent by the transmission point, the terminal in the cell corresponding to the micro base station may be affected by the macro base station or other micro base station due to multiplexing of time-frequency resources in the prior art. The interference, or the problem that the terminal in the cell corresponding to the macro base station is interfered by the micro base station, improves the reliability of system message acquisition.

FIG. 14 is a schematic structural diagram of a transmission point according to another embodiment of the present disclosure. As shown in FIG. 14, the transmission point of this embodiment may include a processor 1401 and a transmitter 1402. The processor 1401 is configured to obtain scheduling information of a system message of a cell corresponding to the first transmission point, and transmit scheduling information of the system message to the transmitter, where the transmitter 1402 is configured to send the system message. Scheduling information.

The first transmission point, that is, the victim transmission point, may be a micro base station, and the transmission point, that is, the aggression transmission point, may be a macro base station.

Optionally, in a possible implementation manner of this embodiment, the system message update indication Information may include, but is not limited to, one or more of the following combinations:

First indication information for indicating a change of the system message;

All system message elements; or

Updated system message element; or

Optionally, in a possible implementation manner of the embodiment, the processor 1401 may specifically receive scheduling information of the system message sent by the first transmission point.

Optionally, in a possible implementation manner of the embodiment, the processor 1401 may obtain scheduling information of the system message by using 0AM.

In this embodiment, the transmission point obtains scheduling information of the system message of the cell corresponding to the first transmission point by using the processor, so that the transmitter can send the scheduling information of the system message, so that the terminal can be configured according to the system message. The scheduling information, the purpose of correctly receiving the system message sent by the first transmission point, can avoid that the terminal in the cell corresponding to the micro base station in the prior art is affected by the macro base station or other micro in the prior art due to the multiplexing of the time-frequency resources. The interference of the base station or the terminal in the cell corresponding to the macro base station may be interfered by the micro base station, which improves the reliability of system message acquisition.

FIG. 15 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure. As shown in FIG. 15, the terminal in this embodiment may include a receiver 1501, configured to receive system message update indication information sent by a first transmission point, where System message update indication information is used to indicate that the terminal receives the second transmission point The scheduling information of the sent system message; the receiver 1501 is further configured to receive scheduling information of the system message sent by the second transmission point.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiver 1501 may further indicate receiving the system message sent by the first transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the first transmission point. Correspondingly, the receiver 1501 may further receive the system message sent by the first transmission point according to the scheduling information of the system message.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiver 1501 may further indicate receiving the system message sent by the second transmission point. Then, at this time, the scheduling information of the system message may indicate resource information used by the system message sent by the second transmission point. Correspondingly, the receiver 1501 may further receive the system message sent by the second transmission point according to the scheduling information of the system message.

Optionally, in a possible implementation manner of the embodiment, the system message update indication information received by the receiver 1501 may include, but is not limited to, one or a combination of the following:

First indication information for indicating a change of the system message;

Used to indicate the Commercial Mobile Alert System (CMAS) Third indication information as to whether the information changes;

All system message elements; or

Updated system message element; or

In this embodiment, the terminal receives the system message update indication information sent by the first transmission point by using the receiver, where the system message update indication information is used to indicate that the terminal receives the scheduling information of the system message sent by the second transmission point, so that the terminal Receiving, by the receiver, the scheduling information of the system message sent by the second transmission point, so that the terminal can correctly receive the system message sent by the first transmission point according to the scheduling information of the system message. The purpose is to prevent the terminal in the cell corresponding to the base station from being interfered by the macro base station or other micro base stations due to the multiplexing of the time-frequency resources in the prior art, or the terminal in the cell corresponding to the macro base station may be affected by the micro base station. The problem of interference improves the reliability of system message acquisition.

A person skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

The above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium. The above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to execute the method of the various embodiments of the present application. Part of the steps. The foregoing storage medium includes: a USB flash drive, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. Medium.

Finally, it should be noted that the above embodiments are only used to explain the technical solutions of the present application, and are not limited thereto; although the present application is described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently substituted; and the modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

claims

1. A method for obtaining system messages, which is characterized by including:

The first transmission point obtains the available resources of the cell corresponding to the first transmission point;

The first transmission point sends system message update indication information and system message scheduling information to the terminal in the cell corresponding to the first transmission point through dedicated signaling on the available resources.

2. The method according to claim 1, characterized in that, the first transmission point obtains available resources, including:

The first transmission point performs interference coordination with the second transmission point to determine the available resources; or the first transmission point maintains OAM through operation management to obtain the available resources.

3. The method according to claim 1 or 2, characterized in that the system message update indication information includes one or a combination of the following:

First indication information used to indicate the change of the system message;

Second indication information used to indicate whether the earthquake and tsunami warning system information has changed;

Third indication information for indicating whether the commercial mobile alert system information has changed;

Wherein, the first indication information includes an indication of whether the system message changes and/or an indication of whether the content of the message block of the system message changes.

4. The method according to any one of claims 1 to 3, characterized in that the dedicated signaling further includes a first parameter and/or a second parameter, the first parameter is included in the main message block IVMB information. At least part of the parameters and/or parameters determined according to the IVMB information, the second parameters include at least part of the parameters in the first system message block Sold1 information.

5. The method according to claim 4, characterized in that,

The first parameter includes at least one of cell bandwidth, physical hybrid automatic repeat request indication channel PHICH configuration, system frame number SFN and antenna port information;

The second parameter includes at least one of frequency bandwidth indication, time division duplex TDD ratio, maximum transmit power, public land mobile network PLMN identification list, cell access information and emergency service function indication information.

6. The method according to any one of claims 1 to 5, characterized in that the system message includes:

All system message elements; or

Updated system message element; or All system message elements of the specified message block of the system message; or

7. The method according to any one of claims 1 to 6, characterized in that: the available resource is the first subframe; the first transmission point is on the available resource, and transmits data to all the available resources through dedicated signaling. The terminal in the cell corresponding to the first transmission point sends system message update indication information and system message scheduling information, including:

The first transmission point sends the scheduling information of the physical downlink shared channel PDSCH to the terminal on the physical downlink control channel PDCCH of the first subframe, so that the terminal, according to the scheduling information of the PDSCH, Receive the dedicated signaling on PDSCH;

The first transmission point sends the dedicated signaling to the terminal on the PDSCH according to the scheduling information of the PDSCH.

8. The method according to claim 7, wherein the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold.

9. The method according to any one of claims 1 to 6, characterized in that: the available resource is a first physical resource block; the first transmission point is on the available resource and communicates to The terminal in the cell corresponding to the first transmission point sends system message update indication information and system message scheduling information, including:

The first transmission point sends the scheduling information of the PDSCH to the terminal on the enhanced physical downlink control channel ePDCCH of the first physical resource block, so that the terminal transmits the scheduling information of the PDSCH on the PDSCH according to the scheduling information of the PDSCH. receiving the dedicated signaling;

10. The method according to claim 9, wherein the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes a physical resource block with interference lower than a second threshold.

1 1. The method according to any one of claims 1 to 10, characterized in that the first transmission point is on the available resources and is sent to the cell corresponding to the first transmission point through dedicated signaling. Before the terminal sends the system message update instruction information and the scheduling information of the system message, it also includes: the first transmission point and the second transmission point perform system message scheduling negotiation, and obtain all the information of the cell corresponding to the first transmission point. The scheduling information of the system message, the scheduling information of the system message The scheduling information of the system messages of the cell corresponding to the second transmission point is different from that of the second transmission point; or the first transmission point obtains the scheduling information of the system messages of the cell corresponding to the first transmission point through OAM, and the system The scheduling information of the message is different from the scheduling information of the system message of the cell corresponding to the second transmission point.

12. A method for obtaining system messages, characterized by including:

The terminal receives the system message update indication information and the scheduling information of the system message sent by the first transmission point, and the system message update indication information and the scheduling information of the system message are the first transmission point in the first transmission point. The available resources of the cell corresponding to a transmission point are sent to the terminal through dedicated signaling;

The terminal receives the system message sent by the first transmission point according to the system message update instruction information and the scheduling information of the system message.

13. The method according to claim 12, characterized in that the system message update indication information includes one or a combination of the following:

First indication information used to indicate the change of the system message;

14. The method according to claim 12 or 13, characterized in that the dedicated signaling further includes first parameters and/or second parameters, and the first parameters include at least part of the parameters in the main message block IVMB information. And/or parameters determined according to the I MB information, the second parameters include at least part of the parameters in the first system message block S1 information.

15. The method according to claim 14, characterized in that,

16. The method according to any one of claims 12 to 15, characterized in that the system message includes: All system message elements; or

Updated system message element; or

17. The method according to any one of claims 12 to 16, characterized in that: the available resource is the first subframe; the terminal receives the system message update indication information sent by the first transmission point and the Describes the scheduling information of system messages, including:

The terminal receives the scheduling information of the physical downlink shared channel PDSCH sent by the first transmission point, and the scheduling information of the PDSCH is sent by the first transmission point on the physical downlink control channel PDCCH of the first subframe. the terminal;

18. The method according to claim 17, wherein the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold.

19. The method according to any one of claims 12 to 16, characterized in that: the available resource is a first physical resource block; the terminal receives the system message update indication information sent by the first transmission point and The scheduling information of the system message includes:

The terminal receives the PDSCH scheduling information sent by the first transmission point, and the PDSCH scheduling information is sent by the first transmission point to the enhanced physical downlink control channel ePDCCH of the first physical resource block. the terminal;

20. The method according to claim 19, wherein the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes a physical resource block with interference lower than a second threshold.

21. A method for obtaining system messages, characterized by including:

The first transmission point generates system message update indication information, and the system message update indication information is used to instruct the terminal in the cell corresponding to the first transmission point to receive the scheduling information of the system message sent by the second transmission point;

The first transmission point sends the system message to the terminal in the cell corresponding to the first transmission point. information update instructions.

22. The method according to claim 21, characterized in that the system message update indication information is also used for

Indicate receiving the system message sent by the first transmission point; or

Indicate receiving the system message sent by the second transmission point.

23. The method according to claim 21 or 22, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

24. The method according to any one of claims 21 to 23, characterized in that the system message update indication information includes one or a combination of the following:

First indication information used to indicate the change of the system message;

25. A method for obtaining system messages, characterized by including:

The second transmission point obtains the scheduling information of the system message of the cell corresponding to the first transmission point; and the second transmission point sends the scheduling information of the system message.

26. The method according to claim 25, wherein the second transmission point obtains the scheduling information of the system message of the cell corresponding to the first transmission point, including:

The second transmission point receives the scheduling information of the system message sent by the first transmission point; or

The second transmission point maintains OAM through operation management and obtains the scheduling information of the system message.

27. The method according to claim 25 or 26, characterized in that the system message includes:

All system message elements; or Updated system message element; or

28. A method for obtaining system messages, characterized by including:

The terminal receives the system message update instruction information sent by the first transmission point, and the system message update instruction information is used to instruct the terminal to receive the scheduling information of the system message sent by the second transmission point; the terminal receives the second transmission point Scheduling information of the sent system message.

29. The method according to claim 28, wherein the system message update indication information is also used to indicate receiving the system message sent by the first transmission point; the terminal receives the second transmission point After sending the scheduling information of the system message, it also includes:

The terminal receives the system message sent by the first transmission point according to the scheduling information of the system message; or

The system message update indication information is also used to indicate receiving the system message sent by the second transmission point; after the terminal receives the scheduling information of the system message sent by the second transmission point, it also includes:

30. The method according to claim 28 or 29, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

31. The method according to any one of claims 28 to 30, characterized in that the system message update indication information includes one or a combination of the following:

First indication information used to indicate the change of the system message;

Third indication information indicating whether the commercial mobile alert system information has changed;

32. A transmission point, characterized by: including:

Obtaining unit, configured to obtain available resources of the cell corresponding to the transmission point, and transmit the available resources to the sending unit;

The sending unit is configured to send system message update indication information and system message scheduling information to the terminal in the cell corresponding to the transmission point through dedicated signaling on the available resources.

33. The transmission point according to claim 32, characterized in that the obtaining unit is specifically used to

Perform interference coordination with the second transmission point to determine the available resources; or

Maintain OAM through Operations Management to obtain said available resources.

34. The transmission point according to claim 32 or 33, characterized in that the system message update indication information sent by the sending unit includes one or a combination of the following:

First indication information used to indicate the change of the system message;

35. The transmission point according to any one of claims 32 to 34, characterized in that the dedicated signaling further includes a first parameter and/or a second parameter, and the first parameter includes main message block IVMB information. and/or parameters determined according to the IVMB information, and the second parameters include at least part of the parameters in the first system message block Sold1 information.

36. The transmission point according to claim 35, characterized in that,

37. The transmission point according to any one of claims 32 to 36, characterized in that the system message includes:

All system message elements; or

38. The transmission point according to any one of claims 32 to 37, wherein the available resource obtained by the obtaining unit is the first subframe; the sending unit is specifically used to:

The scheduling information of the physical downlink shared channel PDSCH is sent to the terminal on the physical downlink control channel PDCCH of the first subframe, so that the terminal receives the dedicated dedicated channel on the PDSCH according to the scheduling information of the PDSCH. Signaling; and sending the dedicated signaling to the terminal on the PDSCH according to the scheduling information of the PDSCH.

39. The transmission point according to claim 38, wherein the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold.

40. The transmission point according to any one of claims 32 to 37, characterized in that: the available resource obtained by the obtaining unit is a first physical resource block; the sending unit is specifically configured to: Send the scheduling information of the PDSCH to the terminal on the enhanced physical downlink control channel ePDCCH of a physical resource block, so that the terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH; and according to The scheduling information of the PDSCH is used to send the dedicated signaling to the terminal on the PDSCH.

41. The transmission point according to claim 40, characterized in that, the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes a physical resource block with an interference lower than a second threshold. .

42. The transmission point according to any one of claims 32 to 41, characterized in that the acquisition unit is also used to

Perform system message scheduling negotiation with the second transmission point to obtain the scheduling information of the system message of the cell corresponding to the transmission point, where the scheduling information of the system message is different from the system of the cell corresponding to the second transmission point Scheduling information for messages; or

Through OAM, the scheduling information of the system messages of the cell corresponding to the transmission point is obtained, and the scheduling information of the system messages is different from the scheduling information of the system messages of the cell corresponding to the second transmission point.

43. A terminal, characterized by: including:

A receiving unit, configured to receive the system message update indication information and the scheduling information of the system message sent by the first transmission point, the system message update indication information and the scheduling information of the system message. The information is sent by the first transmission point to the terminal through dedicated signaling on the available resources of the cell corresponding to the first transmission point;

The receiving unit is further configured to receive the system message sent by the first transmission point according to the system message update indication information and the scheduling information of the system message.

44. The terminal according to claim 43, wherein the system message update indication information received by the receiving unit includes one or a combination of the following:

First indication information used to indicate the change of the system message;

45. The terminal according to claim 43 or 44, wherein the dedicated signaling further includes a first parameter and/or a second parameter, and the first parameter includes at least part of the parameters in the main message block IVMB information. And/or parameters determined according to the I MB information, the second parameters include at least part of the parameters in the first system message block Sold1 information.

46. The terminal according to claim 45, characterized in that,

47. The terminal according to any one of claims 43 to 46, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

48. The terminal according to any one of claims 43 to 47, characterized in that: the available resource is the first subframe; the receiving unit is specifically used to

Receive the scheduling information of the physical downlink shared channel PDSCH sent by the first transmission point, so The scheduling information of the PDSCH is sent by the first transmission point to the terminal on the physical downlink control channel PDCCH of the first subframe; and according to the scheduling information of the PDSCH, receiving the dedicated dedicated information on the PDSCH signaling.

49. The terminal according to claim 48, wherein the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold.

50. The terminal according to any one of claims 43 to 47, wherein the available resource is a first physical resource block; the receiving unit is specifically used to

Receive the PDSCH scheduling information sent by the first transmission point, where the PDSCH scheduling information is sent by the first transmission point to the terminal on the enhanced physical downlink control channel ePDCCH of the first physical resource block; and receiving the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH.

51. The terminal according to claim 50, wherein the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes a physical resource block with interference lower than a second threshold.

52. A transmission point, characterized by: including:

A generating unit, configured to generate system message update indication information, and transmit the system message update indication information to the sending unit, where the system message update indication information is used to instruct the terminal in the cell corresponding to the transmission point to receive the second transmission. Scheduling information of system messages sent by the point;

The sending unit is configured to send the system message update indication information to the terminal in the cell corresponding to the transmission point.

53. The transmission point according to claim 52, characterized in that the system message update indication information generated by the generating unit is also used for

Instruct to receive the system message sent by the transmission point; or

Indicate receiving the system message sent by the second transmission point.

54. The transmission point according to claim 52 or 53, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

55. The transmission point according to any one of claims 52 to 54, characterized in that the system message update indication information generated by the generating unit includes one or a combination of the following: used to indicate the The first indication information of the system message change;

56. A transmission point, characterized by: including:

The obtaining unit is configured to obtain the scheduling information of the system message of the cell corresponding to the first transmission point, and transmit the scheduling information of the system message to the sending unit;

The sending unit is configured to send the scheduling information of the system message.

57. The transmission point according to claim 56, characterized in that the obtaining unit is specifically used to

Receive the scheduling information of the system message sent by the first transmission point; or

Through operation management and maintenance OAM, obtain the scheduling information of the system messages.

58. The transmission point according to claim 56 or 57, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

59. A terminal, characterized in that it includes:

A receiving unit configured to receive system message update instruction information sent by the first transmission point, where the system message update instruction information is used to instruct the terminal to receive the scheduling information of the system message sent by the second transmission point;

The receiving unit is also configured to receive the scheduling information of the system message sent by the second transmission point.

60. The terminal according to claim 59, wherein the system message update instruction information received by the receiving unit is also used to indicate receiving the system message sent by the first transmission point; the receiving unit also used for Receive the system message sent by the first transmission point according to the scheduling information of the system message; or

The system message update indication information received by the receiving unit is also used to indicate receiving the system message sent by the second transmission point; the receiving unit is also used to indicate

receiving the system message sent by the second transmission point according to the scheduling information of the system message;

61. The terminal according to claim 59 or 60, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

62. The terminal according to any one of claims 59 to 61, characterized in that the system message update instruction information received by the receiving unit includes one or a combination of the following: used to instruct the system The first indication information of message change;

63. A transmission point, characterized by: including:

A processor, configured to obtain the available resources of the cell corresponding to the transmission point, and transmit the available resources to the transmitter;

The transmitter is configured to send system message update indication information and system message scheduling information to the terminal in the cell corresponding to the transmission point through dedicated signaling on the available resources.

64. The transmission point according to claim 63, characterized in that the processor is specifically used to

ΟΑΜ is maintained through operations management, obtaining said available resources.

65. The transmission point according to claim 63 or 64, characterized in that the system message update indication information sent by the transmitter includes one or a combination of the following: First indication information used to indicate the change of the system message;

66. The transmission point according to any one of claims 63 to 65, characterized in that the dedicated signaling further includes a first parameter and/or a second parameter, and the first parameter includes main message block IVMB information. and/or parameters determined according to the IVMB information, and the second parameters include at least some parameters in the first system message block S old 1 information.

67. The transmission point according to claim 66, characterized in that,

68. The transmission point according to any one of claims 63 to 67, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

69. The transmission point according to any one of claims 63 to 68, wherein the available resource obtained by the processor is the first subframe; the transmitter is specifically used to:

70. The transmission point according to claim 69, wherein the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold.

71. The transmission point according to any one of claims 63 to 68, characterized in that: The available resource obtained by the processor is a first physical resource block; the transmitter is specifically configured to send PDSCH scheduling information to the terminal on the enhanced physical downlink control channel ePDCCH of the first physical resource block, So that the terminal receives the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH; and sends the dedicated signaling to the terminal on the PDSCH according to the scheduling information of the PDSCH.

72. The transmission point according to claim 71, characterized in that, the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes a physical resource block with an interference lower than a second threshold. .

73. The transmission point according to any one of claims 63 to 72, characterized in that the processor is also used to

74. A terminal, characterized by including:

A receiver, configured to receive the system message update indication information and the scheduling information of the system message sent by the first transmission point, where the system message update indication information and the scheduling information of the system message are the first transmission point Send it to the terminal through dedicated signaling on the available resources of the cell corresponding to the first transmission point;

The receiver is further configured to receive the system message sent by the first transmission point according to the system message update indication information and the scheduling information of the system message.

75. The terminal according to claim 74, wherein the system message update indication information received by the receiver includes one or a combination of the following:

First indication information used to indicate the change of the system message;

76. The terminal according to claim 74 or 75, wherein the dedicated signaling further includes a first parameter and/or a second parameter, and the first parameter includes at least part of the parameters in the main message block IVMB information. And/or parameters determined according to the I MB information, the second parameters include at least part of the parameters in the first system message block S1 information.

77. The terminal according to claim 76, characterized in that,

78. The terminal according to claim 74 or 77, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

79. The terminal according to any one of claims 74 to 78, characterized in that the available resource is the first subframe; the receiver is specifically used to

Receive the scheduling information of the physical downlink shared channel PDSCH sent by the first transmission point. The scheduling information of the PDSCH is sent by the first transmission point to the terminal on the physical downlink control channel PDCCH of the first subframe. ; and receiving the dedicated signaling on the PDSCH according to the scheduling information of the PDSCH.

80. The terminal according to claim 79, wherein the first subframe is a low-interference subframe, and the low-interference subframe includes a subframe with interference lower than a first threshold.

81. The terminal according to any one of claims 74 to 78, wherein the available resource is a first physical resource block; the receiver is specifically used to

82. The terminal according to claim 81, wherein the first physical resource block is a low-interference physical resource block, and the low-interference physical resource block includes a physical resource block with interference lower than a second threshold.

83. A transmission point, characterized by: including:

A processor, configured to generate system message update indication information, and transmit the system message update indication information to the transmitter, where the system message update indication information is used to instruct the terminal in the cell corresponding to the transmission point to receive the second transmission. Scheduling information of system messages sent by the point;

The transmitter is configured to send the system message update indication information to the terminal in the cell corresponding to the transmission point.

84. The transmission point according to claim 83, wherein the system message update indication information generated by the processor is also used for

Indicate receiving the system message sent by the transmission point; or

Indicate receiving the system message sent by the second transmission point.

85. The transmission point according to claim 83 or 84, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

86. The transmission point according to any one of claims 83 to 85, characterized in that the system message update indication information generated by the processor includes one or a combination of the following: used to indicate the The first indication information of the system message change;

87. A transmission point, characterized by: including:

A processor, configured to obtain the scheduling information of the system message of the cell corresponding to the first transmission point, and transmit the scheduling information of the system message to the sender;

The sender is configured to send scheduling information of the system message.

88. The transmission point according to claim 87, characterized in that the processor is specifically used to

89. The transmission point according to claim 87 or 88, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

90. A terminal, characterized by: including:

A receiver, configured to receive system message update indication information sent by the first transmission point, where the system message update indication information is used to instruct the terminal to receive the scheduling information of the system message sent by the second transmission point;

The receiver is also configured to receive the scheduling information of the system message sent by the second transmission point.

91. The terminal according to claim 90, wherein the system message update indication information received by the receiver is also used to indicate receiving the system message sent by the first transmission point; the receiver also used for

Receive the system message sent by the first transmission point according to the scheduling information of the system message; or

The system message update indication information received by the receiver is also used to indicate receiving the system message sent by the second transmission point; the receiver is also used to

Receive the system message sent by the second transmission point according to the scheduling information of the system message.

92. The terminal according to claim 90 or 91, characterized in that the system message includes:

All system message elements; or

Updated system message element; or

93. The terminal according to any one of claims 90 to 92, characterized in that the system message update indication information received by the receiver includes one or a combination of the following:

First indication information used to indicate changes in the system message;