WO2012155490A1

WO2012155490A1 - Transmission method, base station and terminal for basic frame information

Info

Publication number: WO2012155490A1
Application number: PCT/CN2011/083080
Authority: WO
Inventors: 鲁照华; 刘锟; 宁迪浩; 郁光辉
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-08-26
Filing date: 2011-11-28
Publication date: 2012-11-22
Also published as: CN102281248A; CN102281248B

Abstract

A transmission method, base station and terminal for basic frame information are provided by the present invention. The method comprises that a base station transmits a basic frame to a terminal, and the basic frame information in the basic frame carries an existence indication field of system parameter message and/or an update count field of system parameter message, wherein the existence indication field of system parameter message is used for notifying the terminal whether the basic frame carries a system parameter message, and the update count field of system parameter message is used for enabling the terminal to judge whether there is an update in the system parameter message compared to the system parameter message saved by the terminal itself. Using the method can reduce the power consumption of the terminal.

Description

Basic frame information transmission method, base station and terminal

Technical field

The present invention relates to a basic frame information transmission technology in the field of communications, and in particular to a method for transmitting basic frame information, a base station, and a terminal.

Background technique

In a communication system, a frame is mainly composed of a synchronization channel, basic frame information, a control channel, a traffic channel, and the like. The terminal (or station) needs to successfully receive the system information such as the base frame information and the system parameter message transmitted in the downlink traffic channel by the base station (or the central access point) before sending the access request to the base station.

The basic frame information is usually sent every frame, and the system parameter message is not sent every frame. Therefore, the terminal that initially enters the system must decode the control channel or data channel to know whether the basic frame carries the system parameter message, which causes the terminal to The consumption is increased.

With the continuous development of data services, higher requirements are placed on the efficiency of spectrum utilization, which in turn leads to more serious inter-cell interference problems. Therefore, it is necessary to solve the inter-cell interference problem through the design of system frame information. Summary of the invention

The technical problem to be solved by the present invention is to provide a method for transmitting basic frame information, a base station, and a terminal, which can reduce power consumption of the terminal.

A method for transmitting basic frame information, including:

The base station sends a basic frame to the terminal, where the basic frame information of the basic frame carries a system parameter message presence indication field and/or a system parameter message update count field; wherein:

The system parameter message presence indication field is used to notify the terminal whether the system parameter message is carried in the basic frame;

The system parameter message update count field is used by the terminal to determine whether the system parameter message is updated compared to the system parameter message stored by itself. The method further includes: after receiving the basic frame information, the terminal, according to the system parameter message presence indication field, whether the current basic frame carries a system parameter message, where the system parameter message presence indication field indicates the basic frame When there is a system parameter message, the terminal receives the system parameter message in the basic frame.

Wherein: when the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, the location of the system parameter message in the basic frame is fixed.

The system parameter message is located at the forefront of the basic frame, or after the basic frame information, or after the control channel of the basic frame.

The method further includes: the base station notifying the terminal of the location of the system parameter message in the basic frame through a control channel.

The method further includes: after receiving the basic frame information, the terminal determines, according to the system parameter message update count field, whether the system parameter message is compared with the system parameter message stored by itself, and when the system parameter message updates the count field When it is indicated that there is an update, the terminal receives the updated system parameter message.

Wherein: the step of determining, by the terminal, whether the system parameter message is compared with the system parameter message stored by itself according to the system parameter message update count field comprises:

When the terminal determines that the received system parameter message update count field is consistent with the stored system parameter message update count field, it determines that the system parameter message is not updated;

When the terminal determines that the received system parameter message update count field is inconsistent with the stored system parameter message update count field, it determines that the system parameter message is updated.

The basic frame information further carries a silence duration field, where the silence duration field is used to notify the terminal of the time for performing the silent operation.

The method also includes:

After receiving the basic frame information, the terminal performs a silent operation within a length of time indicated by the silence duration field.

The silent operation includes one or more of the following operations: receiving no synchronization channel, not receiving basic frame information, not receiving a control channel, not receiving a traffic channel, and not transmitting any information to the base station. The method further includes: performing, by the base station, one or more of the following silent operations within a length of time indicated by the silence duration field: not transmitting a synchronization channel, not transmitting basic frame information, not transmitting a control channel, not transmitting a traffic channel .

The quiet duration field includes: start frame position information and end frame position information of the terminal performing a silent operation; or

Includes start frame position information and silence frame length information.

The basic frame information further carries a silent period field, where the silent period field is used to control the terminal to implement periodic silence.

Wherein: the length of time indicated by the silent period field is greater than or equal to the length of time indicated by the silent duration field.

A base station for transmitting basic frame information, including a configuration module and a sending module, where: the configuration module is configured to: carry a system parameter message presence indication field and/or a system parameter message update count in the basic frame information of the basic frame The system parameter message presence indication field is used to notify the terminal whether the system parameter message is carried in the basic frame; the system parameter message update count field is used by the terminal to determine the system parameter message and the system parameter message stored by the terminal. Compared to whether there is an update;

The sending module is configured to: send the basic frame to a terminal.

The configuration module is further configured to: when the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, place the system parameter message in a fixed position in the basic frame.

The configuration module is further configured to: place the system parameter message at the forefront of the basic frame, or after the basic frame information of the basic frame, or after the control channel of the basic frame .

The sending module is further configured to: notify the terminal of the system parameter message in a fixed position in the basic frame through the control channel.

The configuration module is further configured to: carry a silence duration field in the basic frame information, where the silence duration field is used to notify the terminal of the time for performing the silent operation. The silence duration field includes: start frame position information and end frame position information of the terminal performing a silent operation; or

Includes start frame position information and silence frame length information.

The base station also includes a control module, wherein:

The control module is configured to: control one or more of the following silent operations in the time length indicated by the quiet duration field: the base station does not send the synchronization channel, does not send the basic frame information, does not send the control channel, does not Send a traffic channel.

The configuration module is further configured to: carry a silent period field in the basic frame information, where the silent period field is used to control the terminal to implement periodic silence.

The length of time indicated by the silent period field is greater than or equal to the length of time indicated by the silent duration field.

A terminal includes a first receiving module, a determining module, and a second receiving module, where: the first receiving module is configured to: receive basic frame information in a basic frame;

The determining module is configured to: learn, according to the system parameter message presence indication field carried in the basic frame information, whether the current basic frame carries a system parameter message; and/or, set to: according to the system carried in the basic frame information The parameter message update count field determines whether the system parameter message is updated compared to the system parameter message stored by itself;

The second receiving module is configured to: when the determining module learns that the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, receiving a system parameter message in the basic frame; and/or, And being configured to: when the determining module learns that the system parameter message update count field indicates that the system parameter message is updated, receiving the updated system parameter message.

among them:

The second receiving module is configured to receive the system parameter message in the basic frame in the following manner: receiving the system parameter message at a fixed location in the basic frame.

Wherein: the determining module is configured to determine whether the system parameter message is compared with the system parameter message stored by itself according to the following manner: When the terminal determines that the received system parameter message update count field is consistent with the stored system parameter message update count field, it determines that the system parameter message is not updated;

The terminal also includes a control module, wherein:

The determining module is configured to: determine whether the basic frame information carries a silence duration field; the control module is configured to: when the determining module determines that the basic frame information carries a silence duration field, control the belonging The terminal performs a silent operation within the length of time indicated by the silence duration field.

The silent operation includes one or more of the following operations: no receiving a synchronization channel, not receiving basic frame information, not receiving a control channel, not receiving a traffic channel, and not transmitting any information to a base station.

The method of the embodiment of the invention can effectively improve the utilization of air interface resources, reduce the power consumption of the terminal, realize complexity, and control inter-cell interference. BRIEF abstract

The drawings are intended to provide a further understanding of the invention, and are intended to be a part of the description of the invention. In the drawings: FIG. 1 is a flowchart of an implementation of Embodiment 1 of the present invention;

2a-2f are frame structure diagrams of an OFDM system;

3a-3c are schematic diagrams showing locations of system parameter messages in a basic frame;

4 is a schematic structural diagram of a base station according to Embodiment 1 of the present invention;

FIG. 5 is a schematic structural diagram of a terminal according to Embodiment 1 of the present invention; FIG.

6 is a flowchart of an implementation of Embodiment 2 of the present invention;

7 is a flowchart of an implementation of Embodiment 4 of the present invention;

8 is a schematic structural diagram of a base station according to Embodiment 4 of the present invention; 9 is a schematic structural diagram of a terminal according to Embodiment 4 of the present invention;

Figure 10 Schematic diagram of the content of the frame;

Figure 11 is a schematic diagram of the contents of the system parameter message. Preferred embodiment of the invention

In order to make the objects, the technical solutions and the advantages of the present invention more clearly, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments of the present application may be arbitrarily combined with each other.

Example 1

Since the system parameter message is not sent every frame, the terminal must decode the control channel or data channel to know if the system parameter message is carried in the basic frame. To this end, the embodiment provides the following solution: The base station sends a basic frame to the terminal, where the basic frame information of the basic frame carries a system parameter message presence indication field, where the system parameter message presence indication field is used to notify the terminal whether the basic frame is in the basic frame. Carry system parameter messages.

The base station sends a system parameter message presence indication field to the terminal, so that the terminal does not need to decode the control channel or the data channel to know whether the system parameter message is carried in the basic frame, thereby avoiding unnecessary waste of power consumption by the terminal.

After receiving the basic frame information, the terminal, according to the system parameter message presence indication field, learns whether the system parameter message is carried in the current basic frame, and when the system parameter message presence indication field indicates that the system parameter message exists in the basic frame, the terminal receives System parameter message in the basic frame.

As shown in Figure 1, the following steps are included:

Step 102: The basic frame information transmitted by the base station in a basic frame carries a system parameter message presence indication field.

The structure of the basic frame is as shown in Fig. 2, and any one of Figs. 2a to 2f can be used.

Step 104: After receiving the basic frame information, the terminal learns, according to the system parameter message presence indication field, whether the system parameter message is carried in the frame.

When the system parameter message presence indication field indicates that a system parameter message exists in the basic frame The resource occupied by the system parameter message is determined, that is, the location of the system parameter message in the basic frame is fixed, for example, at the forefront of the basic frame (as shown in FIG. 3a), or at the basic frame information. After the OFDM symbol is located (as shown in Figure 3b), or after the OFDM symbol in which the control channel is located (as shown in Figure 3c), or at a fixed location in several OFDM symbols that make up the downlink traffic channel. Preferably, the resource occupied by the system parameter message is notified by the base station to the terminal through the control channel.

For the specific application of Embodiment 1, see Application Examples 1-3.

As shown in FIG. 4, the base station that implements the foregoing method includes a configuration module and a sending module, where: the configuration module is configured to: carry a system parameter message presence indication field in the basic frame information of the basic frame, and the system parameter message presence indication The field is used to notify the terminal whether the system parameter message is carried in the basic frame.

The sending module is configured to: send the basic frame to a terminal.

Preferably, the configuration module is further configured to: when the system parameter message presence indication field is configured to indicate that a system parameter message exists in the basic frame, placing the system parameter message in a fixed position in the basic frame.

Preferably, the sending module is further configured to: notify the terminal by using the control channel in the fixed position of the system parameter message in the basic frame.

As shown in FIG. 5, the terminal for implementing the foregoing method includes a first receiving module, a determining module, and a second receiving module, where:

The first receiving module is configured to: receive basic frame information in a basic frame;

The determining module is configured to: learn, according to the system parameter message presence indication field carried in the basic frame information, whether the system parameter message is carried in the current basic frame;

The second receiving module is configured to: when the determining module learns that the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, receiving a system parameter message in the basic frame.

Preferably, the second receiving module is configured to receive the system parameter message in the basic frame in the following manner: receiving the system parameter message at a fixed location in the basic frame. Example 2

Considering that the content transmitted in the system parameter message has certain stability, if the terminal that has obtained the system parameter message can determine whether the system parameter message is updated in advance, it can determine whether it is necessary to decode the relevant system parameter message, thereby further reducing The power consumption of the terminal. To this end, the embodiment provides the following solutions:

The base station sends a basic frame to the terminal, and the basic frame information of the frame carries a system parameter message update count field, where the system parameter message update count field is used by the terminal to determine whether the system parameter message is updated.

After receiving the basic frame information, the terminal determines whether the system parameter message is updated according to the system parameter message update count field, and when the system parameter message update count field indicates that the system parameter message is updated, the terminal receives the updated system parameter message; Otherwise, the terminal does not receive system parameter messages.

As shown in Figure 6, the following steps are included:

Step 602: The basic frame information transmitted by the base station in a basic frame carries a system parameter message update count field.

Step 604: After receiving the basic frame information, the terminal updates the count field according to the system parameter message to obtain whether the system parameter message is updated.

The terminal determines whether the system parameter message is updated in the following manner: When the terminal determines that the received system parameter message update count field is consistent with the stored system parameter message update count field, the terminal has successfully received the updated system parameter message. The terminal does not need to receive the updated system parameter message; when the terminal determines that the received system parameter message update count field is inconsistent with the stored system parameter message update count field, the terminal does not receive the updated system parameter message, and needs to To receive updated system parameter messages.

For the specific application of Embodiment 2, refer to the following Application Examples 4-6.

As shown in FIG. 4, the base station that implements the foregoing method includes a configuration module and a sending module, where: the configuration module is configured to: carry a system parameter message update count field in the basic frame information of the basic frame, and update the system parameter message update count. The field is used by the terminal to determine that the system parameter message has No update;

The sending module is configured to: send the basic frame to a terminal.

The determining module is configured to: determine, according to a system parameter message update count field carried in the basic frame information, whether the system parameter message is updated;

The second receiving module is configured to: when the determining module determines that the system parameter message update count field indicates that the system parameter message is updated, receiving the updated system parameter message.

Preferably, the determining module is configured to determine whether the system parameter message is updated in the following manner: when it is determined that the received system parameter message update count field is consistent with the system parameter message update count field stored by the terminal, the determining module Determining that the system parameter message is not updated;

When it is determined that the received system parameter message update count field is inconsistent with the system parameter message update count field stored by the terminal, the determining module determines that the system parameter message is updated.

Example 3

This embodiment describes a scenario in which the system parameter message presence indication field and the system parameter message update count field are used simultaneously. The base station may carry the system parameter message presence indication field and the system parameter message update count field in the basic frame information of the frame. The terminal learns whether the system parameter message is carried in the current basic frame according to the system parameter message presence indication field, and determines whether the system parameter message is updated according to the system parameter message update count field.

The terminal may first know whether the system parameter message is carried in the current basic frame, and may also determine whether the system parameter message is updated or not.

For the specific application of Embodiment 3, refer to the following application examples 7-8.

The base station that implements the foregoing method is the same as the base station in the second embodiment. The configuration module is further configured to: carry a system parameter message presence indication field in the basic frame information of the basic frame, where the system The parameter message presence indication field is used to notify the terminal whether the system parameter message is carried in the basic frame. The terminal that implements the foregoing method is the same as the terminal in the second embodiment. The difference is that the determining module is further configured to: determine, according to the system parameter message presence indication field carried in the basic frame information, whether the system parameter message is carried in the current basic frame; The receiving module is further configured to: when the determining module learns that the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, receiving a system parameter message in the basic frame.

Example 4

In order to implement interference control, keep the terminal and base station silent, and reduce interference to other cells, the following scheme can be used:

The base station sends a basic frame to the terminal, and the basic frame information of the basic frame carries a silence duration field, where the silence duration field is used to notify the terminal of the time for performing the silent operation.

After receiving the basic frame information, the terminal performs a silent operation within the length of time indicated by the silence duration field. In order to avoid possible interference.

As shown in Figure 7, the following steps are included:

Step 702: The basic frame information transmitted by the base station in a basic frame carries a silence duration field. The silence duration field includes: a start frame position information and an end frame position information of the terminal performing a silent operation; or a start frame position information and a silence. Frame length information.

Preferably, the base station may further carry a silent period field in the basic frame information, and control the terminal to implement periodic silence. The length of time indicated by the silent period field is greater than or equal to the length of time indicated by the silence duration field.

Step 704: After receiving the basic frame information, the terminal performs a silent operation according to the length of time indicated by the silence duration field.

The silent operation performed by the terminal in the length of time indicated by the silence duration field includes one or more of the following operations: no receiving synchronization channel, not receiving basic frame information, not receiving control channel, not receiving traffic channel, not transmitting any information. To the base station.

Preferably, the base station may perform one or more of the following in the length of time indicated by the silence duration field Silent operation: no synchronization channel is transmitted, basic frame information is not transmitted, control channel is not transmitted, and traffic channel is not transmitted.

For the specific application of Embodiment 4, see the following application examples 9-11.

The base station that implements the foregoing method, as shown in FIG. 8, includes a configuration module and a sending module, where: the configuration module is configured to: carry a silence duration field in the basic frame information of the basic frame, where the silence duration field is used to notify The time when the terminal performs a silent operation;

The sending module is configured to: send the basic frame to a terminal.

Preferably, the configuration module is further configured to: further carry a silent period field in the basic frame information, where the length of time indicated by the silent period field is greater than or equal to the length of time indicated by the silence duration field.

Preferably, the base station further includes: a control module, configured to: control the base station to perform one or more of the following silent operations in a length of time indicated by the silence duration field: not transmitting the synchronization channel, not transmitting the basic frame information, not The control channel is transmitted and the traffic channel is not transmitted.

The terminal that implements the foregoing method, as shown in FIG. 9, includes a receiving module and a control module, where: the receiving module is configured to: receive basic frame information in a basic frame;

The control module is configured to: control the terminal to perform a silent operation within a length of time indicated by a silence duration field carried in the basic frame information.

Preferably, the silent operation comprises one or more of the following: not receiving the synchronization channel, not receiving the basic frame information, not receiving the control channel, not receiving the traffic channel, and not transmitting any information to the base station.

Application example 1

In the communication system using the frame structure shown in FIG. 2, the base station carries information such as an indication field of the system parameter message to the terminal through the basic frame information in a basic frame.

The resource size occupied by the system parameter message is fixed (for example, X OFDM symbols, which can be configured by the standard default), as shown in FIG. 3a, located in the OFDM symbol set constituting the downlink traffic channel. The first X OFDM symbols. It should be noted that the resource starting position occupied by the system parameter message may also be located at other locations in the OFDM symbol set occupied by the downlink traffic channel, as long as the transmitting and receiving parties are known, for example, standard default configuration or both sides signaling. Confirmed by negotiation.

After the terminal receives the system parameter message field, if the field indicates that the frame contains the system parameter message, the terminal obtains the resource information of the downlink service channel by parsing the basic frame information, and further obtains the specific resource location of the system parameter message. . For example, in a basic frame, the preamble sequence occupies two OFDM symbols, the basic frame information occupies 1 OFDM symbol, and the control channel occupies 9 OFDM symbols (the terminal information is notified by the basic frame information), and the downlink traffic channel is from the 13th OFDM symbol. Initially, assuming that the system parameter message occupies 1 OFDM symbol, the system parameter message propagates on the 13th OFDM symbol.

The terminal receives a system parameter message on the resource.

Application example 2

The resource location and size occupied by the system parameter message are fixed (for example, one or two OFDM symbols, which can be configured by the standard default), as shown in Figure 3b, after the OFDM symbol where the basic frame information is located, or as shown in Figure 3c. After the OFDM symbol in which the control channel is located.

The terminal receives a system parameter message on the resource.

Application example 3

After the terminal receives the system parameter message field, if the field indicates that the basic frame includes a system parameter message, the terminal obtains the resource allocated for the system parameter message in the downlink traffic channel by decoding the control channel in the basic frame. (for example, the occupied OFDM symbol position and number).

The terminal receives a system parameter message on the resource. Application example 4

In the communication system using the frame structure shown in Fig. 2, the base station carries the information such as the system parameter message update count field to the terminal through the basic frame information in a basic frame.

The terminal receives the updated system parameter message when the system parameter message update count field indicates that there is an update to the system parameter message.

Application example 5

When the system parameter message update count field received by the terminal is consistent with the stored system parameter message update count field, the terminal has successfully received the updated system parameter message, and does not need to receive the updated system parameter message. .

Application example 6

When the system parameter message update count field received by the terminal is inconsistent with the stored system parameter message update count field, the terminal does not successfully receive the updated system parameter message, and needs to receive the updated system parameter message.

Application example 7

In the communication system using the frame structure shown in Fig. 2, the base station carries the system parameter message presence indication field and the system parameter message update count field and the like to the terminal through the basic frame information in a basic frame.

When the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, and the system parameter message update count field is updated with a system parameter message stored by the terminal When the count field is inconsistent, the terminal receives the system parameter message sent in the frame; or when the system parameter message presence indication field indicates that the system parameter message does not exist in the basic frame, and the system parameter message update count field When the system parameter message update count field stored by the terminal is inconsistent, the terminal needs to receive the updated system parameter message in the subsequent frame.

Application example 8

When the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, and the system parameter message update count field is consistent with the system parameter message update count field stored by the terminal, the terminal is successfully configured. After receiving the updated system parameter message, there is no need to receive the updated system parameter message.

In the above application examples 5-8, preferably, the resources occupied by the system parameter message are located at fixed positions in a plurality of OFDM symbols constituting the downlink traffic channel, as shown in FIG. 3a. It should be noted that the resource starting position occupied by the system parameter message may also be located at other locations in the OFDM symbol set occupied by the downlink traffic channel, as long as the transmitting and receiving parties are known, for example, the standard default configuration or the two-way signaling. Confirmed by negotiation.

In the application examples 5-8, the resource location occupied by the system parameter message is fixed, for example, after the OFDM symbol in which the basic frame information is located or the OFDM symbol in which the control channel is located, as shown in FIG. 3b and 3c. .

In application examples 5-8, preferably, the resources occupied by the system parameter message are notified by the base station to the terminal through a control channel.

Application example 9

In the communication system using the frame structure shown in FIG. 2, the base station carries information such as a silence duration field to the terminal through basic frame information in a basic frame. The silence duration field includes start frame position information and end frame position information of a silence duration, for example, starting from the current frame (frame number X), terminating at the (X+Y) frame, or starting after the frame. The Nth frame ends at the (N+X)th frame.

The terminal performs a silent operation during the time period described by the silence duration.

The base station performs a silent operation during the time period described by the silence duration.

Application example 10

In the communication system using the frame structure shown in Fig. 2, the base station carries information such as a silence duration field to the terminal through basic frame information in a basic frame.

The silence duration field includes a length of silence (for example, a clear number of frames, or a silence duration to terminate the frame), and the start position of the silence duration may be configured by default, or by the base station and the Determined by the terminal negotiation, for example, starting from the current frame or the Nth frame after the current frame (N is an integer).

Application example 11

In the communication system of the frame structure shown in FIG. 2, the base station carries information such as a silence duration field and a silent period to the terminal through basic frame information in a basic frame.

After receiving the foregoing information, the terminal periodically performs a silent operation according to the time specified by the silence duration field according to the duration of the silent period.

The silent operation performed by the base station in the time period described by the quiet duration according to the application examples 9 to 11 includes one or more of the following operations: no synchronization channel is transmitted, basic frame information is not transmitted, control channel is not transmitted, and no transmission is performed. Traffic channel.

The silent operation of the terminal in the application examples 9 to 11 means that the terminal is in the silent duration. One or more of the following operations are performed in the length of time indicated by the field: no receiving synchronization channel, not receiving basic frame information, not receiving a control channel, not receiving a traffic channel, and not transmitting any information to its own serving base station.

It is to be noted that Fig. 2 shows the basic frame structure, which is applicable to the present invention based on the above-described variation of the frame structure. In addition, the content carried in the basic frame information may be all or part of the field shown in FIG. 10, and the content carried in the system parameter message may be all or part of the field shown in FIG.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program instructing the associated hardware, such as a read-only memory, a magnetic disk, or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

It is a matter of course that the invention may be embodied in various other forms and modifications without departing from the spirit and scope of the invention.

Industrial applicability

The method of the embodiment of the invention can effectively improve the utilization of air interface resources, reduce the power consumption of the terminal, realize complexity, and control inter-cell interference. Therefore, the present invention has strong industrial applicability.

Claims

Claim

1. A method for transmitting basic frame information, comprising:

The system parameter message update count field is used by the terminal to determine whether the system parameter message is updated compared to the system parameter message stored by itself.

2. The transmission method of claim 1, further comprising:

After receiving the basic frame information, the terminal, according to the system parameter message presence indication field, learns whether the system parameter message is carried in the current basic frame, and when the system parameter message presence indication field indicates that the system parameter message exists in the basic frame, The terminal receives the system parameter message in the basic frame.

3. The transmission method according to claim 1 or 2, wherein:

When the system parameter message presence indication field indicates that a system parameter message exists in the basic frame, the location of the system parameter message in the basic frame is fixed.

4. The transmission method according to claim 3, wherein:

5. The transmission method of claim 3, further comprising:

The base station notifies the terminal of the location of the system parameter message in the basic frame through the control channel.

6. The transmission method of claim 1, further comprising:

After receiving the basic frame information, the terminal determines, according to the system parameter message update count field, whether the system parameter message is updated compared with the system parameter message stored by itself, when the system parameter message update count field indicates that there is an update, The terminal receives an updated system parameter message.

7. The transmission method according to claim 6, wherein: the terminal further according to the system parameter message The new counting field determines whether the system parameter message is updated compared to the system parameter message stored by itself:

The transmission method of claim 1, wherein: the basic frame information further carries a silence duration field, where the silence duration field is used to notify the terminal of the time for performing the silent operation.

9. The transmission method of claim 8, further comprising:

10. The transmission method according to claim 9, wherein the silent operation comprises one or more of the following: not receiving a synchronization channel, not receiving basic frame information, not receiving a control channel, not receiving a traffic channel, No information is sent to the base station.

11. The transmission method of claim 9, further comprising:

The base station performs one or more of the following silent operations within the length of time indicated by the silence duration field: no synchronization channel is transmitted, basic frame information is not transmitted, no control channel is transmitted, and no traffic channel is transmitted.

12. The transmission method according to claim 8 or 9, wherein:

The silence duration field includes: start frame position information and termination frame position information of the terminal performing a silent operation; or

Includes start frame position information and silence frame length information.

13. The transmission method according to claim 8, wherein:

The basic frame information also carries a silent period field, where the silent period field is used to control the terminal to implement periodic silence.

14. The transmission method according to claim 13, wherein:

The length of time indicated by the silent period field is greater than or equal to the length of the silent duration field. The length of time shown.

A base station for transmitting basic frame information, including a configuration module and a sending module, where: the configuration module is configured to: carry a system parameter message presence indication field and/or a system parameter message in basic frame information of a basic frame Updating the count field; wherein: the system parameter message presence indication field is used to notify the terminal whether the system parameter message is carried in the basic frame; and the system parameter message update count field is used by the terminal to determine the system parameter message and the system for storing the same Whether the parameter message is updated or not;

The sending module is configured to: send the basic frame to a terminal.

16. The base station of claim 15, wherein:

17. The base station of claim 16 wherein:

The configuration module is further configured to: place the system parameter message at the forefront of the basic frame, or after the basic frame information of the basic frame, or after the control channel of the basic frame.

18. The base station according to claim 16 or 17, wherein:

The sending module is further configured to: notify the terminal of the system parameter message to the terminal through a control channel at a fixed position in the basic frame.

The base station according to claim 15, wherein the configuration module is further configured to: carry a silence duration field in the basic frame information, where the silence duration field is used to notify a terminal of a time for performing a silent operation.

The base station according to claim 19, wherein the silence duration field includes: start frame position information and end frame position information of the terminal performing a silent operation; or

Includes start frame position information and silence frame length information.

21. The base station of claim 19, the base station further comprising a control module, wherein: The control module is configured to: control one or more of the following silent operations in the time length indicated by the quiet duration field: the base station does not send the synchronization channel, does not send the basic frame information, does not send the control channel, does not Send a traffic channel.

The base station according to any one of claims 19 to 21, wherein the configuration module is further configured to: carry a silent period field in the basic frame information, where the silent period field is used to control a terminal implementation period Silent.

The base station according to claim 22, wherein the length of time indicated by the silent period field is greater than or equal to a length of time indicated by the silence duration field.

24, a terminal, comprising a first receiving module, a determining module, and a second receiving module, where: the first receiving module is configured to: receive basic frame information in a basic frame;

25. The terminal of claim 24, wherein:

26. The terminal of claim 24, wherein: the determining module is configured to determine whether the system parameter message is updated compared to the system parameter message stored by itself according to the following method:

27. The terminal of claim 24, the terminal further comprising a control module, wherein: The determining module is configured to: determine whether the basic frame information carries a silence duration field; the control module is configured to: when the determining module determines that the basic frame information carries a silence duration field, control the belonging The terminal performs a silent operation within the length of time indicated by the silence duration field.

28. The terminal of claim 27, wherein: the silent operation comprises one or more of the following: not receiving a synchronization channel, not receiving basic frame information, not receiving a control channel, not receiving a traffic channel, not Send any information to the base station.