WO2011147167A1

WO2011147167A1 - Message transmission method, base station, terminal and multi-standard communication system

Info

Publication number: WO2011147167A1
Application number: PCT/CN2010/078891
Authority: WO
Inventors: 方惠英; 曲红云; 关艳峰; 鲁照华
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-05-25
Filing date: 2010-11-18
Publication date: 2011-12-01
Also published as: CN102263720A; CN102263720B

Abstract

Disclosed are a message transmission method, a base station, a terminal and a multi-standard communication system in the present invention. The method includes: according to a coexistence configuration of a multi-standard communication system, generating super-frame configuration information and sub-frame configuration information, wherein the coexistence configuration is a frame structure configuration supporting the coexistence of the multi-standard communication system; according to the super-frame configuration information, configuring part or all of unit frames in super-frames of wireless frames in the multi-standard communication system, wherein the super-frame configuration information is used for indicating the configuration attribute of the unit frames; according to the sub-frame configuration information, configuring sub-frames in the unit frames, wherein the sub-frame configuration information is used for indicating the distribution attribute of the sub-frames; and transmitting a message using the wireless frames. The present invention can solve the problem of message transmission interference caused by disunity of the frame structure when multiple communication systems coexist with each other, and improve the utilization ratio of resources.

Description

TECHNICAL FIELD The present invention relates to the field of communications, and in particular to a method for transmitting a message, a base station, a terminal, and a multi-communication system. Background technique

OFDM (Orthogonal Frequency Division Multiplexing) is a multi-carrier transmission mode that makes the system sensitive to multipath fading channel frequency selectivity by converting high-speed data streams into low-speed parallel data streams. The degree is greatly reduced. Worldwide Interoperability for Microwave Access (WiMAX) and Long Term Evolution (LTE) are two highlights of communication technology in recent years. A WiMAX system based on OFDM A (Orthogonal Frequency Division Multiple Access) is a system using OFDM technology. From the perspective of the frequency domain, different users occupy a certain number of orthogonal subcarrier resources. To achieve the purpose of multiple access. For advanced international wireless communication systems (International Mobile Telecommunication

Advance, referred to as IMT-AdV, has the advantages of 4G technology compared to 3G: high data rate, packet transmission, delay reduction, wide area coverage and backward compatibility. Currently, candidate technologies for IMT-ADV mainly include LTE+ and IEEE802.16m. LTE is an evolution of the third generation mobile communication system (3th Generation, 3G for short). Currently, the TGm task force of the IEEE 802.16 working group is working to develop an improved air interface specification 802.16m for mobile WiMAX systems that can support higher peak rates, higher spectral efficiency and sector capacity. The frame structure of the LTE-Time Division Duplex (LTE-TDD) uses a superframe structure of 10ms period. The superframe structure has multiple frame configuration modes, including 5ms conversion point period and 10ms conversion. A plurality of frame configurations of a dot period, and a special subframe including both a downlink OFDM symbol and an uplink OFDM symbol is introduced. In the WiMAX system based on IEEE 802.16e and IEEE802.16m, all frame configuration modes are 5ms transition point periods. Due to the different frame transition point period settings of the frames in the superframe in the future wireless communication system for IMT-ADV, the existing frame structure design scheme in the message communication system cannot meet the coexistence requirements of the future evolution of LTE and WiMAX. SUMMARY OF THE INVENTION A primary object of the present invention is to provide a method for transmitting a message, a base station, a terminal, and a multi-communication system to solve the above-mentioned existence of different frame transition point periods due to frames in a superframe, resulting in existing information in the message communication system. The frame structure design solution cannot meet the coexistence requirements of the future evolution of LTE and WiMAX. In order to achieve the above object, according to an aspect of the present invention, a method of transmitting a message is provided. The method for transmitting a message according to the present invention includes: generating superframe configuration information and subframe configuration information according to a coexistence configuration of a multi-communication system, wherein the coexistence configuration is configured to support a frame structure in which a multi-communication system coexists; The configuration information configures part or all of the unit frames of the superframe of the radio frame in the multi-communication system, where the superframe configuration information is used to indicate the configuration attribute of the unit frame; the subframe in the unit frame is configured according to the subframe configuration information, where the subframe The configuration information is used to indicate the distribution attribute of the subframe; 发送 the message is sent by using the radio frame. The type of the subframe includes at least one of the following: a downlink subframe, an uplink subframe, and a special subframe, where the special subframe refers to the subframe including the downlink orthogonal frequency division multiplexing (OFDM) symbol and the uplink OFDM symbol. The partial or all unit frames of the superframe of the radio frame in the multi-communication system are configured according to the superframe configuration information, including: the superframe configuration information configuration part or all of the unit frames are configured with the same or different subframes. Configuring the subframe in the unit frame according to the subframe configuration information includes: Deploying the subframe configuration information The subframe in the unit frame is one of the following formats: the subframes are all composed of downlink subframes, and the subframes are all composed of uplink subframes, The subframes are all composed of special subframes, the subframes are composed of downlink subframes and uplink subframes, the subframes are composed of downlink subframes and special subframes, and the subframes are composed of uplink subframes and special subframes. The subframe length is the same. A subframe consists of a plurality of elementary symbol units and/or idle time slots. The subframe includes 12 OFDM symbols and a free slot, wherein the cyclic prefix CP of the subframe is 2.5 us and the subcarrier spacing is 12.5 k; the subframe includes 11 OFDM symbols and idle slots, where the cyclic prefix of the subframe The CP is 9.375us and the subcarrier spacing is 12.5k. The subframe includes 10 OFDM symbols and idle slots. The subframe has a cyclic prefix CP of 16.875us and a subcarrier spacing of 12.5k. The superframe length is 20ms, the unit frame length is 5ms, the superframe length is 20ms, and the unit frame length is 10ms. After the superframe configuration information and the subframe configuration information are generated according to the coexistence configuration of the multi-communication system, the terminal includes: Receiving the superframe configuration information from the base station; determining whether to acquire the subframe configuration information according to the superframe configuration information. The method further includes: if the judging result is that the superframe configuration information is configured to indicate that the subframe in the unit frame of the superframe is In the non-full uplink subframe or the non-full downlink subframe, the terminal acquires the subframe configuration information. To achieve the above object, according to another aspect of the present invention, a base station is provided. The base station according to the present invention includes: a generating module, configured to The superframe configuration information and the subframe configuration information are generated according to the coexistence configuration of the multi-communication system, wherein the coexistence configuration is configured to support a frame structure in which the multi-communication system coexists; the first configuration module is configured to configure according to the superframe configuration information. a part or all of a unit frame of a superframe of a radio frame in a multi-communication system, wherein a superframe configuration The second configuration module is configured to configure a subframe in a unit frame according to the subframe configuration information, where the subframe configuration information is used to indicate a distribution attribute of the subframe, and the sending module is configured to be used. The wireless frame transmits a message. In order to achieve the above object, according to still another aspect of the present invention, a terminal is provided. The terminal according to the present invention includes: a receiving module configured to receive superframe configuration information from a base station; The method is configured to determine whether to obtain the subframe configuration information according to the superframe configuration information, and the obtaining module is configured to determine that the superframe configuration information is a subframe in the unit frame indicating the superframe, and the configuration manner is a non-full uplink subframe or a non-full subframe. In the downlink sub-frame, the sub-frame configuration information is obtained. To achieve the above object, according to still another aspect of the present invention, a multi-communication system is provided. The multi-communication system according to the present invention includes: the base station and the terminal According to the present invention, the superframe configuration information and the superframe configuration information are generated according to the coexistence configuration of the multi-communication system. Subframe configuration information, wherein the coexistence configuration is configured to support a frame structure in which a multi-communication system coexists; and some or all unit frames of a superframe of a radio frame in the multi-communication system are configured according to the superframe configuration information, wherein The frame configuration information is used to indicate a configuration attribute of the unit frame; the sub-frame configuration information is configured to be a sub-frame in a unit frame, where the sub-frame configuration information is used to indicate a distribution attribute of the sub-frame; and the radio frame is used to send a message, and the multi-communication system is solved. In the coexistence, the problem of message transmission interference caused by the inconsistent frame structure expands the scenario where multiple communication systems coexist in the next generation broadband mobile communication system, and improves resource utilization. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 1 is a flowchart of a method for transmitting a message according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a frame structure according to an embodiment of the present invention; FIG. 3 is a second schematic diagram of a frame structure according to an embodiment of the present invention; FIG. 5 is a schematic diagram of a subframe structure according to an embodiment of the present invention; FIG. 6 is a schematic diagram of a subframe structure according to an embodiment of the present invention; FIG. 7 is a subframe structure of an embodiment of the present invention; FIG. 8 is a schematic diagram of a superframe configuration structure according to an embodiment of the present invention; FIG. 9 is a schematic diagram of a superframe configuration structure according to an embodiment of the present invention; FIG. FIG. 12 is a structural block diagram of a base station according to an embodiment of the present invention; FIG. 13 is a structural block diagram of a terminal according to an embodiment of the present invention; Figure 14 is a block diagram showing the structure of a multi-communication system according to an embodiment of the present invention; and Figure 15 is a flow chart showing the configuration of a frame structure according to a preferred embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. Embodiment 1 This embodiment provides a method for transmitting a message. 1 is a flowchart of a method for transmitting a message according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps: step S20 to step 4: S20: Step S20, according to the coexistence of the multi-communication system Configuring to generate superframe configuration information and subframe configuration information, where the coexistence configuration is to support the configuration of the frame structure in which the multi-communication system coexists; and in step S40, the superframe of the radio frame in the multi-communication system is configured according to the superframe configuration information. a partial or all unit frame of the frame, where the superframe configuration information is used to indicate a configuration attribute of the unit frame; and in step S60, the subframe in the unit frame is configured according to the subframe configuration information, where the subframe configuration information is used to indicate the subframe. The distribution attribute; step S80, sending a message by using a radio frame. In the related art, the multi-communication system uses different frame structures with different conversion points. Because the frame structure is not uniform, the multi-communication system is incompatible, and there is a problem of interference when transmitting a message. According to the coexistence configuration of the multi-communication system, the superframe configuration information and the subframe configuration information are generated, and the unit frame and the subframe are respectively configured according to the above two kinds of information, thereby solving the interference problem when the multi-communication system for the IMT-ADV coexists, and according to In actual network deployment, the frame configuration design suitable for the coexistence scenario is selected to adapt to the scenario of multi-system coexistence configuration in the next-generation broadband mobile communication system, thereby satisfying the requirements of IMT-Advanced for system performance, and different frames between multiple communication systems. The structure is compatible and the resource utilization is improved. Preferably, the type of the subframe includes at least one of the following: a downlink subframe, an uplink subframe, and a special subframe, where the special subframe refers to the subframe including the downlink orthogonal frequency division multiplexing OFDM symbol and the uplink OFDM symbol. With the preferred embodiment, the subframe type is configured according to system requirements, and the subframe type is improved. The flexibility of the subframe configuration. Preferably, configuring part or all of the unit frames of the superframe of the radio frame in the multi-communication system according to the superframe configuration information includes: - configuring some or all of the unit frames according to the superframe configuration information, using the same or different subframe configurations . With the preferred embodiment, the structure of the unit frame can be configured according to different system requirements, and the flexibility of the unit frame configuration is improved. Preferably, the sub-frame in the sub-frame configuration information configuration unit frame includes: the sub-frame configuration information configuration unit frame, the sub-frame in the frame is one of the following formats: the sub-frames are all composed of the downlink sub-frames, and the sub-frames are all composed of the uplink sub-frames. The subframes are all composed of special subframes, the subframes are composed of downlink subframes and uplink subframes, the subframes are composed of downlink subframes and special subframes, and the subframes are composed of uplink subframes and special subframes. With the preferred embodiment, the subframe structure can be flexibly configured according to the requirements of different communication systems, and resource utilization is improved. Preferably, the subframes are the same length. With the preferred embodiment, the subframes are all configured to be of equal length, which improves the efficiency of subframe configuration. Preferably, the subframe consists of a plurality of elementary symbol units and/or idle time slots. With the preferred embodiment, the composition of the subframes is flexibly configured according to the system configuration. Preferably, when the sub-carrier interval is 12.5 k, when the cyclic prefix CP of the subframe is 2.5 us, the subframe includes 12 OFDM symbols and idle slots; when the cyclic prefix CP of the subframe is 9.375 us, The subframe includes 11 OFDM symbols and idle slots; when the cyclic prefix CP of the subframe is 16.875us, the subframe includes 10 OFDM symbols and idle slots. With the preferred embodiment, it is achieved that the number of OFDMs in a subframe is flexibly configured according to different CP lengths. Specifically, based on the subcarrier spacing (Af) of 12.5 k, three different CP lengths are set for different application scenarios: a short CP length of 2.5 us, a standard CP length of 9.375 us, and a long CP length of 16.875 us. At a subcarrier spacing of 12.5 k, the useful OFDM symbol length is 1/Δf=l/12.5k=80us. In the case of a short CP configuration, the OFDM symbol length is 82.5 us, in the case of a standard CP configuration, the OFDM symbol length is 89.375 us, and in the case of a long CP configuration, the OFDM symbol length is 96.875 us. Then 40 pairs of different CP configurations, 1ms subframes respectively contain 12, 11 or 10 OFDM symbols and corresponding idle time slots. Preferably, the superframe length is 20 ms, the unit frame length is 5 ms, the superframe length is 20 ms, and the unit frame length is 10 ms. With the preferred embodiment, compatibility of the frame structure of the LTE system and the WiMAX system is achieved. Preferably, after the superframe configuration information and the subframe configuration information are generated according to the coexistence configuration of the multi-communication system, the method further includes: receiving, by the terminal, superframe configuration information from the base station; determining, according to the superframe configuration information, whether to acquire the sub Frame configuration information. With the preferred embodiment, the terminal receives the superframe configuration information, and according to the superframe configuration information, determines whether to acquire the subframe configuration information, and implements optimal configuration of resources. Preferably, if the result of the determination is that the superframe configuration information is that the configuration of the subframe in the unit frame indicating the superframe is a non-full uplink subframe or a non-full downlink subframe, the terminal acquires the subframe configuration information. The preferred embodiment implements the acquisition of subframe configuration information by the terminal, and improves resource utilization. To assist in understanding the above embodiments, other preferred embodiments of the present invention are further described below. The frame structure in the preferred embodiment is composed of a plurality of unit frames, wherein the configuration of each unit frame in the super frame may be the same or different, and each unit frame is composed of multiple downlink subframes and/or multiple The uplink subframe or the uplink subframe is composed of multiple OFDM symbols or multiple OFDM symbols and idle slots. FIG. 2 is a first schematic diagram of a frame structure according to an embodiment of the present invention. The superframe is composed of L unit frames, and the unit frame is composed of N subframe units, and the subframe unit can be divided into a downlink subframe unit and/or an uplink subframe unit, which can be configured according to the system. The subframe unit is composed of M OFDM symbols. FIG. 3 is a second schematic diagram of a frame structure according to an embodiment of the present invention. A 20 ms superframe is composed of four 5 ms unit frames, and each unit frame is composed of five lms subframe units. According to different CP configurations, subframe units are composed of different numbers of OFDM symbols. 4 is a schematic diagram 3 of a frame structure according to an embodiment of the present invention. A superframe 101 of 20 ms is composed of two 10 ms unit frames 105, and each unit frame 105 is composed of 10 lm subframe units 103. According to different CP configurations, the subframe unit 103 is composed of a different number of OFDM symbols. Preferred Embodiment 2 FIG. 5 is a schematic diagram 1 of a subframe structure according to an embodiment of the present invention. The subframe unit (subframe) is composed of N unit symbols (symbols) and idle slots. FIG. 6 is a second schematic diagram of a subframe structure according to an embodiment of the present invention, showing a subframe unit design with a short CP length of 2.5 us. At a subcarrier spacing of 12.5 k, the useful OFDM symbol length is 1/Δf=l/12.5k=80us. Wherein, in the case of a short CP configuration, the OFDM symbol length is 82.5 us. FIG. 7 is a third schematic diagram of a subframe structure according to an embodiment of the present invention, showing a subframe unit design with a standard CP length of 9.375us. The subframe unit contains 12 OFDM symbols with a length of 2.5 us CP and idle slots with a length of 10us. FIG. 8 is a fourth schematic diagram of a subframe structure according to an embodiment of the present invention, showing a subframe unit design with a long CP length of 16.875us. The subframe unit includes the subframe unit including 10 OFDM symbols with a length of 16.875 us CP and a free time slot of 31.25 us long. Figures 6 to 8 show the composition of the subframes set for the three CP lengths, respectively. Preferred Embodiment 3 FIG. 9 is a schematic diagram 1 of a superframe configuration structure according to an embodiment of the present invention. The 20ms superframe is composed of four 5ms unit frames. The superframe frame configuration information is used to characterize the configuration features of each unit frame in the superframe. The superframe frame configuration information represents the configuration attributes of four unit frames, as shown in Table 1. . In Table 1, X and Y indicate that the subframes in the unit frame are configured in the subframes in Table 2, D indicates that the subframes in the unit frame are all downlink subframes, and U indicates that the subframes in the unit frame are all uplink subframes. . The 5ms unit frame in the superframe consists of five 1ms downlink subframes and/or uplink subframes. The subframes in the unit frame may be composed of the downlink subframes or all of the uplink subframes or the downlink subframes and the uplink subframes, or the downlink subframes, the uplink subframes, and the special subframes. As shown in FIG. 9, the subframe configurations in different unit frames in the superframe may be the same or different, for example, unit frame 1 includes 3 downlink subframes and 2 uplink subframes; and unit frame 3 is all downlink subframes. composition. For the unit frame including the downlink subframe and the uplink subframe, the subframe configuration information is used to represent the distribution information of the downlink subframe and the uplink subframe of each subframe in the unit frame, as shown in Table 2, in Table 2, D, U and S represent downlink, uplink, and special subframes, respectively. Table 1 superframe frame configuration information

Table 2 subframe configuration information

Preferred Embodiment 4 FIG. 10 is a schematic diagram of a superframe configuration structure according to an embodiment of the present invention. The 20 ms superframe is composed of two 10 ms unit frames, wherein the superframe frame configuration information is used to characterize the configuration features of each unit frame in the superframe. The superframe frame configuration information characterizes the configuration properties of two unit frames, as shown in Table 3. In Table 3, X, and Y indicate that the subframe in the unit frame is configured with the subframe in Table 4, D indicates that all the subframes in the unit frame are downlink subframes, and U indicates that the subframes of the unit frame are all uplinks. Subframe. The 10ms unit frame in the superframe consists of 10 1ms downlink subframes and/or uplink subframes. The subframes in the unit frame may all be composed of the downlink subframe or all of the uplink subframe or the downlink subframe and the uplink subframe. The subframe configuration in different unit frames in the superframe may be the same or different unit frame 1 and unit frame 2, using the same subframe configuration. The same configuration is used in Figure 10. 11 is a schematic diagram of a superframe configuration structure according to an embodiment of the present invention. As shown in FIG. 11, unit frame 1 and unit frame 2 are configured with different subframes, for example, unit frame 1 includes 7 downlink subframes and 3 uplinks. Subframe, and unit frame 2 consists of 8 downlink subframes and 2 uplink subframes. For the unit frame including the downlink subframe and the uplink subframe, the subframe configuration information is used to represent the distribution information of the downlink subframe and the uplink subframe of each subframe in the unit frame, as shown in Table 4, Table 4 D, U And S represent the downlink, uplink, and special subframes, respectively. Table 3 Superframe frame configuration information

Table 4 subframe configuration information

It should be noted that the steps shown in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and, although the logical order is shown in the flowchart, in some cases, The steps shown or described may be performed in an order different than that herein. The embodiment of the present invention further provides a base station, and FIG. 12 is a structural block diagram of a base station according to an embodiment of the present invention. The base station includes: a generating module 20, a first configuration module 40, a second configuration module 60, and a sending module 80. The foregoing structure is described in detail: the generating module 20 is configured to generate superframe configuration information and subframe configuration information according to the coexistence configuration of the multi-communication system, wherein the coexistence configuration is to support coexistence of the multi-communication system a configuration of the frame structure; the first configuration module 40 is connected to the generating module 20, configured to configure part or all of the unit frames of the superframe of the radio frame in the multi-communication system according to the superframe configuration information generated by the generating module 20, where The superframe configuration information is used to indicate the configuration attribute of the unit frame. The second configuration module 60 is connected to the generating module 20, configured to configure the subframe in the unit frame according to the subframe configuration information generated by the generating module 20, where the subframe configuration information a distribution attribute for indicating a subframe; a sending module 80, connected to the first configuration module 40 and the second configuration module 60, for using the first configuration module 40 and the wireless frame configured by the second configuration module 60 sends a message. In the related art, the multi-communication system uses different frame structures with different conversion points. Because the frame structure is not uniform, the multi-communication system is incompatible, and there is a problem of interference when transmitting messages. In this embodiment, the generating module 20 generates the superframe configuration information and the subframe configuration information according to the coexistence configuration of the multi-communication system, and the first configuration module 40 and the second configuration module 60 respectively configure the unit frame and the subframe respectively. To solve the problem of interference in the coexistence of multi-communication systems for IMT-ADV, and to select a frame configuration design suitable for coexistence scenarios according to the actual network deployment, to adapt to the scenario of multi-system coexistence configuration in the next-generation broadband mobile communication system. Therefore, the requirements of IMT-Advanced for system performance are met, so that different frame structures between multi-communication systems are compatible, and resource utilization is improved. FIG. 13 is a structural block diagram of a terminal according to an embodiment of the present invention. The terminal includes: a receiving module 132, a determining module 134, and an obtaining module 136. The foregoing structure is described in detail. The receiving module 132 receives a superframe configuration from a base station. The determining module 134 is connected to the receiving module 132 for determining whether to acquire the subframe configuration information according to the superframe configuration information received by the receiving module 132. The obtaining module 136 is connected to the determining module 134 for determining the module 134. If the configuration result of the superframe configuration information is that the configuration of the subframe in the unit frame indicating the superframe is a non-full uplink subframe or a non-full downlink subframe, the subframe configuration information is acquired. In the preferred embodiment, the acquisition of the superframe configuration information and the subframe configuration information by the terminal is implemented, so that different frame structures between the multiple communication systems are compatible, and resource utilization is improved. FIG. 14 is a block diagram showing the structure of a multi-communication system according to an embodiment of the present invention, which includes a base station 2 and a terminal 4. The structure of the base station 2 is the same as that of the base station described in FIG. 12. The structure of the terminal 4 is the same as that of the terminal shown in FIG. 13, and will not be described here. Preferred Embodiment 5 The present invention further provides a preferred embodiment, which combines the technical solutions of the foregoing preferred embodiments. FIG. 15 is a flowchart of a frame structure configuration according to a preferred embodiment of the present invention, which is described in detail below with reference to FIG. description. Step S1501: Configure a super subframe of the base station system and a specific subframe configuration in a unit frame according to a coexistence requirement between different communication systems. Preferably, the subframe configurations in different unit frames in the superframe may be the same or different. The superframe is composed of N unit frames, wherein the configuration features of each unit frame in the superframe are characterized by superframe frame configuration information. The superframe frame configuration information characterizes the configuration attributes of the N unit frames. Different unit frames in the superframe Multiple downlink subframes and/or uplink subframes are formed, and subframes in the frame structure define the same lms subframe length. According to different application scenarios, choose to set three different CP lengths, which are short CP, standard CP and long CP. The composition of a specific subframe is determined for different CP lengths. For example: Based on the subcarrier spacing (Af) of 12.5k, three different CP lengths are set for different application scenarios: short CP length is 2.5us, standard CP length is 9.375us, and long CP length is 16.875us. In the case of a short CP configuration, the OFDM symbol length is 82.5 us, in the case of a standard CP configuration, the OFDM symbol length is 89.375 us, and in the case of a long CP configuration, the OFDM symbol length is 96.875 us. Then, for 40 pairs of different CP configurations, the lms subframes respectively contain 12, 11 or 10 OFDM symbols and corresponding idle slots. Step S1502: The base station is configured to superframe frame configuration, and sends frame configuration information and/or subframe configuration information. Specifically, the terminal may be notified by transmitting a superframe frame configuration sequence number. For the case where the unit frame corresponding to the super frame frame configuration sequence number is X or Y, the base station system needs to further transmit the subframe configuration information of the corresponding unit frame, and specifically, the subframe number can be configured by sending the subframe. Step S1503: The terminal acquires superframe frame configuration information. The terminal is in the super frame frame configuration information, and determines whether the subframe configuration information of the corresponding unit frame needs to be further acquired. Preferably, if the super frame frame configuration information indicates the configuration of the subframe incomplete uplink subframe or the full downlink subframe in the corresponding unit frame, the terminal obtains the frame structure configuration information in the subframe configuration information corresponding to the unit frame. It should be noted that the present invention is also applicable to a mobile WiMAX system based on IEEE802.16m. The 20ms superframe is composed of four 5ms unit frames. The 4 unit frames in the superframe are configured with the same or different subframes. When all unit frames in the superframe use the same subframe configuration A, as in the superframe configuration sequence number 0 in Table 5, the system conversion point period is 5 ms. The four unit frames in the superframe are configured with different subframes, the unit frame 1 and the unit frame 3 in the superframe are configured with the same subframe A, and the unit frame 2 and the unit frame 4 in the superframe are used. Frame configuration A has the same or different subframe configuration B, as shown in superframe configuration number 2 in Table 5. The system conversion point period of unit frame 2 and unit frame 4 configured with subframes different from unit frame 1 and unit frame 3 is 10 ms. Table 5 superframe configuration

Unit frame number within the superframe

Superframe configuration sequence number

0 1 2 3

0 A A A A

1 ABAB It should be noted that the multi-communication system described in the device embodiment corresponds to the foregoing method embodiment, and the specific implementation process has been described in detail in the method embodiment, and details are not described herein again. By using the method of the present invention, by using the configurable subframe configuration of the unit frame in the super frame, the interference problem of the multi-communication system for IMT-ADV coexistence can be solved, and can be selected according to the actual network deployment. It is suitable for the frame configuration design of the coexistence scenario to adapt to the scenario of multi-system coexistence configuration in the next-generation broadband mobile communication system, thus meeting the requirements of IMT-Advanced for system performance. Obviously, those skilled in the art should understand that the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

Claims

Claim

1. A method of transmitting a message, comprising:

The superframe configuration information and the subframe configuration information are generated according to the coexistence configuration of the multi-communication system, wherein the coexistence configuration is configured to support a frame structure in which the multi-communication system coexists;

And configuring, according to the superframe configuration information, part or all of the unit frames of the superframe of the radio frame in the multi-communication system, where the superframe configuration information is used to indicate a configuration attribute of the unit frame;

And configuring the subframe in the unit frame according to the subframe configuration information, where the subframe configuration information is used to indicate a distribution attribute of the subframe;

Sending a message with the radio frame.

The method according to claim 1, wherein the type of the subframe includes at least one of the following: a downlink subframe, an uplink subframe, and a special subframe, where the special subframe refers to the subframe The downlink orthogonal frequency division multiplexing OFDM symbol and the uplink OFDM symbol are simultaneously included.

3. The method according to claim 1, wherein configuring part or all of the unit frames of the superframe of the radio frame in the multi-communication system according to the superframe configuration information comprises:

The partial or all of the unit frames are configured with the same or different subframe configurations according to the superframe configuration information.

The method according to claim 2, wherein configuring the subframe in the unit frame according to the subframe configuration information comprises:

Configuring the subframe in the unit frame according to the subframe configuration information to be one of the following formats: all the subframes are composed of downlink subframes, all of the subframes are composed of uplink subframes, and all the subframes are all The sub-frame is composed of a downlink sub-frame and an uplink sub-frame, and the sub-frame is composed of a downlink sub-frame and a special sub-frame, and the sub-frame is composed of an uplink sub-frame and a special sub-frame. The method according to claim 4, wherein the subframes are the same length.

6. The method according to claim 5, wherein the subframe is composed of a plurality of basic symbol units and / Or an idle time slot.

7. The method according to claim 6, wherein

The subframe includes 12 OFDM symbols and the idle time slot, where the cyclic prefix CP of the subframe is 2.5 us, and the subcarrier spacing is 12.5 k;

The subframe includes 11 OFDM symbols and the idle time slot, wherein the cyclic prefix CP of the subframe is 9.375 us, and the subcarrier spacing is 12.5 k;

The subframe includes 10 OFDM symbols and the idle time slot, wherein the cyclic prefix CP of the subframe is 16.875 us, and the subcarrier spacing is 12.5 k.

The method according to any one of claims 2 to 7, wherein

The superframe length is 20 ms, and the unit frame length is 5 ms;

The superframe length is 20 ms, and the unit frame length is 10 ms.

The method according to claim 1, wherein after the generating the superframe configuration information and the subframe configuration information according to the coexistence configuration of the multi-communication system, the method further includes:

Receiving, by the terminal, the superframe configuration information from the base station;

Determining whether to acquire the subframe configuration information according to the superframe configuration information.

10. The method according to claim 9, further comprising:

If the result of the determination is that the superframe configuration information is that the configuration of the subframe in the unit frame of the superframe is a non-full uplink subframe or a non-full downlink subframe, the terminal acquires the subframe configuration information.

11. A base station comprising:

a generating module, configured to generate superframe configuration information and subframe configuration information according to a coexistence configuration of the multi-communication system, wherein the coexistence configuration is a configuration of a frame structure that supports coexistence of the multi-communication system;

a first configuration module, configured to configure a part or all of a unit frame of a superframe of a radio frame in the multi-communication system according to the superframe configuration information, where the superframe configuration information is used to indicate a configuration attribute of the unit frame ;

a second configuration module, configured to configure a subframe in the unit frame according to the subframe configuration information, where the subframe configuration information is used to indicate a distribution attribute of the subframe; And a sending module, configured to send a message by using the wireless frame.

12. A terminal comprising:

The receiving module is configured to receive the superframe configuration information from the base station, and the determining module is configured to determine, according to the superframe configuration information, whether to acquire the subframe configuration information;

Obtaining a module, configured to determine that the superframe configuration information is that the configuration manner of the subframe in the unit frame of the superframe is a non-full uplink subframe or a non-full downlink subframe, and acquiring the subframe configuration information .

13. A multi-communication system, including:

The base station of claim 11 and the terminal of claim 12.