Data transmission method, device and storage medium

Abstract

The present application provides a data transmission method, a device and a storage medium, the data transmission method applied to a first communication node includes: detecting a first signal; and receiving a preamble information block based on a detection result of the first signal, the preamble information block including at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal and a second signal.

Description

[Technical field]

[0001] The present application relates to communications, for example to data transmission methods, devices and storage media. [Background technology]

[0002] After the terminal is started, it performs an initial access process without prior knowledge to realize entering the system. Because there is no prior information, the reception of synchronization signals and system messages in the initial access process will cause the terminal to consume a large amount of power. Summary of the Invention [Problem to be solved by the invention]

[0003] The embodiments of the present application provide a data transmission method, device and storage medium, which effectively reduce the power consumption of a first communication node. [Means for solving the problem]

[0004] The embodiment of the present application is A data transmission method applied to a first communication node, comprising: detecting a first signal; and receiving a preamble information block based on a detection result of the first signal, the preamble information block including at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal; A method for transmitting data is provided.

[0005] The embodiment of the present application is A data transmission method applied to a second communication node, comprising: transmitting a first signal for indicating transmission of a preamble information block; and transmitting a preamble information block, the preamble information block including at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal; A method for transmitting data is provided.

[0006] The embodiment of the present application is A data transmission method according to any one of the above embodiments, comprising: a memory; and one or more processors, the memory being configured to store one or more programs, the one or more processors implementing the data transmission method according to any one of the above embodiments when the one or more programs are executed by the one or more processors. A data transmission device is provided.

[0007] The embodiment of the present application is A computer program that, when executed by a processor, realizes the data transmission method according to any one of the above embodiments is stored. Provide a storage medium. [Brief description of the drawings]

[0008] [Figure 1] FIG. 2 is a flow diagram of a data transmission method according to an embodiment of the present application. [Diagram 2] FIG. 4 is a flow diagram of another data transmission method according to an embodiment of the present application. [Diagram 3] FIG. 2 is a schematic diagram of a receiving position configuration between a first signal and a preamble information block according to an embodiment of the present application; [Figure 4] FIG. 2 is a schematic diagram of the transmission of one preamble information block according to an embodiment of the present application; [Diagram 5] FIG. 11 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application; [Figure 6] FIG. 11 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application; [Figure 7] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 8] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 9] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 10] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 11] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 12] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 13] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 14] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 15] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 16] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 17] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 18] FIG. 11 is a schematic diagram of a transmission of yet another preamble information block according to an embodiment of the present application; [Figure 19] FIG. 2 is a schematic diagram of a transmission position configuration between a first signal and a preamble information block according to an embodiment of the present application; [Figure 20] FIG. 11 is a schematic diagram of a transmission position configuration between another first signal and a preamble information block according to an embodiment of the present application; [Figure 21] FIG. 11 is a schematic diagram of a transmission position configuration between another first signal and a preamble information block according to an embodiment of the present application; [Figure 22]FIG. 11 is a schematic diagram of a transmission position configuration between yet another first signal and a preamble information block according to an embodiment of the present application; [Figure 23] FIG. 2 is a structural block diagram of a data transmission device according to an embodiment of the present application; [Figure 24] FIG. 2 is a structural block diagram of another data transmission device according to an embodiment of the present application; [Diagram 25] FIG. 2 is a structural schematic diagram of a data transmission device according to an embodiment of the present application; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, the present application will be described with reference to the drawings, in which the examples are merely used to interpret the present application.

[0010] In the New Radio (NR) system, Primary Synchronization Signals (PSS), Secondary Synchronization Signals (SSS), and Physical Broadcast Channel (PBCH) are transmitted in the form of a synchronization system message block (Synchronization Signal and PBCH block (SSB)). User Equipment (UE) searches for a synchronization signal in a specific frequency bin, and when a synchronization signal is found, the UE demodulates the PBCH. The possible range of the transmission period of SSB is {5ms, 10ms, 20ms, 40ms, 80ms, 160ms}, and the default range of the transmission period is 20ms. One SSB occupies four Orthogonal Frequency Division Multiplexing (OFDM) symbols in the time domain and 20 Resource Blocks (RB) in the frequency domain.

[0011] In one embodiment, FIG. 1 is a flow diagram of one data transmission method according to an embodiment of the present application. This embodiment can be performed by a data transmission device. Here, the data transmission device may be a first communication node. Exemplarily, the first communication node may be a terminal side (e.g., a user equipment). As shown in FIG. 1, this embodiment includes S110 to S120.

[0012] S110, detecting a first signal.

[0013] S120, receiving a preamble information block based on a detection result of the first signal.

[0014] The preamble information block includes at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal.

[0015] In an embodiment, the first signal includes at least one of a binary amplitude shift keying (2ASK) signal and a signal consisting of at least one sequence.

[0016] In the actual operation process, the first communication node detects the first signal and receives the preamble information block according to the detection result of the first signal. In the embodiment, the preamble information block includes at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal. In the embodiment, the first communication node receives the preamble information block when the first signal is detected. A low power consumption receiver is disposed in the first communication node, and the first communication node continuously detects the first signal by the low power consumption receiver, and turns on the host to receive the preamble information block after detecting the first signal. When the first communication node does not detect the first signal, the primary receiver of the first communication node is in a shutdown state, so that the power consumption of the first communication node can be reduced.

[0017] In one embodiment, receiving a preamble information block based on a result of detecting the first signal includes starting to receive the preamble information block based on first information when the first signal is detected, the first information being used to identify a receiving position of the preamble information block. In an embodiment, the first communication node starts to receive the preamble information block based on the first information when the first signal is detected. In an embodiment, the first information may be obtained by detecting the first signal, or may be carried or indicated in the first signal, but is not limited thereto.

[0018] In one embodiment, the first information comprises a frequency domain location at which the first signal was detected, a time domain location at which the first signal was detected, an indication of the frequency domain location carried by the first signal, an indication of the time domain location carried by the first signal, and index information corresponding to the first signal.

[0019] In an embodiment, the first communication node, when the first signal is detected, can identify a frequency domain location of the preamble information block corresponding to the signal and / or channel based on the frequency domain location where the first signal is detected. In an embodiment, the first communication node, when the first signal is detected, can identify a frequency domain location of the preamble information block corresponding to the signal and / or channel based on the time domain location where the first signal is detected. In an embodiment, the first communication node, when the first signal is detected, can identify a frequency domain location of the preamble information block corresponding to the signal and / or channel based on the indication of the frequency domain location carried in the first signal. In an embodiment, the first communication node, when the first signal is detected, can identify a time domain location of the preamble information block corresponding to the signal and / or channel based on the indication of the time domain location carried in the first signal. In an embodiment, the first communication node, when the first signal is detected, can identify a time domain and / or frequency domain location of the preamble information block corresponding to the signal and / or channel based on the index information carried in the first signal.

[0020] In one embodiment, receiving a preamble information block based on a detection result of the first signal includes receiving the preamble information block when a first signal is detected, and a mapping relationship between the first signal and the preamble information block is predefined. In an embodiment, the first communication node can receive the preamble information block based on the mapping relationship between the preamble information block and the first signal when the first signal is detected.

[0021] In one embodiment, the mapping relationship between the first signal and the preamble information block includes at least one of: a mapping relationship between an index of the first signal and a frequency domain location of the preamble information block; a mapping relationship between an index of the first signal and a time domain location of the preamble information block; a mapping relationship between an index of the first signal and a time-frequency domain location of the preamble information block; a mapping relationship between a frequency domain location where the first signal is detected and a frequency domain location of the preamble information block; a mapping relationship between a frequency domain location where the first signal is detected and a time-frequency domain location of the preamble information block; a mapping relationship between a time domain location where the first signal is detected and a time-frequency domain location of the preamble information block; and a mapping relationship between a time domain location where the first signal is detected and a time-frequency domain location of the preamble information block.

[0022] In one embodiment, the first communication node begins receiving the preamble information block if the first signal has not been detected within a preset duration after the first signal was last detected, where the preset duration may be preconfigured or predefined.

[0023] In one embodiment, receiving the preamble information block based on the detection result of the first signal includes receiving the preamble information block when the first signal is detected and assuming that the preamble information block is transmitted periodically. In the embodiment, the first communication node receives the preamble information block when the first signal is detected, and assumes that the second communication node transmits the preamble information block periodically during the process of the first communication node receiving the preamble information block.

[0024] In one embodiment, receiving a preamble information block and periodically transmitting the preamble information block includes: if the preamble information block includes a synchronization system information block, receiving the preamble information block and assuming that the synchronization system message block is periodically transmitted; if the preamble information block includes a synchronization system message block and a secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization system message block and the secondary system message bearer channel are sequentially periodically transmitted; if the preamble information block includes a synchronization system message block and a secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization system message block and the secondary system message bearer channel are transmitted with the same period; if the preamble information block includes a synchronization signal and a primary system message bearer channel, receiving the preamble information block and assuming that the synchronization system message block and the secondary system message bearer channel are transmitted with the same period; and assume that the synchronization signal and the primary system message bearer channel are transmitted in a sequential and periodic manner; if the preamble information block contains a synchronization signal and a primary system message bearer channel, receive the preamble information block and assume that the synchronization signal and the primary system message bearer channel are transmitted in the same period; if the preamble information block contains a synchronization signal and a synchronization system message block, receive the preamble information block and assume that the synchronization signal and the synchronization system message block are transmitted in a sequential and periodic manner; if the preamble information block contains a synchronization signal and a synchronization system message block, receive the preamble information block and assume that the synchronization signal and the synchronization system message block are transmitted in the same period; if the preamble information block contains a synchronization signal, a primary system message bearer channel and a secondary system message bearer channel, receive the preamble information block and assume that the synchronization signal,The method includes at least one of: assuming that the primary system message bearer channel and the secondary system message bearer channel are transmitted periodically in sequence; if the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization signal and the primary system message bearer channel are transmitted in the same period and then the secondary system message bearer channel is transmitted periodically; if the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel are transmitted in the same period.

[0025] In one embodiment, receiving the preamble information block based on the detection result of the first signal includes first detecting the second signal when the preamble information block includes the second signal, and receiving other channels and / or signals of the preamble information block based on the detection result of the second signal. In an embodiment, when the preamble information block includes the second signal, the first communication node starts receiving other channels and / or signals of the preamble information block when the second signal is detected.

[0026] In an embodiment, Fig. 2 is a flow diagram of another data transmission method according to an embodiment of the present application. This embodiment can be performed by a data transmission device. Here, the data transmission device can be a base station side. As shown in Fig. 2, this embodiment includes S210 to S220.

[0027] S210, transmitting a first signal.

[0028] The first signal is for indicating transmission of a preamble information block.

[0029] S220, transmitting a preamble information block.

[0030] The preamble information block includes at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal.

[0031] In an embodiment, the second communication node transmits a first signal to the first communication node, and then the second communication node transmits a preamble information block. In this embodiment, the second communication node transmits the first signal, and then the second communication node transmits the preamble information block, so that the first communication node turns on the host to receive the preamble information block after the first signal is received, and the power consumption of the first communication node is saved.

[0032] In one embodiment, the second communication node periodically transmits a preamble information block.

[0033] In one embodiment, the preamble information block includes a synchronization system message block, and transmitting the preamble information block includes transmitting the synchronization system message block periodically at the first time unit.

[0034] In one embodiment, the preamble information block includes a synchronous system message block and a secondary system message bearer channel, and transmitting the preamble information block includes one of: transmitting the synchronous system message block with a period of a first time unit, and then transmitting the secondary system message bearer channel with a period of a second time unit; and transmitting the synchronous system message block and the secondary system message bearer channel with a period of a third time unit, and the start position of the secondary system message bearer channel is predefined and identified based on at least one of an indication of the synchronous system message block, the number of synchronous system message blocks included in the preamble information block, and the number of secondary system message bearer channels included in the preamble information block.

[0035] In one embodiment, if the preamble information block includes a synchronous system message block and a secondary system message bearer channel, the second communication node first transmits the synchronous system message block with a period of the first time unit, and then transmits the secondary system message bearer channel with a period of the second time unit. In one embodiment, if the preamble information block includes a synchronous system message block and a secondary system message bearer channel, the second communication node transmits the synchronous system message block with a period of the first time unit, and then transmits the secondary system message bearer channel with a period of the second time unit after a certain time. In one embodiment, if the preamble information block includes a synchronous system message block and a secondary system message bearer channel, the second communication node transmits the synchronous system message block and the secondary system message bearer channel with a period of the third time unit. In one embodiment, when the second communication node transmits a synchronous system message block and a secondary system message bearer channel with a period of the third time unit, the start position of the secondary system message bearer channel may be predefined, may be indicated by the synchronous system message block, may be determined based on the number of synchronous system message blocks included in the preamble information block, may be determined based on the number of secondary system message bearer channels included in the preamble information block, or may be determined based on the number of synchronous system message blocks and secondary system message bearer channels included in the preamble information block, and are not limited thereto.

[0036] In one embodiment, the preamble information block includes a synchronization signal and a primary system message bearer channel, and transmitting the preamble information block includes at least one of: first transmitting a synchronization signal with a period of a fourth time unit, and then transmitting the primary system message bearer channel with a period of a fifth time unit; and transmitting the synchronization signal and the primary system message bearer channel with a period of a sixth time unit, and the start position of the primary system message bearer channel is predefined and identified based on at least one of an indication of a synchronization signal, the number of synchronization signals included in the preamble information block, and the number of primary system message bearer channels included in the preamble information block.

[0037] In one embodiment, if the preamble information block includes a synchronization signal and a primary system message bearer channel, the second communication node transmits a synchronization signal with a period of the fourth time unit, and then transmits the primary system message bearer channel with a period of the fifth time unit. In one embodiment, if the preamble information block includes a synchronization signal and a primary system message bearer channel, the second communication node transmits a synchronization signal with a period of the fourth time unit, and then transmits the primary system message bearer channel with a period of the fifth time unit after a certain time. In one embodiment, if the preamble information block includes a synchronization signal and a primary system message bearer channel, the second communication node transmits a synchronization signal and a primary system message bearer channel with a period of the sixth time unit. In one embodiment, when the second communication node transmits a synchronization signal and a primary system message bearer channel with a period of the sixth time unit, the start position of the primary system message bearer channel may be predefined, may be indicated by the synchronization signal, may be determined based on the number of synchronization signals included in the preamble information block, may be determined based on the number of primary system message bearer channels included in the preamble information block, or may be determined based on the number of synchronization signals and primary system message bearer channels included in the preamble information block, and are not limited thereto.

[0038] In one embodiment, the preamble information block includes a synchronization signal and a synchronization system message block, and transmitting the preamble information block includes at least one of: first transmitting a synchronization signal with a period of the seventh time unit, and then transmitting the synchronization system message block with a period of the eighth time unit; and transmitting the synchronization signal and the synchronization system message block with a period of the ninth time unit, and the starting position of the synchronization system message block is predefined and is identified based on at least one of an indication of the synchronization signal, the number of synchronization signals included in the preamble information block, and the number of synchronization system message blocks included in the preamble information block.

[0039] In one embodiment, if the preamble information block includes a synchronization signal and a synchronization system message block, the second communication node transmits a synchronization signal to the first communication node with a period of seventh time units, and then transmits a synchronization system message block with a period of eighth time units. In one embodiment, if the preamble information block includes a synchronization signal and a synchronization system message block, the second communication node transmits a synchronization signal to the first communication node with a period of seventh time units, and then transmits a synchronization system message block with a period of eighth time units after a certain time. In one embodiment, if the preamble information block includes a synchronization signal and a synchronization system message block, the second communication node transmits a synchronization signal and a synchronization system message block to the first communication node with a period of ninth time units. In one embodiment, when a second communication node transmits a synchronization signal and a synchronization system message block to a first communication node at a period of the 9th time unit, the starting position of the synchronization system message block may be predefined, may be indicated by the synchronization signal, may be determined based on the number of synchronization signals included in the preamble information block, may be determined based on the number of synchronization system message blocks included in the preamble information block, or may be determined based on the number of synchronization signals and synchronization system message blocks included in the preamble information block, and are not limited thereto.

[0040] In one embodiment, the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel; and transmitting the preamble information block includes first transmitting a synchronization signal with a period of a tenth time unit, then transmitting the primary system message bearer channel with a period of an eleventh time unit, and then transmitting the secondary system message bearer channel with a period of a twelfth time unit; first transmitting the synchronization signal and the primary system message bearer channel with a period of a thirteenth time unit, and then transmitting the secondary system message bearer channel with a period of a fourteenth time unit; and wherein a start position of the primary system message bearer channel is predefined by the number of synchronization signals included in the preamble information block, the number of primary system message bearer channels included in the preamble information block, and an indication of a synchronization signal. and transmitting a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel with a period of 15 time units; a start position of the primary system message bearer channel is determined based on at least one of the number of synchronization signals included in the preamble information block, the number of primary system message bearer channels included in the preamble information block, an indication of a synchronization signal, and being predefined; and a start position of the secondary system message bearer channel is determined based on at least one of the number of synchronization signals included in the preamble information block, the number of primary system message bearer channels included in the preamble information block, the number of secondary system message bearer channels included in the preamble information block, an indication of a synchronization signal, and being predefined.

[0041] In one embodiment, when the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, the second communication node may first transmit a synchronization signal with a period of 10 time units, then transmit the primary system message bearer channel with a period of 11 time units, and finally transmit the secondary system message bearer channel with a period of 12 time units. In one embodiment, when the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, the second communication node may first transmit a synchronization signal with a period of 10 time units, then transmit the primary system message bearer channel with a period of 11 time units after a certain time, and finally transmit the secondary system message bearer channel with a period of 12 time units after a certain time. In one embodiment, when the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, the second communication node may first transmit a synchronization signal with a period of 10 time units, then transmit the primary system message bearer channel with a period of 11 time units after a certain time, and finally transmit the secondary system message bearer channel with a period of 12 time units. In one embodiment, when the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, the second communication node may first transmit a synchronization signal with a period of 10 time units, then transmit the primary system message bearer channel with a period of 11 time units, then transmit the secondary system message bearer channel with a period of 12 time units after a certain time.

[0042] In one embodiment, when the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, the second communication node may first transmit the synchronization signal and the primary system message bearer channel with a period of 13 time units, and then transmit the secondary system message bearer channel with a period of 14 time units. In one embodiment, when the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, the second communication node may first transmit the synchronization signal and the primary system message bearer channel with a period of 13 time units, and then transmit the secondary system message bearer channel with a period of 14 time units after a certain time. In one embodiment, when the second communication node first transmits a synchronization signal and a primary system message bearer channel with a period of the 13th time unit, and then transmits a secondary system message bearer channel with a period of the 14th time unit, the start position of the primary system message bearer channel may be predefined, may be indicated by the synchronization signal, may be determined based on the number of synchronization signals included in the preamble information block, may be determined based on the number of primary system message bearer channels included in the preamble information block, or may be determined based on the number of synchronization signals and primary system message bearer channels included in the preamble information block, and are not limited thereto.

[0043] In one embodiment, when the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, the second communication node may directly transmit the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel to the first communication node with a period of 15 time units. In one embodiment, when the second communication node transmits the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel to the first communication node with a period of 15 time units, the start position of the primary system message bearer channel may be predefined, may be indicated by the synchronization signal, may be specified based on the number of synchronization signals included in the preamble information block, may be specified based on the number of primary system message bearer channels included in the preamble information block, or may be specified based on the number of synchronization signals and primary system message bearer channels included in the preamble information block, but is not limited thereto. In one embodiment, when a second communication node transmits a synchronization signal, a primary system message bearer channel and a secondary system message bearer channel to a first communication node with a period of the 15th time unit, the start position of the secondary system message bearer channel may be predefined, may be indicated by the synchronization signal, or may be identified based on at least one of the number of synchronization signals, the number of primary system message bearer channels and the number of secondary system message bearer channels included in the preamble information block, and these are not limited to these.

[0044] In one embodiment, when the synchronization signal includes a first sub-synchronous signal and a second sub-synchronous signal, periodically transmitting the synchronization signal includes first transmitting the first sub-synchronous signal continuously and then transmitting the second sub-synchronous signal periodically, or first transmitting the first sub-synchronous signal in a first sub-period and then transmitting the second sub-synchronous signal in a second sub-period, and in an embodiment, the second communication node first transmits the first sub-synchronous signal continuously and then transmits the second sub-synchronous signal periodically.

[0045] In one embodiment, the preamble information block includes a first reference signal, and transmitting the preamble information block includes transmitting the first reference signal at a periodic interval of 16 time units. In one embodiment, the first reference signal is a reference signal for decoding or other aiding operations. By way of example, the first reference signal may include, but is not limited to, a Tracking Reference Signal (TRS).

[0046] In one embodiment, transmitting the preamble information block includes transmitting the preamble information block based on first information, the first information being for indicating a transmission position of the preamble information block. In an embodiment, the second communication node transmits the preamble information block to the first communication node based on the first information after transmitting the first signal.

[0047] In one embodiment, the first information includes a frequency domain location where the first signal was transmitted, a time domain location where the first signal was transmitted, an indication of the frequency domain location, an indication of the time domain location, and index information. In one embodiment, the second communication node may, after transmitting the first signal, determine a frequency domain location of the preamble information block corresponding to the transmission of the signal and / or channel based on the frequency domain location where the first signal was transmitted. In one embodiment, the second communication node may, after transmitting the first signal, determine a time domain location of the preamble information block corresponding to the transmission of the signal and / or channel based on the time domain location where the first signal was transmitted. In one embodiment, the second communication node may, after transmitting the first signal, determine a frequency domain location of the preamble information block corresponding to the transmission of the signal and / or channel based on the indication of the frequency domain location carried in the first signal. In one embodiment, the second communication node may, after transmitting the first signal, identify a time domain location of the preamble information block corresponding to the transmission of the signal and / or channel based on the time domain location indication information carried in the first signal. In one embodiment, the second communication node may, after transmitting the first signal, identify a time domain and / or frequency domain location of the preamble information block corresponding to the transmission of the signal and / or channel based on the index information carried in the first signal.

[0048] In one embodiment, transmitting a preamble information block includes transmitting a preamble information block corresponding to the first signal based on a mapping relationship between the first signal and the preamble information block. In an embodiment, the mapping relationship between the first signal and the preamble information block is predefined. In an embodiment, after transmitting the first signal, the second communication node starts to transmit the corresponding preamble information block based on the mapping relationship between the preamble information block and the first signal.

[0049] In one embodiment, the mapping relationship between the first signal and the preamble information block includes at least one of the following: a mapping relationship between an index of the first signal and a frequency domain position of the preamble information block; a mapping relationship between an index of the first signal and a time domain position of the preamble information block; a mapping relationship between an index of the first signal and a time-frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a time-frequency domain position of the preamble information block; a mapping relationship between a time domain position where the first signal is detected and a time domain position of the preamble information block; and a mapping relationship between a time domain position where the first signal is detected and a time-frequency domain position of the preamble information block.

[0050] In one embodiment, the first signal includes at least one of a binary amplitude shift keying signal and a signal consisting of at least one sequence.

[0051] In one embodiment, if the preamble information block includes a second signal, transmitting the preamble information block further includes one of: first transmitting the second signal and then transmitting other channels and / or signals of the preamble information block; if the first signal indicates that the cell state is open, transmitting the second signal and then transmitting other channels and / or signals of the preamble information block; and if the first signal indicates that the cell state is closed, not transmitting the preamble information block.

[0052] In an embodiment, the first signal and the second signal can be used to jointly determine whether to transmit the preamble information block. In an embodiment, if the preamble information block includes the second signal, the second signal is transmitted first, and then other channels and / or signals in the preamble information block are transmitted, i.e., the first signal triggers the transmission of the second signal, and then the second signal triggers the transmission of other channels and / or information in the preamble information block.

[0053] In one embodiment, the first communication node is a terminal, the second communication node is a base station, and the first signal is a 2ASK signal or a signal consisting of at least one sequence, where the sequence may be a ZC sequence, a pseudo-noise (PN) sequence, an M sequence, a computer search sequence, etc. The receiving process of the preamble information block is described.

[0054] Example 1: a terminal starts receiving a preamble information block at frequency domain location f1 when a first signal is detected at frequency domain location f1.

[0055] Example 2: When a first signal is detected at frequency domain position f1, the terminal starts receiving a preamble information block within a frequency domain range (f1-k1, f1+k1), where the value of k1 can be specified in advance.

[0056] Example 3: when a first signal is detected at frequency domain position f1, the terminal starts receiving a preamble information block with f1 as a reference point.

[0057] Example 4: when a first signal is detected at a time domain location t1, a terminal starts receiving a preamble information block at a frequency domain location t1+k2, where k2 is determined by one of one or more pre-specified values, terminal capabilities, the frequency domain location where the first signal is present, and the frequency domain location where the preamble information block is present.

[0058] Example 5: the terminal may start receiving the preamble information block at frequency domain location f2 when the first signal is detected and the indication information of the frequency domain location carried by the first signal is f2.

[0059] Example 6: when the first signal is detected and the indication information of the frequency domain location carried by the first signal is the frequency domain location f2, the terminal can start receiving the preamble information block within the range of frequency domain location (f2-k3, f2+k3), where the value of k3 can be specified in advance, and when the terminal detects the first signal, the first signal is a signal consisting of at least one sequence.

[0060] Example 7: When a first signal is detected at frequency domain position f1 and the indication information of the frequency domain position carried by the first signal is frequency domain position f2, the terminal starts receiving a preamble information block within the range of frequency domain positions (f1-f2, f1+f2) or (f2-f1, f2+f1).

[0061] Example 8: The terminal starts receiving a preamble information block at time domain position t1+k2 when a first signal is detected at time domain position t1 and the indication of the time domain position carried by the first signal is at time domain position t2.

[0062] Example 9: When a first signal is detected and the information carried in the first signal is index information, the terminal determines a position at which to start receiving the preamble information block based on the index information and the relationship between the index and the time domain position of the preamble information block. Illustratively, as shown in Table 1, if the index in the index information is 1, the terminal starts receiving the preamble information block m1 milliseconds after receiving the first signal, if the index is 2, the terminal starts receiving the preamble information block m2 milliseconds after receiving the first signal, and so on. [Table 1]

[0063] Example 10, when a first signal is detected and the information carried by the first signal is index information, the terminal determines the position at which to start receiving the preamble information block according to the index information and the relationship between the index and the frequency domain position of the preamble information block. Illustratively, as shown in Table 2, when the index in the index information is 1, the terminal starts to receive the preamble information block at the frequency domain position f1 after receiving the first signal, and when the index information is 2, the terminal starts to receive the preamble information block at the frequency domain position f2 after receiving the first signal. [Table 2]

[0064] Example 11: When a first signal is detected and the information carried by the first signal is index information, the terminal determines a position at which to start receiving a preamble information block based on the index information and the relationship between the index and the time-frequency domain position of the preamble information block. Illustratively, as shown in Table 3, if the index in the index information is 1, the terminal starts to receive the preamble information block at frequency domain position f1 after receiving the first signal, or starts to receive the preamble information block m1 milliseconds after receiving the first signal; if the index information is 2, the terminal starts to receive the preamble information block at frequency domain position f2 after receiving the first signal, or starts to receive the preamble information block m2 milliseconds after receiving the first signal; and so on. [Table 3]

[0065] Example 12: When a first signal is detected at frequency domain position f1, the terminal begins receiving a preamble information block based on a predefined mapping relationship between the first signal and the preamble information block, where the relationship between the first signal and the preamble information block is a relationship between the frequency domain position of the first signal and the time-frequency domain position of the preamble information block, as shown in Table 4 below, the terminal begins receiving the preamble information block at a frequency domain position of f1 and a time domain position of m1 milliseconds after the first signal. [Table 4]

[0066] Example 13: the terminal starts receiving the preamble information block when the first signal is detected but the first signal is not detected within Z1 time units after the detection of the first signal. If the terminal detects the first signal, it is assumed that the first signal is a 2ASK signal. Figure 3 is a schematic diagram of a receiving position configuration between one first signal and a preamble information block according to an embodiment of the present application. As shown in Figure 3, the terminal starts receiving the preamble information block when the first signal is not detected within Z1 time units after the reception of the first signal. Illustratively, the first signal is received by a separate module, and the preamble information block is received by turning on the host.

[0067] Example 14: The terminal starts receiving the preamble information block when the first signal is not detected within Z2 time units after the host is turned on, and assumes that the first signal is a 2ASK signal when the terminal detects the first signal. Illustratively, the first signal is received by a separate module, and the preamble information block is received by turning on the host.

[0068] In one embodiment, when a terminal receives a preamble information block, it assumes that one or more channels or signals in the preamble information block are transmitted periodically.

[0069] In one embodiment, when a second signal is included in the preamble information block, the terminal first detects the second signal, and identifies reception of other channels and / or signals in the preamble information block based on the detection result of the second signal.

[0070] In one embodiment, when the first communication node is a terminal, the second communication node is a base station, and the preamble information block includes one or more of N synchronization system message blocks, K synchronization signals, L primary system message bearer channels, M secondary system message bearer channels, and S first reference signals, the relationship between the transmission of a first signal by the base station and the transmission of the preamble information block is described.

[0071] Example 1: Figure 4 is a schematic diagram of a transmission of one preamble information block according to an embodiment of the present application. As shown in Figure 4, when the preamble information block includes N synchronization system message blocks, the base station transmits the N synchronization system message blocks in a period of the first time unit.

[0072] Example 2, Figure 5 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Figure 5, when the preamble information block includes N synchronous system message blocks and M secondary system message bearer channels, the base station transmits the N synchronous system message blocks in a period of a first time unit, and then transmits the M secondary system message bearer channels in a period of a second time unit.

[0073] Example 3, Fig. 6 is another schematic diagram of a preamble information block transmission according to an embodiment of the present application. As shown in Fig. 6, when a preamble information block includes N synchronization system blocks and M secondary system message bearer channels, a base station transmits N synchronization system message blocks in a first time unit cycle, and then transmits M secondary system message bearer channels in a second time unit cycle, where the N synchronization system message blocks are followed by a certain time delay before transmitting the M secondary system message bearer channels.

[0074] Example 4, Fig. 7 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Fig. 7, when the preamble information block includes N synchronous system blocks and M secondary system message bearer channels, the base station transmits the synchronous system message block and the secondary system message bearer channel in a period of the third time unit. Here, the secondary system message bearer channel starts to be transmitted after the N-M+1th synchronous system message block.

[0075] Example 5, Fig. 8 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Fig. 8, when the preamble information block includes N synchronous system blocks and M secondary system message bearer channels, the base station transmits the synchronous system message block and the secondary system message bearer channel with a period of the third time unit. Here, the starting position of the secondary system message bearer channel may be after the Qth synchronous system message. Here, the value of Q may be preset, or the starting position of the secondary system message bearer channel may be indicated by the synchronous system message block.

[0076] Example 6, Figure 9 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Figure 9, when the preamble information block includes K synchronization signals and L primary system message bearer channels, the base station transmits K synchronization signals in a period of 4 time units, and then transmits L primary system message bearer channels in a period of 5 time units.

[0077] Example 7, Figure 10 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Figure 10, when the preamble information block includes K synchronization signals and L primary system message bearer channels, the base station transmits K synchronization signals in a period of 4 time units, and then transmits L primary system message bearer channels in a period of 5 time units after a certain time.

[0078] Example 8, Fig. 11 is a schematic diagram of transmission of another preamble information block according to an embodiment of the present application. As shown in Fig. 11, when the preamble information block includes K synchronization signals and L primary system message bearer channels, the base station transmits the synchronization signal and the primary system message bearer channel with a period of the sixth time unit. Here, the primary system message bearer channel starts to be transmitted after the K-L+1th synchronization signal. Or, the starting position of the primary system message bearer channel is a position after the Tth synchronization signal. Here, the value of T may be specified in advance or may be carried by the synchronization signal.

[0079] Example 9, Fig. 12 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Fig. 12, when the preamble information block includes K synchronization signals and N synchronization system message blocks, the base station transmits K synchronization signals in a period of the seventh time unit, and then transmits N synchronization system message blocks in a period of the eighth time unit.

[0080] Example 10, Fig. 13 is a schematic diagram of transmission of another preamble information block according to an embodiment of the present application. As shown in Fig. 13, when the preamble information block includes K synchronization signals and N synchronization system message blocks, the base station transmits the synchronization signal and the synchronization system message block to the first communication node in a 9th time unit cycle. Here, the synchronization system message block may start to be transmitted from the K-N+1th synchronization signal, or the synchronization system message block may be located after the Pth synchronization signal. Here, the value of P may be predefined or may be indicated by the synchronization signal.

[0081] Example 9, Figure 14 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Figure 14, when the preamble information block includes K synchronization signals, L primary system message bearer channels and M secondary system message bearer channels, the base station transmits K synchronization signals in a period of 10 time units, then transmits L primary system message bearer channels in a period of 11 time units, and then transmits M secondary system message bearer channels in a period of 12 time units.

[0082] Example 10: when the preamble information block is K synchronization signals, L primary system message bearer channels and M secondary system message bearer channels, the base station transmits K synchronization signals with a period of 10th time units, then transmits L primary system message bearer channels with a period of 11th time units, then transmits M secondary system message bearer channels with a period of 12th time units, where there is an interval between the synchronization signals and the primary system message bearer channels, and the interval value may be predefined or may be carried by the synchronization channel; there is an interval between the primary system message bearer channels and the secondary system message bearer channels, and the interval value may be predefined or may be carried by the primary system message bearer channels.

[0083] Example 11, Figure 15 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Figure 15, when the preamble information block is K synchronization signals, L primary system message bearer channels and M secondary system message bearer channels, the base station transmits the synchronization signal and the primary system message bearer channel in a period of 13th time unit, and then transmits the M secondary system message bearer channels in a period of 14th time unit. Here, the primary system message bearer channel starts to be transmitted from the K-L+1th synchronization signal.

[0084] Example 11, Figure 16 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Figure 16, when the preamble information block is K synchronization signals, L primary system message bearer channels and M secondary system message bearer channels, the base station transmits the synchronization signal, the primary system message bearer channel and M secondary system message bearer channels with a period of 15th time unit. Here, the primary system message bearer channel starts to be transmitted from the K-L+1th synchronization signal, and the secondary system message bearer channel starts to be transmitted from the L-M+1th primary system message bearer channel. Or, the starting positions of the primary system message bearer channel and the secondary system message bearer channel are specified in advance.

[0085] Fig. 17 is a schematic diagram of transmission of another preamble information block according to an embodiment of the present application. As shown in Fig. 17, in the above example 1 to example 11, when the preamble information block includes K synchronization signals, and the synchronization signal is composed of a first sub-synchronization signal and a second sub-synchronization signal, the base station transmits the synchronization signal including the base station first transmitting the K first sub-synchronization signals, and then periodically transmitting the second sub-synchronization signal.

[0086] Example 12, Figure 18 is a schematic diagram of another preamble information block transmission according to an embodiment of the present application. As shown in Figure 18, when the preamble information block includes Q TRSs, the base station transmits the Q TRSs in a period of 16 time units.

[0087] In one embodiment, when the base station transmits the first signal, it transmits the first signal with 2ASK modulation.

[0088] In one embodiment, the base station transmitting the preamble information block includes the base station transmitting the preamble information block based on first information, where the first information is identified by the first signal.

[0089] In one embodiment, when the first information includes a frequency domain location at which the first signal was transmitted, the base station transmitting the preamble information block based on the first information includes the base station identifying a frequency domain location corresponding to transmission of the preamble information block based at least on the frequency domain location at which the first signal was transmitted.

[0090] In one embodiment, when the first information includes a time domain location at which the first signal was transmitted, the base station transmitting the preamble information block based on the first information includes the base station determining a time domain location corresponding to transmission of the preamble information block based at least on the time domain location at which the first signal was transmitted.

[0091] In one embodiment, when the first information includes an indication of a frequency domain location carried in the first signal, the base station transmitting the preamble information block based on the first information includes the base station identifying a frequency domain location corresponding to the transmission of the preamble information block based on at least the indication of the frequency domain location.

[0092] In one embodiment, when the first information includes an indication of a time domain location carried in the first signal, the base station transmitting the preamble information block based on the first information includes the base station identifying a time domain location corresponding to the transmission of the preamble information block based on at least the indication of the time domain location.

[0093] In one embodiment, when the first information includes index information corresponding to the first signal, the base station transmitting a preamble information block based on the first information includes the base station identifying a time domain and / or frequency domain location corresponding to transmission of the preamble information block based on at least the index information.

[0094] In one embodiment, the base station may identify the transmission of the preamble information block based on a mapping relationship between the first signal and the preamble information block, where the relationship between the first signal and the preamble information block may be predefined.

[0095] In one embodiment, the mapping relationship between the first signal and the preamble information block includes one or more of the following: a relationship between an index of the first signal and a frequency domain position corresponding to the preamble information block, or a relationship between an index of the first signal and a time domain position corresponding to the preamble information block, or a relationship between an index of the first signal and a time-frequency domain position corresponding to the preamble information block, or a relationship between a frequency domain position of the first signal and a frequency domain position corresponding to the preamble information block, or a relationship between a frequency domain position of the first signal and a time-frequency domain position corresponding to the preamble information block, or a relationship between a time domain position of the first signal and a time domain position corresponding to the preamble information block, or a relationship between a time domain position of the first signal and a time-frequency domain position corresponding to the preamble information block.

[0096] In one embodiment, Figure 19 is a schematic diagram of a transmission position configuration between one first signal and a preamble information block according to an embodiment of the present application. As shown in Figure 19, after a base station transmits a first signal, the base station starts to transmit a preamble information block. Here, if the base station does not transmit the first signal, the base station does not transmit the preamble information block.

[0097] In one embodiment, Figure 20 is a schematic diagram of a transmission position configuration between another first signal and a preamble information block according to an embodiment of the present application. As shown in Figure 20, after a base station transmits a first signal, the base station identifies the transmission of a preamble information block based on first information corresponding to the first signal. Here, the first information is a frequency domain position where the first signal is transmitted, and the preamble information block is N synchronization system message blocks. Assuming that the base station transmits a first signal in frequency bin f1, the base station transmits N synchronization system message blocks in frequency bin f1 with a period of a first time unit.

[0098] In one embodiment, Figure 21 is a schematic diagram of a transmission position configuration between another first signal and a preamble information block according to an embodiment of the present application. As shown in Figure 21, after a base station transmits a first signal, the base station determines the transmission of a preamble information block based on first information corresponding to the first signal. Here, the first information is a time domain position where the first signal is transmitted, and the preamble information block is N synchronization system message blocks and M secondary system message bearer channels. When a base station transmits a first signal at a time domain position t, the base station transmits N synchronization system message blocks with a period of a first time unit at a time domain position t+k2, and then transmits M secondary system message bearer channels with a period of a second time unit.

[0099] In one embodiment, Figure 22 is yet another schematic diagram of the transmission position configuration between the first signal and the preamble information block according to an embodiment of the present application. As shown in Figure 22, after the base station transmits the first signal, it determines the transmission of the preamble information block based on the relationship between the first signal and the preamble information block, where the mapping relationship between the first signal and the preamble information block is the relationship between the frequency domain position of the first signal and the time-frequency domain position corresponding to the preamble information block, which are K synchronization signals, L primary system message bearer channels and M secondary system message bearer channels, as shown in Table 4. When the base station transmits the first signal at the frequency domain position f2, it transmits the synchronization signal and the primary system message bearer channel at the time domain position t+m2, and transmits the M secondary system message bearer channels at the time domain position f2 with a period of the 13th time unit, and then transmits the M secondary system message bearer channels with a period of the 14th time unit. Here, the primary system message bearer channel starts to be transmitted from the K-L+1th synchronization signal, as shown in Figure 22.

[0100] The time domain positions of both shown in FIG. 22 when the primary system message bearer channel starts to be transmitted from the K-L+1th synchronization signal are just one schematic diagram, and both may be transmitted using other time domain positions. For example, assuming that the synchronization signal consists of two sub-synchronization signals, which are the first sub-synchronization signal and the second sub-synchronization signal respectively, the relationship of both time domain positions may be that the first sub-synchronization signal, the primary system message bearer signal and the second sub-synchronization signal, or the synchronization signal is located on the primary system message bearer channel.

[0101] In the above embodiments, the time unit is a time domain length of one or more of ns slots, nsf subframes, and nf radio frames.

[0102] In one embodiment, when the first communication node is a terminal, the second communication node is a base station, and the preamble information block includes one or more of a second signal, N synchronization system message blocks, K synchronization signals, L primary system message bearer channels, M secondary system message bearer channels, and S first reference signals, the relationship between the transmission of the first signal by the base station and the transmission of the preamble information block is described.

[0103] Example 1: first send the second signal, and then send other channels and / or signals in the preamble information block; Example 2: if the first signal indicates that the cell state is open, then send the second signal, and then send other channels and / or signals in the preamble information block; Example 3: if the first signal indicates that the cell state is closed, then do not send the preamble information block.

[0104] In one embodiment, Figure 23 is a structural block diagram of one data transmission device according to an embodiment of the present application. This embodiment can be implemented by a data transmission device. Here, the data transmission device may be a terminal side (e.g., a user equipment). As shown in Figure 23, this embodiment includes a detector 310 and a receiver 320.

[0105] The detector 310 is configured to detect a first signal.

[0106] The receiver 320 is configured to receive a preamble information block based on the detection of the first signal.

[0107] The preamble information block includes at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal.

[0108] In one embodiment, the receiver 320 is configured to begin receiving the preamble information block based on first information when a first signal is detected, the first information being used to identify a receiving position of the preamble information block.

[0109] In one embodiment, the first information comprises a frequency domain location at which the first signal was detected, a time domain location at which the first signal was detected, an indication of the frequency domain location carried by the first signal, an indication of the time domain location carried by the first signal, and index information corresponding to the first signal.

[0110] In one embodiment, the receiver 320 is configured to receive the preamble information block when a first signal is detected, and a mapping relationship between the first signal and the preamble information block is predefined.

[0111] In one embodiment, the mapping relationship between the first signal and the preamble information block includes at least one of the following: a mapping relationship between an index of the first signal and a frequency domain position of the preamble information block; a mapping relationship between an index of the first signal and a time domain position of the preamble information block; a mapping relationship between an index of the first signal and a time-frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a time-frequency domain position of the preamble information block; a mapping relationship between a time domain position where the first signal is detected and a time domain position of the preamble information block; and a mapping relationship between a time domain position where the first signal is detected and a time-frequency domain position of the preamble information block.

[0112] In one embodiment, the first signal includes at least one of a binary amplitude shift keying signal and a signal consisting of at least one sequence.

[0113] In one embodiment, receiving a preamble information block based on a detection result of the first signal includes receiving the preamble information block when the first signal is detected and assuming that the preamble information block is transmitted periodically.

[0114] In one embodiment, receiving the preamble information block and assuming that the preamble information block is periodically transmitted includes: if the preamble information block includes a synchronization system information block, receiving the preamble information block and assuming that the synchronization system message block is periodically transmitted; if the preamble information block includes a synchronization system message block and a secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization system message block and the secondary system message bearer channel are transmitted sequentially periodically; if the preamble information block includes a synchronization system message block and a secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization system message block and the secondary system message bearer channel are transmitted in the same period; if the preamble information block includes a synchronization signal and a primary system message bearer channel, receive the preamble information block and assume that a synchronization signal and a primary system message bearer channel are transmitted in the same period; if the preamble information block includes a synchronization signal and a synchronization system message block, receive the preamble information block and assume that a synchronization signal and a synchronization system message block are transmitted in the same period; if the preamble information block includes a synchronization signal and a synchronization system message block, receive the preamble information block and assume that a synchronization signal and a synchronization system message block are transmitted in the same period; if the preamble information block includes a synchronization signal and a synchronization system message block, receive the preamble information block and assume that a synchronization signal and a synchronization system message block are transmitted in the same period; if the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel,The method includes at least one of: receiving the preamble information block and assuming that a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel are transmitted in sequence and periodically; if the preamble information block includes the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization signal and the primary system message bearer channel are transmitted in the same period and then the secondary system message bearer channel is transmitted periodically; if the preamble information block includes the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel are transmitted in the same period.

[0115] In one embodiment, receiving a preamble information block based on a detection result of the first signal includes, when the preamble information block includes a second signal, receiving other channels and / or signals of the preamble information block based on a detection result of the second signal.

[0116] The data transmission device of this embodiment is configured to realize the data transmission method applied to the first communication node of the embodiment shown in Figure 1, and since the realization principle and technical effect thereof are similar, they will not be repeated here.

[0117] In an embodiment, Figure 24 is a structural block diagram of another data transmission device according to an embodiment of the present application. This embodiment can be implemented by a data transmission device. Here, the data transmission device can be a base station side. As shown in Figure 24, this embodiment includes a first transmitter 410 and a second transmitter 420.

[0118] The first transmitter 410 is configured to transmit a first signal to indicate the transmission of a preamble information block.

[0119] The second transmitter 420 is configured to transmit a preamble information block, the preamble information block including at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal.

[0120] In one embodiment, the preamble information block includes a synchronization system message block, and transmitting the preamble information block includes transmitting the synchronization system message block periodically at the first time unit.

[0121] In one embodiment, the preamble information block includes a synchronous system message block and a secondary system message bearer channel, and transmitting the preamble information block includes one of: first transmitting the synchronous system message block with a period of a first time unit, and then transmitting the secondary system message bearer channel with a period of a second time unit; and transmitting the synchronous system message block and the secondary system message bearer channel with a period of a third time unit.

[0122] In one embodiment, the preamble information block includes a synchronization signal and a primary system message bearer channel, and transmitting the preamble information block includes at least one of first transmitting a synchronization signal with a period of the fourth time unit, and then transmitting the primary system message bearer channel with a period of the fifth time unit, and transmitting the synchronization signal and the primary system message bearer channel with a period of the sixth time unit.

[0123] In one embodiment, the preamble information block includes a synchronization signal and a synchronization system message block, and transmitting the preamble information block includes at least one of first transmitting a synchronization signal with a period of the seventh time unit, and then transmitting a synchronization system message block with a period of the eighth time unit, and transmitting the synchronization signal and the synchronization system message block with a period of the ninth time unit.

[0124] In one embodiment, the preamble information block includes a synchronization signal, a primary system message bearer channel, and a secondary system message bearer channel, and transmitting the preamble information block includes at least one of: first transmitting a synchronization signal with a period of 10 time units, then transmitting the primary system message bearer channel with a period of 11 time units, and then transmitting the secondary system message bearer channel with a period of 12 time units; first transmitting the synchronization signal and the primary system message bearer channel with a period of 13 time units, and then transmitting the secondary system message bearer channel with a period of 14 time units; and transmitting the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel with a period of 15 time units.

[0125] In one embodiment, when the synchronization signal includes a first sub-synchronous signal and a second sub-synchronous signal, periodically transmitting the synchronization signal includes first continuously transmitting the first sub-synchronous signal, and then periodically transmitting the second sub-synchronous signal.

[0126] In one embodiment, the preamble information block includes a first reference signal, and transmitting the preamble information block includes transmitting the first reference signal periodically every 16 time units.

[0127] In one embodiment, transmitting the preamble information block includes transmitting the preamble information block based on first information, the first information being for indicating a transmission position of the preamble information block.

[0128] In one embodiment, the first information includes a frequency domain location at which the first signal was transmitted, a time domain location at which the first signal was transmitted, an indication of the frequency domain location carried in the first signal, an indication of the time domain location carried in the first signal, and index information corresponding to the first signal.

[0129] In one embodiment, transmitting a preamble information block includes transmitting a preamble information block corresponding to the first signal based on a mapping relationship between the first signal and the preamble information block.

[0130] In one embodiment, the mapping relationship between the first signal and the preamble information block includes at least one of the following: a mapping relationship between an index of the first signal and a frequency domain position of the preamble information block; a mapping relationship between an index of the first signal and a time domain position of the preamble information block; a mapping relationship between an index of the first signal and a time-frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a time-frequency domain position of the preamble information block; a mapping relationship between a time domain position where the first signal is detected and a time domain position of the preamble information block; and a mapping relationship between a time domain position where the first signal is detected and a time-frequency domain position of the preamble information block.

[0131] In one embodiment, the first signal includes at least one of a binary amplitude shift keying signal and a signal consisting of at least one sequence.

[0132] In one embodiment, if the preamble information block includes a second signal, transmitting the preamble information block further includes one of: first transmitting the second signal and then transmitting other channels and / or signals of the preamble information block; if the first signal indicates that the cell state is open, transmitting the second signal and then transmitting other channels and / or signals of the preamble information block; and if the first signal indicates that the cell state is closed, not transmitting the preamble information block.

[0133] The data transmission device of this embodiment is configured to realize the data transmission method applied to the second communication node of the embodiment shown in Figure 2, and since the realization principle and technical effect thereof are similar, they will not be repeated here.

[0134] In one embodiment, FIG. 25 is a structural schematic diagram of a data transmission device according to an embodiment of the present application. As shown in FIG. 25, the device according to the present application includes a processor 510 and a memory 520. The number of processors 510 in the device may be one or more, and FIG. 25 takes one processor 510 as an example. The number of memories 520 in the device may be one or more, and FIG. 25 takes one memory 520 as an example. The processor 510 and the memory 520 of the device may be connected by a bus or other methods, and FIG. 25 takes them as an example connected by a bus. In this embodiment, the device may be a terminal side (e.g., user equipment).

[0135] The memory 520 may be configured to store software programs, computer executable programs and modules as a computer readable storage medium, such as program instructions / modules corresponding to the device of any embodiment of the present application (e.g., the detector 310 and the receiver 320 in the data transmission device applied to the first communication node). The memory 520 may include a program storage area capable of storing an operating system, an application program required for at least one function, and a data storage area capable of storing data generated by the use of the device. The memory 520 may also include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some examples, the memory 520 may include memories provided remotely to the processor 510, and these remote memories may be connected to the device by a network. Examples of the network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0136] In the case where the data transmission device is a first communication node, the provided device may be configured to perform the data transmission method applied to the first communication node according to any of the above embodiments and may have functions and effects accordingly.

[0137] In the case where the data transmission device is a second communication node, the provided device may be configured to perform the data transmission method applied to the second communication node according to any of the above embodiments and may have functions and effects accordingly.

[0138] An embodiment of the present application further provides a storage medium including computer-executable instructions for performing, when executed by a computer processor, a data transmission method applied to a first communication node, the method including: detecting a first signal; and receiving a preamble information block based on a detection result of the first signal, the preamble information block including at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal.

[0139] An embodiment of the present application further provides a storage medium including computer-executable instructions for performing a data transmission method applied to a second communication node when executed by a computer processor, the method including transmitting a first signal for indicating transmission of a preamble information block and transmitting a preamble information block, the preamble information block including at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal.

[0140] It should be appreciated by those skilled in the art that the term user equipment covers any suitable type of wireless user equipment, such as, for example, a mobile telephone, a portable data processing device, a portable web browser or a mobile station mounted on a vehicle.

[0141] In general, embodiments of the present application may be implemented in hardware or special purpose circuits, software, logic, or any combination thereof. For example, and not limited to this application, some aspects may be implemented in hardware and other aspects may be implemented in firmware or software executable by a controller, microprocessor, or other computing device.

[0142] Embodiments of the present application may be implemented by a data processor of a mobile device executing computer program instructions, which may be implemented in hardware, for example in the entity of a processor, or a combination of software and hardware. The computer program instructions may be assembly instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, state setting data, or source or target code written in any combination of one or more programming languages.

[0143] Any logic flow block diagrams in the drawings of this application may represent program steps, or may represent interconnected logic circuits, modules and functions, or may represent a combination of program steps and logic circuits, modules and functions. Computer programs may be stored in memory. The memory may be of any type suitable for the local technology environment and may be implemented using any suitable data memory technology, such as, but not limited to, Read-Only Memory (ROM), Random Access Memory (RAM), optical memory devices and systems (Digital Video Disc (DVD) or Compact Disk (CD)), etc. Computer-readable media may include non-transitory storage media. Data processors may be of any type suitable for the local technology environment, such as, but not limited to, general purpose computers, special purpose computers, microprocessors, Digital Signal Processing (DSP), Application Specific Integrated Circuits (ASIC), Programmable Logic Devices (Field-Programmable Gate Arrays (FPGA) and processors with group core processor architectures.

Claims

1. A data transmission method applied to a first communication node, comprising: Detecting a first signal; receiving a preamble information block based on a detection result of the first signal; the preamble information block includes at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal; Data transmission method.

2. Receiving a preamble information block based on a detection result of the first signal includes: receiving the preamble information block based on first information when the first signal is detected; The first information is used to identify a receiving position of the preamble information block. The method of claim 1.

3. the first information includes a frequency domain location at which the first signal was detected, a time domain location at which the first signal was detected, an indication of a frequency domain location carried by the first signal, an indication of a time domain location carried by the first signal, and index information corresponding to the first signal. The method of claim 2.

4. Receiving a preamble information block based on a detection result of the first signal includes: receiving the preamble information block when the first signal is detected; A mapping relationship between the first signal and the preamble information block is predefined. The method of claim 1.

5. The mapping relationship between the first signal and the preamble information block is: a mapping relationship between the index of the first signal and the frequency domain position of the preamble information block; a mapping relationship between the index of the first signal and the time domain position of the preamble information block; a mapping relationship between the index of the first signal and the time domain position of the preamble information block; a mapping relationship between the frequency domain position where the first signal is detected and the frequency domain position of the preamble information block; a mapping relationship between the frequency domain position where the first signal is detected and the time frequency domain position of the preamble information block; a mapping relationship between the time domain position where the first signal is detected and the time domain position of the preamble information block; and a mapping relationship between the time domain position where the first signal is detected and the time domain position of the preamble information block. The method according to claim 4.

6. the first signal includes at least one of a binary amplitude shift keying signal and a signal consisting of at least one sequence; The method of claim 1.

7. Receiving a preamble information block based on a detection result of the first signal includes: receiving the preamble information block when the first signal is detected and assuming that the preamble information block is transmitted periodically. The method of claim 1.

8. Receiving the preamble information block and assuming that the preamble information block is transmitted periodically includes: receiving the preamble information block if the synchronization system information block is included in the preamble information block and assuming that the synchronization system message block is transmitted periodically; If the preamble information block includes the synchronous system message block and the secondary system message bearer channel, receiving the preamble information block and assuming that the synchronous system message block and the secondary system message bearer channel are transmitted periodically in sequence; receiving the preamble information block if the preamble information block includes the synchronous system message block and the secondary system message bearer channel, and assuming that the synchronous system message block and the secondary system message bearer channel are transmitted in the same period; If the preamble information block includes the synchronization signal and the primary system message bearer channel, receiving the preamble information block and assuming that the synchronization signal and the primary system message bearer channel are transmitted periodically in sequence; receiving the preamble information block if the preamble information block includes the synchronization signal and the primary system message bearer channel, and assuming that the synchronization signal and the primary system message bearer channel are transmitted at the same period; receiving the preamble information block when the synchronization signal and the synchronization system message block are included in the preamble information block, and assuming that the synchronization signal and the synchronization system message block are transmitted in sequence and periodically; receiving the preamble information block if the preamble information block includes the synchronization signal and the synchronization system message block, and assuming that the synchronization signal and the synchronization system message block are transmitted in the same period; If the preamble information block includes the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel are transmitted periodically in sequence; If the preamble information block includes the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel, receiving the preamble information block and assuming that the synchronization signal and the primary system message bearer channel are transmitted at the same period and then the secondary system message bearer channel is transmitted periodically; receiving the preamble information block and assuming that the synchronization signal, the primary system message bearer channel and the secondary system message bearer channel are transmitted in the same period if the preamble information block includes the synchronization signal, the primary system message bearer channel and the secondary system message bearer channel; The method of claim 7.

9. Receiving a preamble information block based on a detection result of the first signal includes: receiving at least one of a channel and a signal other than the second signal in the preamble information block based on a detection result of the second signal when the first signal is detected and the second signal is included in the preamble information block; The method of claim 1.

10. A data transmission method applied to a second communication node, comprising: Transmitting a first signal to indicate transmission of a preamble information block; transmitting said preamble information block; the preamble information block includes at least one of a synchronization system message block, a synchronization signal, a primary system message bearer channel, a secondary system message bearer channel, a first reference signal, and a second signal; Data transmission method.

11. the preamble information block includes the synchronization system message block; transmitting the preamble information block includes transmitting the synchronization system message block periodically at a first time unit interval. The method of claim 10.

12. the preamble information block includes the synchronization system message block and the secondary system message bearer channel; Transmitting the preamble information block comprises: first transmitting the synchronous system message block at a period of a first time unit, and then transmitting the secondary system message bearer channel at a period of a second time unit; transmitting the synchronous system message block and the secondary system message bearer channel at a period of a third time unit; The method of claim 10.

13. the preamble information block includes the synchronization signal and the primary system message bearer channel; Transmitting the preamble information block comprises: first transmitting the synchronization signal at a period of a fourth time unit, and then transmitting the primary system message bearer channel at a period of a fifth time unit; transmitting the synchronization signal and the primary system message bearer channel at a period of a sixth time unit; The method of claim 10.

14. the preamble information block includes the synchronization signal and the synchronization system message block; Transmitting the preamble information block comprises: first transmitting the synchronization signal with a period of seventh time units and then transmitting the synchronization system message block with a period of eighth time units; transmitting the synchronization signal and the synchronization system message block at a period of a ninth time unit; The method of claim 10.

15. the preamble information block includes the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel; Transmitting the preamble information block comprises: first transmitting the synchronization signal at a period of ten time units, then transmitting the primary system message bearer channel at a period of eleven time units, and then transmitting the secondary system message bearer channel at a period of twelfth time units; first transmitting the synchronization signal and the primary system message bearer channel at a period of thirteen time units, and then transmitting the secondary system message bearer channel at a period of fourteen time units; and transmitting the synchronization signal, the primary system message bearer channel, and the secondary system message bearer channel at a period of 15 time units. The method of claim 10.

16. When the synchronization signal includes a first sub-synchronization signal and a second sub-synchronization signal, periodically transmitting the synchronization signal includes: first continuously transmitting the first sub-synchronous signal and then periodically transmitting the second sub-synchronous signal; The method according to any one of claims 13 to 15.

17. the preamble information block includes the first reference signal; transmitting the preamble information block includes transmitting the first reference signal at a period of 16 time units. The method of claim 10.

18. Transmitting the preamble information block includes transmitting the preamble information block based on first information; The first information is used to indicate a transmission position of the preamble information block; the first information includes a frequency domain location at which the first signal was transmitted, a time domain location at which the first signal was transmitted, an indication of a frequency domain location carried by the first signal, an indication of a time domain location carried by the first signal, and index information corresponding to the first signal. The method of claim 10.

19. Transmitting the preamble information block includes transmitting a preamble information block corresponding to the first signal based on a mapping relationship between the first signal and the preamble information block; The mapping relationship between the first signal and the preamble information block is: The mapping relationship includes at least one of the following: a mapping relationship between an index of the first signal and a frequency domain position of the preamble information block; a mapping relationship between an index of the first signal and a time domain position of the preamble information block; a mapping relationship between an index of the first signal and a time-frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a frequency domain position of the preamble information block; a mapping relationship between a frequency domain position where the first signal is detected and a time-frequency domain position of the preamble information block; a mapping relationship between a time domain position where the first signal is detected and a time domain position of the preamble information block; and a mapping relationship between a time domain position where the first signal is detected and a time-frequency domain position of the preamble information block. The method of claim 10.

20. the first signal includes at least one of a binary amplitude shift keying signal and a signal consisting of at least one sequence; The method of claim 10.

21. If the preamble information block includes the second signal, transmitting the preamble information block includes: transmitting the second signal first, and then transmitting at least one of a channel and a signal other than the second signal in the preamble information block; transmitting at least one of the channels and signals other than the second signal in the preamble information block after transmitting the second signal when the first signal indicates that the cell state is open; and not transmitting the preamble information block when the first signal indicates that the cell state is closed. The method of claim 10.

22. A memory and at least one processor, the memory is configured to store at least one program; When the at least one program is executed by the at least one processor, the at least one processor realizes the data transmission method according to any one of claims 1 to 9 or 10 to 21. Data transmission device.

23. A computer program is stored which, when executed by a processor, realizes the data transmission method according to any one of claims 1 to 9 or 10 to 21. storage medium.

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