WO2018010509A1 - 一种接入信号发送、接收方法及相关设备 - Google Patents

一种接入信号发送、接收方法及相关设备 Download PDF

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Publication number
WO2018010509A1
WO2018010509A1 PCT/CN2017/087808 CN2017087808W WO2018010509A1 WO 2018010509 A1 WO2018010509 A1 WO 2018010509A1 CN 2017087808 W CN2017087808 W CN 2017087808W WO 2018010509 A1 WO2018010509 A1 WO 2018010509A1
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Prior art keywords
signal
access
identifier
indication information
different
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English (en)
French (fr)
Inventor
陈润华
高秋彬
拉盖施
苏昕
李辉
黄秋萍
宋扬
李传军
王蒙军
杨宇
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for transmitting and receiving an access signal and related devices.
  • the wireless communication system includes a network node and a user equipment (User Equipment, UE). Downlink transmission and uplink transmission between a network station and a UE in a wireless communication system. One or more network sites are included in the wireless communication system.
  • UE User Equipment
  • the UE In order to access the network, the UE must find at least one network site after accessing the network and access the network through the network site. If a wireless communication system includes a plurality of network sites, the UE can access through any one of the plurality of network sites.
  • a network site in a cellular network may be configured as a cell, each cell independently transmits a signal, and the UE detects signals of different cells and selects a cell to access the network. This process is called initial access.
  • the initial synchronization information is provided by a synchronous (SYNC) signal, and the SYNC signal includes two parts, a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (Secondary). Synchronization Signal, SSS).
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • the UE and the cell implement frequency domain and time domain synchronization through PSS/SSS. Each cell sends its own PSS/SSS.
  • a cell access is selected. For example, the UE accesses the best cell according to the PSS/SSS selection signal of each cell.
  • the bandwidth of the PSS/SSS in the LTE system is 6 physical resource blocks (PRBs), that is, 900 kHz, and the PSS/SSS restriction is transmitted at the center of the system bandwidth of each cell, and each cell sends a PSS/SSS.
  • PRBs physical resource blocks
  • the system bandwidth of a cell has many possible values, including 1.4MHz, 5MHz, 10MHz, 15MHz and 20MHz.
  • the UE does not know the system bandwidth of the cell before performing cell access, and does not know the location of the frequency domain center of the cell.
  • the UE searches for the center frequency of all possible cells with an accuracy of 100 kHz.
  • the UE If the UE detects a PSS/SSS, the UE successfully detects the center frequency of the cell, and then the UE demodulates the master information block of the cell to obtain information about the bandwidth of the cell system, thereby obtaining the cell frequency. Start and end positions.
  • a network site may have one or more transmit antennas, and the PSS/SSS is shaped and transmitted on multiple transmit antennas. Since the design purpose of PSS/SSS is to make all UEs in the cell accessible, the design of the shaping scheme should ensure wide shaping to ensure that PSS/SSS can be received by all UEs in the cell. Therefore, one cell sends a PSS/SSS.
  • Each cell in the cellular system has an independent cell identity (Cell ID), and other signals within the cell are a function of the cell identity of the cell.
  • Cell ID the base sequence of the PSS/SSS is a function of the cell identity.
  • the UE blindly checks the PSS/SSS of each cell, and obtains the cell identity of the cell according to the PSS/SSS of the cell.
  • the basic sequence of the PSS is a function of the first ID (represented as nID1)
  • the SSS basic sequence is a function of the second ID (represented as nID2)
  • TRP Transmit/Receive Point
  • the network deployment of the future communication system will be more flexible.
  • One cell may have one or more TRPs, each TRP covers a smaller range, and multiple TRPs jointly provide coverage of the entire cell.
  • the UE is initially synchronized and accessed from a TRP, rather than from all TRPs.
  • the future communication system may use a large number of antenna units, which are represented as massive multiple input multiple output (MIMO), which generates a narrow beam by antenna shaping, and a TRP generates many beams. Each beam points in a different direction.
  • MIMO massive multiple input multiple output
  • the embodiments of the present invention provide a method for transmitting and receiving an access signal and related devices, which are used to provide a solution for implementing an access process of a UE in a future communication system.
  • an embodiment of the present invention provides an access signal sending method, including: a sending device generates at least one access signal, where each of the access signals has different signal characteristics, and the signal characteristics include time At least one of a domain transmission location, a frequency domain transmission location, and a code domain characteristic; the transmitting device transmitting at least one of the access signals.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule. set.
  • the preset rule is used to determine a mapping relationship between the first identifier and the signal identifier of the second identifier and the access signal.
  • the sending device sends the first indication information semi-statically or dynamically, the first indication information indicates a value range of the first identifier, and/or the sending device is semi-static or dynamically sent.
  • the second indication information indicates the value range of the second identifier.
  • the number of the access signals is greater than one, different access signals correspond to the same first identifier, and at least one second identifier corresponding to the access signal has at least one A second identifier corresponding to the other of the access signals is different.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the method further includes:
  • the sending device receives the feedback signal returned by the receiving device, where the feedback signal carries the indication information of the access signal selected by the receiving device from all the received access signals.
  • the indication information of the access signal carried in the feedback signal is: indication information of an optimal access signal selected by the receiving device from all received access signals.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the method further includes: determining, by the sending device, the indication indicated by the indication information of the access signal carried in the feedback signal The signal characteristic of the incoming signal transmits a signal carrying the data information according to the determined signal characteristic.
  • an embodiment of the present invention provides a method for receiving an access signal, including: receiving, by a receiving device, at least one access signal, where a signal characteristic of the access signal includes a time domain transmission location, a frequency domain transmission location, and At least one of code domain characteristics, each of the access signals having a different signal characteristic; the receiving device processing the at least one Access signals.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the signal identifier of the second identifier and the access signal.
  • the receiving device receives the first indication information, where the first indication information indicates a value range of the first identifier, the first indication information is semi-static or dynamic information; and/or, the receiving device Receiving the second indication information, where the second indication information indicates a value range of the second identifier, and the second indication information is semi-static or dynamic information.
  • the number of the access signals is greater than one, different access signals correspond to the same first identifier, and at least one second identifier corresponding to the access signal has at least one A second identifier corresponding to the other of the access signals is different.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the receiving device processes the at least one access signal, including: the receiving device selects an access signal from all received access signals, and returns a feedback signal to the sending device, where The feedback signal carries indication information of the selected access signal.
  • the selected access signal is an optimal access signal.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the method further includes The receiving device receives the signal carrying the data information sent by the sending device, where the signal carrying the data information is indicated by the sending device determining the indication information of the access signal carried in the feedback signal After the signal characteristics of the signal are accessed, they are transmitted according to the determined signal characteristics.
  • an embodiment of the present invention provides a sending device, including:
  • a processing module configured to generate at least one access signal, where each of the access signals has different signal characteristics, and the signal characteristics include at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic
  • a sending module configured to send at least one of the access signals.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the sending module is further configured to: send the first indication information semi-statically or dynamically, the first indication information indicates a value range of the first identifier; and/or, semi-static or dynamic sending The second indication information indicates the value range of the second identifier.
  • the number of the access signals is greater than one, different access signals correspond to the same first identifier, and at least one second identifier corresponding to the access signal has at least one A second identifier corresponding to the other of the access signals is different.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the method further includes: receiving, by the receiving module, a feedback signal returned by the receiving device, where the feedback signal carries the access signal selected by the receiving device from all received access signals Instructions.
  • the indication information of the access signal carried in the feedback signal is: indication information of an optimal access signal selected by the receiving device from all received access signals.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the processing module is further configured to: determine a signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal; the sending module is further configured to: The signal characteristic determined by the processing module transmits a signal carrying the data information.
  • an embodiment of the present invention provides a receiving device, including: a receiving module, configured to receive at least one access signal, where a signal characteristic of the access signal includes a time domain transmission location, a frequency domain transmission location, and At least one of code domain characteristics, each of the access signals having different signal characteristics; and a processing module for processing the at least one access signal.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the receiving module is further configured to: receive the first indication information, where the first indication information indicates a value range of the first identifier, and the first indication information is semi-static or dynamic information; And/or, receiving the second indication information, where the second indication information indicates a value range of the second identifier, and the second indication information is semi-static or dynamic information.
  • the number of the access signals is greater than one, different access signals correspond to the same first identifier, and at least one second identifier corresponding to the access signal has at least one A second identifier corresponding to the other of the access signals is different.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the processing module is specifically configured to: select one access signal from all received access signals; and further include a sending module, configured to: return a feedback signal to the sending device, where the feedback signal The indication information of the access signal selected by the processing module is carried.
  • the selected access signal is an optimal access signal.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the receiving module is further configured to: after the sending module returns a feedback signal to the sending device, receive a signal carrying the data information sent by the sending device, where the data carrying the data information The signal is sent by the transmitting device according to the determined signal characteristic after determining the signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal.
  • an embodiment of the present invention provides a sending device, where the sending device includes a processor, a memory, and a transceiver, where the transceiver is configured to receive and send data under the control of the processor, and the preset is stored in the memory.
  • Program the processor reads the program in the memory, according to the program performs the following process:
  • each of the access signals has a different signal characteristic, the signal characteristic including at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic; indicating the transceiver to transmit At least one of the access signals.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the transceiver sends the first indication information semi-statically or dynamically, the first indication information indicates a value range of the first identifier, and/or, the second indication information is sent semi-statically or dynamically.
  • the second indication information indicates a value range of the second identifier.
  • the number of the access signals is greater than one, different access signals correspond to the same first identifier, and at least one second identifier corresponding to the access signal has at least one A second identifier corresponding to the other of the access signals is different.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the transceiver is further configured to: receive a feedback signal returned by the receiving device, where the feedback signal carries indication information of the access signal selected by the receiving device from all received access signals. .
  • the indication information of the access signal carried in the feedback signal is: indication information of an optimal access signal selected by the receiving device from all received access signals.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the processor is further configured to: determine a signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal; and send, by the transceiver, the carried data according to the determined signal characteristic. Signal of information.
  • an embodiment of the present invention provides a receiving device, where the receiving device includes a processor, a memory, and a transceiver, wherein the transceiver receives and transmits data under the control of the processor, and the preset program is stored in the memory.
  • the processor reads a program in the memory, and according to the program, the process of receiving at least one access signal by the transceiver, wherein the signal characteristics of the access signal include a time domain transmission location, a frequency domain transmission location, and a code domain At least one of the characteristics, each of the access signals having a different signal characteristic; processing the at least one access signal.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the transceiver is further configured to receive the first indication information, where the first indication information indicates a value range of the first identifier, where the first indication information is semi-static or dynamic information; and/or Receiving a second indication information, where the second indication information indicates a value range of the second identifier, where the second indication information is a semi-static or dynamic letter interest.
  • the number of the access signals is greater than one, different access signals correspond to the same first identifier, and at least one second identifier corresponding to the access signal has at least one A second identifier corresponding to the other of the access signals is different.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the processor selects an access signal from all the received access signals, and returns a feedback signal to the transmitting device by using the transceiver, where the feedback signal carries the indication information of the selected access signal.
  • the selected access signal is an optimal access signal.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the processor after the processor returns a feedback signal to the sending device by using the transceiver, the processor receives the signal carrying the data information sent by the sending device by using the transceiver, where the signal carrying the data information is the The transmitting device determines a signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal, and then sends the signal characteristic according to the determined signal characteristic.
  • a seventh aspect a computer storage medium storing computer executable instructions for causing the computer to perform the method of any of the first aspect method.
  • a computer storage medium in an eighth aspect, storing computer executable instructions for causing the computer to perform the method of any of the second aspect method.
  • the sending device sends at least one access signal, and each access signal has different signal characteristics, where the signal characteristics include a time domain transmission location, a frequency domain transmission location, and a code domain characteristic. At least one of the following makes it possible to distinguish different access signals according to the signal characteristics of the access signal, thereby providing a solution for realizing UE access in a future communication system.
  • FIG. 1 is a schematic diagram of an access signal sending process according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an access signal receiving process in an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a frequency domain transmission position of different SYNCs according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a time domain transmission position of different SYNCs according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of transmission of an access signal including two components in an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a sending device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a receiving device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of another sending device according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of another receiving device according to an embodiment of the present invention.
  • one cell may have one or more TRPs, each TRP covers a smaller range, and multiple TRPs jointly provide coverage of the entire cell.
  • the UE can perform initial synchronization and system access from one of the TRPs.
  • communication systems may use massive MIMO to generate beams through antenna shaping.
  • a TRP generates many beams, each beam pointing in a different direction.
  • the UE can perform initial synchronization and system access through one of the beams.
  • multiple identifiers are required, and each identifier is assigned to a different TRP or beam. The UE distinguishes the TRP or the beam by different identifiers.
  • an embodiment of the present invention provides an access signal transmission method, which distinguishes different TRPs or beams by using signal characteristics of an access signal (AS). Corresponding access signal. For example, the signal characteristics of the access signals corresponding to different TRPs are different, or the signal characteristics of the access signals corresponding to different beams are different.
  • the access signal in the embodiment of the present invention is a broad name and is used to refer to the sum of signals required for the terminal to access the network, and may include one signal or multiple signals.
  • the access signal can be used to implement one or more functions, such as implementing cell synchronization, time domain or frequency domain synchronization, cell system information reception, and the like. It should be noted that, the functions that can be implemented by the access signal in the embodiment of the present invention are not limited to a certain function listed herein, and are accessed in the embodiment of the present invention. The signal is not limited to a specific signal.
  • the sending of the access signal may be in the uplink transmission process or in the downlink transmission process, where the uplink transmission process is sent from the network device to the terminal, and the downlink transmission process is sent from the terminal to the network device.
  • the sending process of the access signal is as follows:
  • Step 101 The transmitting device generates at least one access signal, where each access signal has different signal characteristics, and the signal characteristics include at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic.
  • the code domain characteristic includes at least one of a base sequence, a scrambling sequence, and a spreading sequence.
  • the access signal includes a first component and at least one second component, the first components of different access signals are the same, and the different access signals have at least one second component that is different. . That is, at least one of the second components of any one of the access signals is different from the second component of the other access signals.
  • the first component of the first access signal is the same as the first component of the second access signal, and the first access signal and the second access signal each comprise a plurality of second components, and the first access The signal has a second component that is different from the second component of the second access signal.
  • the at least one second component of the different access signals is different, indicating that the frequency domain transmission location, the time domain transmission location, or the code domain characteristic of different access signals are different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • different access signals may correspond to the same preset rule, or may correspond to different preset rules.
  • the sending device sends the first indication information to the receiving device in a semi-static or dynamic manner, where the first indication information indicates a value range of the first identifier; and/or, the sending device sends the second indication information to the receiving device semi-statically or dynamically.
  • the second indication information indicates a value range of the second identifier.
  • the different access signals correspond to the same first identifier, and at least one of the at least one second identifier corresponding to each of the at least two access signals is different. That is, at least one of the second identifiers corresponding to at least one access signal is different from the second identifier corresponding to the other access signals. In a specific implementation, at least one of the second identifiers corresponding to any one of the access signals is different from the second identifier corresponding to the other access signals. Specifically, at least one of the second identifiers corresponding to the first access signal is different from the second identifier corresponding to the second access signal.
  • each access signal corresponds to one first identifier and two second identifiers
  • the first identifiers corresponding to the two access signals are the same, and at least one of the two second identifiers corresponding to the two accesses is not
  • the second identifier 1 of the access signal 1 is different from the second identifier of the access signal 2.
  • the access signal includes but is not limited to any of the following:
  • Downward system access signal (Initial Access Signal, also known as initial access signal);
  • TRP-specific signal TRP-specific Signal
  • SIB System Information Block
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • Step 102 The sending device sends at least one access signal.
  • the sending device sends the at least one of the access signals
  • the feedback signal returned by the receiving device is received, where the feedback signal carries the access signal selected by the receiving device from all the received access signals.
  • the indication information of the access signal may be an index of the access signal.
  • the indication information of the access signal carried in the feedback signal is: indication information of the optimal access signal selected by the receiving device from all the received access signals.
  • the sending device separately sends an access signal corresponding to each TRP, and determines an optimal TRP according to the feedback signal returned by the receiving device; or, the sending device separately sends an access signal corresponding to each beam, and according to the receiving device The returned feedback signal determines the optimal beam.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device, for example, the transmitting device receives or implicitly receives the notification by a specific signal.
  • the number of bits of the device feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device, for example, the transmitting device receives or implicitly receives the notification by a specific signal.
  • the sending device determines the signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal, and sends and carries according to the determined signal characteristic.
  • the signal of the data message After the sending device receives the feedback signal returned by the receiving device, the sending device determines the signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal, and sends and carries according to the determined signal characteristic.
  • the signal of the data message After the sending device receives the feedback signal returned by the receiving device, the sending device determines the signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal, and sends and carries according to the determined signal characteristic. The signal of the data message.
  • the transmitting device determines the signal characteristic of the access signal indicated by the indication information of the access signal according to the feedback signal, the TRP corresponding to the signal characteristic is determined, and the signal carrying the data information is sent through the TRP; or the transmitting device according to the feedback signal Determining the signal characteristics of the access signal indicated by the indication information of the access signal, determining the signal characteristics
  • the corresponding beam transmits a signal carrying the data information through the beam.
  • the receiving device has no a priori information or a priori information on the number and signal characteristics of the access signals transmitted by the transmitting device.
  • the receiving process of the access signal is as follows:
  • Step 201 The receiving device receives at least one access signal, where the signal characteristics of the access signal include at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic, and each access signal has different signal characteristics. .
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal includes a first component and at least one second component, the first components of different access signals are the same, and the different access signals have at least one second component that is different. .
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the receiving device receives the first indication information sent by the sending device, where the first indication information indicates a value range of the first identifier, the first indication information is semi-static or dynamic information; and/or, the receiving device receives the sending by the sending device.
  • the second indication information indicates a value range of the second identifier, and the second indication information is semi-static or dynamic information.
  • the different access signals correspond to the same first identifier, and at least one of the at least one second identifier corresponding to each of the at least two access signals is different. That is, at least one of the second identifiers corresponding to at least one access signal is different from the second identifier corresponding to the other access signals. In a specific implementation, at least one of the second identifiers corresponding to any one of the access signals is different from the second identifier corresponding to the other access signals.
  • the access signal includes but is not limited to any of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • Step 202 The receiving device processes at least one access signal.
  • the receiving device selects one access signal from all the received access signals, and returns to the sending device.
  • a feedback signal wherein the feedback signal carries indication information of the selected access signal.
  • the selected access signal is an optimal access signal.
  • the access signal is not the optimal access signal, and the condition of the optimal access signal may be set according to the specific application scenario.
  • the optimal access may be determined according to the signal strength. Signals, etc.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the transmitting device to the receiving device.
  • the receiving device after the receiving device returns a feedback signal to the sending device, the receiving device receives the signal carrying the data information sent by the sending device, where the signal carrying the data information determines, by the sending device, the access signal carried in the feedback signal. After the signal characteristics of the access signal indicated by the indication information, the signal characteristics are transmitted according to the determined signal characteristics.
  • FIG. 3 shows a schematic diagram of a communication system architecture, with a wireless network coverage providing wide area coverage.
  • a wireless network covers multiple cells, each covering a different area.
  • a cell is defined as a wireless network object, which can be used to access the network, and each cell corresponds to a unique cell identifier, and is broadcasted in the coverage area of the cell.
  • a cell may include at least one TRP, and each TRP includes N antennas, where N is greater than or equal to one.
  • the antenna on the TRP can be beamformed, and the downstream signal is transmitted on the antenna after beamforming.
  • Each beam provides wide coverage or narrow coverage depending on the antenna data and beamforming.
  • the cell sends one or more access signals, which are downlink synchronization signals (SYNC), and different SYNCs are sent by different TRPs.
  • SYNC downlink synchronization signals
  • one SYNC corresponds to one PID and one SID, wherein different SYNCs correspond to the same PID, and different SYNCs correspond to different SIDs, and the SID is equivalent to the identifier of the TRP.
  • different SYNCs have at least one signal characteristic different, and the UE can distinguish different SYNCs according to the signal characteristics of the SYNC.
  • the frequency domain transmits the position, and different SYNCs are transmitted in different frequency domain positions, as shown in FIG. 4, which are schematic diagrams of frequency domain transmission positions of different SYNCs.
  • FIG. 4 are schematic diagrams of frequency domain transmission positions of different SYNCs.
  • the UE may obtain the information of the PID of the SYNC through the frequency domain transmission location of the SYNC, or obtain the information of the frequency domain transmission location of the SYNC by using the PID information of the SYNC.
  • the time domain transmission location, different SYNCs are transmitted in different locations in the time domain, as shown in FIG. 5 is a schematic diagram of the time domain transmission locations of different SYNCs.
  • the information of the PID of the SYNC can be obtained by the time domain transmission location of the SYNC, or the information of the time domain transmission location of the SYNC can be obtained by the PID information of the SYNC.
  • the UE can obtain the PID information of the SYNC through the sequence information of the SYNC, or obtain the sequence of the SYNC through the PID information of the SYNC. information.
  • the basic sequences of different SYNCs are different; or, the different SYNC scrambling sequences are different; or different SYNC spreading sequences are different.
  • the access signal includes a plurality of components, and at least one of the different access signals has the same composition, and the different access signals have at least one other component that is different. As shown in FIG. 6, each access signal has two components, namely component 1 and component 2, the components 1 of different access signals are the same, and the components 2 of different access signals are different. . Components 2 of different access signals are transmitted at different frequency domain locations.
  • a third embodiment of the present invention provides a sending device.
  • the sending device For details of the specific implementation of the sending device, refer to the description of the method embodiment, and the repeated description is omitted. As shown in FIG. mainly includes:
  • the processing module 701 is configured to generate at least one access signal, where each of the access signals has different signal characteristics, where the signal characteristics include at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic.
  • the sending module 702 is configured to send at least one of the access signals.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the sending module is further configured to: send the first indication information semi-statically or dynamically, the first indication information indicates a value range of the first identifier; and/or, semi-static or dynamic sending The second indication information indicates the value range of the second identifier.
  • the different access signals correspond to the same first identifier, and at least two of the access signals respectively correspond to at least one second identifier.
  • At least one second logo is different. That is, at least one of the second identifiers corresponding to at least one access signal is different from the second identifier corresponding to the other access signals. In a specific implementation, at least one of the second identifiers corresponding to any one of the access signals is different from the second identifier corresponding to the other access signals.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the method further includes: a receiving module 703, configured to: receive a feedback signal returned by the receiving device, where the feedback signal carries an access signal selected by the receiving device from all received access signals Instructions.
  • the indication information of the access signal carried in the feedback signal is: indication information of an optimal access signal selected by the receiving device from all received access signals.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the processing module is further configured to: determine a signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal; the sending module is further configured to: The signal characteristic determined by the processing module transmits a signal carrying the data information.
  • a receiving device is provided in the fourth embodiment of the present invention.
  • the receiving device is shown in FIG. mainly includes:
  • the receiving module 801 is configured to receive at least one access signal, where the signal characteristics of the access signal include at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic, each of the access signals Have different signal characteristics;
  • the processing module 802 is configured to process the at least one access signal.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the receiving module is further configured to:
  • the first indication information is semi-static or dynamic information; and/or,
  • the second indication information is semi-static or dynamic information.
  • the different access signals correspond to the same first identifier, and at least one of the at least one second identifier corresponding to the at least two access signals is different. That is, at least one of the second identifiers corresponding to at least one access signal is different from the second identifier corresponding to the other access signals. In a specific implementation, at least one of the second identifiers corresponding to any one of the access signals is different from the second identifier corresponding to the other access signals.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the processing module is specifically configured to:
  • the sending module 803 is further configured to: return a feedback signal to the sending device, where the feedback signal carries the indication information of the access signal selected by the processing module.
  • the selected access signal is an optimal access signal.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the receiving module is further configured to:
  • the sending module After the sending module returns a feedback signal to the sending device, receiving a signal carrying data information sent by the sending device, where the signal carrying the data information is determined by the sending device to be carried in the feedback signal After the signal characteristics of the access signal indicated by the indication information of the access signal are transmitted, the signal characteristics are transmitted according to the determined signal characteristics.
  • a fifth embodiment of the present invention provides a transmitting device, and the specific implementation of the transmitting device For the description of the method embodiment, the description of the method is not repeated.
  • the transmitting device mainly includes a processor 901, a memory 902, and a transceiver 903.
  • the transceiver 903 is used in the processor 901.
  • Receiving and transmitting data under the control, a preset program is stored in the memory 902, and the processor 901 reads the program in the memory 902, and executes the following process according to the program:
  • each of the access signals has different signal characteristics, the signal characteristics including at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic;
  • the transceiver 903 is instructed to transmit at least one of the access signals.
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the transceiver 903 sends the first indication information semi-statically or dynamically, the first indication information indicating a value range of the first identifier, and/or semi-static or dynamic sending of the second indication information,
  • the second indication information indicates a value range of the second identifier.
  • the different access signals correspond to the same first identifier, and at least one of the at least one second identifier corresponding to the at least two access signals is different. That is, at least one of the second identifiers corresponding to at least one access signal is different from the second identifier corresponding to the other access signals. In a specific implementation, at least one of the second identifiers corresponding to any one of the access signals is different from the second identifier corresponding to the other access signals.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the transceiver 903 is further configured to: receive a feedback signal returned by the receiving device, where The feedback signal carries indication information of the access signal selected by the receiving device from all received access signals.
  • the indication information of the access signal carried in the feedback signal is: indication information of an optimal access signal selected by the receiving device from all received access signals.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the processor 901 is further configured to: determine a signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal; and the transceiver 903 sends the signal characteristic according to the determined signal characteristic.
  • a signal carrying data information is further configured to: determine a signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal; and the transceiver 903 sends the signal characteristic according to the determined signal characteristic.
  • a receiving device is provided in the sixth embodiment of the present invention.
  • the receiving device is shown in FIG. It mainly includes a processor 1001, a memory 1002, and a transceiver 1003.
  • the transceiver 1003 receives and transmits data under the control of the processor 1001.
  • the memory 1002 stores a preset program, and the processor 1001 reads the program in the memory 1002.
  • the transceiver 1003 Receiving, by the transceiver 1003, at least one access signal, wherein the signal characteristics of the access signal comprise at least one of a time domain transmission location, a frequency domain transmission location, and a code domain characteristic, each of the access signals having different Signal characteristics;
  • the access signal includes a first component and at least one second component, and different first components of the access signal are the same, and different access signals are at least One of the second components is different.
  • the access signal is determined by the first identifier and the at least one second identifier according to a preset rule.
  • the preset rule is used to determine a mapping relationship between the first identifier and the second identifier and a signal characteristic of the access signal.
  • the transceiver 1003 is further configured to receive the first indication information, where the first indication information indicates a value range of the first identifier, where the first indication information is semi-static or dynamic information; and Or, receiving the second indication information, where the second indication information indicates a value range of the second identifier, where the second indication information is semi-static or dynamic information.
  • the different access signals correspond to the same first identifier, and at least one of the at least one second identifier corresponding to each of the at least two access signals is different. That is, at least one of the second identifiers corresponding to at least one access signal is different from the second identifier corresponding to the other access signals. In a specific implementation, at least one of the second identifiers corresponding to any one of the access signals does not correspond to the second identifier of the other access signals. with.
  • the code domain characteristic includes at least one of a basic sequence, a scrambling code sequence, and a spreading sequence.
  • the access signal is any one of the following:
  • a signal with transform characteristics in the time domain or frequency domain is A signal with transform characteristics in the time domain or frequency domain.
  • the processor 1001 selects an access signal from all the received access signals, and returns a feedback signal to the transmitting device by the transceiver 1003, where the feedback signal carries an indication of the selected access signal. information.
  • the selected access signal is an optimal access signal.
  • the number of bits of the feedback signal is pre-configured; or the number of bits of the feedback signal is notified by the sending device to the receiving device.
  • the transceiver 1001 receives, by the transceiver 1003, a signal carrying the data information sent by the sending device, where the signal carrying the data information And determining, by the sending device, a signal characteristic of the access signal indicated by the indication information of the access signal carried in the feedback signal, and transmitting according to the determined signal characteristic.
  • the processor, the memory and the transceiver are connected by a bus, and the bus architecture may include any number of interconnected buses and bridges, specifically represented by one or more processors and memories represented by the processor.
  • the various circuits of the memory are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • the transceiver can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor is responsible for managing the bus architecture and the usual processing, and the memory can store the data that the processor uses when performing operations.
  • a computer storage medium is stored in an embodiment of the present invention, where the computer readable storage medium stores computer executable instructions for causing the computer to execute execution by the sending device. Any of the methods.
  • a computer storage medium stores computer executable instructions for causing the computer to perform any of the methods performed by the receiving device described above.
  • the sending device sends at least one access signal, and each access signal has different signal characteristics, where the signal characteristics include a time domain transmission location, a frequency domain transmission location, and a code domain characteristic.
  • the signal characteristics include a time domain transmission location, a frequency domain transmission location, and a code domain characteristic.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本发明公开了一种接入信号发送、接收方法及相关设备，用以为未来通信系统中实现UE的接入过程提供解决方案。方法为：发送设备生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；所述发送设备发送至少一个所述接入信号。

Description

一种接入信号发送、接收方法及相关设备
本申请要求在2016年7月15日提交中国专利局、申请号为201610563136.2、发明名称为“一种接入信号发送、接收方法及相关设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域，尤其涉及一种接入信号发送、接收方法及相关设备。
背景技术
无线通信系统包括网络站点(node)和用户设备(User Equipment，UE)。一个无线通信系统中网络站点和UE之间进行下行传输和上行传输。无线通信系统中包括一个或者多个网络站点。
为了接入网络，UE在开机之后必须找到至少一个网络站点并通过该网络站点接入网络。如果一个无线通信系统包括多个网络站点，则UE可以通过该多个网络站点中的任意一个网络站点接入。例如，蜂窝网络中一个网络站点可以配置为一个小区(Cell)，每个小区独立发送信号，UE检测不同小区的信号并选择一个小区接入网络，该过程称为初始接入。
在长期演进(Long Term Evolution，LTE)系统中，初始同步信息是通过同步(SYNC)信号提供，SYNC信号包括两个部分，分别为主同步信号(Primary Synchronization Signal，PSS)和辅同步信号(Secondary Synchronization Signal，SSS)。UE与小区通过PSS/SSS实现频域和时域同步。每个小区发送各自的PSS/SSS。在初始同步过程中，UE寻找每个小区的PSS/SSS后，选择一个小区接入，例如UE根据每个小区的PSS/SSS选择信号最好的小区接入。
LTE系统中PSS/SSS的带宽为6个物理资源块(Physical Resource Block，PRB)，即900KHz，且PSS/SSS限制在每个小区的系统带宽的中心位置发送，每个小区发送一个PSS/SSS。一个小区的系统带宽有多种可能的取值，包括1.4MHz、5MHz、10MHz、15MHz和20MHz。UE进行小区接入之前不知道小区的系统带宽，也不知道小区的频域中心的位置。UE以100kHz为精度搜索所有可能小区的中心频点。如果UE检测到一个PSS/SSS，则UE成功检测到了该小区的中心频点，然后UE解调该小区的主信息块(master information block)获得携带小区系统带宽的信息，即可得到小区频率的起始和结束位置。
传统无线通信系统中网络站点可能有一个或多个发射天线，PSS/SSS赋形之后在多个发射天线上发送。因为PSS/SSS的设计目的是为了使小区内所有UE都可以接入，所以赋形方案的设计应该保证宽赋形，以保证PSS/SSS可以被小区内的所有UE接收到。因此，一个小区发送一个PSS/SSS。
蜂窝系统中每个小区有独立的小区标识(Cell ID)，小区内的其它信号是该小区的小区标识的函数。例如，在LTE同步信号发送过程中，PSS/SSS的基本序列(base sequence)是小区标识的函数。UE盲检每个小区的PSS/SSS，根据小区的PSS/SSS得到该小区的小区标识。具体地，PSS的基本序列是第一ID(表示为nID1)的函数，SSS基本序列是第二ID(表示为nID2)的函数，则该小区的小区标识由第一ID和第二ID得到，表示为Cell ID＝f(nID1,nID2)。
传统无线通信系统中一个小区的覆盖范围等同于一个发送/接收点(Transmit/Receive Point，TRP)的范围，等价于一个小区有一个TRP。
未来通信系统的网络部署会更加灵活，一个小区可能会有一个或多个TRP，每个TRP覆盖一个较小的范围，多个TRP联合提供整个小区的覆盖。这将存在一种可能的情况是UE是从一个TRP进行初始同步和系统接入，而不是从所有的TRP接入。另外，未来通信系统可能会使用大量的天线单元，表示为大规模多输入多输出(massive MIMO；MIMO，Multiple Input Multiple Output)，通过天线赋形产生窄波束(beam)，一个TRP产生很多波束，每个波束指向不同方向。
如何在未来通信系统中实现UE的接入过程是需要解决的问题。
发明内容
本发明实施例提供一种接入信号发送、接收方法及相关设备，用以为未来通信系统中实现UE的接入过程提供解决方案。
本发明实施例提供的具体技术方案如下：
第一方面，本发明实施例提供了一种接入信号发送方法，包括：发送设备生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；所述发送设备发送至少一个所述接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确 定。
可能的实施方式中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，所述发送设备半静态或动态发送第一指示信息，所述第一指示信息指示所述第一标识的取值范围；和/或，所述发送设备半静态或动态发送第二指示信息，所述第二指示信息指示所述第二标识的取值范围。
可能的实施方式中，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识中至少有一个与其它所述接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，所述发送设备发送至少一个所述接入信号之后，所述方法还包括：
所述发送设备接收由接收设备返回的反馈信号，其中，所述反馈信号中携带所述接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
可能的实施方式中，所述反馈信号中携带的所述接入信号的指示信息为：所述接收设备从接收到的所有接入信号中选择的最优接入信号的指示信息。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，所述发送设备接收由接收设备返回的反馈信号之后，所述方法还包括：所述发送设备确定所述反馈信号中携带的所述接入信号的指示信息所指示的接入信号的信号特性，按照确定的所述信号特性发送携带数据信息的信号。
第二方面，本发明实施例提供了一种接入信号接收方法，包括：接收设备接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；所述接收设备处理所述至少一 个接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。
可能的实施方式中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，接收设备接收第一指示信息，所述第一指示信息指示所述第一标识的取值范围，所述第一指示信息为半静态或动态信息；和/或，接收设备接收第二指示信息，所述第二指示信息指示所述第二标识的取值范围，所述第二指示信息为半静态或动态信息。
可能的实施方式中，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识中至少有一个与其它所述接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，所述接收设备处理所述至少一个接入信号，包括：所述接收设备从接收到的所有接入信号中选择一个接入信号，并向发送设备返回反馈信号，其中，所述反馈信号中携带选择的接入信号的指示信息。
可能的实施方式中，选择的接入信号为最优接入信号。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，所述接收设备向所述发送设备返回反馈信号之后，所述方法还包 括：所述接收设备接收所述发送设备发送的携带数据信息的信号，其中，所述携带数据信息的信号为所述发送设备确定所述反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的所述信号特性发送。
第三方面，本发明实施例提供了一种发送设备，包括：
处理模块，用于生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；发送模块，用于发送至少一个所述接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，所述发送模块还用于：半静态或动态发送第一指示信息，所述第一指示信息指示所述第一标识的取值范围；和/或，半静态或动态发送第二指示信息，所述第二指示信息指示所述第二标识的取值范围。
可能的实施方式中，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识中至少有一个与其它所述接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，还包括接收模块，用于：接收由接收设备返回的反馈信号，其中，所述反馈信号中携带所述接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
可能的实施方式中，所述反馈信号中携带的所述接入信号的指示信息为：所述接收设备从接收到的所有接入信号中选择的最优接入信号的指示信息。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，所述处理模块还用于：确定所述反馈信号中携带的所述接入信号的指示信息所指示的接入信号的信号特性；所述发送模块还用于：按照所述处理模块确定的所述信号特性发送携带数据信息的信号。
第四方面，本发明实施例提供了一种接收设备，包括：接收模块，用于接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；处理模块，用于处理所述至少一个接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，所述接收模块还用于：接收第一指示信息，所述第一指示信息指示所述第一标识的取值范围，所述第一指示信息为半静态或动态信息；和/或，接收第二指示信息，所述第二指示信息指示所述第二标识的取值范围，所述第二指示信息为半静态或动态信息。
可能的实施方式中，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识中至少有一个与其它所述接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，所述处理模块具体用于：从接收到的所有接入信号中选择一个接入信号；还包括发送模块，用于：向发送设备返回反馈信号，其中，所述反馈信号中携带所述处理模块选择的接入信号的指示信息。
可能的实施方式中，选择的接入信号为最优接入信号。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，所述接收模块还用于：在所述发送模块向所述发送设备返回反馈信号之后，接收所述发送设备发送的携带数据信息的信号，其中，所述携带数据信息的信号为所述发送设备确定所述反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的所述信号特性发送。
第五方面，本发明实施例提供了一种发送设备，该发送设备包括处理器、存储器和收发机，其中，收发机用于在处理器的控制下接收和发送数据，存储器中保存有预设的程序，处理器读取存储器中的程序，按照该程序执行以下过程：
生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；指示收发机发送至少一个所述接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，收发机半静态或动态发送第一指示信息，所述第一指示信息指示所述第一标识的取值范围；和/或，半静态或动态发送第二指示信息，所述第二指示信息指示所述第二标识的取值范围。
可能的实施方式中，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识中至少有一个与其它所述接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，收发机还用于：接收由接收设备返回的反馈信号，其中，所述反馈信号中携带所述接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
可能的实施方式中，所述反馈信号中携带的所述接入信号的指示信息为：所述接收设备从接收到的所有接入信号中选择的最优接入信号的指示信息。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，处理器还用于：确定所述反馈信号中携带的所述接入信号的指示信息所指示的接入信号的信号特性；收发机按照确定的所述信号特性发送携带数据信息的信号。
第六方面，本发明实施例中提供了一种接收设备，该接收设备包括处理器、存储器和收发机，其中收发机在处理器的控制下接收和发送数据，存储器中保存有预设的程序，处理器读取存储器中的程序，按照该程序执行以下过程：通过收发机接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；处理所述至少一个接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，收发机还用于接收第一指示信息，所述第一指示信息指示所述第一标识的取值范围，所述第一指示信息为半静态或动态信息；和/或，接收第二指示信息，所述第二指示信息指示所述第二标识的取值范围，所述第二指示信息为半静态或动态信 息。
可能的实施方式中，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识中至少有一个与其它所述接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，处理器从接收到的所有接入信号中选择一个接入信号；通过收发机向发送设备返回反馈信号，其中，所述反馈信号中携带选择的接入信号的指示信息。
可能的实施方式中，选择的接入信号为最优接入信号。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，处理器在通过收发机向所述发送设备返回反馈信号之后，通过收发机接收所述发送设备发送的携带数据信息的信号，其中，所述携带数据信息的信号为所述发送设备确定所述反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的所述信号特性发送。
第七方面，提供了一种计算机存储介质，所述计算机可读存储介质存储有计算机可执行指令，所述计算机可执行指令用于使所述计算机执行第一方面中的任一项所述的方法。
第八方面，提供了一种计算机存储介质，所述计算机可读存储介质存储有计算机可执行指令，所述计算机可执行指令用于使所述计算机执行第二方面中的任一项所述的方法。
基于上述技术方案，本发明实施例中，发送设备发送至少一个接入信号，每个接入信号具有不同的信号特性，该信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，使得能够根据接入信号的信号特性区分不同的接入信号，为在未来通信系统中实现UE的接入提供了解决方案。
附图说明
图1为本发明实施例中接入信号发送过程示意图；
图2为本发明实施例中接入信号接收过程示意图；
图3为本发明实施例中通信系统架构示意图；
图4为本发明实施例中不同的SYNC的频域发送位置示意图；
图5为本发明实施例中不同的SYNC的时域发送位置示意图；
图6为本发明实施例中包含两个组成部分的接入信号的传输示意图；
图7为本发明实施例中发送设备的结构示意图；
图8为本发明实施例中接收设备的结构示意图；
图9为本发明实施例中另一发送设备的结构示意图；
图10为本发明实施例中另一接收设备的结构示意图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
未来通信系统中一个小区可能会有一个或多个TRP，每个TRP覆盖一个较小的范围，多个TRP联合提供整个小区的覆盖。UE可以从其中一个TRP进行初始同步和系统接入。或者，未来通信系统可能会使用大规模MIMO，通过天线赋形产生beam，一个TRP产生很多波束，每个波束指向不同方向。UE可以通过其中一个beam进行初始同步和系统接入。该部署场景下需要多个标识，每个标识分配给不同的TRP或beam，UE通过不同的标识区分TRP或beam。
为了解决未来通信系统中UE的接入问题，本发明实施例中提供了一种接入信号传输方法，该方法通过接入信号(Access Signal，AS)所具有的信号特性区分不同的TRP或beam对应的接入信号。例如，不同的TRP对应的接入信号的信号特性不相同，或者，不同的beam对应的接入信号的信号特性不相同。
本发明实施例中的接入信号是一个宽泛的名称，用来指代终端接入网络所需要的信号的总和，可以包括一个信号，也可以包括多个信号。接入信号可以用以实现一个或多个功能，例如实现小区同步、时域或频域同步、小区系统信息接收等。需要说明的是，本发明实施例中接入信号所能够实现的功能并不限于此处列举的某个功能，本发明实施例中接入 信号也不局限于某个具体的信号。
本发明实施例中，接入信号的发送可以是在上行传输过程中，也可以是下行传输过程中，上行传输过程是指从网络设备发送给终端，下行传输过程是指从终端发送给网络设备。
本发明第一实施例中，如图1所示，接入信号的发送过程具体如下：
步骤101：发送设备生成至少一个接入信号，其中，每个接入信号具有不同的信号特性，该信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种。
其中，码域特性包括基本序列(base Sequence)、扰码序列(scrambling Sequence)和扩频序列(spreading Sequence)中的至少一种。
一个可能的实施方式中，接入信号包括第一组成部分和至少一个第二组成部分，不同的接入信号的第一组成部分相同，且不同的接入信号至少有一个第二组成部分不相同。即任意一个接入信号的第二组成部分中至少有一个与其它接入信号的第二组成部分不相同。
例如，第一接入信号的第一组成部分与第二接入信号的第一组成部分相同，第一接入信号和第二接入信号各自包含多个第二组成部分，且第一接入信号有一个第二组成部分与第二接入信号的第二组成部分不相同。
其中，不同的接入信号至少有一个第二组成部分不相同，表示不同的接入信号的频域发送位置、时域发送位置或码域特性不相同。
一个可能的实施方式中，接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，预设规则用于确定第一标识和第二标识与接入信号的信号特性之间的映射关系。
例如，接入信号是一个主标识(Primary Identifier，PID)和至少一个从标识(Secondary Identifier，SID)的函数，表示为AS＝f(PID，SID)，该函数根据该PID和该至少一个SID确定接入信号的信号特性中的一种或多种。
实施中，不同的接入信号可以对应相同的预设规则，也可以对应不同的预设规则。
具体地，发送设备半静态或动态向接收设备发送第一指示信息，该第一指示信息指示第一标识的取值范围；和/或，发送设备半静态或动态向接收设备发送第二指示信息，第二指示信息指示第二标识的取值范围。
具体地，若接入信号的数量大于一个，则不同的接入信号对应相同的第一标识，且至少有两个接入信号各自对应的至少一个第二标识中至少有一个第二标识不同。即至少有一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。一个具体实施方式中，任意一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不相同。具体地，第一接入信号对应的第二标识中至少有一个与第二接入信号对应的第二标识不相同。
例如，每个接入信号对应一个第一标识以及两个第二标识，两个接入信号各自对应的第一标识相同，且两个接入各自对应的两个第二标识中至少有一个不相同，如接入信号1的第二标识1与接入信号2的第二标识不相同。
实施中，接入信号包括但不限于以下任意一种：
下行同步信号(Synchronization Signal)；
下行系统接入信号(Initial Access Signal，也称为初始接入信号)；
TRP专有信号(TRP-specific Signal)；
波束专有信号(beam--specific Signal)；
携带系统信息块(System Information Block，SIB)的信号，SIB中携带小区专有(cell-specific)信号或者用户专有(UE-specific)信号；
上行随机接入(Random Access)信号；
在时域或频域上具有变换特性的信号。
步骤102：发送设备发送至少一个接入信号。
一个可能的实施方式中，发送设备发送至少一个所述接入信号之后，接收由接收设备返回的反馈信号，其中，反馈信号中携带接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
应用中，接入信号的指示信息可以是该接入信号的索引。
可选地，反馈信号中携带的接入信号的指示信息为：接收设备从接收到的所有接入信号中选择的最优接入信号的指示信息。
例如，发送设备分别发送每个TRP各自对应的接入信号，并根据接收设备返回的反馈信号确定最优的TRP；或者，发送设备分别发送每个beam各自对应的接入信号，并根据接收设备返回的反馈信号确定最优的beam。
具体地，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备，例如，发送设备通过特定信号显示或隐式通知接收设备反馈信号的比特位数。
一个可能的实施方式中，发送设备接收由接收设备返回的反馈信号之后，发送设备确定反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性，按照确定的信号特性发送携带数据信息的信号。
例如，发送设备根据反馈信号确定接入信号的指示信息所指示的接入信号的信号特性后，确定该信号特性对应的TRP，通过该TRP发送携带数据信息的信号；或者，发送设备根据反馈信号确定接入信号的指示信息所指示的接入信号的信号特性后，确定该信号特性 对应的beam，通过该beam发送携带数据信息的信号。
实施中，接收设备对发送设备发送的接入信号的数量和信号特性没有先验信息或者具有先验信息。
基于同一发明构思，本发明第二实施例中，如图2所示，接入信号的接收过程具体如下：
步骤201：接收设备接收至少一个接入信号，其中，接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个接入信号具有不同的信号特性。
其中，码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
一个可能的实施方式中，接入信号包括第一组成部分和至少一个第二组成部分，不同的接入信号的第一组成部分相同，且不同的接入信号至少有一个第二组成部分不相同。
一个可能的实施方式中，接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
具体地，接收设备接收发送设备发送的第一指示信息，第一指示信息指示第一标识的取值范围，第一指示信息为半静态或动态信息；和/或，接收设备接收发送设备发送的第二指示信息，第二指示信息指示第二标识的取值范围，第二指示信息为半静态或动态信息。
具体地，若接入信号的数量大于一个，不同的接入信号对应相同的第一标识，且至少有两个接入信号各自对应的至少一个第二标识中至少有一个第二标识不同。即至少有一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。一个具体实施方式中，任意一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。
实施中，接入信号包括但不限于以下任意一种：
下行同步信号；
下行系统接入信号；
TRP专有信号；
波束专有信号；
携带SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
步骤202：接收设备处理至少一个接入信号。
具体地，接收设备从接收到的所有接入信号中选择一个接入信号，并向发送设备返回 反馈信号，其中，该反馈信号中携带选择的接入信号的指示信息。
可选地，选择的接入信号为最优接入信号。需要说明的是，此处并不限制何种接入信号为最优接入信号，可以根据具体应用场景设定最优接入信号的条件，例如可以设定为根据信号强度确定最优接入信号等。
实施中，反馈信号的比特位数为预先配置；或者，反馈信号的比特位数由发送设备通知给所述接收设备。
一个可能的实施方式中，接收设备向发送设备返回反馈信号之后，接收设备接收发送设备发送的携带数据信息的信号，其中，携带数据信息的信号为发送设备确定该反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的信号特性发送。
以下通过两个具体实施例对未来通信系统中接入信号的传输过程进行具体说明。
第一具体实施例
如图3所示为通信系统架构示意图，一个无线网络覆盖提供广域覆盖。无线网络覆盖多个小区，每个小区覆盖不同的区域。一个小区定义为一个无线网络对象，可以用于接入网络，并且每个小区分别对应一个唯一的小区标识，在该小区的覆盖区域内广播发送。一个小区可以包括至少一个TRP，每个TRP包括N个天线，其中N大于或等于1。TRP上的天线可以进行波束赋形，下行信号在波束赋形之后在天线上发送。每个波束根据天线数据和波束赋形方式提供宽覆盖或窄覆盖。
该具体实施例中，在下行传输过程中，小区发送一个或多个接入信号，该接入信号为下行同步信号(SYNC)，不同的SYNC由不同的TRP发送。
该具体实施例中，一个SYNC对应一个PID和一个SID，其中，不同的SYNC对应相同的PID，且不同的SYNC对应不同的SID，SID等同于TRP的标识。
该具体实施例中，不同的SYNC至少有一个信号特性不同，UE可以根据SYNC的信号特性区分不同的SYNC。
SYNC的信号特性包括但不限于以下任意一种：
第一，频域发送位置，不同的SYNC在不同的频域位置传输，如图4所示为不同的SYNC的频域发送位置示意图。PID和SYNC在频域的发送位置之间存在函数关系。UE可以通过SYNC的频域发送位置得到该SYNC的PID的信息，或者，通过SYNC的PID的信息得到该SYNC的频域发送位置的信息。
第二，时域发送位置，不同的SYNC在时域的不同的位置传输，如图5所示为不同的SYNC的时域发送位置示意图。PID和SYNC在时域的发送位置之间存在函数关系。UE 可以通过SYNC的时域发送位置得到该SYNC的PID的信息，或者，通过SYNC的PID的信息得到该SYNC的时域发送位置的信息。
第三，码域特性，不同的SYNC的序列信息和PID之间的存在函数关系，UE可以通过SYNC的序列信息得到该SYNC的PID的信息，或者，通过SYNC的PID的信息得到该SYNC的序列信息。例如，不同的SYNC的基本序列不同；或者，不同的SYNC的扰码序列不同；或者，不同的SYNC的扩频序列不同。
第二具体实施例，
接入信号包括多个组成部分(component)，不同的接入信号至少有一个组成不同相同，并且，不同的接入信号至少有另一个组成部分不相同。如图6所示，每个接入信号存在两个组成部分，分别为组成部分1和组成部分2，不同的接入信号的组成部分1相同，并且不同的接入信号的组成部分2不相同。不同的接入信号的组成部分2在不同的频域位置发送。
基于同一发明构思，本发明第三实施例中提供了一种发送设备，该发送设备的具体实施可参见方法实施例部分的描述，重复之处不再赘述，如图7所示，该发送设备主要包括：
处理模块701，用于生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；
发送模块702，用于发送至少一个所述接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，所述发送模块还用于：半静态或动态发送第一指示信息，所述第一指示信息指示所述第一标识的取值范围；和/或，半静态或动态发送第二指示信息，所述第二指示信息指示所述第二标识的取值范围。
可能的实施方式中，若接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有两个所述接入信号各自对应的至少一个第二标识中至少有一个第二标识不同。即至少有一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。一个具体实施方式中，任意一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，还包括接收模块703，用于：接收由接收设备返回的反馈信号，其中，所述反馈信号中携带所述接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
可能的实施方式中，所述反馈信号中携带的所述接入信号的指示信息为：所述接收设备从接收到的所有接入信号中选择的最优接入信号的指示信息。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，所述处理模块还用于：确定所述反馈信号中携带的所述接入信号的指示信息所指示的接入信号的信号特性；所述发送模块还用于：按照所述处理模块确定的所述信号特性发送携带数据信息的信号。
基于同一发明构思，本发明第四实施例中提供了一种接收设备，该接收设备的具体实施可参见方法实施例部分的描述，重复之处不再赘述，如图8所示，该接收设备主要包括：
接收模块801，用于接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；
处理模块802，用于处理所述至少一个接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，所述接收模块还用于：
接收第一指示信息，所述第一指示信息指示所述第一标识的取值范围，所述第一指示信息为半静态或动态信息；和/或，
接收第二指示信息，所述第二指示信息指示所述第二标识的取值范围，所述第二指示信息为半静态或动态信息。
可能的实施方式中，不同的所述接入信号对应相同的所述第一标识，且至少有两个所述接入信号对应的至少一个第二标识中至少有一个第二标识不同。即至少有一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。一个具体实施方式中，任意一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，所述处理模块具体用于：
从接收到的所有接入信号中选择一个接入信号；
还包括发送模块803，用于：向发送设备返回反馈信号，其中，所述反馈信号中携带所述处理模块选择的接入信号的指示信息。
可能的实施方式中，选择的接入信号为最优接入信号。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，所述接收模块还用于：
在所述发送模块向所述发送设备返回反馈信号之后，接收所述发送设备发送的携带数据信息的信号，其中，所述携带数据信息的信号为所述发送设备确定所述反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的所述信号特性发送。
基于同一发明构思，本发明第五实施例中提供了一种发送设备，该发送设备的具体实 施可参见方法实施例部分的描述，重复之处不再赘述，如图9所示，该发送设备主要包括处理器901、存储器902和收发机903，其中，收发机903用于在处理器901的控制下接收和发送数据，存储器902中保存有预设的程序，处理器901读取存储器902中的程序，按照该程序执行以下过程：
生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；
指示收发机903发送至少一个所述接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，收发机903半静态或动态发送第一指示信息，所述第一指示信息指示所述第一标识的取值范围；和/或，半静态或动态发送第二指示信息，所述第二指示信息指示所述第二标识的取值范围。
可能的实施方式中，不同的所述接入信号对应相同的所述第一标识，且至少有两个所述接入信号对应的至少一个第二标识中至少有一个第二标识不同。即至少有一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。一个具体实施方式中，任意一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，收发机903还用于：接收由接收设备返回的反馈信号，其中，所 述反馈信号中携带所述接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
可能的实施方式中，所述反馈信号中携带的所述接入信号的指示信息为：所述接收设备从接收到的所有接入信号中选择的最优接入信号的指示信息。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，处理器901还用于：确定所述反馈信号中携带的所述接入信号的指示信息所指示的接入信号的信号特性；收发机903按照确定的所述信号特性发送携带数据信息的信号。
基于同一发明构思，本发明第六实施例中提供了一种接收设备，该接收设备的具体实施可参见方法实施例部分的描述，重复之处不再赘述，如图10所示，该接收设备主要包括处理器1001、存储器1002和收发机1003，其中收发机1003在处理器1001的控制下接收和发送数据，存储器1002中保存有预设的程序，处理器1001读取存储器1002中的程序，按照该程序执行以下过程：
通过收发机1003接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；
处理所述至少一个接入信号。
可能的实施方式中，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
可能的实施方式中，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。其中，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
可能的实施方式中，收发机1003还用于接收第一指示信息，所述第一指示信息指示所述第一标识的取值范围，所述第一指示信息为半静态或动态信息；和/或，接收第二指示信息，所述第二指示信息指示所述第二标识的取值范围，所述第二指示信息为半静态或动态信息。
可能的实施方式中，不同的所述接入信号对应相同的所述第一标识，且至少有两个所述接入信号各自对应的至少一个第二标识中至少有一个第二标识不同。即至少有一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不同。一个具体实施方式中，任意一个接入信号对应的第二标识中至少有一个与其它接入信号对应的第二标识不 同。
可能的实施方式中，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
可能的实施方式中，所述接入信号为以下任意一种：
下行同步信号；
下行系统接入信号；
发送接收点TRP专有信号；
波束专有信号；
携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
上行随机接入信号；
在时域或频域上具有变换特性的信号。
可能的实施方式中，处理器1001从接收到的所有接入信号中选择一个接入信号；通过收发机1003向发送设备返回反馈信号，其中，所述反馈信号中携带选择的接入信号的指示信息。
可能的实施方式中，选择的接入信号为最优接入信号。
可能的实施方式中，所述反馈信号的比特位数为预先配置；或者，所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
可能的实施方式中，处理器1001在通过收发机1003向所述发送设备返回反馈信号之后，通过收发机1003接收所述发送设备发送的携带数据信息的信号，其中，所述携带数据信息的信号为所述发送设备确定所述反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的所述信号特性发送。
其中，图9至图10中，处理器、存储器和收发机之间通过总线连接，总线架构可以包括任意数量的互联的总线和桥，具体由处理器代表的一个或多个处理器和存储器代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机可以是多个元件，即包括发送机和收发机，提供用于在传输介质上与各种其他装置通信的单元。处理器负责管理总线架构和通常的处理，存储器可以存储处理器在执行操作时所使用的数据。
基于同一发明构思，本发明实施例中提供了一种计算机存储介质，所述计算机可读存储介质存储有计算机可执行指令，所述计算机可执行指令用于使所述计算机执行上述发送设备所执行的方法中的任一项方法。
基于同一发明构思，本发明实施例中提供了一种计算机存储介质，所述计算机可读存 储介质存储有计算机可执行指令，所述计算机可执行指令用于使所述计算机执行上述接收设备所执行的方法中的任一项方法。
基于上述技术方案，本发明实施例中，发送设备发送至少一个接入信号，每个接入信号具有不同的信号特性，该信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，使得能够根据接入信号的信号特性区分不同的接入信号，并使得能够通过接入信号的信号特性确定该接入信号所对应的TRP或beam，使能够使得UE通过接入信号从一个TRP或beam接入网络，为未来通信系统中实现UE的接入提供了解决方案。
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (40)

  1. 一种接入信号发送方法，其特征在于，包括：
    发送设备生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；
    所述发送设备发送至少一个所述接入信号。
  2. 如权利要求1所述的方法，其特征在于，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
  3. 如权利要求1所述的方法，其特征在于，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。
  4. 如权利要求3所述的方法，其特征在于，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
  5. 如权利要求3所述的方法，其特征在于，所述方法还包括：
    所述发送设备半静态或动态发送第一指示信息，所述第一指示信息指示所述第一标识的取值范围；和/或，
    所述发送设备半静态或动态发送第二指示信息，所述第二指示信息指示所述第二标识的取值范围。
  6. 如权利要求3所述的方法，其特征在于，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识中至少有一个与其它所述接入信号对应的第二标识不同。
  7. 如权利要求1所述的方法，其特征在于，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
  8. 如权利要求1-7任一项所述的方法，其特征在于，所述接入信号为以下任意一种：
    下行同步信号；
    下行系统接入信号；
    发送接收点TRP专有信号；
    波束专有信号；
    携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
    上行随机接入信号；
    在时域或频域上具有变换特性的信号。
  9. 如权利要求1-7任一项所述的方法，其特征在于，所述发送设备发送至少一个所述接入信号之后，所述方法还包括：
    所述发送设备接收由接收设备返回的反馈信号，其中，所述反馈信号中携带所述接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
  10. 如权利要求9所述的方法，其特征在于，所述反馈信号中携带的所述接入信号的指示信息为：所述接收设备从接收到的所有接入信号中选择的最优接入信号的指示信息。
  11. 如权利要求9所述的方法，其特征在于，所述反馈信号的比特位数为预先配置；
    或者，
    所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
  12. 如权利要求9所述的方法，其特征在于，所述发送设备接收由接收设备返回的反馈信号之后，所述方法还包括：
    所述发送设备确定所述反馈信号中携带的所述接入信号的指示信息所指示的接入信号的信号特性，按照确定的所述信号特性发送携带数据信息的信号。
  13. 一种接入信号接收方法，其特征在于，包括：
    接收设备接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；
    所述接收设备处理所述至少一个接入信号。
  14. 如权利要求13所述的方法，其特征在于，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
  15. 如权利要求13所述的方法，其特征在于，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。
  16. 如权利要求15所述的方法，其特征在于，所述预设规则用于确定所述第一标识和所述第二标识与接入信号的信号特性之间的映射关系。
  17. 如权利要求15所述的方法，其特征在于，所述方法还包括：
    接收设备接收第一指示信息，所述第一指示信息指示所述第一标识的取值范围，所述第一指示信息为半静态或动态信息；和/或，
    接收设备接收第二指示信息，所述第二指示信息指示所述第二标识的取值范围，所述第二指示信息为半静态或动态信息。
  18. 如权利要求15所述的方法，其特征在于，若所述接入信号的数量大于一个，不同的所述接入信号对应相同的所述第一标识，且至少有一个所述接入信号对应的第二标识 中至少有一个与其它所述接入信号对应的第二标识不同。
  19. 如权利要求13所述的方法，其特征在于，所述码域特性包括基本序列、扰码序列和扩频序列中的至少一种。
  20. 如权利要求13-19任一项所述的方法，其特征在于，所述接入信号为以下任意一种：
    下行同步信号；
    下行系统接入信号；
    发送接收点TRP专有信号；
    波束专有信号；
    携带系统信息块SIB的信号，所述SIB中携带小区专有信号或者用户专有信号；
    上行随机接入信号；
    在时域或频域上具有变换特性的信号。
  21. 如权利要求13-19任一项所述的方法，其特征在于，所述接收设备处理所述至少一个接入信号，包括：
    所述接收设备从接收到的所有接入信号中选择一个接入信号，并向发送设备返回反馈信号，其中，所述反馈信号中携带选择的接入信号的指示信息。
  22. 如权利要求21所述的方法，其特征在于，选择的接入信号为最优接入信号。
  23. 如权利要求21所述的方法，其特征在于，所述反馈信号的比特位数为预先配置；
    或者，
    所述反馈信号的比特位数由所述发送设备通知给所述接收设备。
  24. 如权利要求21所述的方法，其特征在于，所述接收设备向所述发送设备返回反馈信号之后，所述方法还包括：
    所述接收设备接收所述发送设备发送的携带数据信息的信号，其中，所述携带数据信息的信号为所述发送设备确定所述反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的所述信号特性发送。
  25. 一种发送设备，其特征在于，包括：
    处理模块，用于生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；
    发送模块，用于发送至少一个所述接入信号。
  26. 如权利要求25所述的设备，其特征在于，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入 信号至少有一个所述第二组成部分不相同。
  27. 如权利要求25所述的设备，其特征在于，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。
  28. 如权利要求27所述的设备，其特征在于，所述发送模块还用于：半静态或动态发送第一指示信息，所述第一指示信息指示所述第一标识的取值范围；和/或，半静态或动态发送第二指示信息，所述第二指示信息指示所述第二标识的取值范围。
  29. 如权利要求25-28任一项所述的设备，其特征在于，还包括接收模块，用于：接收由接收设备返回的反馈信号，其中，所述反馈信号中携带所述接收设备从接收到的所有接入信号中选择的接入信号的指示信息。
  30. 如权利要求29所述的设备，其特征在于，所述处理模块还用于：
    确定所述反馈信号中携带的所述接入信号的指示信息所指示的接入信号的信号特性；
    所述发送模块还用于：
    按照所述处理模块确定的所述信号特性发送携带数据信息的信号。
  31. 一种接收设备，其特征在于，包括：
    接收模块，用于接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；
    处理模块，用于处理所述至少一个接入信号。
  32. 如权利要求31所述的设备，其特征在于，所述接入信号包括第一组成部分和至少一个第二组成部分，不同的所述接入信号的所述第一组成部分相同，且不同的所述接入信号至少有一个所述第二组成部分不相同。
  33. 如权利要求31所述的设备，其特征在于，所述接入信号由第一标识和至少一个第二标识按照预设规则确定。
  34. 如权利要求33所述的设备，其特征在于，所述接收模块还用于：
    接收第一指示信息，所述第一指示信息指示所述第一标识的取值范围，所述第一指示信息为半静态或动态信息；和/或，
    接收第二指示信息，所述第二指示信息指示所述第二标识的取值范围，所述第二指示信息为半静态或动态信息。
  35. 如权利要求31-34任一项所述的设备，其特征在于，所述处理模块具体用于：
    从接收到的所有接入信号中选择一个接入信号；
    还包括发送模块，用于：向发送设备返回反馈信号，其中，所述反馈信号中携带所述处理模块选择的接入信号的指示信息。
  36. 如权利要求35所述的设备，其特征在于，所述接收模块还用于：
    在所述发送模块向所述发送设备返回反馈信号之后，接收所述发送设备发送的携带数据信息的信号，其中，所述携带数据信息的信号为所述发送设备确定所述反馈信号中携带的接入信号的指示信息所指示的接入信号的信号特性后，按照确定的所述信号特性发送。
  37. 一种发送设备，其特征在于，包括处理器、存储器和收发机，其中，收发机用于在处理器的控制下接收和发送数据，存储器中保存有预设的程序，处理器读取存储器中的程序，按照该程序执行以下过程：
    生成至少一个接入信号，其中，每个所述接入信号具有不同的信号特性，所述信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种；指示收发机发送至少一个所述接入信号。
  38. 一种接收设备，其特征在于，包括处理器、存储器和收发机，其中收发机在处理器的控制下接收和发送数据，存储器中保存有预设的程序，处理器读取存储器中的程序，按照该程序执行以下过程：通过收发机接收至少一个接入信号，其中，所述接入信号的信号特性包括时域发送位置、频域发送位置和码域特性中的至少一种，每个所述接入信号具有不同的信号特性；处理所述至少一个接入信号。
  39. 一种计算机存储介质，其特征在于，所述计算机可读存储介质存储有计算机可执行指令，所述计算机可执行指令用于使所述计算机执行权利要求1-12任一项所述的方法。
  40. 一种计算机存储介质，其特征在于，所述计算机可读存储介质存储有计算机可执行指令，所述计算机可执行指令用于使所述计算机执行权利要求13-24任一项所述的方法。
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