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WO2016090782A1 - 随机接入配置信息发送、接收方法及装置 - Google Patents

随机接入配置信息发送、接收方法及装置 Download PDF

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Publication number
WO2016090782A1
WO2016090782A1 PCT/CN2015/076489 CN2015076489W WO2016090782A1 WO 2016090782 A1 WO2016090782 A1 WO 2016090782A1 CN 2015076489 W CN2015076489 W CN 2015076489W WO 2016090782 A1 WO2016090782 A1 WO 2016090782A1
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WIPO (PCT)
Prior art keywords
type
random access
node
reference signal
sequence
Prior art date
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Ceased
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PCT/CN2015/076489
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English (en)
French (fr)
Inventor
刘锟
鲁照华
戴博
夏树强
石靖
戴谦
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ZTE Corp
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ZTE Corp
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Publication date
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Priority to US15/535,308 priority Critical patent/US10841949B2/en
Priority to EP15867482.0A priority patent/EP3232726B1/en
Publication of WO2016090782A1 publication Critical patent/WO2016090782A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • H04W74/006Transmission of channel access control information in the downlink, i.e. towards the terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • H04W74/004Transmission of channel access control information in the uplink, i.e. towards network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup

Definitions

  • the present invention relates to the field of communications, and in particular, to a random access configuration information sending method, a receiving method, a transmitting device, a receiving device, a first type node, and a second type node.
  • H2H Human to Human
  • M2M Machine to Machine
  • a Long Term Evolution (LTE) system is taken as an example, and a random access channel (Physical Random Access Channel, PRACH for short) and a random access random access sequence are allocated in advance.
  • PRACH Physical Random Access Channel
  • PRACH Physical Random Access Channel
  • PRACH Physical Random Access Channel
  • the embodiment of the present invention provides a random access configuration information sending method, a receiving method, a sending device, a receiving device, a first type node, and a second type node, so as to at least solve the problem that the number of users accessing in the related technology is huge.
  • the scheme of using the user to access the system in the related technology may cause a huge problem of system resource overhead.
  • a method for transmitting random access configuration information including: a first type of node receiving a first type of reference signal sent by a second type of node, wherein the second type of node is included in determining The first type of reference signal transmitted in the set of time domain resources belongs to a node of the same first type of reference signal subset, wherein the first type of reference signal set includes one or more of the first type of reference signal subsets, First class reference letter
  • the set of number includes one or more first type reference signals; the first type of node sends random access configuration information to the second type of node according to the received first type of reference signal.
  • the determined set of time domain resources is continuously distributed in the frequency domain and/or the time domain, or the determined set of time domain resources is discretely distributed in the frequency domain and/or the time domain.
  • the determined set of time domain resources includes at least one of: a set of time domain resources configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner A set of time domain resources configured in a class of nodes and the second class of nodes.
  • the first type of reference signal set and/or the first type of reference signal subset are configured by at least one of: being configured by a first type of node to be sent to the second type of node;
  • the mode is configured in the first type of node and the second type of node.
  • the first type of reference signal includes at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information includes at least one of the following: configuration information of a random access channel, configuration information of random access signaling, and indication information for indicating whether to send the first type of reference signal again.
  • the configuration information of the random access channel includes at least one of: distribution information of time domain and frequency domain resources occupied by the random access channel in the determining period; random access channel duration information; random access channel start Time information; random access channel end time information.
  • the random access channel duration includes one or more of the determined periods.
  • the determining period includes at least one of: a period configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner, in the first type of node and the first The period in which the configuration is performed in the second type of node.
  • the random access channel start time information includes: a predetermined number of time domain metric units spaced apart from the determined time domain resource set end time.
  • the configuration information of the random access signaling includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the length configuration information, the length configuration information of the cyclic suffix in the random access signaling, and the cyclic access configuration information of the random access sequence includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the type of the random access sequence includes at least one of a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, and a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the method for transmitting random access configuration information further includes at least one of: the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is measured by Determining a maximum amount of delay to the received first type of reference signal; determining a length of the cyclic suffix in the random access signaling is determined by measuring a maximum delay amount of the received first type of reference signal; The length of the random access sequence cyclic shift is determined by the maximum amount of delay of the received first type of reference signal measured.
  • the sending, by the first type of node, the random access configuration information to the second type of node according to the received first type of reference signal includes: the first type of node according to the received first type reference signal Different of the first type of reference signal subsets, different different random access configuration information is sent to different second type nodes.
  • the second type of node includes at least one of: a human-to-human H2H communication terminal; a machine-to-machine M2M communication terminal; and a device-to-device D2D communication terminal.
  • a method for receiving random access configuration information including: receiving, by a second type of node, resource allocation information of a first type of reference signal sent by a first type of node; And transmitting, according to the received resource allocation information of the first type of reference signal, one or more first type reference signals selected from a first type of reference signal subset to the first type of node; the second type of node Receiving specific random access configuration information sent by the first type of node.
  • the second type of node After receiving the random access configuration information, the second type of node sends random access signaling to the first type of node according to the random access configuration information.
  • the resource allocation information of the first type of reference signal includes at least one of: quantity information of a first type of reference signal subset included in the first type of reference signal set; and a first type included in the first type of reference signal subset The quantity information of the reference signal; the information of the first type of reference signal included in the first type of reference signal subset.
  • the specific random access configuration information includes random access configuration information that is sent to a second type of node in a specific set.
  • the second type of node in the specific set includes: a second type of node that is sent in the determined time-frequency resource set and belongs to the same type of reference signal subset.
  • the second type of node sends, according to the received resource allocation information of the first type of reference signal, one or more first type reference signals selected from a first type of reference signal subset to the first type of node.
  • the second type of node sends the first type of reference signal in the determined set of time domain resources, wherein the determined set of time domain resources is continuously distributed in the frequency domain and/or the time domain, or the determined time
  • the set of domain resources is discretely distributed in the frequency domain and/or the time domain.
  • the determined set of time domain resources includes at least one of: a set of time domain resources configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner A set of time domain resources configured in a class of nodes and the second class of nodes.
  • the first type of reference signal set and/or the first type of reference signal subset are configured by at least one of: being configured by the first type of node to be sent to the second type of node; A predetermined manner is configured in the first type of node and the second type of node.
  • the method further includes: when the second type of node is receiving the random access configuration information sent by the first type of node Previously, the first type of reference signal is not transmitted, and the second type of node decodes the received random access configuration information.
  • the second type of node sends the first type of reference signal when the second type of node fails to decode the received specific random access configuration information.
  • the first type of reference signal includes at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information includes at least one of the following: configuration information of a random access channel, configuration information of random access signaling, and indication information for indicating whether to send the first type of reference signal again.
  • the configuration information of the random access channel includes at least one of: distribution information of time domain and frequency domain resources occupied by the random access channel in the determining period; random access channel duration information; random access channel start Time information; random access channel end time information.
  • the random access channel duration includes one or more of the determined periods.
  • the determining period includes at least one of: a period configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner, in the first type of node and the first The period in which the configuration is performed in the second type of node.
  • the random access channel start time information includes: a predetermined number of time domain metric units spaced apart from the determined time domain resource set end time.
  • the configuration information of the random access signaling includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the length configuration information, the length configuration information of the cyclic suffix in the random access signaling, and the cyclic access configuration information of the random access sequence includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the type of the random access sequence includes at least one of a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, and a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information receiving method includes at least one of the following: the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is determined by the measured Determining a maximum delay amount of the first type of reference signal received by the first type of node; the length of the cyclic suffix in the random access signaling is received by the measured first type of node by the first type of reference signal The maximum delay amount is determined; the length of the random access sequence cyclic shift is determined by the measured maximum delay amount of the first type of reference signal received by the first type of node.
  • the first type of node includes at least one of the following: a macro base station, a micro base station, a pico base station, a femto base station, a home base station, a low power node, and a relay station.
  • a random access configuration information sending apparatus which is applied to a first type of node, and includes: a first receiving module, configured to receive a first type sent by a second type of node a reference signal, wherein the second type of node includes a node in which the first type of reference signals transmitted in the determined set of time domain resources belong to a subset of the same first type of reference signals, wherein the first type of reference signal set includes one or a plurality of the first type of reference signal subsets, the first type of reference signal subsets including one or more first type reference signals; and a first sending module configured to receive the first type of reference signals according to the received The second type of node sends random access configuration information.
  • the determined set of time domain resources is continuously distributed in the frequency domain and/or the time domain, or the determined set of time domain resources is discretely distributed in the frequency domain and/or the time domain.
  • the determined set of time domain resources includes at least one of: a set of time domain resources configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner A set of time domain resources configured in a class of nodes and the second class of nodes.
  • the first type of reference signal set and/or the first type of reference signal subset are configured by at least one of: being configured by a first type of node to be sent to the second type of node;
  • the mode is configured in the first type of node and the second type of node.
  • the first type of reference signal includes at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information includes at least one of the following: configuration information of a random access channel, configuration information of random access signaling, and indication information for indicating whether to send the first type of reference signal again.
  • the configuration information of the random access channel includes at least one of: distribution information of time domain and frequency domain resources occupied by the random access channel in the determining period; random access channel duration information; random access channel start Time information; random access channel end time information.
  • the random access channel duration includes one or more of the determined periods.
  • the determining period includes at least one of: a period configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner, in the first type of node and the first The period in which the configuration is performed in the second type of node.
  • the random access channel start time information includes: a predetermined number of time domain metric units spaced apart from the determined time domain resource set end time.
  • the configuration information of the random access signaling includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the length configuration information, the length configuration information of the cyclic suffix in the random access signaling, and the cyclic access configuration information of the random access sequence includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the type of the random access sequence includes at least one of a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, and a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information sending apparatus includes at least one of the following: the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is measured to receive The maximum delay amount of the first type of reference signal is determined; the length of the cyclic suffix in the random access signaling is determined by measuring the maximum delay amount of the received first type reference signal; the random access The length of the sequence cyclic shift is determined by the maximum amount of delay measured to the received first type of reference signal.
  • the first sending module includes: sending different random access configurations to different second type nodes according to the different first subset of reference signal subsets to which the received first type reference signal belongs information.
  • the second type of node includes at least one of: a human-to-human H2H communication terminal; a machine-to-machine M2M communication terminal; and a device-to-device D2D communication terminal.
  • a random access configuration information receiving apparatus where the apparatus is applied to a second type of node, including: a second receiving module, configured to receive the first type sent by the first type of node a resource allocation information of the reference signal; the second sending module is configured to send, according to the received resource allocation information of the first type of reference signal, one or more first type reference signals selected from a first type of reference signal subset And the third receiving module is configured to receive specific random access configuration information sent by the first type of node.
  • the random access configuration information receiving apparatus further includes: a third sending module, configured to send random access signaling to the first type of node according to the random access configuration information.
  • the resource allocation information of the first type of reference signal includes at least one of: quantity information of a first type of reference signal subset included in the first type of reference signal set; and a first type included in the first type of reference signal subset The quantity information of the reference signal; the information of the first type of reference signal included in the first type of reference signal subset.
  • the specific random access configuration information includes random access configuration information that is sent to a second type of node in a specific set.
  • the second type of node in the specific set includes: a second type of node that is sent in the determined time-frequency resource set and belongs to the same type of reference signal subset.
  • the second sending module includes: the second type of node sending the first type of reference signal in a determined time domain resource set, where the determined time domain resource set is in a frequency domain and/or a time domain
  • the continuous distribution, or the determined set of time domain resources, is discretely distributed in the frequency domain and/or the time domain.
  • the determined set of time domain resources includes at least one of: a set of time domain resources configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner A set of time domain resources configured in a class of nodes and the second class of nodes.
  • the first type of reference signal set and/or the first type of reference signal subset are configured by at least one of: being configured by the first type of node to be sent to the second type of node; A predetermined manner is configured in the first type of node and the second type of node.
  • the random access configuration information receiving apparatus further includes: a decoding module, configured to not send the first type reference before the second type of node receives the random access configuration information sent by the first type of node The signal then decodes the received random access configuration information.
  • a decoding module configured to not send the first type reference before the second type of node receives the random access configuration information sent by the first type of node The signal then decodes the received random access configuration information.
  • the random access configuration information receiving apparatus further includes: a third sending module, configured to send the first type reference signal when the decoding module fails to decode.
  • the first type of reference signal includes at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information includes at least one of the following: configuration information of a random access channel, configuration information of random access signaling, and indication information for indicating whether to send the first type of reference signal again.
  • the configuration information of the random access channel includes at least one of: distribution information of time domain and frequency domain resources occupied by the random access channel in the determining period; random access channel duration information; random access channel start Time information; random access channel end time information.
  • the random access channel duration includes one or more of the determined periods.
  • the determining period includes at least one of: a period configured by the first type of node to be sent to the second type of node by signaling; in the predetermined manner, in the first type of node and the first The period in which the configuration is performed in the second type of node.
  • the random access channel start time information includes: a predetermined number of time domain metric units spaced apart from the determined time domain resource set end time.
  • the configuration information of the random access signaling includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the length configuration information, the length configuration information of the cyclic suffix in the random access signaling, and the cyclic access configuration information of the random access sequence includes at least one of: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the type of the random access sequence includes at least one of a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, and a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information receiving apparatus includes at least one of: the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is measured
  • the first type of node receives the maximum delay amount determination of the first type of reference signal; the length of the cyclic suffix in the random access signaling is received by the measured first type node by the first type
  • the maximum delay amount of the reference signal is determined; the length of the random access sequence cyclic shift is determined by the measured maximum delay amount of the first type of reference signal received by the first type of node.
  • the first type of node includes at least one of the following: a macro base station, a micro base station, a pico base station, a femto base station, a home base station, a low power node, and a relay station.
  • a first type of node comprising the random access configuration information transmitting apparatus according to any one of the preceding claims.
  • the first type of node includes at least one of the following: a macro base station, a micro base station, a pico base station, a femto base station, a home base station, a low power node, and a relay station.
  • a second type of node comprising the random access configuration information receiving apparatus according to any one of the preceding claims.
  • the second type of node includes at least one of: a human-to-human H2H communication terminal; a machine-to-machine M2M communication terminal; and a device-to-device D2D communication terminal.
  • the first type of reference signal sent by the second type of node is received by the first type of node, where the second type of node includes the first type of reference signal sent in the determined set of time domain resources belongs to the same a node of a first type of reference signal subset, wherein the first type of reference signal set includes one or more of the first type of reference signal subsets, and the first type of reference signal subset includes one or more first types a reference signal; the first type of node sends random access configuration information to the second type of node according to the received first type of reference signal, and solves the problem that when the number of users accessed is huge, the user in the related technology is used. The solution of accessing the system will lead to a huge problem of system resource overhead, thereby achieving the effect of reducing resource overhead.
  • FIG. 1 is a flowchart of a method for transmitting random access configuration information according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for receiving random access configuration information according to an embodiment of the present invention
  • FIG. 3 is a structural block diagram of a random access configuration information transmitting apparatus according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a random access configuration information receiving apparatus according to an embodiment of the present invention.
  • FIG. 5 is a block diagram of a first preferred structure of a random access configuration information receiving apparatus according to an embodiment of the present invention
  • FIG. 6 is a second preferred structural block diagram of a random access configuration information receiving apparatus according to an embodiment of the present invention.
  • FIG. 7 is a third preferred structural block diagram of a random access configuration information receiving apparatus according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram of a first type of node according to an embodiment of the present invention.
  • FIG. 9 is a structural block diagram of a second type of node according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a first random access resource allocation according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a second random access resource allocation according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a third random access resource allocation according to an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of a fourth type of random access resource allocation according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a random access configuration information sending method according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:
  • Step S102 The first type of node receives the first type of reference signal sent by the second type of node, where the second type of node includes the first type of reference signal sent in the determined time domain resource set and belongs to the same first type of reference signal. a node of the subset, wherein the first type of reference signal set includes one or more first type reference signal subsets, and the first type of reference signal subset includes one or more first type reference signals;
  • Step S104 The first type node sends random access configuration information to the second type of node according to the received first type reference signal.
  • the first type of node sends the random access configuration information to the second type of node according to the first type of reference signal sent by the second type of node, which can effectively reduce resource overhead, thereby solving the problem of the accessed user.
  • the scheme of using the user to access the system in the related technology may cause a huge problem of system resource overhead, thereby achieving the effect of reducing resource overhead.
  • the determined set of time domain resources is continuously distributed in the frequency domain and/or the time domain, or the determined set of time domain resources is discretely distributed in the frequency domain and/or the time domain.
  • the determined set of time domain resources may include at least one of: a set of time domain resources configured by a first type of node to be sent to a second type of node by signaling; a first type of node and a second by a predetermined manner A collection of time domain resources configured in a class node.
  • the first type of reference signal set and/or the first type of reference signal subset may be configured by at least one of: being configured by the first type of node to be sent to the second type of node; in a predetermined manner in the first type Configured in the node and the second type of node.
  • the first type of reference signal may include at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, and a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the type of the random access configuration information may be multiple.
  • the random access configuration information may include at least one of the following: configuration information of the random access channel, configuration information of the random access signaling. And indication information indicating whether to send the first type of reference signal again.
  • the configuration information of the random access channel may include at least one of the following: the distribution of the time domain and the frequency domain resource occupied by the random access channel in the determined period Information; random access channel duration information; random access channel start time information; random access channel end time information.
  • the random access channel duration may include one or more determined periods.
  • the determining period may be determined by at least one of the following manners: a period configured by the first type of node by signaling to the second type of node; configuring in the first type of node and the second type of node by using a predetermined manner Cycle.
  • the random access channel start time information may include: a predetermined number of time domain metric units are spaced apart from the determined time domain resource set end time.
  • the configuration information of the foregoing random access signaling may include at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the length configuration information, the length configuration information of the cyclic suffix in the random access signaling, and the cyclic access configuration information of the random access sequence may include at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a cyclic prefix in the random access signaling.
  • the type of the random access sequence may include at least one of the following: a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, and a pseudo random sequence, where The orthogonal sequence may comprise a Zadoff chu sequence.
  • the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is measured to receive
  • the maximum delay amount of a type of reference signal is determined; the length of the cyclic suffix in random access signaling is measured and received.
  • the maximum amount of delay of the reference signal is determined; the length of the cyclic shift of the random access sequence is determined by the maximum amount of delay measured to the received first type of reference signal.
  • the sending, by the first type of node, the random access configuration information to the second type of node according to the received first type of reference signal includes: the first type of node according to the different first type of reference signal subsets to which the received first type of reference signal belongs Different second type nodes send different random access configuration information.
  • the second type of node may include at least one of the following: a human-to-human H2H communication terminal; a machine-to-machine M2M communication terminal; and a device-to-device D2D communication terminal.
  • FIG. 2 is a flowchart of a random access configuration information receiving method according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 The second type of node receives resource allocation information of the first type of reference signal sent by the first type of node.
  • Step S204 The second type of node sends, according to the received resource allocation information of the first type of reference signal, one or more first type reference signals selected from a first type of reference signal subset to the first type of node;
  • Step S206 the second type of node receives the specific random access configuration information sent by the first type of node.
  • the second type of node is used to select the first type of reference signal according to the resource allocation information, and the random access configuration information is sent to the first type of node according to the first type of reference signal, thereby solving the problem that the number of users accessing is huge.
  • the system resource overhead is huge, and the effect of reducing resource overhead is achieved.
  • the second type node After receiving the random access configuration information, the second type node sends random access signaling to the first type of node according to the random access configuration information.
  • the resource allocation information of the first type of reference signal may include at least one of: quantity information of a first type of reference signal subset included in the first type of reference signal set; and first type of reference signal The quantity information of the first type of reference signals included in the subset; the information of the first type of reference signals included in the subset of the first type of reference signals.
  • the specific random access configuration information includes random access configuration information that is sent to a second type of node in a specific set.
  • the second type of node in the specific set includes: the second type of node that the first type of reference signal sent in the determined time frequency resource set belongs to the same first type of reference signal subset.
  • the second type of node sends, according to the received resource allocation information of the first type of reference signal, one or more first type reference signals selected from a first type of reference signal subset to the first type of node, including: a second type of node Transmitting, in the determined set of time domain resources, a first type of reference signal, wherein the determined set of time domain resources is continuously distributed in a frequency domain and/or a time domain, or the determined set of time domain resources is in a frequency domain and/or Discrete distribution over time domain.
  • the determined time domain resource set may include at least one of the following: a time domain resource set configured by the first type of node to be sent to the second type of node by signaling; and the first type of node and the second by a predetermined manner A collection of time domain resources configured in a class node.
  • the first type of reference signal set and/or the first type of reference signal subset may be configured by at least one of: being configured by the first type of node to be sent to the second type of node; in a predetermined manner in the first type Configured in the node and the second type of node.
  • the method further includes: when the second type of node receives the random access configuration information sent by the first type of node, the first type is not sent.
  • the reference signal, the second type of node decodes the received specific random access configuration information.
  • the second type of node fails to decode the received specific random access configuration information, the second type of node sends the first type of reference signal.
  • the type of the first type of reference signal may be multiple.
  • the first type of reference signal may include at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, and a quasi-positive A sequence, a pseudo-random sequence, wherein the orthogonal sequence can be a Zadoff chu sequence.
  • the random access configuration information includes at least one of the following: configuration information of the random access channel, configuration information of the random access signaling, and indication information for indicating whether to transmit the first type of reference signal again.
  • the configuration information of the random access channel may include at least one of: distribution information of time domain and frequency domain resources occupied by the random access channel in the determined period; random access channel duration information; random access channel start time Information; random access channel end time information.
  • the random access channel duration described above includes one or more determination periods.
  • the determining period may include at least one of: a period configured by a first type of node to be sent to a second type of node by signaling; a period of configuring in a first type of node and a second type of node by a predetermined manner .
  • the random access channel start time information includes: a predetermined number of time domain metric units spaced apart from the determined time domain resource set end time.
  • the configuration information of the random access signaling may include at least one of the following: a type of the random access sequence, a random access sequence length, index information of one or more random access sequences, and a length of a cyclic prefix in the random access signaling. Configuration information, length configuration information of the cyclic suffix in the random access signaling, and cyclic shift configuration information of the random access sequence.
  • the type of random access sequence includes at least one of the following: a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the method for receiving the random access configuration information further includes: the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is received by the measured first type of node.
  • the maximum delay amount of a type of reference signal is determined; the length of the cyclic suffix in the random access signaling is determined by the measured maximum delay of the first type of reference signal received by the first type of node; the random access sequence is cyclically shifted
  • the length is determined by the measured maximum delay amount of the first type of reference signal received by the first type of node.
  • the foregoing first type of node may include at least one of the following: a macro base station, a micro base station, a pico base station, a femto base station, a home base station, a low power node, and a relay station.
  • a random access configuration information sending apparatus is further provided, and the apparatus is configured to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 3 is a structural block diagram of a random access configuration information transmitting apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a first type of node.
  • the apparatus includes a first receiving module 32 and a first sending module 34. The device will be described below.
  • the first receiving module 32 is configured to receive the first type of reference signal sent by the second type of node, where the second type of node includes the first type of reference signal sent in the determined time domain resource set belongs to the same first type reference a node of the signal subset, wherein the first type of reference signal set includes one or more first type reference signal subsets, the first type of reference signal subset includes one or more first type reference signals; the first transmitting module 34. Connect to the first receiving module 32, and set to send random access configuration information to the second type of node according to the received first type reference signal.
  • the foregoing determined time domain resource set is continuously distributed in the frequency domain and/or the time domain, or the determined time domain resource set is discretely distributed in the frequency domain and/or the time domain.
  • the determined set of time domain resources includes at least one of the following: a set of time domain resources configured by the first type of node to be sent to the second type of node by signaling; the first type of node and the second type of node by a predetermined manner A collection of time domain resources that are configured in .
  • the first type of reference signal set and/or the first type of reference signal subset may be configured by at least one of: being configured by the first type of node to be sent to the second type of node; in a predetermined manner in the first type Configured in the node and the second type of node.
  • the first type of reference signal includes at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence may include a Zadoff chu sequence.
  • the random access configuration information includes at least one of the following: configuration information of the random access channel, configuration information of the random access signaling, and indication information for indicating whether to transmit the first type of reference signal again.
  • the configuration information of the random access channel includes at least one of: distribution information of time domain and frequency domain resources occupied by the random access channel in the determined period; random access channel duration information; random access channel start time information ; random access channel end time information.
  • the random access channel duration includes one or more determined periods.
  • the determining period may include at least one of the following: a period configured by the first type of node to be sent to the second type of node by signaling; and a period of configuring in the first type of node and the second type of node by a predetermined manner .
  • the random access channel start time information includes: a predetermined number of time domain metric units spaced apart from the determined time domain resource set end time.
  • the configuration information of the random access signaling includes at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a length configuration of a cyclic prefix in the random access signaling.
  • Information, length configuration information of the cyclic suffix in the random access signaling, and cyclic shift configuration information of the random access sequence includes at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a length configuration of a cyclic prefix in the random access signaling.
  • Information, length configuration information of the cyclic suffix in the random access signaling, and cyclic shift configuration information of the random access sequence includes at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a length configuration of a cyclic prefix in the random access signaling.
  • the type of random access sequence includes at least one of the following: a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information sending apparatus includes at least one of the following: the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is measured by the received first type of reference signal The maximum delay amount is determined; the length of the cyclic suffix in the random access signaling is measured to the received first type of reference signal The maximum amount of delay is determined; the length of the cyclic shift of the random access sequence is determined by the maximum amount of delay measured to the received first type of reference signal.
  • the first sending module 34 includes: sending different random access configuration information to different second type nodes according to different first type reference signal subsets to which the received first type reference signals belong.
  • the second type of nodes described above may include at least one of the following: a human-to-human H2H communication terminal; a machine-to-machine M2M communication terminal; and a device-to-device D2D communication terminal.
  • FIG. 4 is a structural block diagram of a random access configuration information receiving apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a second type of node.
  • the apparatus includes a second receiving module 42 and a second sending module 44.
  • the third receiving module 46 the device continues to be described below.
  • the second receiving module 42 is configured to receive resource allocation information of the first type of reference signal sent by the first type of node;
  • the second sending module 44 is connected to the second receiving module 42 and configured to receive the first type of reference signal according to the received
  • the resource allocation information is sent to the first type of node from one or more first type reference signals selected from a first type of reference signal subset;
  • the third receiving module 46 is connected to the second sending module 44, and is configured to receive Specific random access configuration information sent by the first type of node.
  • FIG. 5 is a first preferred structural block diagram of a random access configuration information receiving apparatus according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes a third sending module 52 in addition to all the modules shown in FIG. The module will be described below.
  • the third sending module 52 is connected to the third receiving module 46, and is configured to send random access signaling to the first type of node according to the random access configuration information.
  • the resource allocation information of the first type of reference signal includes at least one of: quantity information of a first type of reference signal subset included in the first type of reference signal set; and a first type of reference signal included in the first type of reference signal subset Quantity information; information of the first type of reference signal included in the first type of reference signal subset.
  • the specific random access configuration information includes random access configuration information that is sent to a second type of node in a particular set.
  • the second type of node in the specific set includes: the first type of reference signals transmitted in the determined time-frequency resource set belong to the second type of node of the same first type of reference signal subset.
  • the second sending module includes: the second type of node sends the first type of reference signal in the determined time domain resource set, wherein the determined time domain resource set is continuously distributed in the frequency domain and/or the time domain, or the determining The set of time domain resources is discretely distributed in the frequency domain and/or the time domain.
  • the determined set of time domain resources includes at least one of the following: a set of time domain resources configured by the first type of node to be sent to the second type of node by signaling; the first type of node and the second type of node by a predetermined manner A collection of time domain resources that are configured in .
  • the first type of reference signal set and/or the first type of reference signal subset are configured by at least one of: being configured by the first type of node to be sent to the second type of node; in a predetermined manner in the first type of node Configured with the second type of node.
  • FIG. 6 is a second preferred structural block diagram of a random access configuration information receiving apparatus according to an embodiment of the present invention. As shown in FIG. 6, the apparatus includes a decoding module 62, in addition to all the modules shown in FIG. The decoding module 62 will be described.
  • the decoding module 62 is connected to the third receiving module 46, and is configured to decode the received specific one when the second type of node does not send the first type of reference signal before receiving the random access configuration information sent by the first type of node. Random access configuration information.
  • FIG. 7 is a third preferred structural block diagram of a random access configuration information receiving apparatus according to an embodiment of the present invention. As shown in FIG. 7, the apparatus includes a fourth sending module 72 in addition to all the modules shown in FIG. , which will be explained below.
  • the fourth sending module 72 is connected to the decoding module 62, and is configured to send the first type of reference signal when the decoding module 62 fails to decode.
  • the first type of reference signal includes at least one of the following types: a predetermined signal, a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the random access configuration information includes at least one of the following: configuration information of the random access channel, configuration information of the random access signaling, and indication information for indicating whether to transmit the first type of reference signal again.
  • the configuration information of the random access channel includes at least one of: distribution information of time domain and frequency domain resources occupied by the random access channel in the determined period; random access channel duration information; random access channel start time information ; random access channel end time information.
  • the random access channel duration includes one or more determined periods.
  • the determining period includes at least one of the following: a period configured by the first type of node to be sent to the second type of node by signaling; and a period of configuring in the first type of node and the second type of node by a predetermined manner.
  • the random access channel start time information includes: a predetermined number of time domain metric units spaced apart from the determined time domain resource set end time.
  • the configuration information of the random access signaling includes at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a length configuration of a cyclic prefix in the random access signaling.
  • Information, length configuration information of the cyclic suffix in the random access signaling, and cyclic shift configuration information of the random access sequence includes at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a length configuration of a cyclic prefix in the random access signaling.
  • Information, length configuration information of the cyclic suffix in the random access signaling, and cyclic shift configuration information of the random access sequence includes at least one of the following: a type of a random access sequence, a random access sequence length, index information of one or more random access sequences, and a length configuration of a cyclic prefix in the random access signaling.
  • the type of random access sequence includes at least one of the following: a predetermined sequence, an orthogonal sequence, a quasi-orthogonal sequence, a pseudo-random sequence, wherein the orthogonal sequence includes a Zadoff chu sequence.
  • the foregoing random access configuration information receiving apparatus further includes at least one of the following: the type of the random access sequence is the same as the type of the first type of reference signal; and the length of the cyclic prefix in the random access signaling is received by the measured first type of node The maximum delay amount of the first type of reference signal is determined; the length of the cyclic suffix in the random access signaling is determined by the measured maximum delay of the first type of reference signal received by the first type of node; the random access sequence is cyclically shifted The length is determined by the measured maximum delay amount of the first type of reference signal received by the first type of node.
  • the first type of node may include at least one of the following: a macro base station, a micro base station, a pico base station, a femto base station, a home base station, a low power node, and a relay station.
  • FIG. 8 is a structural block diagram of a first type of node according to an embodiment of the present invention. As shown in FIG. 8, the first type of node 82 includes the random access configuration information transmitting apparatus 84 of any of the above.
  • the first type of node includes at least one of the following: a macro base station, a micro base station, a pico base station, a femto base station, a home base station, a low power node, and a relay station.
  • FIG. 9 is a structural block diagram of a second type of node according to an embodiment of the present invention. As shown in FIG. 9, the second type of node 92 includes the random access configuration information receiving apparatus 94 of any of the above.
  • the second type of node may include at least one of: a human-to-human H2H communication terminal; a machine-to-machine M2M communication terminal; and a device-to-device D2D communication terminal.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the node may be at least one of the following: a macro cell, a micro cell, a pico cell, a femto cell, a home base station, a low power node (LPN), and a relay station ( Relay).
  • a macro cell a macro cell
  • a micro cell a micro cell
  • a pico cell a pico cell
  • a femto cell a home base station
  • LPN low power node
  • Relay relay station
  • the terminal can be at least one of the following:
  • H2H Human to Human
  • M2M Machine to Machine
  • D2D Device to Device
  • step 1
  • the reference signal is One or more orthogonal sequences or one or more quasi-orthogonal sequences or one or more pseudo-random sequences, in this embodiment, the reference signal may be a Zadoff chu sequence.
  • the Node A informs the UE of the index of the Zadoffchu sequence that can be used as the reference signal.
  • the sequence 1 to the sequence 10 are used as the Zadoff chu sequence available to the UE.
  • Each of UE1 to UE6 randomly selects one sequence from sequence 1 to sequence 10 as a reference signal, and transmits a reference signal on the time-frequency resource indicated by the NodeA.
  • the position of the time-frequency resource is as shown in FIG. 10, and FIG. 10 is based on A schematic diagram of the first type of random access resource allocation in the embodiment of the present invention, as shown in FIG. 10, Block 1 to Block n are time-frequency resources for transmitting reference signals, occupy the same frequency resource, and are discretely distributed in the time domain, and the interval time may be The same or different; in this embodiment, UE1 to UE3 randomly select sequence 1 and transmit on both, and UE4 to UE6 randomly select sequence 5 and transmit on both.
  • Node A When receiving the reference signal on Block1, Node A knows that sequence 1 and sequence 5 are transmitted, and according to the detected energy of sequence 1 and sequence 5, 3 UEs respectively transmit sequence 1 and sequence 5. Node A sends two sets of random access configuration information, which are recorded as sequence 1 and sequence 5, respectively, as random access configuration information 1 and random access configuration information 2.
  • the random access configuration information includes: configuration information of the random access channel and configuration information of the random access signaling;
  • the configuration information of the random access channel includes:
  • the configuration information of the random access channel sent by the Node A for the sequence 1 is recorded as the configuration information 1 of the random access channel, which is included in the time interval of a time domain length T, occupied by the random access channel.
  • the distribution information of the time-frequency resources is as shown in TF1-1 to TF1-6 in FIG.
  • the configuration information of the random access channel sent by the Node A for the sequence 5 is recorded as the configuration information 2 of the random access channel, which includes the distribution of the time-frequency resources occupied by the random access channel in a time period in which the time domain length is T.
  • the information is as shown in TF2-1 to TF2-3 in FIG.
  • the configuration information of the random access signaling includes at least one of the following:
  • the configuration information of the random access signaling sent by the Node A for the sequence 1 is recorded as the configuration information 1 of the random access signaling, which includes:
  • the type of the random access sequence is a Zadoff chu sequence, which has the same structure as the above reference signal;
  • the length of the random access sequence is the same as the reference signal
  • the cyclic shift configuration information N1cs of the random access sequence ie, the number of cyclic shifts indicating the difference between two adjacent random access sequences
  • the index information of the random access sequence that can be selected for example, index 1 to index 4, the number of configured random access sequences is determined by the Node A according to the number of UEs that have detected the transmission sequence 1. Further, in order to reduce the collision collision probability, the number of random access sequences allocated by the Node A may be greater than the number of UEs that the Node A detects the transmission sequence 1;
  • the length of the N1cp and/or the length of the random access sequence length N1zc is determined by the Node A according to the maximum delay amount of the sequence 1 received by the measurement;
  • the configuration information of the random access signaling sent by the Node A for the sequence 5 is recorded as the configuration information 2 of the random access signaling, which includes:
  • the type of the random access sequence is a Zadoff chu sequence, which has the same structure as the reference signal;
  • the length of the random access sequence is the same as the reference signal
  • the cyclic shift configuration information N2cs of the random access sequence ie, the number of cyclic shifts indicating the difference between two adjacent random access sequences
  • the index information of the random access sequence that can be selected for example, index 1 to index 6, the number of configured random access sequences is determined by the Node A according to the number of UEs that have detected the transmission sequence 5. Moreover, in order to reduce the collision collision probability, the number of random access sequences allocated by the Node A may be greater than the number of UEs that the Node A detects the transmission sequence 5;
  • the length of N2cp and/or the length of N2zc is determined by Node A according to the maximum delay amount of the sequence 5 received by the measurement;
  • UE1 to UE3 decode random access configuration information 1, and each UE randomly selects one time-frequency resource to transmit a random access sequence in TF1-1 to TF1-6, and the index of the random access sequence is randomly from index 1 to index 4. select;
  • UE4 to UE6 decode random access configuration information 2, and each UE randomly selects one time-frequency resource to transmit a random access sequence in TF2-1 to TF2-3, and the index of the random access sequence is randomly from index 1 to index 6. select;
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • step 1
  • terminals UE1, UE2, UE3, UE4, UE5, and UE6 In order to access the wireless system, these UEs first send reference signals to one node (recorded as Node A) in the system, and the reference signal is multiple. Orthogonal sequence.
  • the Node A informs the UE that it can be used as an index of the reference signal.
  • the sequence 1 to the sequence 10 serve as reference signals available to the UE.
  • Each of UE1 to UE6 randomly selects one sequence from sequence 1 to sequence 10 as a reference signal, and transmits a reference signal on the time-frequency resource indicated by the NodeA.
  • the location of the time-frequency resource is as shown in FIG. 11, and FIG. 11 is based on A schematic diagram of a second random access resource allocation according to an embodiment of the present invention, as shown in FIG. 11, Block(1,1) to Block(m,n)
  • the time-frequency resources for transmitting the reference signal are discretely distributed in the time domain and the frequency domain.
  • UE1 to UE4 randomly select sequence 1 and transmit on Block(1,1) to Block(m,n).
  • UE5 to UE6 randomly select sequence 2 and transmit on Block(1,1) to Block(m,n).
  • each block resource can support complete reference signal transmission.
  • Node A When Node A receives the reference signal on Block(1,1) to Block(m,n), it knows that sequence 1 and sequence 2 are transmitted, and according to the detected energy of sequence 1 and sequence 2, how many are respectively determined.
  • the UE sends sequence 1 and sequence 2, wherein the principle of judgment is:
  • Node A pre-defines a plurality of energy judgment thresholds, such as TH1, TH2, ... THmax, satisfying the condition TH1 ⁇ TH2 ⁇ ... ⁇ THmax; Node A determines the number of detected UEs according to the energy of the detected sequence satisfying different threshold intervals, each There is a mapping relationship between the threshold interval and the number of UEs that are determined to be detected;
  • the Node A determines, according to the above-mentioned judging principle, how many UEs have transmitted Sequence 1 and Sequence 2, for example, it is determined that 4 UEs have transmitted Sequence 1, and 3 UEs have transmitted Sequence 2.
  • Node A sends two sets of random access configuration information, which are recorded as sequence 1 and sequence 2, respectively, as random access configuration information 1 and random access configuration information 2.
  • the random access configuration information includes: configuration information of the random access channel and configuration information of the random access signaling;
  • the configuration information of the random access channel includes:
  • the configuration information of the random access channel sent by the Node A for the sequence 1 is recorded as the configuration information 1 of the random access channel, which is included in the time interval of a time domain length T1, occupied by the random access channel.
  • the distribution information of the time-frequency resources is shown as TF1 to TF5 in FIG.
  • the configuration information of the random access channel sent by the Node A for the sequence 2 is recorded as the configuration information 2 of the random access channel, including the distribution of the time-frequency resources occupied by the random access channel in a time period of the time domain length T2.
  • the information is as shown in TF1, TF3, and TF5 in FIG.
  • the configuration information of the random access signaling may include at least one of the following:
  • the configuration information of the random access signaling sent by the Node A for the sequence 1 is recorded as the configuration information 1 of the random access signaling, which includes:
  • the type of the random access sequence is an orthogonal sequence
  • the length of the random access sequence is N1;
  • the index information of the random access sequence that can be selected for example, index 1 to index 8, the number of configured random access sequences is determined by the Node A according to the number of UEs that have detected the transmission sequence 1. Further, in order to reduce the collision collision probability, the number of random access sequences allocated by the Node A may be greater than the number of UEs that the Node A detects the transmission sequence 1;
  • the length configuration information of the cyclic prefix in the random access signaling is N1circleprefix
  • the length configuration information of the cyclic suffix in the random access signaling is N1circlepostfix
  • N1circleprefix and/or N1circlepostfix and/or N1 are determined by Node A according to the maximum delay amount of the sequence 1 received by the measurement;
  • the configuration information of the random access signaling sent by the Node A for the sequence 2 is recorded as the configuration information 2 of the random access signaling, which includes:
  • the type of the random access sequence is a predefined sequence
  • the length of the random access sequence is N2;
  • the index information of the random access sequence that can be selected, for example, index 9 to index 14, the number of configured random access sequences is determined by the Node A according to the number of UEs that have detected the transmission sequence 2. Further, in order to reduce the collision collision probability, the number of random access sequences allocated by the Node A may be greater than the number of UEs that the Node A detects the transmission sequence 2;
  • N2cp and/or N2 are determined by Node A according to the maximum delay amount of the sequence 2 received by the measurement;
  • UE1 to UE4 decode the random access configuration information 1, and each UE randomly selects one time-frequency resource to transmit a random access sequence in TF1 to TF6, and the index of the random access sequence is randomly selected from index 1 to index 8.
  • UE5 to UE6 decode random access configuration information 2, and each UE randomly selects one time-frequency resource to transmit a random access sequence in TF1, TF3, and TF5, and the index of the random access sequence is randomly selected from index 9 to index 14;
  • the Node A transmitting the reference signal may also be at least one of the following:
  • One or more predefined signals are One or more predefined signals
  • One or more orthogonal sequences are One or more orthogonal sequences
  • One or more pseudo-random sequences are One or more pseudo-random sequences.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • step 1
  • terminals UE1, UE2, UE3, UE4, UE5, and UE6 In order to access the wireless system, these UEs first send reference signals to one node (recorded as Node A) in the system, and the reference signal is multiple. Orthogonal sequence.
  • the Node A informs the UE that it can be used as an index of the reference signal.
  • the sequence 1 to the sequence 10 serve as reference signals available to the UE.
  • Each of UE1 to UE6 randomly selects a plurality of sequences from sequence 1 to sequence 10 as reference signals, and transmits a reference signal on the time-frequency resource indicated by the NodeA.
  • the position of the time-frequency resource is as shown in FIG. 12, and FIG. 12 is According to the third random access resource allocation diagram of the embodiment of the present invention, as shown in FIG. 12, Block(1, 1) to Block(3, 2) are time-frequency resources for transmitting reference signals, in time domain and frequency domain. Discrete distribution; in this embodiment, UE1 randomly selects sequences 1, 2, and 3, and sequence 1 is transmitted on Block(1,1) and Block(1,2), and sequence 2 is in Block(2,1) and Block. (2, 2) is sent, sequence 3 is sent on Block (3, 1) and Block (3, 2).
  • each block resource can support complete reference signal transmission.
  • the Node A determines, according to the detected energy of the sequence 1 to the sequence 6, how many UEs respectively transmit the reference signal, wherein the principle of judgment for:
  • Node A pre-defines a plurality of energy judgment thresholds, such as TH1, TH2, ... THmax, satisfying the condition TH1 ⁇ TH2 ⁇ ... ⁇ THmax; Node A determines the number of detected UEs according to the energy of the detected sequence satisfying different threshold intervals, each There is a mapping relationship between the threshold interval and the number of UEs that are determined to be detected;
  • the Node A determines, according to the detected energy of the sequence 1 to the sequence 3, that one UE has transmitted the sequence 1 to the sequence 3, and based on the detected energy of the sequence 4 to the sequence 6, it is determined that there are 5
  • the UE sends sequence 4 to sequence 6.
  • the Node A determines that one UE has sent the sequence 1 to the sequence 3, and the Node A sends the response signaling for the sequence 1 to the sequence 3.
  • the signaling includes at least one of the following:
  • Modulation coded information assigned to the UE Modulation coded information assigned to the UE.
  • mapping relationship between the response signaling and the sequence 1 to the sequence 3 that is, only the UEs transmitting the sequence 1 to the sequence 3 can successfully decode the response signaling
  • Node A will send random access configuration information for sequence 4 to sequence 6.
  • the random access configuration information includes: configuration information of a random access channel and configuration information of random access signaling;
  • the configuration information of the random access channel includes:
  • the random access channel starts after K time-domain metric units after the time-frequency resources occupied by the reference signals of Block(1,1) to Block(3,2);
  • the duration of the random access channel is M ⁇ T;
  • the configuration information of the random access channel sent by the Node A for the sequence 4 to the sequence 6 is recorded as the configuration information of the random access channel, including the random access channel in a time period in which the time domain length is T.
  • the distribution information of the occupied time-frequency resources is as shown by TF1 to TF5 in FIG.
  • the configuration information of the random access signaling includes at least one of the following:
  • the configuration information of the random access signaling sent by the Node A for the sequence 4 to the sequence 6 is recorded as the configuration information of the random access signaling, and includes:
  • the type of the random access sequence is an orthogonal sequence
  • the length of the random access sequence is N;
  • the index information of the random access sequence that can be selected is determined by Node A by the number of configured random access sequences.
  • the length configuration information of the cyclic prefix in the random access signaling is Ncircleprefix
  • the length configuration information of the cyclic suffix in the random access signaling is Ncirclepostfix
  • Ncircleprefix and/or Ncirclepostfix and/or N are determined by Node A according to the maximum delay amount of receiving sequence 4 to sequence 6 according to the measurement;
  • the UE1 decodes the response signaling, and sends the uplink data according to the uplink resource configured in the response signaling and the modulation and coding manner;
  • UE2 to UE6 decode the random access configuration information, and each UE randomly selects one time-frequency resource to send a random access sequence in TF1 to TF5, and the index of the random access sequence is randomly selected from index 1 to index 20;
  • the operations that the UE2 needs to perform are:
  • the UE2 first determines whether the random access channel allocated by the NodeA still exists in step 2, that is, whether the "random access channel duration N x T" has timed out. If there is no timeout, the UE2 randomly selects a time-frequency resource to send a random access sequence in the previously received random access channel allocated by the NodeA, and the index of the random access sequence is randomly selected from the index 1 to the index 20; Then UE2 needs to resend the reference signal to Node A.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • step 1
  • terminals UE1, UE2, UE3, UE4, UE5, and UE6 there are terminals UE1, UE2, UE3, UE4, UE5, and UE6.
  • these UEs first send reference signals to one node (recorded as Node A) in the system, and the reference signals are multiple. Orthogonal sequence.
  • the Node A informs the UE that it can be used as an index of the reference signal.
  • the sequence 1 to the sequence 10 serve as reference signals available to the UE.
  • Each of UE1 to UE4 randomly selects multiple sequences from sequence 1 to sequence 10 as reference signals, and transmits a reference signal on the time-frequency resource indicated by the NodeA.
  • the location of the time-frequency resource is as shown in FIG. 13, FIG. A fourth random access resource allocation diagram according to an embodiment of the present invention.
  • Block(1, 1) to Block(3, 2) are time-frequency resources, time domain and frequency domain for transmitting reference signals.
  • UE1 to UE4 randomly select sequence 1.
  • each block resource can support complete reference signal transmission.
  • the Node A When receiving the reference signal on the block (1, 1) to the block (3, 2), the Node A determines, according to the detected energy of the sequence 1, how many UEs respectively transmit the reference signal. In this embodiment, the Node A Based on the detected energy of the sequence 1, it is judged that 4 UEs have transmitted the sequence 1. Node A will send a set of random access configuration information for sequence 1.
  • the random access configuration information includes: configuration information of a random access channel and configuration information of random access signaling;
  • the configuration information of the random access channel includes:
  • the start time of the random access channel starting after K time-domain metric units after the time-frequency resources occupied by the reference signals of Block(1,1) to Block(3,2);
  • the random access channel lasts for M ⁇ T; where M is greater than or equal to 1.
  • the distribution information of the time-frequency resources occupied by the random access channel in a time period in which the time domain length is T is as shown in TF1 to TF5 in FIG.
  • the configuration information of the random access signaling includes at least one of the following:
  • the configuration information of the random access signaling sent by the Node A for the sequence 1 includes:
  • the type of the random access sequence is an orthogonal sequence
  • the length of the random access sequence is N;
  • the index information of the random access sequence that can be selected is determined by Node A by the number of configured random access sequences.
  • the length configuration information of the cyclic prefix in the random access signaling is Ncircleprefix
  • the length configuration information of the cyclic suffix in the random access signaling is Ncirclepostfix
  • Ncircleprefix and/or Ncirclepostfix and/or N are determined by Node A according to the maximum delay amount of the sequence 1 received by the measurement;
  • UE1 to UE4 decode the random access configuration information, and each UE randomly selects one time-frequency resource to send a random access sequence in TF1 to TF5, and the index of the random access sequence is randomly selected from index 1 to index 20;
  • UE5 and UE6 try to blindly detect the configuration information of the random access channel sent by Node A. For example, UE5 randomly selects to attempt to blindly detect the configuration information of the random access channel associated with sequence 1, sequence 2, and sequence 3; UE6 attempts to blindly detect the configuration of the random access channel associated with sequence 4, sequence 5, and sequence 6. information;
  • UE5 successfully decodes the random access configuration information sent by Node A for sequence 1.
  • UE5 randomly selects one time-frequency resource to send a random access sequence from TF1 to TF5, and the index of the random access sequence is randomly selected from index 1 to index 20. ;
  • UE6 If UE6 does not successfully decode the random access configuration information, it will send a reference signal in Block(1,3) to Block(3,4).
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the method for transmitting random access configuration information, the receiving method, the transmitting device, the receiving device, the first type of node, and the second type of node provided by the embodiments of the present invention have the following beneficial effects:
  • the scheme of using the user to access the system in the related technology may cause a huge problem of system resource overhead, thereby achieving the effect of reducing resource overhead.

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Abstract

本发明提供了一种随机接入配置信息发送方法、接收方法、发送装置、接收装置、第一类节点及第二类节点,其中,该方法包括:第一类节点接收第二类节点发送的第一类参考信号,其中,该第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个第一类参考信号子集合,第一类参考信号子集合包括一个或多个第一类参考信号(S102);第一类节点根据接收的第一类参考信号向第二节点发送随机接入配置信息(S104)。通过本发明,解决了当接入的用户数量巨大时,采用相关技术中的用户接入系统的方案会导致系统资源开销巨大问题,进而达到了减少资源开销的效果。

Description

随机接入配置信息发送、接收方法及装置 技术领域
本发明涉及通信领域,具体而言,涉及一种随机接入配置信息发送方法、接收方法、发送装置、接收装置、第一类节点及第二类节点。
背景技术
相关技术中,移动通信系统的设计目标是人与人(Human to Human,简称为H2H)通信。近年来,随着物联网技术的大力发展,机器到机器(Machine to Machine,简称为M2M)用户的通信也成为未来移动通信系统的设计的重要目标之一。考虑到M2M用户的数量巨大,在未来移动通信系统中如何保证大量M2M用户能够成功接入系统则是一个重要的课题。
在相关技术中的移动通信系统中,以长期演进(Long Term Evolution,简称为LTE)系统为例,通过预先分配随机接入信道(Physical Random Access Channel,简称为PRACH)以及随机分配随机接入序列(Preamble)的方式来保证用户成功接入系统,通常随机接入信道以及随机接入序列的数量要远远多于需要接入系统的用户数量,这样才能够保证用户在接入系统时碰撞概率较低,接入系统的时延较小。但是在未来移动通信系统中需要接入的用户数量巨大,相关技术中的用户接入系统的方案会导致系统资源开销巨大,并不适用于未来移动通信系统。
针对当接入的用户数量巨大时,采用相关技术中的用户接入系统的方案会导致系统资源开销巨大问题,目前尚未提出有效的解决方案。
发明内容
本发明实施例提供了一种随机接入配置信息发送方法、接收方法、发送装置、接收装置、第一类节点及第二类节点,以至少解决相关技术中存在的当接入的用户数量巨大时,采用相关技术中的用户接入系统的方案会导致系统资源开销巨大问题。
根据本发明的一个实施例,提供了一种随机接入配置信息发送方法,包括:第一类节点接收第二类节点发送的第一类参考信号,其中,所述第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个所述第一类参考信号子集合,所述第一类参考信 号子集合包括一个或多个第一类参考信号;所述第一类节点根据接收的所述第一类参考信号向所述第二类节点发送随机接入配置信息。
所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
所述确定的时域资源集合包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:由第一类节点发送给所述第二类节点的方式进行配置;通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
所述第一类参考信号包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
所述随机接入配置信息包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
所述随机接入信道的配置信息包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
所述随机接入信道持续时间包括一个或多个所述确定周期。
所述确定周期包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
所述随机接入信道起始时间信息包括:与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
所述随机接入信令的配置信息包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
所述随机接入序列的类型包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
所述随机接入配置信息发送方法还包括以下至少之一:所述随机接入序列的类型与所述第一类参考信号的类型相同;所述随机接入信令中循环前缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;所述随机接入信令中循环后缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;所述随机接入序列循环移位的长度由测量到接收的所述第一类参考信号的最大时延量确定。
所述第一类节点根据接收的所述第一类参考信号向所述第二类节点发送所述随机接入配置信息包括:所述第一类节点根据接收的所述第一类参考信号所属的不同的所述第一类参考信号子集合,向不同的所述第二类节点发送不同的所述随机接入配置信息。
所述第二类节点包括以下至少之一:人到人H2H通信终端;机器到机器M2M通信终端;设备到设备D2D通信终端。
根据本发明的另一实施例,提供了一种随机接入配置信息接收方法,包括:第二类节点接收第一类节点发送的第一类参考信号的资源分配信息;所述第二类节点根据接收的所述第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给所述第一类节点;所述第二类节点接收所述第一类节点发送的特定的随机接入配置信息。
所述第二类节点在接收所述随机接入配置信息之后,根据所述随机接入配置信息向所述第一类节点发送随机接入信令。
所述第一类参考信号的资源分配信息包括以下至少之一:第一类参考信号集合中包括的第一类参考信号子集合的数量信息;第一类参考信号子集合中包括的第一类参考信号的数量信息;第一类参考信号子集合中包括的第一类参考信号的信息。
所述特定的随机接入配置信息包括发送给特定集合中的第二类节点的随机接入配置信息。
所述特定集合中的第二类节点包括:在确定的时频资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的第二类节点。
所述第二类节点将根据接收的所述第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给所述第一类节点包括:所 述第二类节点在确定的时域资源集合中发送所述第一类参考信号,其中,所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
所述确定的时域资源集合包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:由所述第一类节点发送给所述第二类节点的方式进行配置;通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
在所述第二类节点接收所述第一类节点发送的特定的随机接入配置信息之后,还包括:当所述第二类节点在接收所述第一类节点发送的随机接入配置信息之前,没有发送过所述第一类参考信号,则所述第二类节点解码接收的所述特定的随机接入配置信息。
当所述第二类节点解码接收的所述特定的随机接入配置信息失败的情况下,所述第二类节点发送所述第一类参考信号。
所述第一类参考信号包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
所述随机接入配置信息包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
所述随机接入信道的配置信息包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
所述随机接入信道持续时间包括一个或多个所述确定周期。
所述确定周期包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
所述随机接入信道起始时间信息包括:与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
所述随机接入信令的配置信息包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
所述随机接入序列的类型包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
随机接入配置信息接收方法包括以下至少之一:所述随机接入序列的类型与所述第一类参考信号的类型相同;所述随机接入信令中循环前缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;所述随机接入信令中循环后缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;所述随机接入序列循环移位的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定。
所述第一类节点包括以下至少之一:宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
根据本发明的另一实施例,提供了一种随机接入配置信息发送装置,该装置应用于第一类节点中,包括:第一接收模块,设置为接收第二类节点发送的第一类参考信号,其中,所述第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个所述第一类参考信号子集合,所述第一类参考信号子集合包括一个或多个第一类参考信号;第一发送模块,设置为根据接收的所述第一类参考信号向所述第二类节点发送随机接入配置信息。
所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
所述确定的时域资源集合包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:由第一类节点发送给所述第二类节点的方式进行配置;通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
所述第一类参考信号包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
所述随机接入配置信息包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
所述随机接入信道的配置信息包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
所述随机接入信道持续时间包括一个或多个所述确定周期。
所述确定周期包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
所述随机接入信道起始时间信息包括:与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
所述随机接入信令的配置信息包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
所述随机接入序列的类型包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
随机接入配置信息发送装置包括以下至少之一:所述随机接入序列的类型与所述第一类参考信号的类型相同;所述随机接入信令中循环前缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;所述随机接入信令中循环后缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;所述随机接入序列循环移位的长度由测量到接收的所述第一类参考信号的最大时延量确定。
所述第一发送模块包括:根据接收的所述第一类参考信号所属的不同的所述第一类参考信号子集合,向不同的所述第二类节点发送不同的所述随机接入配置信息。
所述第二类节点包括以下至少之一:人到人H2H通信终端;机器到机器M2M通信终端;设备到设备D2D通信终端。
根据本发明的另一实施例,提供了一种随机接入配置信息接收装置,该装置应用于第二类节点中,包括:第二接收模块,设置为接收第一类节点发送的第一类参考信号的资源分配信息;第二发送模块,设置为根据接收的所述第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给所述第一类节点;第三接收模块,设置为接收所述第一类节点发送的特定的随机接入配置信息。
所述随机接入配置信息接收装置还包括:第三发送模块,设置为根据所述随机接入配置信息向所述第一类节点发送随机接入信令。
所述第一类参考信号的资源分配信息包括以下至少之一:第一类参考信号集合中包括的第一类参考信号子集合的数量信息;第一类参考信号子集合中包括的第一类参考信号的数量信息;第一类参考信号子集合中包括的第一类参考信号的信息。
所述特定的随机接入配置信息包括发送给特定集合中的第二类节点的随机接入配置信息。
所述特定集合中的第二类节点包括:在确定的时频资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的第二类节点。
所述第二发送模块包括:所述第二类节点在确定的时域资源集合中发送所述第一类参考信号,其中,所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
所述确定的时域资源集合包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:由所述第一类节点发送给所述第二类节点的方式进行配置;通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
所述随机接入配置信息接收装置还包括:解码模块,设置为当所述第二类节点在接收所述第一类节点发送的随机接入配置信息之前,没有发送过所述第一类参考信号,则解码接收的所述特定的随机接入配置信息。
所述随机接入配置信息接收装置还包括:第三发送模块,设置为当所述解码模块解码失败的情况下,发送所述第一类参考信号。
所述第一类参考信号包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
所述随机接入配置信息包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
所述随机接入信道的配置信息包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
所述随机接入信道持续时间包括一个或多个所述确定周期。
所述确定周期包括以下至少之一:由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
所述随机接入信道起始时间信息包括:与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
所述随机接入信令的配置信息包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
所述随机接入序列的类型包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
所述随机接入配置信息接收装置包括以下至少之一:所述随机接入序列的类型与所述第一类参考信号的类型相同;所述随机接入信令中循环前缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;所述随机接入信令中循环后缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;所述随机接入序列循环移位的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定。
所述第一类节点包括以下至少之一:宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
根据本发明的另一实施例,提供了一种第一类节点,包括上述任一项所述的随机接入配置信息发送装置。
所述第一类节点包括以下至少之一:宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
根据本发明的另一实施例,提供了一种第二类节点,包括上述任一项所述的随机接入配置信息接收装置。
所述第二类节点包括以下至少之一:人到人H2H通信终端;机器到机器M2M通信终端;设备到设备D2D通信终端。
通过本发明实施例,采用第一类节点接收第二类节点发送的第一类参考信号,其中,所述第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个所述第一类参考信号子集合,所述第一类参考信号子集合包括一个或多个第一类参考信号;所述第一类节点根据接收的所述第一类参考信号向所述第二类节点发送随机接入配置信息,解决了当接入的用户数量巨大时,采用相关技术中的用户接入系统的方案会导致系统资源开销巨大问题,进而达到了减少资源开销的效果。
附图说明
此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1是根据本发明实施例的随机接入配置信息发送方法的流程图;
图2是根据本发明实施例的随机接入配置信息接收方法的流程图;
图3是根据本发明实施例的随机接入配置信息发送装置的结构框图;
图4是根据本发明实施例的随机接入配置信息接收装置的结构框图;
图5是根据本发明实施例的随机接入配置信息接收装置的第一种优选结构框图;
图6是根据本发明实施例的随机接入配置信息接收装置的第二种优选结构框图;
图7是根据本发明实施例的随机接入配置信息接收装置的第三种优选结构框图;
图8是根据本发明实施例的第一类节点的结构框图;
图9是根据本发明实施例的第二类节点的结构框图;
图10是根据本发明实施例的第一种随机接入资源分配示意图;
图11是根据本发明实施例的第二种随机接入资源分配示意图;
图12是根据本发明实施例的第三种随机接入资源分配示意图;
图13是根据本发明实施例的第四种随机接入资源分配示意图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。
在本实施例中提供了一种随机接入配置信息发送方法,图1是根据本发明实施例的随机接入配置信息发送方法的流程图,如图1所示,该流程包括如下步骤:
步骤S102,第一类节点接收第二类节点发送的第一类参考信号,其中,该第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个第一类参考信号子集合,第一类参考信号子集合包括一个或多个第一类参考信号;
步骤S104,第一类节点根据接收的第一类参考信号向第二类节点发送随机接入配置信息。
通过上述步骤,由第一类节点根据第二类节点发送的第一类参考信号向该第二类节点发送随机接入配置信息,可以有效的减小资源开销,从而解决了当接入的用户数量巨大时,采用相关技术中的用户接入系统的方案会导致系统资源开销巨大问题,进而达到了减少资源开销的效果。
上述确定的时域资源集合在频域和/或时域上连续分布、或者该确定的时域资源集合在频域和/或时域上离散分布。
该确定的时域资源集合可以包括以下至少之一:由第一类节点通过信令发送给第二类节点的方式进行配置的时域资源集合;通过预定的方式在第一类节点和第二类节点中进行配置的时域资源集合。
第一类参考信号集合和/或第一类参考信号子集合可以通过以下方式至少之一进行配置:由第一类节点发送给第二类节点的方式进行配置;通过预定的方式在第一类节点和第二类节点中进行配置。
其中,上述第一类参考信号可以包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,正交序列包括Zadoff chu序列。
随机接入配置信息的类型可以为多种,在一个可选的实施例中,该随机接入配置信息可以包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送第一类参考信号的指示信息。
当随机接入配置信息包括随机接入信道的配置信息时,该随机接入信道的配置信息可以包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
随机接入信道持续时间可以包括一个或多个确定周期。
该确定周期可以通过以下方式至少之一确定:由第一类节点通过信令发送给第二类节点的方式进行配置的周期;通过预定的方式在第一类节点和第二类节点中进行配置的周期。
当随机接入信道的配置信息包括随机接入信道起始时间信息时,该随机接入信道起始时间信息可以包括:与确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
上述随机接入信令的配置信息可以包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
当随机接入信令的配置信息包括随机接入序列的类型时,该随机接入序列的类型可以包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,该正交序列可以包括Zadoff chu序列。
在一个可选的实施例中,还可以包括以下至少之一:上述随机接入序列的类型与第一类参考信号的类型相同;随机接入信令中循环前缀的长度由测量到接收的第一类参考信号的最大时延量确定;随机接入信令中循环后缀的长度由测量到接收的第一类 参考信号的最大时延量确定;随机接入序列循环移位的长度由测量到接收的第一类参考信号的最大时延量确定。
第一类节点根据接收的第一类参考信号向第二类节点发送随机接入配置信息包括:第一类节点根据接收的第一类参考信号所属的不同的第一类参考信号子集合,向不同的第二类节点发送不同的随机接入配置信息。
其中,上述第二类节点可以包括以下至少之一:人到人H2H通信终端;机器到机器M2M通信终端;设备到设备D2D通信终端。
在本实施例中提供了一种随机接入配置信息接收方法,图2是根据本发明实施例的随机接入配置信息接收方法的流程图,如图2所示,该流程包括如下步骤:
步骤S202,第二类节点接收第一类节点发送的第一类参考信号的资源分配信息;
步骤S204,第二类节点根据接收的第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给第一类节点;
步骤S206,第二类节点接收第一类节点发送的特定的随机接入配置信息。
通过上述步骤,采用第二类节点根据资源分配信息选择第一类参考信号,并根据第一类参考信号向第一类节点发送随机接入配置信息的方案,解决了当接入的用户数量巨大时,采用相关技术中的用户接入系统的方案会导致系统资源开销巨大问题,进而达到了减少资源开销的效果。
该第二类节点在接收随机接入配置信息之后,根据随机接入配置信息向第一类节点发送随机接入信令。
在一个可选的实施例中,第一类参考信号的资源分配信息可以包括以下至少之一:第一类参考信号集合中包括的第一类参考信号子集合的数量信息;第一类参考信号子集合中包括的第一类参考信号的数量信息;第一类参考信号子集合中包括的第一类参考信号的信息。
其中,特定的随机接入配置信息包括发送给特定集合中的第二类节点的随机接入配置信息。
上述特定集合中的第二类节点包括:在确定的时频资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的第二类节点。
第二类节点将根据接收的第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给第一类节点包括:第二类节点在确定的时域资源集合中发送第一类参考信号,其中,该确定的时域资源集合在频域和/或时域上连续分布、或者该确定的时域资源集合在频域和/或时域上离散分布。
上述确定的时域资源集合可以包括以下至少之一:由第一类节点通过信令发送给第二类节点的方式进行配置的时域资源集合;通过预定的方式在第一类节点和第二类节点中进行配置的时域资源集合。
第一类参考信号集合和/或第一类参考信号子集合可以通过以下方式至少之一进行配置:由第一类节点发送给第二类节点的方式进行配置;通过预定的方式在第一类节点和第二类节点中进行配置。
在第二类节点接收第一类节点发送的特定的随机接入配置信息之后,还包括:当第二类节点在接收第一类节点发送的随机接入配置信息之前,没有发送过第一类参考信号,则第二类节点解码接收的特定的随机接入配置信息。
当第二类节点解码接收的特定的随机接入配置信息失败的情况下,该第二类节点发送第一类参考信号。
第一类参考信号的类型可以为多种,在一个可选的实施例中,该第一类参考信号的可以包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,该正交序列可以为Zadoff chu序列。
随机接入配置信息包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送第一类参考信号的指示信息。
随机接入信道的配置信息可以包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
上述随机接入信道持续时间包括一个或多个确定周期。
该确定周期可以包括以下至少之一:由第一类节点通过信令发送给第二类节点的方式进行配置的周期;通过预定的方式在第一类节点和第二类节点中进行配置的周期。
上述随机接入信道起始时间信息包括:与确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
随机接入信令的配置信息可以包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
随机接入序列的类型包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,该正交序列包括Zadoff chu序列。
在该随机接入配置信息接收方法中,还包括:随机接入序列的类型与第一类参考信号的类型相同;随机接入信令中循环前缀的长度由测量到的第一类节点接收第一类参考信号的最大时延量确定;随机接入信令中循环后缀的长度由测量到的第一类节点接收第一类参考信号的最大时延量确定;随机接入序列循环移位的长度由测量到的第一类节点接收第一类参考信号的最大时延量确定。
上述的第一类节点可以包括以下至少之一:宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
在本实施例中还提供了一种随机接入配置信息发送装置,该装置设置为实现上述实施例及优选实施方式,已经进行过说明的不再赘述。如以下所使用的,术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现,但是硬件,或者软件和硬件的组合的实现也是可能并被构想的。
图3是根据本发明实施例的随机接入配置信息发送装置的结构框图,该装置应用于第一类节点中,如图3所示,该装置包括第一接收模块32和第一发送模块34,下面对该装置进行说明。
第一接收模块32,设置为接收第二类节点发送的第一类参考信号,其中,该第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个第一类参考信号子集合,该第一类参考信号子集合包括一个或多个第一类参考信号;第一发送模块34,连接至上述第一接收模块32,设置为根据接收的第一类参考信号向第二类节点发送随机接入配置信息。
其中,上述确定的时域资源集合在频域和/或时域上连续分布、或者该确定的时域资源集合在频域和/或时域上离散分布。
确定的时域资源集合包括以下至少之一:由第一类节点通过信令发送给第二类节点的方式进行配置的时域资源集合;通过预定的方式在第一类节点和第二类节点中进行配置的时域资源集合。
第一类参考信号集合和/或第一类参考信号子集合可以通过以下方式至少之一进行配置:由第一类节点发送给第二类节点的方式进行配置;通过预定的方式在第一类节点和第二类节点中进行配置。
第一类参考信号包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,该正交序列可以包括Zadoff chu序列。
随机接入配置信息包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送第一类参考信号的指示信息。
随机接入信道的配置信息包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
随机接入信道持续时间包括一个或多个确定周期。
上述确定周期可以包括以下至少之一:由第一类节点通过信令发送给第二类节点的方式进行配置的周期;通过预定的方式在第一类节点和第二类节点中进行配置的周期。
随机接入信道起始时间信息包括:与确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
随机接入信令的配置信息包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
随机接入序列的类型包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,该正交序列包括Zadoff chu序列。
随机接入配置信息发送装置包括以下至少之一:随机接入序列的类型与第一类参考信号的类型相同;随机接入信令中循环前缀的长度由测量到接收的第一类参考信号的最大时延量确定;随机接入信令中循环后缀的长度由测量到接收的第一类参考信号 的最大时延量确定;随机接入序列循环移位的长度由测量到接收的第一类参考信号的最大时延量确定。
其中,第一发送模块34包括:根据接收的第一类参考信号所属的不同的第一类参考信号子集合,向不同的第二类节点发送不同的随机接入配置信息。
上述的第二类节点可以包括以下至少之一:人到人H2H通信终端;机器到机器M2M通信终端;设备到设备D2D通信终端。
图4是根据本发明实施例的随机接入配置信息接收装置的结构框图,该装置应用于第二类节点中,如图4所示,该装置包括第二接收模块42、第二发送模块44和第三接收模块46,下面对该装置继续说明。
第二接收模块42,设置为接收第一类节点发送的第一类参考信号的资源分配信息;第二发送模块44,连接至上述第二接收模块42,设置为根据接收的第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给第一类节点;第三接收模块46,连接至上述第二发送模块44,设置为接收第一类节点发送的特定的随机接入配置信息。
图5是根据本发明实施例的随机接入配置信息接收装置的第一种优选结构框图,如图5所示,该装置除包括图4所示的所有模块外,还包括第三发送模块52,下面对该模块进行说明。
第三发送模块52,连接至上述第三接收模块46,设置为根据随机接入配置信息向第一类节点发送随机接入信令。
第一类参考信号的资源分配信息包括以下至少之一:第一类参考信号集合中包括的第一类参考信号子集合的数量信息;第一类参考信号子集合中包括的第一类参考信号的数量信息;第一类参考信号子集合中包括的第一类参考信号的信息。
特定的随机接入配置信息包括发送给特定集合中的第二类节点的随机接入配置信息。
特定集合中的第二类节点包括:在确定的时频资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的第二类节点。
该第二发送模块包括:第二类节点在确定的时域资源集合中发送第一类参考信号,其中,该确定的时域资源集合在频域和/或时域上连续分布、或者该确定的时域资源集合在频域和/或时域上离散分布。
确定的时域资源集合包括以下至少之一:由第一类节点通过信令发送给第二类节点的方式进行配置的时域资源集合;通过预定的方式在第一类节点和第二类节点中进行配置的时域资源集合。
第一类参考信号集合和/或第一类参考信号子集合通过以下方式至少之一进行配置:由第一类节点发送给第二类节点的方式进行配置;通过预定的方式在第一类节点和第二类节点中进行配置。
图6是根据本发明实施例的随机接入配置信息接收装置的第二种优选结构框图,如图6所示,该装置除包括图4所示的所有模块外,还包括解码模块62,下面对该解码模块62进行说明。
解码模块62,连接至上述第三接收模块46,设置为当第二类节点在接收第一类节点发送的随机接入配置信息之前,没有发送过第一类参考信号,则解码接收的特定的随机接入配置信息。
图7是根据本发明实施例的随机接入配置信息接收装置的第三种优选结构框图,如图7所示,该装置除包括图6所示的所有模块外,还包括第四发送模块72,下面对其进行说明。
第四发送模块72,连接至上述解码模块62,设置为当解码模块62解码失败的情况下,发送第一类参考信号。
第一类参考信号包括以下类型至少之一:预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,正交序列包括Zadoff chu序列。
随机接入配置信息包括以下至少之一:随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送第一类参考信号的指示信息。
随机接入信道的配置信息包括以下至少之一:在确定周期内,随机接入信道占用的时域和频域资源的分布信息;随机接入信道持续时间信息;随机接入信道起始时间信息;随机接入信道结束时间信息。
随机接入信道持续时间包括一个或多个确定周期。
上述确定周期包括以下至少之一:由第一类节点通过信令发送给第二类节点的方式进行配置的周期;通过预定的方式在第一类节点和第二类节点中进行配置的周期。
随机接入信道起始时间信息包括:与确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
随机接入信令的配置信息包括以下至少之一:随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
随机接入序列的类型包括以下至少之一:预定的序列、正交序列、准正交序列、伪随机序列,其中,该正交序列包括Zadoff chu序列。
上述随机接入配置信息接收装置还包括以下至少之一:随机接入序列的类型与第一类参考信号的类型相同;随机接入信令中循环前缀的长度由测量到的第一类节点接收第一类参考信号的最大时延量确定;随机接入信令中循环后缀的长度由测量到的第一类节点接收第一类参考信号的最大时延量确定;随机接入序列循环移位的长度由测量到的第一类节点接收第一类参考信号的最大时延量确定。
第一类节点可以包括以下至少之一:宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
图8是根据本发明实施例的第一类节点的结构框图,如图8所示,该第一类节点82包括上述任一项的随机接入配置信息发送装置84。
在一个可选的实施例中,上述第一类节点包括以下至少之一:宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
图9是根据本发明实施例的第二类节点的结构框图,如图9所示,该第二类节点92包括上述任一项的随机接入配置信息接收装置94。
在一个可选的实施例中,上述第二类节点可以包括以下至少之一:人到人H2H通信终端;机器到机器M2M通信终端;设备到设备D2D通信终端。
下面结合具体的实施例对本发明进行说明。
实施例一:
在无线系统中存在节点和终端(User Equipment,简称为UE)。
该节点可以为以下至少之一:宏基站(Macro cell)、微基站(Micro cell)、微微基站(Pico cell)、毫微微基站(Femto cell)、家庭基站、低功率节点(LPN)、中继站(Relay)。
该终端可以为以下至少之一:
一个或一个以上的人到人(Human to Human,H2H)通信终端;
一个或一个以上的机器到机器(Machine to Machine,M2M)通信终端;
一个或一个以上的设备到设备(Device to Device,D2D)通信终端;
步骤1:
本实施例中,假设存在终端UE1、UE2、UE3、UE4、UE5、UE6,这些UE为了接入无线系统,首先向系统中的一个节点(记作,Node A)发送参考信号,该参考信号是一条或多条正交序列或一条或多条准正交序列或一条或多条伪随机序列,在该实施例中,参考信号可以是Zadoff chu序列。Node A通知UE可以用作参考信号的Zadoffchu序列的索引,本实施例中,假设序列1~序列10作为UE可用的Zadoff chu序列。
UE1~UE6中每个UE随机的从序列1~序列10中选择一个序列作为参考信号,在NodeA指示的时频资源上发送参考信号,时频资源的位置如图10所示,图10是根据本发明实施例的第一种随机接入资源分配示意图,如图10所示,Block 1~Block n为发送参考信号的时频资源,占用相同的频率资源,时域上离散分布,间隔时间可以相同或不同;本实施例中,UE1~UE3都随机选择了序列1并且在都在Block1上发送,UE4~UE6都随机选择了序列5并且在都在Block1上发送。
步骤2:
Node A在接收检测Block1上的参考信号时,获知有序列1和序列5发送,且根据检测到的序列1和序列5的能量判断分别有3个UE发送了序列1和序列5。Node A会发送2套随机接入配置信息,分别针对序列1和序列5,记作随机接入配置信息1和随机接入配置信息2。
随机接入配置信息包括:随机接入信道的配置信息和随机接入信令的配置信息;
其中,随机接入信道的配置信息包括:
在一个预定周期T内,随机接入信道占用的时频资源的分布信息;
本实施例中,Node A针对序列1发送的随机接入信道的配置信息记作随机接入信道的配置信息1,其中包括在一个时域长度为T的时间段内,随机接入信道占用的时频资源的分布信息,如图10中的TF1-1至TF1-6所示。Node A针对序列5发送的随机接入信道的配置信息记作随机接入信道的配置信息2,其中包括在一个时域长度为T的时间段内,随机接入信道占用的时频资源的分布信息,如图10中的TF2-1至TF2-3所示。
其中,该随机接入信令的配置信息包括以下至少之一:
随机接入序列的类型;
随机接入序列长度;
一个或多个随机接入序列的索引信息;
随机接入信令中循环前缀的长度配置信息;
本实施例中,Node A针对序列1发送的随机接入信令的配置信息记作随机接入信令的配置信息1,其中包括:
随机接入序列的类型为Zadoff chu序列,与上述参考信号的结构相同;
随机接入序列的长度与参考信号相同;
随机接入序列的循环移位(circle shift)配置信息N1cs(即表示相邻的两个随机接入序列之间相差的循环移位数量);
可以选择的随机接入序列的索引信息,例如索引1至索引4,配置的随机接入序列的数量由Node A根据检测到发送序列1的UE的数量确定。进一步,为了降低冲突碰撞概率,Node A分配的随机接入序列的数量可以大于Node A检测到发送序列1的UE的数量;
随机接入信令中循环前缀的长度配置信息N1cp;
该N1cp的长度和/或随机接入序列长度N1zc的长度由Node A根据测量接收到序列1的最大时延量确定;
本实施例中,Node A针对序列5发送的随机接入信令的配置信息记作随机接入信令的配置信息2,其中包括:
随机接入序列的类型为Zadoff chu序列,与参考信号的结构相同;
随机接入序列的长度与参考信号相同;
随机接入序列的循环移位(circle shift)配置信息N2cs(即表示相邻的两个随机接入序列之间相差的循环移位数量);
可以选择的随机接入序列的索引信息,例如索引1至索引6,配置的随机接入序列的数量由Node A根据检测到发送序列5的UE的数量确定。并且,为了降低冲突碰撞概率,Node A分配的随机接入序列的数量可以大于Node A检测到发送序列5的UE的数量;
随机接入信令中循环前缀的长度配置信息N2cp;
N2cp的长度和/或N2zc的长度由Node A根据测量接收到序列5的最大时延量确定;
步骤3:
UE1~UE3解码随机接入配置信息1,每个UE分别在TF1-1至TF1-6中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引1至索引4中选择;
UE4~UE6解码随机接入配置信息2,每个UE分别在TF2-1至TF2-3中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引1至索引6中选择;
实施例二:
在无线系统中存在节点和终端。
步骤1:
本实施例中,假设存在终端UE1、UE2、UE3、UE4、UE5、UE6,这些UE为了接入无线系统,首先向系统中的一个节点(记作,Node A)发送参考信号,参考信号是多条正交序列。Node A通知UE可以用作参考信号的索引,本实施例中,假设序列1至序列10作为UE可用的参考信号。
UE1~UE6中每个UE随机的从序列1~序列10中选择一个序列作为参考信号,在NodeA指示的时频资源上发送参考信号,时频资源的位置如图11所示,图11是根据本发明实施例的第二种随机接入资源分配示意图,如图11所示,Block(1,1)至Block(m,n) 为发送参考信号的时频资源,时域和频域上离散分布;本实施例中,UE1~UE4都随机选择了序列1并且在Block(1,1)至Block(m,n)上发送。UE5~UE6都随机选择了序列2并且在Block(1,1)至Block(m,n)上发送。其中,每个Block资源都可以支持完整的参考信号发送。
步骤2:
Node A在接收检测Block(1,1)至Block(m,n)上的参考信号时,获知有序列1和序列2发送,且根据检测到的序列1和序列2的能量判断分别有多少个UE发送了序列1和序列2,其中判断的原则为:
Node A预定义多个能量判断阈值,例如TH1,TH2,…THmax,满足条件TH1<TH2<…<THmax;Node A根据检测到的序列的能量满足不同的阈值区间判定检测到的UE数量,每个阈值区间与判定检测到的UE数量存在一个映射关系;
本实施例中,Node A按照上述判断原则判断分别有多少个UE发送了序列1和序列2,例如判断出有4个UE发送了序列1,有3个UE发送了序列2。Node A会发送2套随机接入配置信息,分别针对序列1和序列2,记作随机接入配置信息1和随机接入配置信息2。
随机接入配置信息包括:随机接入信道的配置信息和随机接入信令的配置信息;
其中,随机接入信道的配置信息包括:
在一个预定周期T内,随机接入信道占用的时频资源的分布信息;
本实施例中,Node A针对序列1发送的随机接入信道的配置信息记作随机接入信道的配置信息1,其中包括在一个时域长度为T1的时间段内,随机接入信道占用的时频资源的分布信息,如图11中的TF1至TF5所示。Node A针对序列2发送的随机接入信道的配置信息记作随机接入信道的配置信息2,其中包括在一个时域长度为T2的时间段内,随机接入信道占用的时频资源的分布信息,如图11中的TF1、TF3、TF5所示。
其中,该随机接入信令的配置信息可以包括以下至少之一:
随机接入序列的类型;
随机接入序列长度;
一个或多个随机接入序列的索引信息;
随机接入信令中循环前缀的长度配置信息;
随机接入信令中循环后缀的长度配置信息;
本实施例中,Node A针对序列1发送的随机接入信令的配置信息记作随机接入信令的配置信息1,其中包括:
随机接入序列的类型为正交序列;
随机接入序列的长度为N1;
可以选择的随机接入序列的索引信息,例如索引1至索引8,配置的随机接入序列的数量由Node A根据检测到发送序列1的UE的数量确定。进一步,为了降低冲突碰撞概率,Node A分配的随机接入序列的数量可以大于Node A检测到发送序列1的UE的数量;
随机接入信令中循环前缀的长度配置信息N1circleprefix;
随机接入信令中循环后缀的长度配置信息N1circlepostfix;
进一步的,N1circleprefix和/或N1circlepostfix和/或N1由Node A根据测量接收到序列1的最大时延量确定;
本实施例中,Node A针对序列2发送的随机接入信令的配置信息记作随机接入信令的配置信息2,其中包括:
随机接入序列的类型为预定义的序列;
随机接入序列的长度为N2;
可以选择的随机接入序列的索引信息,例如索引9至索引14,配置的随机接入序列的数量由Node A根据检测到发送序列2的UE的数量确定。进一步,为了降低冲突碰撞概率,Node A分配的随机接入序列的数量可以大于Node A检测到发送序列2的UE的数量;
随机接入信令中循环前缀的长度配置信息N2cp;
N2cp和/或N2由Node A根据测量接收到序列2的最大时延量确定;
步骤3:
UE1~UE4解码随机接入配置信息1,每个UE分别在TF1至TF6中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引1至索引8中选择;
UE5~UE6解码随机接入配置信息2,每个UE分别在TF1、TF3、TF5中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引9至索引14中选择;
除本实施例外,Node A发送参考信号还可以是以下至少之一:
一个或多个预定义的信号;
一条或多条预定义的序列;
一条或多条正交序列;
一条或多条准正交序列;
一条或多条伪随机序列。
实施例三:
在无线系统中存在节点和终端。
步骤1:
本实施例中,假设存在终端UE1、UE2、UE3、UE4、UE5、UE6,这些UE为了接入无线系统,首先向系统中的一个节点(记作,Node A)发送参考信号,参考信号是多条正交序列。Node A通知UE可以用作参考信号的索引,本实施例中,假设序列1至序列10作为UE可用的参考信号。
UE1~UE6中每个UE随机的从序列1~序列10中选择多个序列作为参考信号,在NodeA指示的时频资源上发送参考信号,时频资源的位置如图12所示,图12是根据本发明实施例的第三种随机接入资源分配示意图,如图12所示,Block(1,1)至Block(3,2)为发送参考信号的时频资源,时域和频域上离散分布;本实施例中,UE1随机选择了序列1、2、3,并且序列1在Block(1,1)和Block(1,2)上发送,序列2在Block(2,1)和Block(2,2)上发送,序列3在Block(3,1)和Block(3,2)上发送。UE2~UE6都随机选择了序列4、5、6,并且序列4在Block(1,1)和Block(1,2)上发送,序列5在Block(2,1)和 Block(2,2)上发送,序列6在Block(3,1)和Block(3,2)上发送。其中,每个Block资源都可以支持完整的参考信号发送。
步骤2:
Node A在接收检测Block(1,1)至Block(3,2)上的参考信号时,根据检测到的序列1~序列6的能量判断分别有多少个UE发送了参考信号,其中判断的原则为:
Node A预定义多个能量判断阈值,例如TH1,TH2,…THmax,满足条件TH1<TH2<…<THmax;Node A根据检测到的序列的能量满足不同的阈值区间判定检测到的UE数量,每个阈值区间与判定检测到的UE数量存在一个映射关系;
本实施例中,Node A根据检测到的序列1~序列3的能量,判断出有1个UE发送了序列1~序列3,根据检测到的序列4~序列6的能量,判断出有5个UE发送了序列4~序列6。
Node A判断出有1个UE发送了序列1~序列3,则Node A针对序列1~序列3发送响应信令,其中,信令中包括以下至少之一:
为UE分配的ID信息;
为UE分配的上行资源信息;
为UE分配的调制编码信息。
进一步的,响应信令与序列1~序列3之间存在一个映射关系,即只有发送序列1~序列3的UE才能成功解码响应信令;
Node A会针对序列4~序列6发送套随机接入配置信息。
随机接入配置信息中包括:随机接入信道的配置信息和随机接入信令的配置信息;
其中,随机接入信道的配置信息包括:
在一个预定周期T内,随机接入信道占用的时频资源的分布信息;
随机接入信道在Block(1,1)至Block(3,2)这些参考信号占用的时频资源之后K个时域度量单位后开始;
随机接入信道持续的时间为M×T;
本实施例中,Node A针对序列4~序列6发送的随机接入信道的配置信息记作随机接入信道的配置信息,其中包括在一个时域长度为T的时间段内,随机接入信道占用的时频资源的分布信息,如图12中的TF1至TF5所示。
其中,随机接入信令的配置信息包括以下至少之一:
随机接入序列的类型;
随机接入序列长度;
一个或多个随机接入序列的索引信息;
随机接入信令中循环前缀的长度配置信息;
随机接入信令中循环后缀的长度配置信息;
本实施例中,Node A针对序列4~序列6发送的随机接入信令的配置信息记作随机接入信令的配置信息,其中包括:
随机接入序列的类型为正交序列;
随机接入序列的长度为N;
可以选择的随机接入序列的索引信息,例如索引1至索引20,配置的随机接入序列的数量由Node A确定。
随机接入信令中循环前缀的长度配置信息Ncircleprefix;
随机接入信令中循环后缀的长度配置信息Ncirclepostfix;
进一步的,Ncircleprefix和/或Ncirclepostfix和/或N由Node A根据测量接收到序列4~序列6的最大时延量确定;
步骤3:
UE1解码响应信令,并按照响应信令中配置的上行资源以及调制编码方式发送上行数据;
UE2~UE6解码随机接入配置信息,每个UE分别在TF1~TF5中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引1至索引20中选择;
步骤4:
本实施例中,假设UE2发送的随机接入序列并没有得到NodeA的响应,则UE2需要执行的操作为:
UE2首先判断在步骤2中NodeA分配的随机接入信道是否还存在,即是否“随机接入信道持续的时间N×T”已经超时。如果没有超时,则UE2在之前收到的NodeA分配的随机接入信道中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引1至索引20中选择;如果超时,则UE2需要重新向Node A发送参考信号。
实施例四:
在无线系统中存在节点和终端。
步骤1:
本实施例中,存在终端UE1、UE2、UE3、UE4、UE5、UE6,这些UE为了接入无线系统,首先向系统中的一个节点(记作,Node A)发送参考信号,参考信号是多条正交序列。Node A通知UE可以用作参考信号的索引,本实施例中,假设序列1至序列10作为UE可用的参考信号。
UE1~UE4中每个UE随机的从序列1~序列10中选择多个序列作为参考信号,在NodeA指示的时频资源上发送参考信号,该时频资源的位置如图13所示,图13是根据本发明实施例的第四种随机接入资源分配示意图,如图13所示,Block(1,1)至Block(3,2)为发送参考信号的时频资源,时域和频域上离散分布,本实施例中,UE1~UE4都随机选择了序列1。其中,每个Block资源都可以支持完整的参考信号发送。
步骤2:
Node A在接收检测Block(1,1)至Block(3,2)上的参考信号时,根据检测到的序列1的能量判断分别有多少个UE发送了参考信号,本实施例中,Node A根据检测到的序列1的能量,判断出有4个UE发送了序列1。Node A会针对序列1发送1套随机接入配置信息。随机接入配置信息中包括:随机接入信道的配置信息和随机接入信令的配置信息;
其中,随机接入信道的配置信息包括:
在一个预定周期T内,随机接入信道占用的时频资源的分布信息;
随机接入信道开始时刻:在Block(1,1)至Block(3,2)这些参考信号占用的时频资源之后K个时域度量单位后开始;
随机接入信道持续的时间为M×T;其中,M大于或等于1。
本实施例中,在一个时域长度为T的时间段内,随机接入信道占用的时频资源的分布信息,如图13中的TF1至TF5所示。
其中,随机接入信令的配置信息包括以下至少之一:
随机接入序列的类型;
随机接入序列长度;
一个或多个随机接入序列的索引信息;
随机接入信令中循环前缀的长度配置信息;
随机接入信令中循环后缀的长度配置信息;
本实施例中,Node A针对序列1发送的随机接入信令的配置信息,其中包括:
随机接入序列的类型为正交序列;
随机接入序列的长度为N;
可以选择的随机接入序列的索引信息,例如索引1至索引20,配置的随机接入序列的数量由Node A确定。
随机接入信令中循环前缀的长度配置信息Ncircleprefix;
随机接入信令中循环后缀的长度配置信息Ncirclepostfix;
Ncircleprefix和/或Ncirclepostfix和/或N由Node A根据测量接收到序列1的最大时延量确定;
步骤3:
UE1~UE4解码随机接入配置信息,每个UE分别在TF1~TF5中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引1至索引20中选择;
步骤4:
本实施例中,假设UE5、UE6并没有在Block(1,1)至Block(3,2)中发送参考信号,则UE5、UE6会尝试盲检测Node A发送的随机接入信道的配置信息,例如,UE5随机的方式选择尝试盲检测与序列1、序列2、序列3关联的随机接入信道的配置信息;UE6尝试盲检测与序列4、序列5、序列6关联的随机接入信道的配置信息;
UE5成功解码Node A会针对序列1发送的随机接入配置信息,UE5在TF1~TF5中随机选择一个时频资源发送随机接入序列,随机接入序列的索引随机从索引1至索引20中选择;
UE6没有成功解码随机接入配置信息,则会在Block(1,3)至Block(3,4)中发送参考信号。
通过上述各实施例,不仅可以保证巨量用户成功接入系统,还可以控制系统资源开销,提高频谱利用率。
显然,本领域的技术人员应该明白,上述的本发明的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,并且在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
工业实用性
如上所述,本发明实施例提供的一种随机接入配置信息发送方法、接收方法、发送装置、接收装置、第一类节点及第二类节点,具有以下有益效果:解决了当接入的用户数量巨大时,采用相关技术中的用户接入系统的方案会导致系统资源开销巨大问题,进而达到了减少资源开销的效果。

Claims (74)

  1. 一种随机接入配置信息发送方法,包括:
    第一类节点接收第二类节点发送的第一类参考信号,其中,所述第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个所述第一类参考信号子集合,所述第一类参考信号子集合包括一个或多个第一类参考信号;
    所述第一类节点根据接收的所述第一类参考信号向所述第二类节点发送随机接入配置信息。
  2. 根据权利要求1所述的方法,其中,所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
  3. 根据权利要求1或2所述的方法,其中,所述确定的时域资源集合包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
  4. 根据权利要求1所述的方法,其中,所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:
    由第一类节点发送给所述第二类节点的方式进行配置;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
  5. 根据权利要求1所述的方法,其中,所述第一类参考信号包括以下类型至少之一:
    预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  6. 根据权利要求5所述的方法,其中,所述随机接入配置信息包括以下至少之一:
    随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
  7. 根据权利要求6所述的方法,其中,所述随机接入信道的配置信息包括以下至少之一:
    在确定周期内,随机接入信道占用的时域和频域资源的分布信息;
    随机接入信道持续时间信息;
    随机接入信道起始时间信息;
    随机接入信道结束时间信息。
  8. 根据权利要求7所述的方法,其中,所述随机接入信道持续时间包括一个或多个所述确定周期。
  9. 根据权利要求7或8所述的方法,其中,所述确定周期包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
  10. 根据权利要求7所述的方法,其中,所述随机接入信道起始时间信息包括:
    与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
  11. 根据权利要求6所述的方法,其中,所述随机接入信令的配置信息包括以下至少之一:
    随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
  12. 根据权利要求11所述的方法,其中,所述随机接入序列的类型包括以下至少之一:
    预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  13. 根据权利要求11所述的方法,其中,包括以下至少之一:
    所述随机接入序列的类型与所述第一类参考信号的类型相同;
    所述随机接入信令中循环前缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;
    所述随机接入信令中循环后缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;
    所述随机接入序列循环移位的长度由测量到接收的所述第一类参考信号的最大时延量确定。
  14. 根据权利要求1所述的方法,其中,所述第一类节点根据接收的所述第一类参考信号向所述第二类节点发送所述随机接入配置信息包括:
    所述第一类节点根据接收的所述第一类参考信号所属的不同的所述第一类参考信号子集合,向不同的所述第二类节点发送不同的所述随机接入配置信息。
  15. 根据权利要求1至14中任一项所述的方法,其中,所述第二类节点包括以下至少之一:
    人到人H2H通信终端;
    机器到机器M2M通信终端;
    设备到设备D2D通信终端。
  16. 一种随机接入配置信息接收方法,包括:
    第二类节点接收第一类节点发送的第一类参考信号的资源分配信息;
    所述第二类节点根据接收的所述第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给所述第一类节点;
    所述第二类节点接收所述第一类节点发送的特定的随机接入配置信息。
  17. 根据权利要求16所述的方法,其中,所述第二类节点在接收所述随机接入配置信息之后,还包括:
    根据所述随机接入配置信息向所述第一类节点发送随机接入信令。
  18. 根据权利要求16所述的方法,其中,所述第一类参考信号的资源分配信息包括以下至少之一:
    第一类参考信号集合中包括的第一类参考信号子集合的数量信息;
    第一类参考信号子集合中包括的第一类参考信号的数量信息;
    第一类参考信号子集合中包括的第一类参考信号的信息。
  19. 根据权利要求16所述的方法,其中,所述特定的随机接入配置信息包括发送给特定集合中的第二类节点的随机接入配置信息。
  20. 根据权利要求19所述的方法,其中,所述特定集合中的第二类节点包括:在确定的时频资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的第二类节点。
  21. 根据权利要求16所述的方法,其中,所述第二类节点将根据接收的所述第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给所述第一类节点包括:
    所述第二类节点在确定的时域资源集合中发送所述第一类参考信号,其中,所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
  22. 根据权利要求20或21所述的方法,其中,所述确定的时域资源集合包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
  23. 根据权利要求18所述的方法,其中,所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:
    由所述第一类节点发送给所述第二类节点的方式进行配置;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
  24. 根据权利要求16所述的方法,其中,在所述第二类节点接收所述第一类节点发送的特定的随机接入配置信息之后,还包括:
    当所述第二类节点在接收所述第一类节点发送的随机接入配置信息之前,没有发送过所述第一类参考信号,则所述第二类节点解码接收的所述特定的随机接入配置信息。
  25. 根据权利要求24所述的方法,其中,当所述第二类节点解码接收的所述特定的随机接入配置信息失败的情况下,所述第二类节点发送所述第一类参考信号。
  26. 根据权利要求21所述的方法,其中,所述第一类参考信号包括以下类型至少之一:
    预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  27. 根据权利要求26所述的方法,其中,所述随机接入配置信息包括以下至少之一:
    随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
  28. 根据权利要求27所述的方法,其中,所述随机接入信道的配置信息包括以下至少之一:
    在确定周期内,随机接入信道占用的时域和频域资源的分布信息;
    随机接入信道持续时间信息;
    随机接入信道起始时间信息;
    随机接入信道结束时间信息。
  29. 根据权利要求28所述的方法,其中,所述随机接入信道持续时间包括一个或多个所述确定周期。
  30. 根据权利要求28或29所述的方法,其中,所述确定周期包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
  31. 根据权利要求29所述的方法,其中,所述随机接入信道起始时间信息包括:
    与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
  32. 根据权利要求27所述的方法,其中,所述随机接入信令的配置信息包括以下至少之一:
    随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
  33. 根据权利要求32所述的方法,其中,所述随机接入序列的类型包括以下至少之一:
    预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  34. 根据权利要求32所述的方法,其中,包括以下至少之一:
    所述随机接入序列的类型与所述第一类参考信号的类型相同;
    所述随机接入信令中循环前缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;
    所述随机接入信令中循环后缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;
    所述随机接入序列循环移位的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定。
  35. 根据权利要求16至34中任一项所述的方法,其中,所述第一类节点包括以下至少之一:
    宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
  36. 一种随机接入配置信息发送装置,应用于第一类节点中,包括:
    第一接收模块,设置为接收第二类节点发送的第一类参考信号,其中,所述第二类节点包括在确定的时域资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的节点,其中,第一类参考信号集合包括一个或多个所述第一类参考信号子集合,所述第一类参考信号子集合包括一个或多个第一类参考信号;
    第一发送模块,设置为根据接收的所述第一类参考信号向所述第二类节点发送随机接入配置信息。
  37. 根据权利要求36所述的装置,其中,所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
  38. 根据权利要求36或37所述的装置,其中,所述确定的时域资源集合包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
  39. 根据权利要求36所述的装置,其中,所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:
    由第一类节点发送给所述第二类节点的方式进行配置;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
  40. 根据权利要求36所述的装置,其中,所述第一类参考信号包括以下类型至少之一:
    预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  41. 根据权利要求40所述的装置,其中,所述随机接入配置信息包括以下至少之一:
    随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
  42. 根据权利要求41所述的装置,其中,所述随机接入信道的配置信息包括以下至少之一:
    在确定周期内,随机接入信道占用的时域和频域资源的分布信息;
    随机接入信道持续时间信息;
    随机接入信道起始时间信息;
    随机接入信道结束时间信息。
  43. 根据权利要求42所述的装置,其中,所述随机接入信道持续时间包括一个或多个所述确定周期。
  44. 根据权利要求42或43所述的装置,其中,所述确定周期包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
  45. 根据权利要求42所述的装置,其中,所述随机接入信道起始时间信息包括:
    与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
  46. 根据权利要求41所述的装置,其中,所述随机接入信令的配置信息包括以下至少之一:
    随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
  47. 根据权利要求46所述的装置,其中,所述随机接入序列的类型包括以下至少之一:
    预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  48. 根据权利要求46所述的装置,其中,包括以下至少之一:
    所述随机接入序列的类型与所述第一类参考信号的类型相同;
    所述随机接入信令中循环前缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;
    所述随机接入信令中循环后缀的长度由测量到接收的所述第一类参考信号的最大时延量确定;
    所述随机接入序列循环移位的长度由测量到接收的所述第一类参考信号的最大时延量确定。
  49. 根据权利要求36所述的装置,其中,所述第一发送模块包括:
    根据接收的所述第一类参考信号所属的不同的所述第一类参考信号子集合,向不同的所述第二类节点发送不同的所述随机接入配置信息。
  50. 根据权利要求36至49中任一项所述的装置,其中,所述第二类节点包括以下至少之一:
    人到人H2H通信终端;
    机器到机器M2M通信终端;
    设备到设备D2D通信终端。
  51. 一种随机接入配置信息接收装置,应用于第二类节点中,包括:
    第二接收模块,设置为接收第一类节点发送的第一类参考信号的资源分配信息;
    第二发送模块,设置为根据接收的所述第一类参考信号的资源分配信息从一个第一类参考信号子集合中选择的一条或多条第一类参考信号发送给所述第一类节点;
    第三接收模块,设置为接收所述第一类节点发送的特定的随机接入配置信息。
  52. 根据权利要求51所述的装置,其中,还包括:
    第三发送模块,设置为根据所述随机接入配置信息向所述第一类节点发送随机接入信令。
  53. 根据权利要求51所述的装置,其中,所述第一类参考信号的资源分配信息包括以下至少之一:
    第一类参考信号集合中包括的第一类参考信号子集合的数量信息;
    第一类参考信号子集合中包括的第一类参考信号的数量信息;
    第一类参考信号子集合中包括的第一类参考信号的信息。
  54. 根据权利要求51所述的装置,其中,所述特定的随机接入配置信息包括发送给特定集合中的第二类节点的随机接入配置信息。
  55. 根据权利要求54所述的装置,其中,所述特定集合中的第二类节点包括:在确定的时频资源集合中发送的第一类参考信号属于同一第一类参考信号子集合的第二类节点。
  56. 根据权利要求51所述的装置,其中,所述第二发送模块包括:
    所述第二类节点在确定的时域资源集合中发送所述第一类参考信号,其中,所述确定的时域资源集合在频域和/或时域上连续分布、或者所述确定的时域资源集合在频域和/或时域上离散分布。
  57. 根据权利要求55或56所述的装置,其中,所述确定的时域资源集合包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的时域资源集合;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的时域资源集合。
  58. 根据权利要求53所述的装置,其中,所述第一类参考信号集合和/或所述第一类参考信号子集合通过以下方式至少之一进行配置:
    由所述第一类节点发送给所述第二类节点的方式进行配置;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置。
  59. 根据权利要求51所述的装置,其中,还包括:
    解码模块,设置为当所述第二类节点在接收所述第一类节点发送的随机接入配置信息之前,没有发送过所述第一类参考信号,则解码接收的所述特定的随机接入配置信息。
  60. 根据权利要求59所述的装置,其中,还包括:
    第四发送模块,设置为当所述解码模块解码失败的情况下,发送所述第一类参考信号。
  61. 根据权利要求57所述的装置,其中,所述第一类参考信号包括以下类型至少之一:
    预定的信号、预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  62. 根据权利要求61所述的装置,其中,所述随机接入配置信息包括以下至少之一:
    随机接入信道的配置信息、随机接入信令的配置信息、用于指示是否再次发送所述第一类参考信号的指示信息。
  63. 根据权利要求62所述的装置,其中,所述随机接入信道的配置信息包括以下至少之一:
    在确定周期内,随机接入信道占用的时域和频域资源的分布信息;
    随机接入信道持续时间信息;
    随机接入信道起始时间信息;
    随机接入信道结束时间信息。
  64. 根据权利要求63所述的装置,其中,所述随机接入信道持续时间包括一个或多个所述确定周期。
  65. 根据权利要求63或64所述的装置,其中,所述确定周期包括以下至少之一:
    由所述第一类节点通过信令发送给所述第二类节点的方式进行配置的周期;
    通过预定的方式在所述第一类节点和所述第二类节点中进行配置的周期。
  66. 根据权利要求64所述的装置,其中,所述随机接入信道起始时间信息包括:
    与所述确定的时域资源集合结束时刻间隔预定数量个时域度量单元。
  67. 根据权利要求62所述的装置,其中,所述随机接入信令的配置信息包括以下至少之一:
    随机接入序列的类型、随机接入序列长度、一个或多个随机接入序列的索引信息、随机接入信令中循环前缀的长度配置信息、随机接入信令中循环后缀的长度配置信息、随机接入序列循环移位配置信息。
  68. 根据权利要求67所述的装置,其中,所述随机接入序列的类型包括以下至少之一:
    预定的序列、正交序列、准正交序列、伪随机序列,其中,所述正交序列包括Zadoff chu序列。
  69. 根据权利要求67所述的装置,其中,包括以下至少之一:
    所述随机接入序列的类型与所述第一类参考信号的类型相同;
    所述随机接入信令中循环前缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;
    所述随机接入信令中循环后缀的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定;
    所述随机接入序列循环移位的长度由测量到的所述第一类节点接收所述第一类参考信号的最大时延量确定。
  70. 根据权利要求51至69中任一项所述的装置,其中,所述第一类节点包括以下至少之一:
    宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
  71. 一种第一类节点,包括权利要求36至50中任一项所述的装置。
  72. 根据权利要求71所述的第一类节点,其中,所述第一类节点包括以下至少之一:
    宏基站、微基站、微微基站、毫微微基站、家庭基站、低功率节点、中继站。
  73. 一种第二类节点,包括权利要求51至70中任一项所述的装置。
  74. 根据权利要求73所述的第二类节点,其中,所述第二类节点包括以下至少之一:
    人到人H2H通信终端;
    机器到机器M2M通信终端;
    设备到设备D2D通信终端。
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Publication number Priority date Publication date Assignee Title
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