WO2017157054A1 - 一种序列信号发送方法及终端 - Google Patents

一种序列信号发送方法及终端 Download PDF

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Publication number
WO2017157054A1
WO2017157054A1 PCT/CN2016/108374 CN2016108374W WO2017157054A1 WO 2017157054 A1 WO2017157054 A1 WO 2017157054A1 CN 2016108374 W CN2016108374 W CN 2016108374W WO 2017157054 A1 WO2017157054 A1 WO 2017157054A1
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WO
WIPO (PCT)
Prior art keywords
terminal
channel resource
sequence
network side
side device
Prior art date
Application number
PCT/CN2016/108374
Other languages
English (en)
French (fr)
Inventor
刘亚林
陈军
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2018561299A priority Critical patent/JP6621944B2/ja
Priority to EP16894213.4A priority patent/EP3393187B1/en
Publication of WO2017157054A1 publication Critical patent/WO2017157054A1/zh
Priority to US16/132,271 priority patent/US10652864B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/121—Wireless traffic scheduling for groups of terminals or users
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/34—Flow control; Congestion control ensuring sequence integrity, e.g. using sequence numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present invention relates to the field of communications, and in particular, to a method for transmitting a sequence signal.
  • Future mobile communication systems need to support tremendous growth in mobile data traffic, massive device connectivity, and a variety of new services and applications, such as enhanced mobile broadband, large-scale machine-like communications, ultra-reliable and low-latency communications. Therefore, mobile communication systems need to have better performance, such as greater system capacity, lower latency, more robust mobility, more accurate terminal location, higher network reliability, and better network availability. For example, the vision of IMT-2020 (International Mobile Telecommunications) is to be able to easily realize the intelligent interconnection of people and everything.
  • IMT-2020 International Mobile Telecommunications
  • a super cell consists of one or more sub-areas, each of which is provided with a fixed transmission node.
  • Each super cell corresponds to a logical entity, which is responsible for managing and controlling the transit nodes of all sub-areas of the super cell.
  • the terminal located in the sub-area can receive the signal transmitted by the transmission node of the sub-area on the downlink, and the terminal can also send a signal to the transmission node of the sub-area on the uplink. Therefore, it is necessary to consider how the terminal obtains channel resources for transmitting signals.
  • the embodiment of the invention provides a method and a device for transmitting a sequence signal, which is used for a network centered on a user equipment, and indicates a channel resource used for transmitting a sequence signal from a network side device, so that the terminal can stably and reliably transmit the sequence signal.
  • the first aspect of the embodiments of the present invention provides a sequence signal sending method, where the method includes:
  • the network side device generates control information, where the control information includes a channel resource indication and a sequence identifier.
  • the channel resource indication is used to indicate the channel resource used by the terminal, and the network side device generates the control information according to the situation of the network.
  • the network may include the number of terminals in the network, the transmission time interval, and the used condition of the network resource.
  • the network side device sends control information to the terminal through a broadcast channel or a random access response channel, where the channel resource indication may include channel resource allocation information, that is, the terminal acquires control information through a specific communication channel, and the channel resource indication includes the terminal available.
  • the channel resource, and the channel resource is indicated to the terminal, the terminal can obtain the channel resource therefrom.
  • the control information may be carried in the system information SIB or the broadcast message MIB.
  • the control information may be carried in a random access response message or a conflict resolution message in a random access procedure.
  • the terminal determines a corresponding sequence signal according to the sequence identifier, and the terminal determines the available sequence signal according to the obtained sequence identifier.
  • the sequence signal is included in the sequence set, and for each sequence set, there is a sequence signal corresponding to the sequence identifier, and the corresponding relationship is preset, so the terminal can correspond to the preset by the sequence identifier. Get the desired sequence signal.
  • the terminal sends the sequence signal by using the channel resource, and after the terminal obtains the sequence number and the corresponding channel resource, the terminal sends the sequence number to the sub-area through the channel resource.
  • the network side device receives the sequence number, the terminal can know that the sequence number is received.
  • the method explicitly indicates the required channel resources for the terminal, and also clarifies the method for transmitting the channel resources, thereby ensuring that the terminal obtains stable and reliable communication quality and provides a satisfactory user experience.
  • the first implementation manner of the first aspect includes: acquiring, by the terminal, a transmission time interval; the terminal determining, according to the preset correspondence, a sequence set corresponding to the transmission time interval, where the preset correspondence indicates the sequence The set corresponds to the transmission time interval, and the sequence set includes one or more sequence signals; the terminal determines, according to the preset binding relationship, the sequence signal corresponding to the sequence identifier in the sequence set, the preset binding relationship indication The sequence identifier corresponds to the sequence signal.
  • the method can dynamically adjust and configure channel resources dynamically according to different transmission time intervals, more effectively ensure transmission efficiency, more reliably implement terminal positioning and tracking functions, or support other functions.
  • the transmission time interval is only one of the service characteristics that can be considered.
  • the method can also be used to consider different scenarios such as the number of users, service characteristics, and timing resources.
  • the second implementation manner of the first aspect includes:
  • the network side terminal transmits channel resource change information to the terminal on the paging/unicast channel, and the channel resource change information indicates the updated channel resource.
  • the network side device generates the channel resource change information according to the corresponding situation, and the channel resource change information may be used to indicate that the terminal receives the updated channel resource, because the number of the terminals in the network, the transmission time interval, and other network conditions change.
  • the terminal sends the sequence signal to the network side device by using the updated channel resource.
  • the method can make the terminal channel explicitly indicate the required channel resource when the terminal sends the sequence signal to the network side device even when the network is unstable, and also clear the channel resource transmission method, and can also make the network side device Stable control of the terminal ensures that the terminal obtains stable and reliable communication quality and provides a satisfactory user experience.
  • a second aspect of the embodiments of the present invention provides a terminal, including:
  • a first receiving module configured to receive control information sent by the network side device, where the control information includes a sequence identifier and a channel resource indication, where the channel resource indication is used to indicate a channel resource available to the terminal, and the determining module is configured to receive, according to the first The sequence identifier received by the module determines a corresponding sequence signal; the first sending module is configured to send the sequence signal determined by the determining module by using the channel resource received by the first receiving module.
  • the method explicitly indicates the required channel resources for the terminal, and also clarifies the method for transmitting the channel resources, thereby ensuring that the terminal obtains stable and reliable communication quality and provides a satisfactory user experience.
  • a third aspect of the embodiments of the present invention provides a network side device, including:
  • a generating module configured to generate control information, where the control information includes a channel resource indication and a sequence identifier, the channel resource indication is used to indicate a channel resource used by the terminal, and the first sending module is configured to send, to the terminal, control information generated by the generating module;
  • the receiving module is configured to receive a sequence signal sent by the terminal by using the channel resource carried in the control information sent by the first sending module, where the sequence signal is determined by the terminal according to the sequence identifier.
  • the method explicitly indicates the required channel resources for the terminal, and also clarifies the method for transmitting the channel resources, thereby ensuring that the terminal obtains stable and reliable communication quality and provides a satisfactory user experience.
  • a fourth aspect of the embodiments of the present invention provides a terminal, including:
  • Transceiver memory, processor, and bus.
  • the transceiver, memory, and processor are connected by a bus.
  • the transceiver is configured to receive control information sent by the network side device, where the control information includes a sequence identifier and a channel resource indication, where the channel resource indication is used to indicate a channel resource available to the terminal.
  • the processor is configured to determine a corresponding sequence signal according to the sequence identifier.
  • the transceiver is also operative to transmit sequence signals using channel resources.
  • the memory is used to store programs, sequence identifications, sequence signals, control information, and channel resource indications.
  • an embodiment of the present invention provides a method for receiving a sequence signal, where the method is used for a network centered on a user equipment, and specifically includes:
  • the network side device generates control information, where the control information includes a channel resource indication and a sequence identifier, where the channel resource indication is used to indicate a channel resource used by the terminal; the network side device sends control information to the terminal; the network side device receives the The sequence signal sent by the terminal using the channel resource, wherein the sequence signal is determined by the terminal according to the sequence identifier.
  • embodiments of the present invention also provide a non-transitory computer readable storage medium, when instructions in the storage medium are executed by a processor of a network device, enabling the network device to perform any of the above A sequence signal transmission method or a sequence signal reception method.
  • the terminal receives the control information sent by the network side device, where the control information includes the sequence identifier and the channel resource indication, and obtains the sequence signal by using the sequence identifier and the preset correspondence, and obtains the channel resource by using the channel resource indication, so that the terminal is to the network side.
  • the terminal clearly indicates the required channel resources, and the channel resource transmission method is also clarified, thereby ensuring the terminal to obtain stable and reliable communication quality and providing a satisfactory user experience.
  • FIG. 1 is a schematic diagram of a framework of a network centered on a user equipment in an embodiment of the present application
  • FIG. 2 is a schematic diagram of an embodiment of a method for transmitting a sequence signal according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of an embodiment of a random access procedure according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an embodiment of a terminal according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of another embodiment of a terminal according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another embodiment of a terminal according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an embodiment of a network side device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of another embodiment of a network side device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of another embodiment of a network side device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of another embodiment of a terminal according to an embodiment of the present invention.
  • the embodiment of the invention provides a sequence signal sending method for receiving control information from a network side device to clarify channel resources used by the terminal to send sequence signals to the network side device.
  • FIG. 1 is a schematic diagram of a framework of a network centered on a user equipment.
  • one or more sub-zones (English: zone) can form a super cell (English: hypercell) within a certain time according to requirements, and at least one sub-zone supports radio wave access of one or more terminals, each The super cell corresponds to a logical entity (English: logical entity; abbreviation: LE), each sub-area corresponds to a transmission node (English: transmission point; abbreviation: TP), the LE in the super cell and all the TPs are collectively referred to as network side devices.
  • the network side device can assign a sequence identifier to the terminal.
  • the terminal may obtain a corresponding sequence signal by using the sequence identifier, and may send the sequence signal to the network side device, wherein at least one sub-area in the super cell provides radio wave access to the radio wave communication network.
  • one sub-area may be a fixed space
  • the corresponding transmission node TP may be a base station, that is, a public mobile communication base station, which is an entity for communication, and may include a base transceiver station (BTS).
  • BTS base transceiver station
  • BSC base station controller
  • the base transceiver station and the base station controller are common knowledge, and are not described herein again. It should be noted that when the terminal enters the area of the sub-area, a sequence signal or other signal may be sent to the TP corresponding to the sub-area, so that there is communication between the TP and the terminal.
  • a super cell composed of a plurality of sub-areas may be in a certain time according to the situation of the terminal on the network.
  • the logical entity LE corresponding to the super cell will uniformly manage all the TPs in the super cell.
  • the sub-areas that make up a super cell can be adjusted accordingly, that is, the TP managed by one LE has corresponding adjustments.
  • one super cell and the corresponding LE may be determined according to channel resource requirements of the terminals in the network. For example, at a certain time end, the terminal in the A area is particularly dense, and the A area can be divided into several super cells, and each super cell uses one LE to manage the TP in the sub-area within the super cell.
  • Terminals in Area B are particularly sparse, and Area B may use only one Super Cell. Compared with the original cellular network centered on the network side device, the terminal-centric network using the super cell will be more flexible in formulating the resource allocation strategy according to the situation of the terminal. It should be noted that the terminal Including mobile phones, tablets, personal computers, smart phones, express tracking signs, etc., are not limited here.
  • each sub-area is assigned a sequence set, and a sequence set contains one or more sequence signals.
  • different sub-areas may reuse (English: reuse) the same sequence set, and may also use different sequence sets, which are not limited herein.
  • two adjacent sub-areas use different sequence sets, and two adjacent sub-areas may use the same sequence set.
  • the TP receives a sequence signal, since the same sequence set is not used between two adjacent sub-areas, the TP can determine whether the sequence signal belongs to one of the sequence sets that are provided by itself, and thus can determine Whether the terminal is in the sub-area.
  • the TP receives the sequence signal not only for tracking and positioning, but also for power control, which is not limited herein.
  • the terminal location function within the super cell may be assisted by the terminal transmitting a sequence signal on the uplink tracking channel.
  • the terminal in the super cell obtains the terminal-specific sequence identifier, and then obtains a sequence signal from the sequence set according to the terminal-specific sequence identifier and the preset correspondence relationship, thereby determining the specific sequence signal of the terminal, and transmitting the sequence on the tracking channel.
  • Specific sequence signals to achieve the positioning function of the terminal Specifically, when the terminal uses the channel resource to send a sequence signal to the transmission node in the sub-area, the transmission node sends information to the logical entity to indicate that the terminal is in the area where the terminal is located, so that the logical entity obtains the location of the terminal.
  • the network system load will also dynamically change at any time, and in the tracking process, if the required channel resources are not configured for the terminal in time, There is no explicit transmission method to transmit configuration information of channel resources, so it is difficult to ensure that users obtain stable and reliable communication quality and provide a satisfactory service experience.
  • An embodiment of the present invention provides a channel and a method for a terminal to acquire a channel resource, where the terminal receives control information sent by the network side device, where the control information includes a sequence identifier and a channel resource indication, and obtains a sequence by using a sequence identifier and a preset correspondence.
  • the signal is obtained by the signal and by the channel resource indication, so that the terminal can transmit the sequence signal to the network side device.
  • the sequence signal transmission in the embodiment of the present invention includes:
  • the network side device generates control information.
  • the network side device generates control information according to the situation of the network, and the network may include the number of terminals in the network, the transmission time interval, the usage of the network resources, and the scenario where each terminal in the network is located, such as Static terminal, slow mobile terminal, high speed mobile terminal, and the like.
  • the control information includes a channel resource indication and a sequence identifier, where the channel resource indication is used to indicate a channel resource available to the terminal.
  • the sequence identifier may be a C-RNTI, or may be a U-RNTI, or may be an IMEI code (International Mobile Equipment Identity) provided by the terminal, or may be a generation parameter of a sequence signal in the sequence set. This is not limited here.
  • the acquisition of the sequence identifier by the network side device is common knowledge and will not be described here.
  • the network side device sends control information to the terminal by using a broadcast channel/random access response channel.
  • the channel resource indication may include channel resource allocation information, that is, the terminal acquires control information through a specific communication channel, and the channel resource indication includes a channel resource available to the terminal, and indicates the channel resource to the terminal. Then, the terminal can obtain channel resources therefrom.
  • the channel resources herein may include a channel location, a size, a period, and the like, which are not limited herein.
  • the channel resource indication may not carry channel resources, but is used to instruct the terminal to acquire channel resources from the unique channel.
  • the network system pre-defines a plurality of different channel resources in the protocol, and when the terminal receives the control information, that is, obtains channel resources from the channel resource allocation information indicated by the channel resource indication in the protocol. .
  • the control information can indicate that the terminal acquires channel resources, it is not limited herein.
  • the network side device may send control information to the terminal through a broadcast channel, so that all the terminals in the super cell receive the broadcast information and the control information, and acquire channel resources therefrom.
  • the broadcast channel can include a BCCH, FCCH, or SCH. They are all one-way downlink channels, that is, from network side devices to terminals.
  • the BCCH is mainly used to transmit system messages
  • the FCCH is mainly for correcting frequencies
  • the SCH is a synchronization channel. They are all transmitted in a point-to-multipoint manner.
  • the control information may be included in the main information block (MIB) or the system information block (SIB), and the MIB and the SIB are common knowledge, and are not described here.
  • the network side device may send control information to the terminal through a random access response channel, so that all terminals in the super cell receive control information and obtain channel resources therefrom.
  • Step 1 The terminal randomly selects a preamble sequence and sends it to the base station on a random access channel (English: Random Access Channel; RACH for short).
  • the random access procedure may be a contention based random access procedure in which the terminal randomly selects a preamble sequence to transmit on the random access channel.
  • a sequence identifier may be assigned to the terminal, and a channel resource allocated to the uplink of the terminal may also be implemented.
  • the random access procedure is also based on non-contention, and the network side device allocates a preamble sequence to the terminal.
  • Step 2 The base station detects the preamble sequence and sends a random access response to the terminal.
  • the random access response may include control information, where the control information includes a channel resource indication and a sequence identifier.
  • Step 3 After receiving the random access response, the terminal sends an uplink message on the allocated channel resource according to the indication.
  • the network side device sends a random access response in the downlink after detecting the presence of the preamble sequence, whether in the embodiment of the present invention, the random access response is Control information.
  • the control information may include a channel resource indication and a sequence identifier of the preamble sequence.
  • Step 4 The base station receives the uplink message of the terminal, and returns a conflict resolution message to the terminal that successfully accesses.
  • the control information may also be included in the conflict resolution message, which is not limited herein.
  • the terminal determines, according to the sequence identifier, a corresponding sequence signal.
  • the terminal after receiving the control information, the terminal first acquires the sequence identifier.
  • the control information may also carry the MAC address or the IP address of the terminal, or other specified manner, which is not limited herein.
  • the terminal determines the available sequence signals based on the obtained sequence identification. Specifically, the sequence signal is included in the sequence set, and the sequence set can be determined according to the TTI. Different TTIs correspond to different sets of sequences. For each sequence set, there is a sequence signal corresponding to the sequence identifier, and the corresponding relationship is preset, so the terminal can obtain the required sequence signal by the sequence identifier and the preset correspondence.
  • the size of the TTI may be 0.5 ms, 1 ms, 10 ms, respectively.
  • the TTI size is 0.5 ms
  • the following sequence set is used correspondingly, wherein the sequence signal is a walsh code W4 having a length of 4 symbols:
  • sequence signal is a walsh code W8 of length 8 symbols:
  • a sequence set is used correspondingly, and one of the sequence signals is composed of the above-mentioned walsh code of 4 symbols and repeated 20 times [W4, W4, . . . , W4], or A walsh code of 8 symbols in length is repeated 10 times to form [W8, W8, ..., W8].
  • different TTIs correspond to different sequence sets, and thus the sequence set can be determined according to the TTI used by the terminal.
  • sequence signal corresponding to the sequence identifier, and the corresponding relationship is preset, so the terminal can obtain the required sequence set in the determined sequence by the sequence identifier and the preset correspondence.
  • Sequence signal for each sequence set, there is a sequence signal corresponding to the sequence identifier, and the corresponding relationship is preset, so the terminal can obtain the required sequence set in the determined sequence by the sequence identifier and the preset correspondence.
  • TTI is only one parameter in the network and is one of the factors affecting the serial number.
  • factors such as timing resources. This embodiment is only described by using TTI as an example.
  • the terminal uses the channel resource to send a sequence signal.
  • the sequence signal can be used as a location tracking of the terminal by the network side device.
  • the terminal After obtaining the sequence number and the corresponding channel resource, the terminal sends the sequence number to the sub-area through the channel resource.
  • the network side device receives the sequence number, the sub-area where the terminal is located is known.
  • the terminal uses the channel resource to send the sequence signal to the transmission node in the sub-area, and the transmission is further performed.
  • the transmitting node sends information to the logical entity to indicate that the terminal is in its own area, so that the logical entity obtains the location of the terminal.
  • the denser the sub-areas of the network the higher the accuracy of this method of positioning.
  • the network side device may implement control of transmitting the sequence signal to the terminal.
  • the network side device may send an instruction on the downlink, where the instruction may instruct the terminal to send a sequence signal on the channel resource, where the process includes starting, pausing, continuing, reconfiguring, and terminating the sending, which is not limited herein.
  • the terminal can execute the instruction after receiving the indication.
  • the terminal sends the sequence signal to the network side device, so that the network side device determines the transmission power of the terminal by the strength of the signal, so as to send information to the terminal to control the transmission power of the terminal.
  • the network side device generates channel resource change information.
  • the network side device due to the number of terminals in the network, the transmission time interval, and other network conditions, the network side device generates channel resource change information according to the corresponding situation, and the channel resource change information may be carried or notified after the update.
  • the channel resources are such that the channel signal can be transmitted using the channel resource after the terminal acquires.
  • the channel resource change information does not carry channel resources, and may be used to indicate a channel and time for the terminal to receive channel resource allocation information, and the channel may be a broadcast channel or a channel specifically for an individual terminal. This is not limited here.
  • the network side device may establish a separate data channel between the terminal and the network side device, and each data packet may be transmitted to only one terminal, and the network side device may select to use an IP unicast protocol.
  • the network side device selects a transmission path according to its target address, and transmits channel resource change information as IP unicast data to its designated terminal.
  • the network side device may send channel resource change information to the terminal by paging.
  • the paging may include a paging initiated by the network side and a paging initiated by the terminal side.
  • the paging initiated by the network side device is used to establish a signaling connection, and the paging initiated by the network side device may also be divided into cooperative paging and non-cooperative paging. As long as the network side can realize communication with the terminal through paging, it is not limited herein.
  • the terminal may correspond to different sequence sets at different time points, and the transmission time interval TTI is different in the wireless communication system.
  • TTI transmission time interval
  • each TTI corresponds to a sequence set, so the terminal can determine the sequence set according to the TTI and the preset correspondence.
  • the terminal receives channel resource change information.
  • the terminal after receiving the channel resource change information, the terminal may obtain the available updated channel resource from the terminal.
  • the channel resource change information may include the updated channel resource, and the terminal directly uses the channel resource after receiving the channel resource change information.
  • the channel resource change information does not include the channel resource allocation information, but indicates that the terminal acquires the channel resource allocation information on the broadcast channel or the unicast channel, which is not limited herein.
  • the terminal sends the sequence signal by using the channel resource.
  • Step 207 is the same as step 203 in this embodiment, and details are not described herein.
  • the terminal receives the control information sent by the network side device, where the control information includes the sequence identifier and the channel resource indication, and obtains the sequence signal by using the sequence identifier and the preset correspondence, and obtains the channel resource by using the channel resource indication, so that the terminal is to the network side.
  • the terminal clearly indicates the required channel resources, and the channel resource transmission method is also clarified, thereby ensuring the terminal to obtain stable and reliable communication quality and providing a satisfactory user experience.
  • an embodiment of the present application further provides a terminal 400, where the terminal includes:
  • the first receiving module 401 is configured to receive control information sent by the network side device, where the control information includes a sequence identifier and a channel resource indication, where the channel resource indication is used to indicate a channel resource available to the terminal.
  • the determining module 402 is configured to determine a corresponding sequence signal according to the sequence identifier received by the first receiving module 401.
  • the first sending module 403 is configured to send the sequence signal determined by the determining module 402 by using the channel resource received by the first receiving module 401.
  • the determining module 402 includes:
  • the obtaining submodule 4021 is configured to acquire a transmission time interval.
  • the first determining sub-module 4022 is configured to determine, according to the preset correspondence, a sequence set corresponding to the transmission time interval acquired by the acquiring sub-module 4021, where the preset correspondence indicates that the sequence set corresponds to the transmission time interval, the sequence The set includes one or more sequence signals.
  • the second determining sub-module 4023 is configured to determine, according to the preset binding relationship, the sequence signal corresponding to the sequence identifier received by the first receiving module 401 in the sequence set determined by the first determining sub-module 4022, the pre- The binding relationship indicates that the sequence identifier corresponds to the sequence signal.
  • the first receiving module 401 includes:
  • the first receiving submodule 4011 is configured to receive the control information sent by the network side device on a broadcast channel, where the control information is carried in the system information SIB or the broadcast message MIB.
  • the terminal 400 can also include:
  • the second receiving module 404 is configured to receive channel resource change information, where the channel resource change information indicates the updated channel resource, and the second sending module 405 is configured to use the updated channel resource direction received by the second receiving module 404.
  • the network side device transmits the sequence signal.
  • the first receiving module 401 may include:
  • the second receiving submodule 4012 is configured to receive the control information sent by the network side device on a random access response channel.
  • the terminal receives the control information sent by the network side device, where the control information includes the sequence identifier and the channel resource indication, and obtains the sequence signal by using the sequence identifier and the preset correspondence, and obtains the channel resource by using the channel resource indication, so that the terminal is to the network side.
  • the terminal clearly indicates the required channel resources, and the channel resource transmission method is also clarified, thereby ensuring the terminal to obtain stable and reliable communication quality and providing a satisfactory user experience.
  • the terminal in the embodiment of the present application is described above.
  • the following describes the network side device in the embodiment of the present application.
  • the embodiment of the present application further provides a network side device 500, where the network side device includes:
  • the generating module 501 is configured to generate control information, where the control information includes a channel resource indication and a sequence identifier, where the channel resource indication is used to indicate a channel resource used by the terminal 400.
  • the first sending module 502 is configured to send, to the terminal 400, control information generated by the generating module 501.
  • the first receiving module 503 is configured to receive the sequence signal sent by the terminal 400 by using the channel resource carried in the control information sent by the first sending module 502, and the sequence signal is determined by the terminal 400 according to the sequence identifier.
  • the first sending module 503 includes:
  • the first sending submodule 5031 is configured to send control information to the terminal 400 on the broadcast channel, where the control information is carried in the system information SIB or the broadcast message MIB.
  • the network side device 500 further includes:
  • the second sending module 504 is configured to send channel resource change information to the terminal 400, where the channel resource change information indicates the updated channel resource.
  • the second receiving module 505 is configured to receive a sequence signal sent by the second sending module 504 of the terminal 400 and sent by using the updated channel resource.
  • the first sending module 503 may further include:
  • the second sending submodule 5032 is configured to send control information to the terminal 400 on the random access response channel.
  • the network side device sends the control information to the terminal, where the control information includes the sequence identifier and the channel resource indication, and obtains the sequence signal by using the sequence identifier and the preset correspondence, and obtains the channel resource by using the channel resource indication, so that the network side device receives the terminal.
  • the sequence signal is sent, the required channel resources are explicitly indicated for the terminal, and the channel resource transmission method is also clarified, thereby ensuring stable and reliable communication quality and providing a satisfactory user experience.
  • the locating device in the embodiment of the present application is described above from the perspective of a modular functional entity.
  • the following describes the terminal in the embodiment of the present application from the perspective of hardware processing.
  • the embodiment of the present application provides a terminal 600. And configured to receive control information from the network side device to clarify channel resources used by the terminal to send sequence signals to the network side device.
  • Transceiver 601 memory 602, processor 603, and bus 604.
  • the transceiver 601, the memory 602, and the processor 603 are connected by a bus 604.
  • the transceiver 601 is configured to receive control information sent by the network side device, where the control information includes a sequence identifier and a channel resource indication, where the channel resource indication is used to indicate a channel resource available to the terminal.
  • the transceiver 601 can include a communication interface (communication interface) between the processor 603 and a standard communication subsystem.
  • the transceiver 601 may further include a communication interface under the EIA-RS-232C standard, that is, a data terminal equipment (English: Data Terminal Equipment, abbreviation: DTE) and a data communication device (English: Data Circuit-terminating Equipment, abbreviation: DCE)
  • the communication interface of the serial binary data exchange interface technology standard may also include the communication interface under the RS-485 protocol, which is not limited herein.
  • the processor 603 is configured to determine a corresponding sequence signal according to the sequence identifier.
  • the processor 603 may be a central processing unit (English: central processing unit, abbreviated: CPU), a network processor (English: network processor, abbreviated: NP) or a combination of a CPU and an NP.
  • CPU central processing unit
  • NP network processor
  • the processor 603 may further include a hardware chip.
  • the hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (abbreviated as PLD), or a combination thereof.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the above PLD can be a complex programmable logic device (English: complex programmable logic device, abbreviation: CPLD), field-programmable gate array (English: field-programmable gate array, abbreviation: FPGA), general array logic (English: general array Logic, abbreviation: GAL) or any combination thereof.
  • the transceiver 601 is also operative to transmit sequence signals using channel resources.
  • the memory 602 is configured to store programs, sequence identifiers, sequence signals, preset correspondences, control information, and channel resource indications.
  • the memory 602 may include a volatile memory (English: volatile memory), such as random-access memory (abbreviation: RAM); the memory 602 may also include non-volatile memory (English: non-volatile memory) For example, flash memory, hard disk drive (HDD) or solid-state drive (SSD); the memory 602 may also include the above types of memory. The combination is not limited here.
  • volatile memory such as random-access memory (abbreviation: RAM)
  • non-volatile memory English: non-volatile memory
  • flash memory hard disk drive (HDD) or solid-state drive (SSD)
  • SSD solid-state drive
  • the combination is not limited here.
  • the memory 602 can also be used to store program instructions, and the processor 603 can call the program instructions stored in the memory 602 to perform one or more steps in the embodiment shown in FIG. 2, or an optional implementation thereof.
  • the terminal 600 is caused to implement the functions of the above method.
  • the terminal receives the control information sent by the network side device, where the control information includes the sequence identifier and the channel resource indication, and obtains the sequence signal and the channel resource through the sequence identifier and the preset correspondence.
  • the source indicates that the channel resource is obtained, so that when the terminal sends the sequence signal to the network side device, the terminal explicitly indicates the required channel resource, and the channel resource transmission method is also clarified, thereby ensuring stable and reliable communication quality of the terminal. And provide a satisfying user experience.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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Abstract

本发明实施例公开了一种序列信号发送方法，用于从网络侧设备接收控制信息，以明确终端向网络侧设备发送序列信号所使用的信道资源。本发明实施例方法包括：终端接收网络侧设备发送的控制信息，所述控制信息包括序列标识以及信道资源指示，所述信道资源指示用于指示终端可用的信道资源；所述终端根据所述序列标识确定对应的序列信号；所述终端利用所述信道资源发送所述序列信号。该方法为终端及时有效地配置所需的传输资源，因此也明确可靠地传输方法了信道资源，从而保证了终端获得稳定可靠的通信质量和满意的用户体验，充分地满足未来网络的性能需求。

Description

一种序列信号发送方法及终端
本申请要求于2016年3月15日提交中国专利局、申请号为201610147542.0、发明名称为“一种序列信号发送方法及终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信领域，尤其涉及一种序列信号发送方法。
背景技术
未来的移动通信系统需要支持巨大的移动数据流量增长、海量的设备连接、各类新业务和应用场景，例如，增强型移动宽带、大规模机器类通信、超高可靠与低延迟的通信。因此移动通信系统需要具有更优的性能，例如更大的系统容量、更低的时延、更鲁棒的移动性、更精确的终端定位、更高的网络可靠性以及更优的网络可用性。如IMT-2020(International Mobile Telecommunications)愿景目标就是要能够便捷地实现人与万物的智能互联。
在以用户设备为中心的网络中，可以通过超级小区来实现广域覆盖。超级小区由一个或多个子区组成，每个子区设置一个位置固定的传输节点。每个超级小区对应一个逻辑实体，该逻辑实体负责对该超级小区的所有子区的传输节点进行管理和控制。位于子区的终端能够在下行链路接收该子区的传输节点发送的信号，终端也能够在上行链路向该子区的传输节点发送信号。因此，需要考虑终端如何获得用于发送信号的信道资源。
发明内容
本发明实施例提供了一种序列信号发送方法以及设备，用于以用户设备为中心的网络，指示从网络侧设备发送序列信号所使用的信道资源，从而可以使得终端稳定可靠地传输序列信号。
有鉴于此，本发明实施例第一方面提供了一种序列信号发送方法，该方法包括：
网络侧设备生成控制信息，该控制信息包括信道资源指示以及序列标识， 该信道资源指示用于指示终端使用的信道资源，网络侧设备根据网络的情况生成控制信息，网络的情况可以包括网络中终端的数量、传输时间间隔以及网络资源的被使用情况等。
该网络侧设备通过广播信道或随机接入响应信道向该终端发送控制信息，该信道资源指示可以包含信道资源分配信息，即终端通过特定的通信信道获取控制信息，而信道资源指示包含该终端可用的信道资源，且将该信道资源指示给终端，则终端可以从中获取信道资源。可选地，该控制信息可以携带在系统信息SIB或广播消息MIB中。可选地，该控制信息可以携带在随机接入过程中的随机接入响应消息或冲突解决消息中。
该终端根据该序列标识确定对应的序列信号，终端根据获得的序列标识确定可用的序列信号。具体地，序列信号包含在序列集合中，对于每个序列集合，都有与序列标识相对应了的序列信号，而其对应关系是预置的，因此终端可以通过序列标识与预置的对应关系获取所需的序列信号。
该终端利用该信道资源发送该序列信号，终端获取序列号以及相应的信道资源之后，向通过该信道资源向所在子区发送该序列号，当网络侧设备接收到该序列号时，则可知该终端所在子区。
该方法为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
结合第一方面，第一方面的第一种实施方式，包括：该终端获取传输时间间隔；该终端根据预置对应关系确定与该传输时间间隔对应的序列集合，该预置对应关系指示该序列集合与该传输时间间隔对应，该序列集合包括一个或多个序列信号；该终端根据预置绑定关系确定在该序列集合中与该序列标识对应的该序列信号，该预置绑定关系指示该序列标识与该序列信号对应。
该方法能够动态地根据不同传输时间间隔，自适应、动态地调整和配置信道资源，更有效地保证传输效率，更可靠地实现终端定位和跟踪功能、或者支持其它的功能。在一些可行的实施例中，传输时间间隔仅仅作为其中一种可考虑的业务特性，该方法还可以用于考虑用户数量、业务特性、时序资源等不同场景。
可选的，结合第一方面、第一方面的第一种实施方式，第一方面的第二种实施方式，包括：
网络侧终端在寻呼/单播信道上向终端发送信道资源变更信息，该信道资源变更信息指示更新后的信道资源。由于网络中终端的数量、传输时间间隔以及其他网络情况的变化，网络侧设备会根据相应的情况生成信道资源变更信息，该信道资源变更信息可以用于指示终端接收更新后的信道资源。该终端使用该更新后的信道资源向网络侧设备发送该序列信号。
该方法可以使得即使当网络不稳定，依然可以在终端向网络侧设备发送序列信号时，为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，同时可以使网络侧设备对终端进行稳定的控制，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
本发明实施例第二方面提供了一种终端，包括：
第一接收模块，用于接收网络侧设备发送的控制信息，该控制信息包括序列标识以及信道资源指示，该信道资源指示用于指示终端可用的信道资源；确定模块，用于根据该第一接收模块接收的该序列标识确定对应的序列信号；第一发送模块，用于利用该第一接收模块接收的该信道资源发送该确定模块确定的该序列信号。
该方法为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
本发明实施例第三方面提供了一种网络侧设备，包括：
生成模块，用于生成控制信息，控制信息包括信道资源指示以及序列标识，信道资源指示用于指示终端使用的信道资源；第一发送模块，用于向终端发送生成模块生成的控制信息；第一接收模块，用于接收终端使用第一发送模块发送的控制信息中携带的信道资源发送的序列信号，序列信号由终端根据序列标识确定。
该方法为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
本发明实施例第四方面提供了一种终端，包括：
收发器、存储器、处理器以及总线。收发器、存储器以及处理器通过总线连接。收发器用于接收网络侧设备发送的控制信息，控制信息包括序列标识以及信道资源指示，信道资源指示用于指示终端可用的信道资源。处理器用于根据序列标识确定对应的序列信号。收发器还用于利用信道资源发送序列信号。 存储器用于存储程序、序列标识、序列信号、控制信息以及信道资源指示。
第五方面，本发明实施例提供一种序列信号接收方法，该方法用于以用户设备为中心的网络，具体包括：
网络侧设备生成控制信息，该控制信息包括信道资源指示以及序列标识，其中，该信道资源指示用于指示终端使用的信道资源；该网络侧设备向该终端发送控制信息；该网络侧设备接收该终端使用所述信道资源发送的序列信号，其中，该序列信号由该终端根据该序列标识确定。
在示例性实施例中，本发明实施例还提供了一种非临时性计算机可读存储介质，当所述存储介质中的指令由网络设备的处理器执行时，使得网络设备能够执行上述任一种序列信号发送方法或序列信号接收方法。
应理解，上述第二至五方面涉及到的一些技术特征，例如：序列信号、控制信息、以及这些信号或信息如何传输等，和第一方面涉及到的一些技术特征类似或对应，在此不再进行重复说明。
从以上技术方案可以看出，本发明实施例具有以下优点：
由于终端接收网络侧设备发送的控制信息，该控制信息包含序列标识和信道资源指示，并通过序列标识和预置的对应关系获取序列信号以及通过信道资源指示获得信道资源，以使得终端向网络侧设备发送序列信号时，为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
附图说明
图1为本申请实施例中以用户设备为中心的网络的框架示意图；
图2为本发明实施例中序列信号发送方法的一个实施例示意图；
图3为本发明实施例中随机接入过程的实施例示意图；
图4为本发明实施例中一种终端的一个实施例示意图；
图5为本发明实施例中一种终端的另一个实施例示意图；
图6为本发明实施例中一种终端的另一个实施例示意图；
图7为本发明实施例中一种网络侧设备的一个实施例示意图；
图8为本发明实施例中一种网络侧设备的另一个实施例示意图；
图9为本发明实施例中一种网络侧设备的另一个实施例示意图；
图10为本发明实施例中一种终端的另一个实施例示意图。
具体实施方式
本发明实施例提供了一种序列信号发送方法，用于从网络侧设备接收控制信息，以明确终端向网络侧设备发送序列信号所使用的信道资源。
如图1是一种以用户设备为中心的网络的框架示意图。在该网络中，一个或多个子区(英语：zone)根据需求可以在一定的时间内组成一个超级小区(英语：hypercell)，至少一个子区支持一个或多个终端的无线电波接入，每个超级小区对应一个逻辑实体(英语：logical entity；缩写：LE)，每个子区对应一个传输节点(英语：transmission point；缩写：TP)，超级小区中的LE和所有TP合称网络侧设备，网络侧设备可以为终端分配序列标识。终端可以通过序列标识得到相应的序列信号，可以向网络侧设备发送该序列信号，其中，超级小区中的至少一个子区提供到无线电波通信网络的无线电波接入。
在本发明实施例中，一个子区可以是一个固定的空间，而相对应的传输节点TP可以为基站，即公用移动通信基站，是用于通信的实体建设，可以包括基站收发台(BTS)和基站控制器(BSC)，此处不作限定，而基站收发台和基站控制器为公知常识，在此不再赘述。需要说明的是，当终端进入该子区的区域中时，可以向子区对应的TP发送序列信号或者其他信号，以使得TP和终端之间有通信。
在本发明实施例中，可以根据网络上终端的情况，在一定的时间内，由若干个子区组成的一个超级小区。而该超级小区对应的逻辑实体LE，将对超级小区中的所有TP进行统一管理。当网络情况有改变的时候，组成一个超级小区的子区可以进行相应的调整，即一个LE所管理的TP有相应的调整。在一些可行的实施例中，一个超级小区以及对应的LE可以根据网络中终端的信道资源需求而定。例如在某个时间端，A区域内的终端特别密集，则A区域可以分为好几个超级小区，每个超级小区使用一个LE对在该超级小区内的子区的TP进行管理。B区域的终端特别稀疏，B区域可能会只使用一个超级小区。相比原来蜂窝网络以网络侧设备为中心的做法，使用超级小区的以终端为中心的网络会更灵活地依照终端的情况制定资源的分配策略。需要说明的是，终端 包括手机、平板电脑、个人电脑、智能手机、快递跟踪标识等，此处不作限定。
在超级小区中，每个子区都分配有一个序列集合，一个序列集合包含一个或多个序列信号。在一些可行的实施例中，不同的子区可以重用(英语：reuse)相同的序列集合，也可以使用不同的序列集合，此处不作限定。需要说明的是，在本发明实施中，为了避免子区间的信号干扰，相邻的两个子区使用不同的序列集合，而不相邻的两个子区可以使用相同的序列集合。具体的，当TP接收到一个序列信号时，由于相邻的两个子区之间不会使用相同的序列集合，因此TP可以确定该序列信号是否属于自己配备的序列集合中的一个，因此可以确定该终端是否处于该子区中。需要说明的是，每个序列集合中都有且只有一个序列信号与序列标识对应。另外，TP接收该序列信号不仅用于跟踪定位，还可以用于功率控制，此处不作限定。
在一些可行的实施例中，超级小区内的终端定位功能可以通过终端在上行链路的跟踪信道上发送一种序列信号来辅助实现。超级小区内的终端会获得终端特定的序列标识，然后根据这个终端特定的序列标识与预置对应关系从序列集合中得到一个序列信号，从而确定该终端特定的序列信号，在跟踪信道上发送这个特定的序列信号，以实现终端的定位功能。具体地，当终端使用该信道资源向所在子区的传输节点发送序列信号，该传输节点向逻辑实体发送信息，以指示该终端在自己所在的区域内，以使得逻辑实体获得该终端的位置。
在超级小区中，由于终端的无线传输环境会随时发生变化，网络系统负荷也会时刻动态地变化，而该方法在跟踪过程中，如果没有及时有效地为终端配置所需的信道资源，也就没有明确的传输方法来发送信道资源的配置信息，如此以来难以保证用户获得稳定可靠的通信质量和提供满意的业务体验。
本发明实施例提供了一种终端获取信道资源的渠道和方法，终端接收网络侧设备发送的控制信息，该控制信息包含序列标识和信道资源指示，并通过序列标识和预置的对应关系获取序列信号以及通过信道资源指示获得信道资源，以使得终端可以向网络侧设备发送序列信号。为便于理解，下面对本发明实施例中的具体流程进行描述。具体请参阅图2，本发明实施例中序列信号发送一个实施例包括：
201、网络侧设备生成控制信息。
在本发明实施例中，网络侧设备根据网络的情况生成控制信息，网络的情况可以包括网络中终端的数量、传输时间间隔、网络资源的被使用情况以及网络中各个终端所处的场景，如静止终端、慢速移动终端、高速移动终端等。
在本发明实施例中，该控制信息包括信道资源指示以及序列标识，该信道资源指示用于指示终端可用的信道资源。在一些可行的实施例中，序列标识可以为C-RNTI，也可以为U-RNTI，也可以为终端具备的IMEI码(International Mobile Equipment Identity)，也可以是序列集合中的序列信号的生成参数，此处不作限定。网络侧设备对于序列标识的获取为公知常识，在此不再赘述。
202、网络侧设备通过广播信道/随机接入响应信道向终端发送控制信息。
在一些可行的实施例中，该信道资源指示可以包含信道资源分配信息，即终端通过特定的通信信道获取控制信息，而信道资源指示包含该终端可用的信道资源，且将该信道资源指示给终端，则终端可以从中获取信道资源。此处的信道资源可以包括信道位置、大小、周期等，此处不作限定。
在另一些可行的实施例中，信道资源指示可以不携带信道资源，而是用于指示终端从特有的信道上获取信道资源。在一些可行的实施例中，网络系统在协议中预定义了多个不同的信道资源，当终端接收到控制信息时，即从协议中根据信道资源指示所指示的信道资源分配信息中获取信道资源。只要控制信息能指示终端获取信道资源，此处不做限定。
以下分别对不同的通信信道进行说明。在一些可行的实施例中，网络侧设备可以将控制信息通过广播信道发送至终端，以使得在该超级小区中的所有终端都接收到该广播信息以及控制信息，并从中获取信道资源。该广播信道可以包括BCCH、FCCH或者SCH。它们都是单向的下行信道，也就是说从网络侧设备到终端。BCCH主要用于发送系统消息，FCCH主要是校正频率，SCH是同步信道。它们都是采用单点对多点的方式传送的。需要说明的是，该控制信息可以包含在主信息块MIB(Master Information Block)或者系统信息块SIB(System Information Blocks)中，其中MIB和SIB为公知常识，在此不再赘述。
在另一些可行的实施例中，网络侧设备可以将控制信息通过随机接入响应信道发送至终端，以使得在该超级小区中的所有终端都接收到控制信息，并从中获取信道资源。
具体的，请参考图3，为随机接入过程：
步骤1：终端随机选择一个前导序列，在随机接入信道(英语：Random Access Channel；简称：RACH)上向基站发送。在一些可行的实施例中，随机接入过程可以是基于竞争的随机接入过程中，终端随机选择一个前导序列，在随机接入信道上发送。在本发明实施例中，通过随机接入过程，可以实现赋予终端一个序列标识，也可以实现配给终端上行链路的信道资源。需要说明的是，在另一些可行的实施例中，随机接入过程也是为基于非竞争的，则网络侧设备会为终端分配一个前导序列。
步骤2：基站在检测到前导序列，向终端发送随机接入响应，随机接入响应可以包含控制信息，该控制信息包括信道资源指示和序列标识。
步骤3：终端在收到随机接入响应后，根据其指示，在分配的信道资源上发送上行消息。在本发明实施例中，无论是否基于竞争的随机接入过程，网络侧设备在检测到有前导序列发送后，下行发送随机接入响应，在本发明实施例中，该随机接入响应即为控制信息。控制信息中可以包含该前导序列的、信道资源指示以及序列标识。
步骤4：基站接收终端的上行消息，并向接入成功的终端返回冲突解决消息。在一些可行的实施例中，控制信息也可以包含在冲突解决消息中，此处不作限定。
203、终端根据序列标识确定对应的序列信号。
本发明实施例中，终端接收控制信息之后，首先会获取序列标识。在一些可行的实施例中，控制信息还可以携带终端的MAC地址或者IP地址，或者其他指定方式，此处不作限定。终端根据获得的序列标识确定可用的序列信号。具体地，序列信号包含在序列集合中，而序列集合可以根据TTI确定。不同的TTI对应不同的序列集合。而对于每个序列集合中，都有与序列标识相对应了的序列信号，而其对应关系是预置的，因此终端可以通过序列标识与预置的对应关系获取所需的序列信号。
在一些可行的实施例中，TTI的大小可以分别是0.5ms、1ms、10ms。当TTI大小是0.5ms时，对应地使用如下的一个序列集合，其中的序列信号就是一个长度为4个符号的walsh码W4：
Figure PCTCN2016108374-appb-000001
当TTI大小是1ms时，对应地使用如下的一个序列集合，其中的序列信号就是一个长度为8个符号的walsh码W8：
Figure PCTCN2016108374-appb-000002
当TTI大小是10ms时，对应地使用一个序列集合，其中的一个序列信号是由上述的一个长度为4个符号的walsh码重复20次构成[W4,W4,....,W4],或者由上述的一个长度为8个符号的walsh码重复10次构成[W8,W8,....,W8]。
具体地，不同的TTI对应不同的序列集合，因此可以根据终端使用的TTI确定序列集合。对于每个序列集合中，都有与序列标识相对应了的序列信号，而其对应关系是预置的，因此终端可以通过序列标识与预置的对应关系在确定出的序列集合中获取所需的序列信号。
需要说明的是，TTI仅是网络中的一个参数，是影响序列号的其中一种因素，除了TTI，还可以有时序资源等因素，本实施例仅以TTI作为例子进行说明。
204、终端利用信道资源发送序列信号。
在一些可行的实施例中，序列信号可以用作网络侧设备对终端的定位跟踪。终端获取序列号以及相应的信道资源之后，向通过该信道资源向所在子区发送该序列号，当网络侧设备接收到该序列号时，则可知该终端所在子区。具体地，终端使用该信道资源向所在子区的传输节点发送该序列信号，进而该传 输节点向逻辑实体发送信息，以指示该终端在自己所在的区域内，以使得逻辑实体获得该终端的位置。当该网络的子区越密集，则此种方法定位的精度就越高。
在另一些可行的实施例中，一旦终端与网络侧设备实现了通信，网络侧设备可以对该终端实现发送序列信号的控制。具体的，网络侧设备可以在下行链路上下发一个指令，该指令可以指示终端在信道资源上发送序列信号的过程，该过程包括开始、暂停、继续、重配、终止发送，此处不作限定。终端接收指示后可以执行该指令。
在另一些可行的实施例中，终端通过向网络侧设备发送序列信号，使得网络侧设备通过信号的强弱判断终端的发射功率的大小，从而向该终端发送信息以控制该终端的发射功率。
以下步骤205至步骤207作为本发明中可选的步骤进行说明：
205、网络侧设备生成信道资源变更信息。
在一些可行的实施例中，由于网络中终端的数量、传输时间间隔以及其他网络情况的变化，网络侧设备会根据相应的情况生成信道资源变更信息，该信道资源变更信息可以携带或者通知更新后的信道资源，以使得终端获取之后可以使用该信道资源发送序列信号。在另一些可行的实施例中，该信道资源变更信息不携带信道资源，可以用于指示终端接收信道资源分配信息的信道和时间，该信道可以是广播信道，也可以是专门针对个别终端的信道，此处不作限定。
在一些可行的实施例中，网络侧设备可以终端与网络侧设备之间建立一个单独的数据通道，发出每个数据包只能传送给一个该终端，网络侧设备可以选择使用IP单播协议，将网络侧设备根据其目标地址选择传输路径，将信道资源变更信息作为IP单播数据传送到其指定的终端。
在另一些可行的实施例中，网络侧设备可以通过寻呼的方式向终端发送信道资源变更信息。需要说明的是，寻呼可以包括网络侧发起的寻呼和终端侧发起的寻呼。网络侧设备发起的寻呼用于建立一条信令连接，网络侧设备发起的寻呼也可以分为协作寻呼和非协作寻呼。只要是可以实现网络侧通过寻呼与终端实现通信的，此处不作限定。
需要说明的是，根据网络场景环境的不同，以及不同的时间段网络的变化情况，终端会在不同时间点对应不同的序列集合，传输时间间隔TTI是在无线通信系统中表现网络场景环境不同的一个重要参数。在一些可行的实施例中，每个TTI对应着一个序列集合，因此终端可以根据TTI以及预置的对应关系确定序列集合。
206、终端接收信道资源变更信息。
在本发明实施例中，终端接收信道资源变更信息后，可以从中获取可用的更新后的信道资源。在一些可行的实施例中，信道资源变更信息可以包括更新后的信道资源，终端接收到信道资源变更信息之后直接使用该信道资源。在另一些可行的实施例中，该信道资源变更信息不包含信道资源分配信息，而是指示终端在广播信道上或者单播信道上获取信道资源分配信息，此处不作限定。
207、终端利用信道资源发送序列信号。
本实施例中步骤207与步骤203相同，此处不赘述。
由于终端接收网络侧设备发送的控制信息，该控制信息包含序列标识和信道资源指示，并通过序列标识和预置的对应关系获取序列信号以及通过信道资源指示获得信道资源，以使得终端向网络侧设备发送序列信号时，因此为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，从而保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
上面对本申请实施例中发送序列信号的方法进行描述，下面对本申请实施例中的终端进行描述。
请参考图4，本申请实施例还提供一种终端400，该终端包括：
第一接收模块401，用于接收网络侧设备发送的控制信息，该控制信息包括序列标识以及信道资源指示，该信道资源指示用于指示终端可用的信道资源。
确定模块402，用于根据该第一接收模块401接收的该序列标识确定对应的序列信号。
第一发送模块403，用于利用该第一接收模块401接收的该信道资源发送该确定模块402确定的该序列信号。
具体的，请参考图5，确定模块402包括：
获取子模块4021，用于获取传输时间间隔。
第一确定子模块4022，用于根据预置对应关系确定与该获取子模块4021获取的该传输时间间隔对应的序列集合，该预置对应关系指示该序列集合与该传输时间间隔对应，该序列集合包括一个或多个序列信号。
第二确定子模块4023，用于根据预置绑定关系确定在该第一确定子模块4022确定的该序列集合中与该第一接收模块401接收的该序列标识对应的该序列信号，该预置绑定关系指示该序列标识与该序列信号对应。
该第一接收模块401包括：
第一接收子模块4011，用于在广播信道上接收该网络侧设备发送的该控制信息，该控制信息携带在系统信息SIB或广播消息MIB中。
该终端400还可以包括：
第二接收模块404，用于接收信道资源变更信息，该信道资源变更信息指示更新后的信道资源；第二发送模块405，用于使用该第二接收模块404接收的该更新后的信道资源向网络侧设备发送该序列信号。
请参考图6，该第一接收模块401可以包括：
第二接收子模块4012，用于在随机接入响应信道上接收所述网络侧设备发送的所述控制信息。
由于终端接收网络侧设备发送的控制信息，该控制信息包含序列标识和信道资源指示，并通过序列标识和预置的对应关系获取序列信号以及通过信道资源指示获得信道资源，以使得终端向网络侧设备发送序列信号时，有为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
上面对本申请实施例中终端进行描述，下面对本申请实施例中的定网络侧设备进行描述。
请参考图7，本申请实施例还提供一种网络侧设备500，该网络侧设备包括：
生成模块501，用于生成控制信息，控制信息包括信道资源指示以及序列标识，信道资源指示用于指示终端400使用的信道资源。
第一发送模块502，用于向终端400发送生成模块501生成的控制信息。
第一接收模块503，用于接收终端400使用第一发送模块502发送的控制信息中携带的信道资源发送的序列信号，序列信号由终端400根据序列标识确定。
请参考图8，具体的，第一发送模块503包括：
第一发送子模块5031，用于在广播信道上向终端400发送控制信息，控制信息携带在系统信息SIB或广播消息MIB中。
网络侧设备500还包括：
第二发送模块504，用于向终端400发送信道资源变更信息，信道资源变更信息指示更新后的信道资源。
第二接收模块505，用于接收终端400第二发送模块504发送的使用更新后的信道资源发送的序列信号。
请参考图9，第一发送模块503还可以包括：
第二发送子模块5032，用于在随机接入响应信道上向终端400发送控制信息。
由于网络侧设备向终端发送控制信息，该控制信息包含序列标识和信道资源指示，并通过序列标识和预置的对应关系获取序列信号以及通过信道资源指示获得信道资源，以使得网络侧设备接收终端发送的序列信号时，有为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
上面从模块化功能实体的角度对本申请实施例中的定位设备进行描述，下面从硬件处理的角度对本申请实施例中的终端进行描述，请参阅图10，本申请实施例提供了一种终端600，用于实现用于从网络侧设备接收控制信息，以明确终端向网络侧设备发送序列信号所使用的信道资源。
收发器601、存储器602、处理器603以及总线604。
收发器601、存储器602以及处理器603通过总线604连接。
收发器601用于接收网络侧设备发送的控制信息，该控制信息包括序列标识以及信道资源指示，该信道资源指示用于指示终端可用的信道资源。
收发器601可以包括处理器603和标准通信子系统之间的通信接口(英语：communication interface)。
收发器601还可以进一步包括EIA-RS-232C标准下的通信接口，即数据终端设备(英语：Data Terminal Equipment，缩写：DTE)和数据通讯设备(英语：Data Circuit-terminating Equipment，缩写：DCE)之间串行二进制数据交换接口技术标准的通信接口，也可以包括RS-485协议下的通信接口，此处不作限定。
处理器603用于根据该序列标识确定对应的序列信号。
处理器603可以是中央处理器(英语：central processing unit，缩写：CPU)，网络处理器(英语：network processor，缩写：NP)或者CPU和NP的组合。
处理器603还可以进一步包括硬件芯片。上述硬件芯片可以是专用集成电路(英语：application-specific integrated circuit，缩写：ASIC)，可编程逻辑器件(英语：programmable logic device，缩写：PLD)或其组合。上述PLD可以是复杂可编程逻辑器件(英语：complex programmable logic device，缩写：CPLD)，现场可编程逻辑门阵列(英语：field-programmable gate array，缩写：FPGA)，通用阵列逻辑(英语：generic array logic,缩写：GAL)或其任意组合。
收发器601还用于利用信道资源发送序列信号。
存储器602用于存储程序、序列标识、序列信号、预置对应关系、控制信息以及信道资源指示。
存储器602可以包括易失性存储器(英语：volatile memory)，例如随机存取存储器(英语：random-access memory，缩写：RAM)；存储器602也可以包括非易失性存储器(英语：non-volatile memory)，例如快闪存储器(英语：flash memory)，硬盘(英语：hard disk drive，缩写：HDD)或固态硬盘(英语：solid-state drive，缩写：SSD)；存储器602还可以包括上述种类的存储器的组合，此处不作限定。
可选地，存储器602还可以用于存储程序指令，处理器603可以调用该存储器602中存储的程序指令，执行图2所示实施例中的一个或多个步骤，或其中可选的实施方式，使得该终端600实现上述方法的功能。
由于终端接收网络侧设备发送的控制信息，该控制信息包含序列标识和信道资源指示，并通过序列标识和预置的对应关系获取序列信号以及通过信道资 源指示获得信道资源，以使得终端向网络侧设备发送序列信号时，有为终端明确地指示了所需的信道资源，也明确了信道资源的传送方法，因此保证了终端获得稳定可靠的通信质量和提供满意的用户体验。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以 存储程序代码的介质。
以上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (18)

  1. 一种序列信号发送方法，其特征在于，所述方法用于以用户设备为中心的网络，所述方法包括：
    终端接收网络侧设备发送的控制信息，所述控制信息包括序列标识以及信道资源指示，所述信道资源指示用于指示终端可用的信道资源；
    所述终端根据所述序列标识确定对应的序列信号；
    所述终端利用所述信道资源发送所述序列信号。
  2. 根据权利要求1所述方法，其特征在于，所述终端根据所述序列标识确定对应的序列信号包括：
    所述终端获取传输时间间隔；
    所述终端根据预置对应关系确定与所述传输时间间隔对应的序列集合，所述预置对应关系指示所述序列集合与所述传输时间间隔对应，所述序列集合包括一个或多个序列信号；
    所述终端根据预置绑定关系确定在所述序列集合中与所述序列标识对应的所述序列信号，所述预置绑定关系指示所述序列标识与所述序列信号对应。
  3. 根据权利要求1所述方法，其特征在于，所述终端接收网络侧设备发送的控制信息包括：
    所述终端在广播信道上接收所述网络侧设备发送的所述控制信息，所述控制信息携带在系统信息SIB或广播消息MIB中。
  4. 根据权利要求1所述方法，其特征在于，所述终端接收网络侧设备发送的控制信息包括：
    所述终端在随机接入响应信道上接收所述网络侧设备发送的所述控制信息。
  5. 根据权利要求1-4中任一项所述方法，其特征在于，所述方法还包括：
    所述终端接收信道资源变更信息，所述信道资源变更信息指示更新后的信道资源；
    所述终端使用所述更新后的信道资源向网络侧设备发送所述序列信号。
  6. 一种序列信号接收方法，其特征在于，所述方法用于以用户设备为中心的网络，所述方法包括：
    网络侧设备生成控制信息，所述控制信息包括信道资源指示以及序列标 识，所述信道资源指示用于指示终端使用的信道资源；
    所述网络侧设备向所述终端发送控制信息；
    所述网络侧设备接收所述终端使用所述信道资源发送的序列信号，所述序列信号由所述终端根据所述序列标识确定。
  7. 根据权利要求6所述方法，其特征在于，所述网络侧设备向所述终端发送控制信息包括：
    所述网络侧设备在广播信道上向所述终端发送所述控制信息，所述控制信息携带在系统信息SIB或广播消息MIB中。
  8. 根据权利要求6所述方法，其特征在于，所述网络侧设备向所述终端发送控制信息包括：
    所述网络侧设备在随机接入响应信道上向所述终端发送所述控制信息。
  9. 根据权利要求6-8中任一项所述方法，其特征在于，所述方法还包括：
    所述网络侧设备向所述终端发送信道资源变更信息，所述信道资源变更信息指示更新后的信道资源；
    所述网络侧设备接收所述终端使用所述更新后的信道资源发送的所述序列信号。
  10. 一种终端，其特征在于，所述终端用于以用户设备为中心的网络，所述终端包括：
    第一接收模块，用于接收网络侧设备发送的控制信息，所述控制信息包括序列标识以及信道资源指示，所述信道资源指示用于指示终端可用的信道资源；
    确定模块，用于根据所述第一接收模块接收的所述序列标识确定对应的序列信号；
    第一发送模块，用于利用所述第一接收模块接收的所述信道资源发送所述确定模块确定的所述序列信号。
  11. 根据权利要求10所述终端，其特征在于，所述确定模块包括：
    获取子模块，用于获取传输时间间隔；
    第一确定子模块，用于根据预置对应关系确定与所述获取子模块获取的所述传输时间间隔对应的序列集合，所述预置对应关系指示所述序列集合与所述传输时间间隔对应，所述序列集合包括一个或多个序列信号；
    第二确定子模块，用于根据预置绑定关系确定在所述第一确定子模块确定的所述序列集合中与所述第一接收模块接收的所述序列标识对应的所述序列信号，所述预置绑定关系指示所述序列标识与所述序列信号对应。
  12. 根据权利要求10所述终端，其特征在于，所述第一接收模块包括：
    第一接收子模块，用于在广播信道上接收所述网络侧设备发送的所述控制信息，所述控制信息携带在系统信息SIB或广播消息MIB中。
  13. 根据权利要求10所述终端，其特征在于，所述第一接收模块包括：
    第二接收子模块，用于在随机接入响应信道上接收所述网络侧设备发送的所述控制信息。
  14. 根据权利要求10-13中任一项所述终端，其特征在于，所述终端还包括：
    第二接收模块，用于接收信道资源变更信息，所述信道资源变更信息指示更新后的信道资源；
    第二发送模块，用于使用所述第二接收模块接收的所述更新后的信道资源向网络侧设备发送所述序列信号。
  15. 一种接收序列信号的网络侧设备，其特征在于，所述网络侧设备用于以用户设备为中心的网络，所述网络侧设备包括：
    生成模块，用于生成控制信息，所述控制信息包括信道资源指示以及序列标识，所述信道资源指示用于指示终端使用的信道资源；
    第一发送模块，用于向所述终端发送所述生成模块生成的控制信息；
    第一接收模块，用于接收所述终端使用所述第一发送模块发送的所述控制信息中携带的所述信道资源发送的序列信号，所述序列信号由所述终端根据所述序列标识确定。
  16. 根据权利要求15所述网络侧设备，其特征在于，所述第一发送模块包括：
    第一发送子模块，用于在广播信道上向所述终端发送所述控制信息，所述控制信息携带在系统信息SIB或广播消息MIB中。
  17. 根据权利要求15所述网络侧设备，其特征在于，所述第一发送模块包括：
    第二发送子模块，用于在随机接入响应信道上向所述终端发送所述控制信 息。
  18. 根据权利要求15-17中任一项所述网络侧设备，其特征在于，所述网络侧设备还包括：
    第二发送模块，用于向所述终端发送信道资源变更信息，所述信道资源变更信息指示更新后的信道资源；
    第二接收模块，用于接收所述终端所述第二发送模块发送的使用所述更新后的信道资源发送的所述序列信号。
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