WO2015168880A1 - Procédé, appareil et dispositif de traitement de retards de propagation - Google Patents

Procédé, appareil et dispositif de traitement de retards de propagation Download PDF

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Publication number
WO2015168880A1
WO2015168880A1 PCT/CN2014/076947 CN2014076947W WO2015168880A1 WO 2015168880 A1 WO2015168880 A1 WO 2015168880A1 CN 2014076947 W CN2014076947 W CN 2014076947W WO 2015168880 A1 WO2015168880 A1 WO 2015168880A1
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WO
WIPO (PCT)
Prior art keywords
transmission delay
value
integer part
reported
reported value
Prior art date
Application number
PCT/CN2014/076947
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English (en)
Chinese (zh)
Inventor
贺恩华
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 PCT/CN2014/076947 priority Critical patent/WO2015168880A1/fr
Priority to CN201480013930.9A priority patent/CN106105049B/zh
Publication of WO2015168880A1 publication Critical patent/WO2015168880A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the present invention relates to communication technologies, and in particular, to a transmission delay processing method, apparatus, and device thereof. Background technique
  • the Airborne One-Way Transport Propagation Delay is determined by the physics in the base station.
  • the random access channel Physical Random Access Channel, PRACH for short
  • the base station reports the transmission delay to the radio network controller in the form of a frame protocol (FP) packet (Radio Network Controller, referred to as RNC l in the 3rd Generation Partnership Project (3GPP) 25.435 and
  • FP frame protocol
  • RNC l Radio Network Controller
  • 3GPP 3rd Generation Partnership Project 25.435
  • the meaning of the TP, the bearer mode and the value range are defined in the 25.433 protocol.
  • the propagation delay is expressed by the Propagation Delay.
  • the protocol field is 8 bits and the value range is 0.
  • the quantization precision is 3 chips (chip), the actual range is 0 ⁇ 765 chips; and the Extended Propagation Delay field is added in the Release 7 version, which expands the range of TP, the protocol
  • the field is 10 bits, the value range is 255 ⁇ 1023, the quantization precision is 3 chips, and the actual range is 765 ⁇ 3096 chips.
  • the distance corresponding to 1 chip is 78.125 meters. According to the transmission delay, the base station and the base station can be obtained. The distance between the user equipments.
  • the RNC can send the TP value reported by the PRACH to the base station for configuring the corresponding dedicated channel.
  • the transmission delay or extended transmission delay reported by the station and the user measurement report count the signal quality distribution of different transmission delays, and analyze the network coverage for daily network optimization and maintenance.
  • the hotspot urban area The coverage of remote suburbs and micro-areas is completely different.
  • the stations are densely distributed, and most of the user equipment in the cell is distributed within 2 km from the base station (TP is less than 30 chips) and is densely distributed.
  • TP is less than 30 chips
  • the quantization precision of the TP in the FP packet is too coarse, resulting in low transmission delay accuracy.
  • an embodiment of the present invention provides a transmission delay processing method, including:
  • the transmission delay value is a sum of an integer part of the transmission delay value and a transmission delay value offset part, wherein the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, The quantization precision corresponding to the offset portion of the transmission delay value is less than 3 chips;
  • the delay value offset portion is converted into a transmission delay offset portion reported value
  • the reporting, by the wireless network controller, the transmission delay integer part reporting value and the transmission delay offset part reporting value includes:
  • the reporting, by the radio network controller, the transmission delay integer part reporting value and the transmission delay offset part reporting value further includes:
  • the transmission delay integer part reporting value and the transmission delay offset part reporting value are written into the frame protocol packet, and reported to the radio network controller.
  • the frame protocol packet wherein the frame protocol packet includes an uplink dedicated channel frame protocol packet or an enhanced dedicated channel frame protocol packet.
  • the transmitting delay integer part is reported and transmitted
  • the delay offset part reported value write frame protocol package includes:
  • the transmission delay report value is determined as the reporting bit of the transmission delay; if the integer part of the transmission delay value is greater than 255x3 code a slice, the transmission delay report value is determined as a report bit of the extended transmission delay, and the frame protocol packet is written;
  • the acquiring the transmission delay value includes : searching for an access preamble sent by the user equipment by using the first search window;
  • the method further includes:
  • the delayed offset part reported value includes:
  • Radio link setup request message includes the transmission delay integer part report value and the transmission delay offset part report value.
  • the transmission delay value offset is 1/4 chip.
  • an embodiment of the present invention provides a transmission delay processing method, including: Receiving, by the base station, the transmission delay integer part reporting value and the transmission delay offset part reporting value, wherein the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, and the quantization precision corresponding to the transmission delay value offset part is smaller than 3 chips;
  • Radio link setup request message includes the transmission delay integer part reporting value and the transmission delay offset part reporting value.
  • the transmission delay integer part reporting value and the transmission delay offset part reporting value reported by the receiving base station include:
  • the transmission delay integer part reporting value and the transmission delay offset part reporting value reported by the receiving base station further include:
  • the method further includes:
  • the method further includes:
  • the embodiment of the present invention provides a base station side transmission delay processing apparatus, including: an obtaining module, configured to acquire a transmission delay value, where the transmission delay value is an integer part of a transmission delay value and a transmission delay value. And a quantization precision corresponding to the integer part of the transmission delay value is 3 chips, and the quantization precision corresponding to the offset part of the transmission delay value is less than 3 chips;
  • a processing module configured to convert the integer part of the transmission delay value into a value of the transmission delay integer part according to the quantization precision of the integer part of the transmission delay value and the offset part of the transmission delay value, respectively
  • the transmission delay value offset portion is converted into a transmission delay offset portion reported value
  • a sending module configured to report, to the radio network controller, the transmission delay integer part reporting value and the transmission delay offset part reporting value.
  • the sending module includes:
  • a first writing unit configured to write the transmission delay integer part reporting value and the transmission delay offset partial reporting value into a frame protocol packet
  • the first reporting unit is configured to report the frame protocol packet to the radio network controller.
  • the sending module further includes:
  • a second writing unit configured to: when the user equipment migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state, write the transmission delay integer part reporting value and the transmission delay offset part reporting value into the frame protocol packet,
  • the frame protocol packet includes an uplink dedicated channel frame protocol packet or an enhanced dedicated channel frame protocol packet;
  • a second reporting unit configured to report the frame protocol packet to the radio network controller.
  • the second possible implementation manner of the second to third aspect, the third possible implementation manner of the third aspect, the first writing unit or The second writing unit is specifically configured to:
  • the transmission delay report value is determined as the reporting bit of the transmission delay; if the integer part of the transmission delay value is greater than 255x3 chips, The transmission delay report value is determined as the reporting bit of the extended transmission delay, and is written into the frame protocol packet;
  • the acquiring module includes:
  • a transmission delay value determining unit configured to use the window length of the first search window and the searched access preamble The location to obtain the transmission delay value of the physical random access channel.
  • the device further includes: a receiving module, configured to receive, by the radio network controller, the transmission delay integer part reporting value and the transmission delay offset part reporting value;
  • a search window determining module configured to determine, according to the transmission delay integer part reporting value and the transmission delay offset part reporting value, a starting position of a second search window for searching an uplink dedicated physical channel multipath;
  • a channel determining module configured to search for a multipath of an uplink dedicated physical channel in the second search window, and determine an uplink dedicated physical channel according to the search result; or search for an uplink enhanced dedicated physical channel in the second search window. Multipath, and based on the search results, determine the uplink enhanced dedicated physical channel.
  • the receiving module includes:
  • a message receiving unit configured to receive a radio link setup request message sent by the radio network controller, where the radio link setup request message includes the transmit delay integer part report value and the transmit delay offset part report value .
  • the transmission delay offset part is 1/4 chip.
  • an embodiment of the present invention provides a radio access network side transmission delay processing apparatus, including:
  • the reporting value receiving module is configured to receive the transmission delay integer part reporting value and the transmission delay offset part reporting value reported by the base station, where the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, and the transmission delay value is biased The quantization precision corresponding to the portion is less than 3 chips;
  • a sending module configured to send a radio link setup request message to the base station, where the radio link setup request message includes the transmission delay integer part reporting value and the transmission delay value offset part reporting value.
  • the reporting value receiving module is configured to receive a frame protocol packet sent by the base station, and parse the transmission time from the frame protocol packet The extended integer part reported value and the transmission delay offset part are reported.
  • the reporting value receiving module is further configured to: when the user equipment migrates from a CELL_PCH state or a CELL_FACH state to a CELL_DCH state, receive a frame sent by the base station Protocol packet, wherein the frame protocol packet And including an uplink dedicated channel frame protocol packet or an enhanced dedicated channel frame protocol packet, and parsing the transmission delay integer part reporting value and the transmission delay offset partial reporting value from the frame protocol packet.
  • the device further includes:
  • the measurement report obtaining module is configured to obtain measurement reports and call information of the user equipment.
  • the device further includes:
  • a determining module configured to determine network coverage information and traffic information according to the transmission delay integer part reporting value and the transmission delay offset partial reporting value, the measurement report of the user equipment, and the call information;
  • an optimization module configured to perform network planning or optimization according to the network coverage information and the traffic information.
  • an embodiment of the present invention provides a base station, including: a processor and a memory, where the memory stores an execution instruction, when the base station is running, the processor communicates with the memory, the processor Executing the execution instruction causes the base station to perform any of the first possible implementations of the first aspect to the first aspect of the first aspect, such as the first aspect.
  • an embodiment of the present invention provides a radio network controller, including a processor and a memory, where the memory stores execution instructions, and when the radio network controller is running, the processor and the memory communicate with each other.
  • the processor executes the execution instruction to cause the wireless network controller to perform any of the fourth possible implementations of the first to second aspects of the second aspect, the second aspect.
  • an embodiment of the present invention provides a computer readable medium, including computer execution instructions, for causing a base station to perform the first aspect, the first aspect of the first aspect, and the seventh aspect of the first aspect Any possible implementation.
  • an embodiment of the present invention provides a computer readable medium, including computer execution instructions, for causing a wireless network controller to perform the second aspect, the first to second aspects of the second aspect Any of the fourth possible implementations.
  • the transmission delay processing method and apparatus and device thereof are provided by the embodiment of the present invention.
  • the method obtains a transmission delay value, where the transmission delay value is a sum of an integer part of the transmission delay value and a bias part of the transmission delay value, according to
  • the quantization precision of the integer part of the transmission delay value and the quantization precision of the offset part of the transmission delay value Degree respectively, transforms the integer part of the transmission delay value and the offset part of the transmission delay value into the reporting value of the transmission delay integer part and the transmission delay offset part, wherein the quantization precision of the integer part of the transmission delay value is 3 chips.
  • the quantization precision of the offset portion of the transmission delay value is less than 3 chips, so that the quantization precision of the offset portion of the transmission delay value is more accurately refined, so that the accuracy of reporting the transmission delay is higher.
  • the device is implemented, and the device can be implemented by software and/or hardware.
  • the device can be integrated in the base station.
  • the method in this embodiment may include:
  • Step 101 Obtain a transmission delay value, where the transmission delay value is a sum of an integer part of the transmission delay value and a bias part of the transmission delay value, where the quantization precision corresponding to the integer part of the transmission delay value is 3 codes.
  • the slice, the transmission delay value offset portion corresponding to the quantization precision is less than 3 chips.
  • the transmission delay value is the sum of the integer part of the transmission delay value and the offset part of the transmission delay value, wherein the integer part of the transmission delay value is a multiple of the quantization precision.
  • the quantization precision of the integer part of the transmission delay value is 3 chips, and the quantization precision of the offset portion of the transmission delay value is less than 3 chips.
  • the quantization precision can be selected from 1 chip, 1/2 chip, and 1/4 according to actual needs. Chips, 1/8 chips, etc., wherein the higher the quantization precision, the more the number of bits occupied by the required value of the transmission delay offset portion.
  • the appropriate quantization precision can be selected according to the highest precision that can be measured by the product device of the base station and the distribution of the user equipment. For example, when the user equipment is densely distributed, the measurement accuracy of the base station can reach 1/8. Above the chip, 1/8 chips are selected. When the user equipment is generally densely distributed, 1/2 or 1 chip is selected.
  • the embodiment is not particularly limited herein.
  • Step 102 Convert the integer part of the transmission delay value into a value of the transmission delay integer part according to the quantization precision of the integer part of the transmission delay value and the quantization precision of the offset part of the transmission delay value, respectively.
  • the transmission delay value offset portion is converted into a transmission delay offset portion reported value.
  • the base station After obtaining the transmission delay value, the base station converts the integer part of the transmission delay value into the integer part of the transmission delay integer according to the quantization precision of the integer part of the transmission delay value and the quantization precision of the offset part of the transmission delay value, respectively.
  • the transmission delay value offset portion is converted into a transmission delay offset portion reported value.
  • the base station may adopt a downward rounding manner according to the quantization precision, and convert the obtained transmission delay value into a transmission delay report value, where the transmission delay report value includes the transmission delay integer part report value. And the transmission delay offset part reports the value.
  • the quantization precision of the integer part of the transmission delay value is 3 chips
  • the quantization precision of the offset part of the transmission delay value is 1/4 chip
  • the transmission delay value obtained by the base station is 4.5 chips
  • the transmission is performed.
  • the integer part of the delay value is 3 chips
  • the offset part of the transmission delay value is 1.5 chips.
  • the 3 chips of the integer part of the transmission delay value are converted into the integer part of the transmission delay according to the quantization precision of the integer part of the transmission delay value.
  • the reported value is 1, and the transmission delay value offset portion is 1.5 chips converted to the transmission delay offset portion according to the quantization precision of the transmission delay value offset portion.
  • the RNC obtains a transmission delay of 4.5 chips, that is, the transmission delay integer part report value and the transmission delay offset part report value are respectively multiplied by the corresponding quantization precision.
  • the transmission delay is converted by the quantization precision 3 chips of the integer part of the transmission delay value in the prior art, the transmission delay received by the RNC is reported as 1, and it can be seen from the above that the transmission delay value is The finer the quantization precision corresponding to the offset part, the more accurate the obtained transmission delay is reported.
  • Step 103 Report the transmission delay integer part reporting value and the transmission delay offset part reporting value to the radio network controller.
  • the base station converts the integer part of the transmission delay value and the offset part of the transmission delay value into the transmission delay integer part reporting value and the transmission delay offset part reporting part respectively.
  • the value of the transmission delay integer part report value and the transmission delay offset part report value are reported to the RNC in the FP packet format, and the base station acquires the transmission delay integer part sent by the RNC when the dedicated channel is established or the dedicated channel is enhanced.
  • the value and the transmission delay offset part report the value, and configure the dedicated channel or the enhanced dedicated channel according to the transmission delay integer part report value and the transmission delay offset part report value.
  • the dedicated channel that is, the Dedicated Physical Channel (DPCH)
  • the dedicated channel is an Enhanced Dedicated Physical Channel (EDPCH), which includes an Enhanced Dedicated Physical Control Channel (EDPCCH), an Enhanced Dedicated Physical Data Channel (EDPDCH).
  • EDPCH Enhanced Dedicated Physical Channel
  • EDPDCH Enhanced Dedicated Physical Data Channel
  • the transmission delay processing method and apparatus and device thereof are provided by the embodiment of the present invention.
  • the method obtains a transmission delay value, where the transmission delay value is a sum of an integer part of the transmission delay value and a bias part of the transmission delay value, according to
  • the quantization precision of the integer part of the transmission delay value and the quantization precision of the offset part of the transmission delay value respectively convert the integer part of the transmission delay value and the offset part of the transmission delay value into the transmission delay integer part report value and transmission delay
  • the offset part reports the value, wherein the quantization precision of the transmission delay integer part is 3 chips, and the quantization precision of the offset part of the transmission delay value is less than 3 chips, thereby making the quantization precision of the offset part of the transmission delay value more Accurate refinement makes the transmission delay report higher accuracy.
  • the base station writes the transmission delay integer part report value and the transmission delay offset part report value to the frame protocol packet.
  • the reporting delay bit of the transmission delay is 8 bits, and the value ranges from 0 to 255.
  • the reported bit of the extended transmission delay is 10 bits, and the value ranges from 255 to 1023. Therefore, a write mode is: if the integer part of the transmission delay value is less than or equal to 255 ⁇ 3 chips, the transmission delay report value is determined as the reporting delay of the Propagation delay, and another write mode is used.
  • the transmission delay report value is determined as the reporting bit of the extended propagation delay ( Extended Propagation delay), and the transmission delay value is offset corresponding to the transmission time.
  • the reported value of the delay offset is determined as the reporting bit of the transmission delay offset, and is written in the frame protocol packet, and the FP packet is reported to the RNC.
  • the application scenario when the UE migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state indicates that the base station writes the transmission delay integer part report value and the transmission delay offset part report value to the frame protocol packet, and reports the frame protocol packet to the RNC.
  • the process of the frame protocol packet includes an uplink dedicated channel frame protocol packet or an enhanced dedicated channel frame protocol packet.
  • the UE has four states of URA_PCH, CELL_PCH, CELL_FACH, and CELL_DCH in the UTRAN network, and various states may migrate with each other.
  • the base station when the UE migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state, the base station writes the transmission delay integer partial report value and the transmission delay offset partial report value into the FP packet of the uplink DCH or EDCH, and cycles.
  • sexually reported to the RNC wherein the reporting period can be selected according to actual needs
  • the degree is refined more precisely, so that the accuracy of the transmission delay is higher.
  • FIG. 2 is a schematic flowchart diagram of Embodiment 2 of a method for processing a transmission delay according to the present invention.
  • Embodiments of the present invention provide a transmission delay processing method, which may be performed by any apparatus that performs a transmission delay processing method, and the apparatus may be implemented by software and/or hardware.
  • the device can be integrated in a wireless network controller.
  • the RNC receives the transmission delay reported by the base station, and sends the transmission delay value to the base station, so that the specific process of the base station establishing the dedicated channel is performed.
  • the method in this embodiment may include:
  • Step 201 Receive a transmission delay integer part report value and a transmission delay offset part report value reported by the base station, where the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, and the transmission delay value offset part corresponds to The quantization accuracy is less than 3 chips.
  • the base station When the base station converts the integer part of the transmission delay value into the integer part of the transmission delay integer according to the quantization precision corresponding to the integer part of the transmission delay value and the quantization precision of the offset part of the transmission delay value, the base station delays the transmission delay value. After being partially converted into the transmission delay offset part, the RNC sends the transmission delay integer part report value and the transmission delay offset part report value, and the RNC stores the obtained transmission delay report value.
  • the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, and the quantization precision corresponding to the offset part of the transmission delay value is less than 3 chips.
  • Step 202 Send a radio link setup request message to the base station, where the radio link setup request message includes a transmission delay integer part report value and a transmission delay offset part report value.
  • the RNC When the base station needs to establish a dedicated channel, the RNC sends a transmission delay integer partial report value and a transmission delay offset partial report value to the base station by sending a radio link setup request message to the base station.
  • the RNC receives the transmission delay integer part reporting value and the transmission delay offset part reported value reported by the base station, and the quantization precision of the transmission delay value offset part is less than 3 chips, and the transmission delay value is The quantization precision of the offset part is more accurately refined, so that the accuracy of the transmission delay is higher.
  • the base station when the UE migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state, the base station writes the transmission delay integer partial report value and the transmission delay offset partial report value into the FP packet of the uplink DCH or EDCH and periodically
  • the RNC receives the FP packet sent by the base station, and parses and reports the transmission delay integer part reporting value and the transmission delay offset part reporting value from the FP packet.
  • the RNC receives the FP packet sent by the base station, and parses the transmission delay integer part reporting value and the transmission delay offset part reporting value from the FP packet, so that when the UE migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state,
  • the FP packet of the uplink dedicated channel or the FP packet of the enhanced dedicated channel can also carry the transmission delay integer part report value and the transmission delay offset part report value, and the quantization precision of the transmission delay value offset part is more accurately performed. Refinement makes the transmission delay report higher accuracy.
  • the RNC can also obtain the measurement report and the call information of the user equipment.
  • the measurement report and the call information are sent to the base station, and then the base station The measurement report and call information are sent to the RNC.
  • the measurement report includes the transmit power of the base station, the signal-to-noise ratio of the channel, and the Received Signal Code Power (RSCP), which includes the number of calls, call capacity, and the like.
  • RSCP Received Signal Code Power
  • the RNC can determine the network coverage information and the traffic information according to the transmission delay integer part report value and the transmission delay offset part report value and the measurement report and call information of the user equipment. Specifically, the RNC may determine the distance between the base station and the user equipment according to the transmission delay integer part report value and the transmission delay offset part report value, and draw the coverage map of the user equipment.
  • the quantization precision corresponding to the integer part of the transmission delay value is 3 chips
  • the quantization precision corresponding to the offset portion of the transmission delay value is 1/4 chip
  • the integer part of the transmission delay value is converted to 2, and the value is reported as the integer part of the transmission delay.
  • the offset part of the transmission delay value is converted to 6 and the value is reported as the offset part of the transmission delay.
  • the RNC reports the two parts. The values are multiplied by the corresponding quantization precisions and then added to obtain the final transmission delay reported value of 7.5 chips.
  • the distance between the base station and the user equipment is 585.938 meters. It can be seen that the transmission delay is partially reported in the original protocol. On the basis of the value, the reported value of the transmission delay offset portion is added, and the quantization precision of the offset portion of the transmission delay value is more accurately refined, so that the final transmission delay is higher in accuracy.
  • the RNC can determine the distance between each user equipment and the base station according to multiple transmission delays, and draw an overlay map.
  • the RNC can learn the wireless coverage and traffic information of the cell based on the measurement report and the call information. At the same time, the RNC can also comprehensively consider the reporting value and the transmission report, the measurement report and the call information from the transmission delay integer part report value, and the signal quality distribution of the user equipment corresponding to the different transmission delays. The capacity or coverage of the network.
  • the RNC can plan the wireless network according to the capacity or coverage information of the network or Optimization. For example, when the user equipment in the hotspot area is densely distributed, and the network capacity congestion or the network edge coverage is poor, c may indicate that the macro base station or the micro base station is added in the hotspot area. When the user equipment in the remote suburbs is loosely distributed and the network coverage is good, the layout of the base station can be adjusted according to the traffic information and the network coverage.
  • the quantization delay of the transmission delay value offset portion is refined, and the distance between the base station and the user equipment can be accurately obtained according to the finally obtained transmission delay report value, and the coverage map can be drawn.
  • High recognition support the needs of existing network optimization, and provide an accurate basis for network optimization.
  • FIG. 3 is a schematic flowchart diagram of Embodiment 3 of a method for processing a transmission delay according to the present invention.
  • the base station obtains the transmission delay value, and reports the transmission delay value to the radio network controller.
  • the method in this embodiment may include:
  • Step 301 The base station searches for an access preamble sent by the user equipment by using the first search window.
  • the user equipment Before the user equipment sends a Radio Resource Control (RRC) connection request message to the base station to establish a network connection, the user equipment first sends an access preamble (the Preamble X base station searches for the user equipment through the first search window).
  • the access preamble starts from 0 when the first search window starts.
  • the base station stops searching.
  • the window length of the first search window is set according to actual needs, and the present invention does not limit this.
  • Step 302 The base station acquires a transmission delay value of the physical random access channel according to the window length of the first search window and the location of the search access preamble.
  • the base station may search for the location of the access preamble according to the window length of the first search window, and use the existing physical random access channel (Physical Random Access Channel, PRACH for short).
  • PRACH Physical Random Access Channel
  • Step 303 The base station converts the integer part of the transmission delay value into the value of the transmission delay integer part according to the quantization precision of the integer part of the transmission delay value and the quantization precision of the offset part of the transmission delay value, and offsets the transmission delay value.
  • the partial conversion is converted to the transmission delay offset portion reported value.
  • the transmission delay value obtained by the base station is the integer part of the transmission delay value and the offset part of the transmission delay value. And, according to the quantization precision of the integer part of the transmission delay value and the quantization precision of the offset part of the transmission delay value, respectively converting the integer part of the transmission delay value and the offset part of the transmission delay value into the reporting part of the transmission delay integer part And the transmission delay offset part reports the value.
  • the quantization precision of the integer part of the transmission delay value is 3 chips
  • the quantization precision of the offset portion of the transmission delay value is 1/4 chip.
  • the extended transmission delay value is used to represent the extended transmission delay value into the extended transmission delay value integer part.
  • the transmission delay value offset part wherein the extended transmission delay value integer part is 768 chips, and the transmission delay value offset part is 2.5 chips, according to the quantization precision and the transmission delay value of the extended transmission delay value integer part
  • the quantization precision of the offset part converts the integer part of the extended transmission delay value to 256, and uses 256 as the extended transmission delay integer part to report the value, and converts the transmission delay value offset part to 10, with 10 as the transmission delay Set the partial report value.
  • Step 304 Write the transmission delay integer part report value and the transmission delay offset part report value to the frame protocol packet, and report the frame protocol packet to the radio network controller.
  • Step 305 The radio network controller receives the frame protocol packet sent by the base station, and parses the transmission delay integer part reporting value and the transmission delay offset part reporting value from the frame protocol packet.
  • the processing method of the transmission delay in this embodiment adds the value of the transmission delay offset part to the reported value based on the reported value of the transmission delay integer part defined by the original protocol, and maintains the transmission in the original protocol.
  • the quantization precision corresponding to the integer part of the delay value is unchanged from 3 chips, and the quantization precision corresponding to the offset portion of the transmission delay value is refined, which can be compatible with the processing method of the transmission delay in the prior art.
  • the transmission delay value is divided into the sum of the integer part of the transmission delay value and the offset part of the transmission delay value, and the quantization precision of the offset part of the transmission delay value is finely configured. Transmitting the integer part of the transmission delay value and the offset part of the transmission delay value into a reporting value of the transmission delay integer part reporting value and the transmission delay offset part, and reporting the reported value to the radio network controller respectively to enable wireless
  • the network controller can perform network optimization.
  • FIG. 4 is a schematic flowchart diagram of Embodiment 4 of a method for processing a transmission delay according to the present invention.
  • the base station after the base station reports the transmission delay integer part reporting value and the transmission delay offset part reporting value to the radio network controller, the base station controls the radio network from the base station to the radio network controller.
  • the device obtains the transmission delay report value, and determines the uplink dedicated physical channel according to the transmission delay report value.
  • the steps of this embodiment may optionally be after step 305 shown in FIG. 3. carried out.
  • the method in this embodiment may include:
  • Step 401 The base station receives the transmission delay integer part reporting value and the transmission delay offset part reporting value sent by the radio network controller.
  • the base station receives the radio link setup request message sent by the radio network controller, where the radio link setup request message includes a transmission delay integer part report value and a transmission delay offset part report value, and the base station may be configured from the radio link establishment request message. Obtain the reported value of the transmission delay integer part report value and the transmission delay offset part.
  • Step 402 The base station determines, according to the transmission delay integer part reporting value and the transmission delay offset part reporting value, the starting position of the second search window for searching for the uplink dedicated physical channel multipath.
  • the base station may set a start position of the second search window for searching for the uplink dedicated physical channel multipath according to the transmission delay integer part reporting value and the transmission delay bias partial reporting value.
  • the quantization precision corresponding to the integer part of the transmission delay value is 3 chips
  • the quantization precision corresponding to the offset part of the transmission delay value is 1/4 chip, and if the transmission delay value is 8 chips.
  • the RNC finally obtains a transmission delay value of 8 chips, and then searches for the second search of the uplink dedicated physical channel.
  • the starting position of the window is set to 8 chips.
  • the quantization precision of the integer part of the transmission delay value is 3 chips is used in the prior art, if the transmission delay value is 8 chips, the transmission delay is reported as 2, corresponding to The transmission delay value is 6 chips, and the base station sets the start position of the second search window to 6 chips.
  • the transmission delay value is divided into the sum of the integer part of the transmission delay value and the offset part of the transmission delay value, and the quantization precision of the offset part of the transmission delay value is finely configured.
  • the starting position of the search window is closer to the real position, making the search more accurate.
  • Step 403 The base station searches for a multipath of the uplink dedicated physical channel in the second search window, and determines an uplink dedicated physical channel according to the search result; or searches for a multipath of the uplink enhanced dedicated physical channel in the second search window, and according to The search result determines the uplink enhanced dedicated physical channel.
  • the base station searches for the multipath of the uplink dedicated physical channel in the second search window. After searching for the multipath, the base station may determine the uplink dedicated physical channel according to the prior art, and the base station may also search for the uplink enhanced dedicated physical channel in the second search window. Multipath, and according to the search result, the uplink enhanced dedicated physical channel is determined according to the prior art.
  • the RNC finally obtains the transmission time. The error of delaying the report is extremely small, and the actual multipath will fall within the search window, which improves the accuracy of the search.
  • the transmission delay value is divided into the sum of the integer part of the transmission delay value and the offset part of the transmission delay value, and the quantization precision of the offset part of the transmission delay value is finely configured. , to obtain an accurate transmission delay value, can improve the search accuracy of multipath search.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a base station side transmission delay processing apparatus according to the present invention.
  • the base station side transmission delay processing apparatus provided by the embodiment of the present invention includes an obtaining module 501, a processing module 502, and a sending module 503. .
  • the obtaining module 501 is configured to obtain a transmission delay value, where the transmission delay value is a sum of an integer part of the transmission delay value and a bias part of the transmission delay value, where the integer part of the transmission delay value is quantized
  • the precision is 3 chips, and the quantization precision corresponding to the transmission delay value offset portion is less than 3 chips
  • the processing module 502 is configured to perform quantization according to the integer part of the transmission delay value and the offset portion of the transmission delay value Accuracy, respectively converting the integer part of the transmission delay value into a transmission delay integer part reporting value, converting the transmission delay value offset part into a transmission delay offset part reporting value
  • the sending module 503 is configured to wirelessly The network controller reports the transmission delay integer part reporting value and the transmission delay offset part reporting value.
  • the base station side transmission delay processing apparatus in this embodiment may be used in the technical solution of the first embodiment of the transmission delay processing method, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of a base station side transmission delay processing apparatus according to the present invention. As shown in FIG. 6, the present embodiment is based on the embodiment shown in FIG. 5, and the sending module 503 includes:
  • a first writing unit 5031 configured to write the transmission delay integer part reporting value and the transmission delay offset part reporting value into a frame protocol packet
  • the first reporting unit 5032 is configured to report the frame protocol packet to the radio network controller.
  • FIG. 7 is a schematic structural diagram of Embodiment 3 of a base station side transmission delay processing apparatus according to the present invention. As shown in FIG. 7, in this embodiment, an application scenario when a UE transitions from a CELL_PCH state or a CELL_FACH state to a CELL_DCH state is described.
  • the sending module 503 includes:
  • the second writing unit 5033 is configured to: when the user equipment migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state, write the transmission delay integer part reporting value and the transmission delay offset partial reporting value into the frame protocol packet.
  • the frame protocol packet includes an uplink dedicated channel frame protocol packet or an enhanced dedicated channel frame protocol packet;
  • the second reporting unit 5034 is configured to report the frame protocol packet to the radio network controller. Specifically, when the UE migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state, the transmission delay integer part report value and the transmission delay offset part report value are written in the FP packet of the uplink DCH or EDCH, and are periodically reported. Give the RNC.
  • a Private IE Flags field is added in front of the Payload CRC field in the FP of the uplink DCH or EDCH to identify whether a transport delay or a transmission delay offset field needs to be carried.
  • the Private IE Flags is 8 bits, and Bit 0 is used.
  • the identifier carries a 1-byte transmission delay field and a 4-bit transmission delay offset field in front of the Payload CRC. When Bit O is 1, it indicates that it is carried. When it is 0, it indicates that it is not carried. Bit 1 is used to identify whether it is in Payload.
  • the CRC is preceded by an extended transmission delay reported by lObit. When Bit 1 is 1, it indicates that it is carried. When it is 0, it indicates that it is not carried. When the transmission delay exceeds 765 chips, the value of Bit 1 is 1.
  • the first writing unit 5031 or the second writing unit 5033 is specifically configured to: if the integer part of the transmission delay value is less than or equal to 255x3 chips, determine the transmission delay report value as the transmission. The reporting bit of the delay; if the integer part of the transmission delay value is greater than 255x3 chips, the transmission delay report value is determined as the reporting bit of the extended transmission delay, and the frame protocol packet is written; the transmission delay value is offset. The corresponding transmission delay offset part reporting value is determined as the reporting delay offset of the transmission delay, and is written into the frame protocol packet.
  • FIG. 8 is a schematic structural diagram of Embodiment 4 of a base station side transmission delay processing apparatus according to the present invention. As shown in FIG. 8, the present embodiment is based on the embodiment shown in FIG. 5, and the obtaining module 501 includes:
  • the obtaining module 501 includes:
  • the search access preamble unit 5011 is configured to search for an access preamble sent by the user equipment by using the first search window;
  • the transmission delay value determining unit 5012 is configured to obtain a transmission delay value of the physical random access channel according to the window length of the first search window and the searched location of the access preamble.
  • the device further includes:
  • the receiving module 504 is configured to receive the transmission delay integer part reporting value and the transmission delay offset part reporting value sent by the radio network controller.
  • the search window determining module 505 is configured to determine, according to the transmission delay integer part reporting value and the transmission delay offset partial reporting value, a starting position of a second search window for searching for an uplink dedicated physical channel multipath.
  • the channel determining module 506 is configured to search for a multipath of the uplink dedicated physical channel in the second search window, and determine an uplink dedicated physical channel according to the search result; or search for an uplink enhanced dedicated physical channel in the second search window. Multipath, and based on the search results, determine the uplink enhanced dedicated physical channel.
  • the receiving module 504 includes:
  • the message receiving unit 5041 is configured to receive a radio link setup request message sent by the radio network controller, where the radio link setup request message includes the transmit delay integer part report value and the transmit delay offset part report value. .
  • the quantization delay of the transmission delay offset portion is 1/4 chip.
  • the base station side transmission delay processing apparatus of this embodiment may be used to implement the technical solution of the transmission delay processing method provided by any embodiment of the present invention, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of Embodiment 1 of a radio access network side transmission delay processing apparatus according to the present invention.
  • the radio access network side transmission delay processing apparatus provided in this embodiment includes a report value receiving module 701. Send module 702.
  • the reporting value receiving module 701 is configured to receive the transmission delay integer part reporting value and the transmission delay offset part reporting value reported by the base station, where the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, and the transmission delay The value of the offset of the value is less than 3 chips; the sending module 702 is configured to send a radio link setup request message to the base station, where the radio link setup request message includes the reported value of the transmission delay integer part and The transmission delay value offset portion reports a value.
  • the radio access network side transmission delay processing apparatus of this embodiment may be used to implement the technical solution of the second embodiment of the transmission delay processing method, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
  • the reporting value receiving module 701 is specifically And receiving the frame protocol packet sent by the base station, parsing the transmission delay integer part reporting value and the transmission delay offset part reporting value from the frame protocol packet; the reporting value receiving module 701 is further configured to be used when Receiving, by the user equipment, a frame protocol packet sent by the base station, and parsing the transmission delay integer part reporting value and the transmission delay offset part from the frame protocol packet, when the user equipment migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state
  • the device further includes:
  • the measurement report obtaining module 704 is configured to obtain a measurement report and call information of the user equipment.
  • the device further includes:
  • a determining module 703 configured to determine network coverage information and traffic information according to the transmission delay integer part reporting value and the transmission delay offset part reporting value, the measurement report of the user equipment, and the call information;
  • the optimization module 705 is configured to perform network planning or optimization according to the network coverage information and the traffic information.
  • the radio access network side transmission delay processing apparatus of this embodiment may be used to perform the technical solution of the transmission delay processing method provided by any embodiment of the present invention, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • the base station 100 provided in this embodiment includes a processor 1001 and a memory 1002.
  • Base station 100 can also include a transmitter 1003, a receiver 1004. Transmitter 1003 and receiver 1004 can be coupled to processor 1001.
  • the memory 1002 stores execution instructions. When the base station 100 is running, the processor 1001 communicates with the memory 1002, and the processor 1001 calls the execution instructions in the memory 1002 for performing the following operations:
  • the transmission delay value is a sum of an integer part of the transmission delay value and a transmission delay value offset part; wherein, the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, The quantization precision corresponding to the offset portion of the transmission delay value is less than 3 chips;
  • the delay value offset portion is converted into a transmission delay offset portion reported value
  • the reporting the transmission delay integer part reporting value and the transmission delay offset part reporting value to the radio network controller includes:
  • the transmission delay integer part reporting value and the transmission delay offset part reporting value are written into a frame protocol packet, and the frame protocol packet is reported to the radio network controller; on the other hand, when the user When the device migrates from the CELL_PCH state or the CELL_FACH state to the CELL_DCH state, Transmitting the transmission delay integer part reporting value and the transmission delay offset part reporting value into a frame protocol packet, and reporting the frame protocol packet to the radio network controller, where the frame protocol packet includes an uplink Dedicated channel frame protocol packet or enhanced dedicated channel frame protocol packet.
  • the writing the delay packet integer part reporting value and the transmission delay offset part reporting value into the frame protocol package includes:
  • the transmission delay report value is determined as the reporting bit of the transmission delay; if the integer part of the transmission delay value is greater than 255x3 chips, The transmission delay report value is determined as the reporting bit of the extended transmission delay, and the frame protocol packet is written; the transmission delay offset portion corresponding to the transmission delay value offset portion is determined as the transmission delay offset. The reported bit is written to the frame protocol packet.
  • the acquiring the transmission delay value includes:
  • the method further includes:
  • the transmitting delay integer part reporting value and the transmitting delay offset part reporting value sent by the receiving radio network controller include:
  • Radio link setup request message includes the transmission delay integer part report value and the transmission delay offset part report value.
  • the quantization precision of the transmission delay value offset portion is 1/4 chip.
  • the base station in this embodiment may be used to perform the transmission delay provided by any embodiment of the present invention.
  • the technical solution of the method is similar to the technical effect, and will not be described here.
  • An embodiment of the present invention further provides a computer readable medium, comprising computer executed instructions for causing a base station to perform the above method.
  • FIG. 12 is a schematic structural diagram of Embodiment 1 of a radio network controller according to the present invention.
  • the radio network controller 110 provided in this embodiment includes a processor 1101 and a memory 1102.
  • the wireless network controller can also include a transmitter 1103, a receiver 1104. Transmitter 1103 and receiver 1104 can be coupled to processor 1101.
  • the memory 1102 stores execution instructions. When the wireless network controller is running, the processor 1101 communicates with the memory 1102, and the processor 1101 calls the execution instructions in the memory 1102 to perform the following operations:
  • the base station Receiving, by the base station, the transmission delay integer part reporting value and the transmission delay offset part reporting value, wherein the quantization precision corresponding to the integer part of the transmission delay value is 3 chips, and the quantization precision corresponding to the transmission delay value offset part is smaller than 3 chips;
  • Radio link setup request message includes the transmission delay integer part reporting value and the transmission delay offset part reporting value.
  • the reporting of the transmission delay integer part reporting value and the transmission delay offset part reported by the receiving base station includes:
  • the reporting of the transmission delay integer part reporting value and the transmission delay offset part reported by the receiving base station further includes:
  • the method further includes:
  • the method further includes: reporting, according to the transmission delay integer part, the reporting value of the transmission delay offset part, the measurement report of the user equipment, and The call information determines network coverage information and traffic information; and performs network planning or optimization according to the network coverage information and the traffic information.
  • the radio network controller of this embodiment may be used to perform the technical solution of the transmission delay processing method provided by any embodiment of the present invention, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
  • Embodiments of the present invention also provide a computer readable medium comprising computer executed instructions for causing a wireless network controller to perform the method described above.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit or module is only a logical function division.
  • there may be another division manner for example, multiple units or modules may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or module, and may be electrical, mechanical or otherwise.
  • the modules described as separate components may or may not be physically separate.
  • the components displayed as modules may or may not be physical modules, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé, un appareil et un dispositif de traitement de retards de propagation. Le procédé comprend les étapes suivantes : acquisition d'une valeur de retard de propagation, la valeur de retard de propagation étant la somme de la partie entière de la valeur de retard de propagation et de la partie de polarisation de la valeur de retard de propagation, la précision de quantification de la partie entière de la valeur de retard de propagation étant de 3 bribes, la précision de quantification de la partie de polarisation de la valeur de retard de propagation étant inférieure à 3 bribes; conversion de la partie entière de la valeur de retard de propagation en une valeur de rapport de la partie entière de la valeur de retard de propagation, et conversion de la partie de polarisation de la valeur de retard de propagation en une valeur de rapport de la partie de polarisation de la valeur de retard de propagation, respectivement sur la base de la précision de quantification de la partie entière de la valeur de retard de propagation et de la partie de polarisation de la valeur de retard de propagation; et notification à un contrôleur de réseau radio de la valeur de rapport de la partie entière de la valeur de retard de propagation et de la valeur de rapport de la partie de polarisation de la valeur de retard de propagation. Le procédé, l'appareil et le dispositif de traitement de retards de propagation selon l'invention permettent d'améliorer la précision d'un retard de propagation.
PCT/CN2014/076947 2014-05-07 2014-05-07 Procédé, appareil et dispositif de traitement de retards de propagation WO2015168880A1 (fr)

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CN201480013930.9A CN106105049B (zh) 2014-05-07 2014-05-07 传输时延处理方法及其装置和设备

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