WO2020020319A1 - Structure de réseau cellulaire développée dans un réseau 5g - Google Patents

Structure de réseau cellulaire développée dans un réseau 5g Download PDF

Info

Publication number
WO2020020319A1
WO2020020319A1 PCT/CN2019/097812 CN2019097812W WO2020020319A1 WO 2020020319 A1 WO2020020319 A1 WO 2020020319A1 CN 2019097812 W CN2019097812 W CN 2019097812W WO 2020020319 A1 WO2020020319 A1 WO 2020020319A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
network
millimeter
millimeter wave
frequency
Prior art date
Application number
PCT/CN2019/097812
Other languages
English (en)
Chinese (zh)
Inventor
朱睿
徐强
刘耀中
方有纲
李跃星
Original Assignee
湖南时变通讯科技有限公司
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 湖南时变通讯科技有限公司 filed Critical 湖南时变通讯科技有限公司
Publication of WO2020020319A1 publication Critical patent/WO2020020319A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066—Telephone sets adapted for data transmision
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • the present invention relates to the technical field of 5G networking, and in particular, to a cell networking structure extended to a 5G network.
  • Millimeter-wave communication is one of the key technologies of 5G. Its ultra-wide bandwidth can provide communication rates supporting up to tens of GbpS, but it also has the disadvantage of large transmission attenuation and poor penetration. Therefore, it can only be used for point-to-point transmission, such as base station backhaul.
  • point-to-point transmission such as base station backhaul.
  • the main traffic occurs indoors. The obstruction of the walls prevents outdoor base stations from directly communicating with users, and prevents users from directly enjoying the high speed brought by the millimeter wave broadband.
  • the current way for outdoor signals to access indoors depends on wired connections, that is, outdoor signals are introduced into the room through optical fibers or Ethernet cables, and then passed to users. As a result, the overall cost and difficulty of deployment will greatly increase.
  • Massive MIMO Massive MIMO
  • This technology relies on large-scale antenna arrays and beamforming, which is very expensive to implement.
  • the size of the antenna has increased significantly, and the difficulty of deployment has also increased.
  • the key to solving the above problem lies in seeking a reliable, low-cost technology for constructing a 5G wireless communication cell that can cover indoor users.
  • the present invention provides a cell networking structure that is extended to a 5G network, and is used to construct a 5G wireless communication cell that can cover indoor users.
  • a cell networking structure extended to a 5G network includes: a core network, a 5G millimeter wave base station, an M4R base station, and a MIMO network;
  • the core network and the 5G millimeter wave base station are connected by a millimeter wave or an optical fiber; [0008] 5G millimeter wave base stations and M4R base stations are connected through millimeter wave links;
  • the M4R base station is configured to process a network signal sent by a 5G millimeter wave base station, so that the network signal conforms to M
  • An M4R networking unit includes three main parts: an M4R base station, a relay node, and an indoor terminal; first,
  • the M4R base station subdivides the wideband millimeter wave spectrum into narrower bandwidth subchannels; the frequency bandwidth of each subchannel is consistent with the frequency bandwidth of the Sub 6GHz band used by the system, and does not overlap in the frequency domain, forming a set of parallel signals
  • the sub-channel communicates with the distributed relay node via the millimeter-wave channel of the M4R millimeter-wave base station; the relay node is placed outdoors and forms a LOS channel with the millimeter-wave base station; each sub-channel corresponds to one
  • the relay node converts the millimeter-wave subchannel to a uniform carrier frequency in the Sub 6GHz band by the relay node; after amplification by the relay node, the signal of each subchannel communicates with the indoor terminal in the form of MIMO; and the indoor terminal The signal is received and processed in the form of MIMO.
  • the MIMO network includes a relay node and an indoor terminal
  • the relay node receives the network signal sent by the M4R base station and performs frequency conversion on the network signal to obtain a signal in a low frequency band, and transmits the signal in the low frequency band to the indoor terminal.
  • the M4R base station includes: a modem, n millimeter wave transceivers, a channel controller, a separate combiner, and m antennas, n is greater than or equal to 1 and m is greater than or equal to 1;
  • the modem is connected to a 5G millimeter wave base station, the modem is also connected to n millimeter wave transceivers, and the n millimeter wave transceivers are connected to m antennas through a split combiner;
  • the channel controller is connected to n millimeter wave transceivers, and is used to calculate a channel response and send the millimeter wave local oscillator frequency to the n millimeter wave transceivers.
  • the modem is configured to modulate the baseband signal transmitted by the 5G millimeter wave base station according to the propagation requirements of the MIMO link to obtain a network signal conforming to the MIMO transmission protocol.
  • the modem is further configured to convert the baseband signal into n parallel channels through time-space coding, one channel corresponding to one millimeter wave transceiver.
  • the channel controller is configured to allocate corresponding millimeter wave local oscillator frequencies to the n millimeter wave transceivers and send the millimeter wave local oscillator frequencies to the n millimeter wave transceivers.
  • the relay node is implemented by an analog circuit
  • the analog circuit includes: a millimeter wave antenna, a millimeter wave duplexer, a first mixer, a second mixer, a frequency allocation control unit, a low frequency duplexer, Low frequency antenna
  • the millimeter-wave signal of the millimeter-wave base station received by the millimeter-wave antenna is transmitted to the low-frequency antenna and transmitted to the indoor terminal via the millimeter-wave duplexer, the first mixer, and the low-frequency duplexer, and the millimeter-wave signal is transmitted to the indoor mixer. Down-convert to the low-frequency carrier frequency band with the first carrier frequency of the frequency allocation control unit;
  • the signal of the low-frequency carrier frequency band of the indoor terminal received by the low-frequency antenna is transmitted to the millimeter-wave antenna and transmitted to the millimeter-wave base station through the low-frequency duplexer, the second mixer, and the millimeter-wave duplexer.
  • the second mixer and the second carrier frequency of the frequency allocation control unit are up-converted to the millimeter wave carrier frequency band.
  • the M4R base station and the MIMO network also communicate through a virtual MIMO channel, and the virtual MI MO channel includes a millimeter wave band and a low frequency band.
  • the uplink and downlink of the M4R base station and the MIMO network adopt a MIMO transmission mode or a time-division and frequency-division multi-user access mode.
  • the MIMO network of the neighboring cell uses different millimeter wave subchannels and different low frequency bands.
  • the present invention has the following advantages:
  • a cell network structure extended to a 5G network includes: a core network, a 5G millimeter wave base station, an M4R base station, and a MIMO network; the core network and the 5G millimeter wave base station are connected by a millimeter wave or an optical fiber; The millimeter wave base station and the M4R base station are connected through a millimeter wave link; the M4R base station is used to process the network signal sent by the 5G millimeter wave base station, so that the network signal conforms to the MIMO transmission protocol, and sends the processed network signal to the MIMO network.
  • This application expands on the 5G network, and connects the 5G millimeter-wave base station and the MIMO network through the M4R base station, so that the 5G network can enter the cell and the room through the advantages of MIMO, providing indoor users with a high-speed Internet experience, and achieving an indoor coverage Construction of 5G wireless communication cells for users.
  • FIG. 1 is a schematic diagram of an embodiment of a cell networking structure extended to a 5G network provided in this application;
  • FIG. 2 is a schematic diagram for explaining the principle of M4R in an embodiment of the present application.
  • FIG. 3 is a schematic diagram illustrating the extension of an M4R millimeter wave base station to a 5G network in an embodiment of the present application
  • FIG. 4 is an architecture diagram of an M4R base station according to an embodiment of the present application.
  • FIG. 5 is a circuit diagram of a relay node in an embodiment of the present application.
  • the present invention provides a cell networking structure extended to a 5G network, and is used to construct a 5G wireless communication cell that can cover indoor users.
  • an embodiment of a cell networking structure extended to a 5G network includes: a core network, a 5G millimeter wave base station, an M4R base station, and a MIMO network;
  • the core network is connected to the 5G millimeter wave base station through millimeter wave or optical fiber;
  • the 5G millimeter wave base station and the M4R base station are connected through a millimeter wave link;
  • the M4R base station is configured to process the network signal sent by the 5G millimeter wave base station, so that the network signal conforms to the M IMO transmission protocol, and sends the processed network signal to the MIMO network.
  • the MIMO network includes a relay node and an indoor terminal
  • the relay node receives the network signal sent by the M4R base station and performs frequency conversion on the network signal to obtain a low frequency wave And transmit the signals in the low frequency band to the indoor terminal.
  • This application is developed on a 5G network.
  • the 5G millimeter-wave base station and the MIMO network are connected through an M4R base station, so that the 5G network can enter the cell and indoor through the advantages of MIMO, and provide high-speed Internet access experience for indoor users.
  • Construction of 5G wireless communication cells that can cover indoor users.
  • the M4R system can be embedded in 5G deployments, making up for the shortcomings of poor millimeter wave wall penetration and narrow bandwidth at low frequencies.
  • M4R can be extended on the existing 5G link. By building a local system to increase the coverage of 5G, it can be used as the basic structure at the end of the 5G network.
  • M4R converts frequency multiplexing on millimeter waves to spatial submultiplexing of Sub 6GHz by means of frequency conversion relay, and constructs a high-speed wireless communication network in a Multiple Input Multiple Output (MIMO) manner.
  • MIMO Multiple Input Multiple Output
  • the M4R technology has good compatibility at the same time, and can be applied to multiple levels of a wireless communication network.
  • This patent proposes to embed the M4R system into a 5G network and construct a cell as a sub-network at the end of the network.
  • M4R The basic principle of M4R is to connect a millimeter wave channel and a Sub 6GHz MIMO channel through a frequency conversion relay.
  • An M4R networking unit includes three main parts: M4R millimeter wave base station, relay node, and indoor terminal (combined with Figure 1, Figure 2, and the context, it can be known that the millimeter wave base station in M4R and the M4R base station described in this article belong to the same Content, and it is clearly recorded in the following that M4R base station is an abbreviation of M4R millimeter wave base station, therefore, in this article, millimeter wave base station, M4R millimeter wave base station, and M4R base station all refer to unified content).
  • the millimeter-wave base station subdivides the broadband millimeter-wave spectrum into narrower-bandwidth subchannels.
  • the frequency bandwidth of each subchannel is consistent with the frequency bandwidth of the Sub 6GHz band used by the system, and does not overlap in the frequency domain, forming a set of parallel signal paths.
  • These sub-channels communicate with the distributed relay nodes via the millimeter-wave channels of the base station.
  • the relay node is placed outdoors, and forms a LOS (Line of Sight) channel with the millimeter wave base station.
  • Each sub-channel corresponds to a relay node, and the millimeter-wave sub-channel is converted by the relay node to a uniform carrier frequency in the Sub 6 GHz band.
  • each child The signal of the channel communicates with the indoor terminal in the form of MIMO.
  • the indoor terminal receives and processes signals in the form of MIMO.
  • the whole system is equivalent to establishing a MIMO link from a millimeter wave base station to an indoor terminal. Its basic principle is shown in Figure 2.
  • the M4R system can be embedded in 5G deployments to make up for the shortcomings of poor millimeter wave wall penetration and narrow bandwidth at low frequencies.
  • M4R can be extended on the existing 5G link. By building a local system to increase the coverage of 5G, it can be used as the basic structure at the end of the 5G network.
  • the M4R system is used to construct a cell sub-network.
  • the application of M4R system is explained by the downlink signal transmission sequence.
  • the data center is connected to the 5G millimeter-wave base station through millimeter-wave or optical fiber.
  • the millimeter wave base station and the millimeter wave access point of the M4R subsystem are connected by a millimeter wave link.
  • the signal has entered the M4R network.
  • the millimeter-wave access point processes network signals, provides an interface from the network layer to the physical layer, and performs operations such as encoding and modulation on signals to be transmitted according to the M4R principle to meet the MIMO transmission protocol.
  • the millimeter wave access point transmission communicates with the relay nodes in the cell, and the relay node transmits the signal to the indoor users in the low frequency band through the frequency conversion relay.
  • the signal transmission direction is opposite.
  • the indoor user's signal first passes through a MIMO channel composed of relay nodes, and each relay node converts the signal to the millimeter wave band according to the corresponding subchannel frequency, and then transmits it back to the M4R millimeter wave base station.
  • the millimeter wave signal is then demodulated, restored to a baseband signal, and transmitted back to the 5G backbone network.
  • M4R millimeter wave base station (M4R base station for short) will be described in detail below.
  • a millimeter wave base station in an M4R system has a basic function of providing an entrance to a cell network and a backbone network.
  • the millimeter wave technology is applied to the base station for backhaul, and the M4R base station is based on this to expand the network.
  • the M4R base station communicates with the 5G millimeter wave base station to form a millimeter wave backhaul link. After receiving the data from the millimeter-wave base station, the M4R base station converts it into a signal transmitted in the M4 R network and transmits it on its sub-network.
  • the M4R base station plays the role of a protocol conversion interface.
  • the millimeter wave base station can also directly provide the interface role of the M4R subnetwork.
  • the 5G millimeter-wave system that has been deployed can realize the function of millimeter-wave bandwidth home access by assuming M4R cells.
  • the main functions of the M4R base station are as follows:
  • the M4R signal needs to parse the baseband signal; for the downlink, it organizes different user data, packs them into frames, and confirms the transmission priority. Precoding the signal according to the propagation requirements of the MIMO link.
  • the M4R base station demodulates the data in the MIMO link and regenerates signals that meet the 5G millimeter wave transmission protocol.
  • the M4R base station includes: a modem, n millimeter wave transceivers, a channel controller, a splitter combiner, and m antennas, n is greater than or equal to 1 and m is greater than or equal to 1;
  • the modem is connected to a 5G millimeter wave base station, the modem is also connected to n millimeter wave transceivers, and the n millimeter wave transceivers are connected to m antennas through a split combiner;
  • the channel controller is connected to n millimeter wave transceivers, and is used to calculate the channel response and send the millimeter wave local oscillator frequency to the n millimeter wave transceivers.
  • the modem is configured to modulate the baseband signal transmitted by the 5G millimeter wave base station according to the propagation requirements of the MIMO link, to obtain a network signal conforming to the MIMO transmission protocol.
  • the modem is also used to convert the baseband signal into n parallel channels through time-space coding, one channel corresponding to one millimeter wave transceiver.
  • the modem actually modulates the baseband signal transmitted by the 5G millimeter-wave base station according to the propagation requirements of the MIMO link while precoding the baseband signal into n parallel channels and sending them to n millimeter wave transceivers.
  • the M4R base station demodulates and combines the data in the MIMO link to regenerate signals that meet the 5G millimeter wave transmission protocol.
  • the channel controller is configured to allocate corresponding millimeter wave local oscillator frequencies to the n millimeter wave transceivers and send the millimeter wave local oscillator frequencies to the n millimeter wave transceivers.
  • one channel corresponds to one millimeter-wave transceiver and one channel corresponds to one millimeter-wave local oscillator frequency. Therefore, one millimeter-wave local oscillator frequency corresponds to one millimeter-wave transceiver.
  • the channel controller can The channel allocation situation assigns the corresponding millimeter-wave local oscillator frequency to each millimeter-wave transceiver to achieve channel division and prepare for subsequent MI MO transmission.
  • the relay node is implemented by an analog circuit.
  • the analog circuit includes: a millimeter-wave antenna, a millimeter-wave duplexer, a first mixer, a second mixer, a frequency allocation control unit, and low-frequency duplexing.
  • Device low-frequency antenna;
  • the millimeter wave signal of the millimeter wave base station received by the millimeter wave antenna is transmitted to the low frequency antenna and transmitted to the indoor terminal through the millimeter wave duplexer, the first mixer and the low frequency duplexer, and the millimeter wave signal is transmitted to the indoor mixer. Down-convert to the low-frequency carrier frequency band with the first carrier frequency of the frequency allocation control unit;
  • the signal of the low-frequency carrier frequency band of the indoor terminal received by the low-frequency antenna is transmitted to the millimeter-wave antenna and transmitted to the millimeter-wave base station via the low-frequency duplexer, the second mixer, and the millimeter-wave duplexer.
  • the second mixer and the second carrier frequency of the frequency allocation control unit are up-converted to the millimeter wave carrier frequency band.
  • the relay node is very important in the M4R system, and it assumes the role of connecting the millimeter wave spectrum resource with the MIMO space resource.
  • each relay node is assigned a corresponding millimeter wave subchannel.
  • the relay node performs processing such as amplification and down conversion when receiving the corresponding subchannel signal.
  • the relay node needs to modulate the signal to the millimeter wave band.
  • the operation of the relay node on the signal is all performed in the manner of an analog circuit, and no modulation or demodulation operation is performed in the process. In this way, the structure of the relay node becomes very simple, and the delay of system processing is greatly reduced.
  • This relay method actually establishes an active MIMO channel. The transmitted signal is opaque to the relay node.
  • the relay node includes a control circuit, which is responsible for communicating with the M4R base station, managing subchannel allocation, amplifying gain, and synchronizing with the system.
  • the M4R relay node can be implemented at low cost because of its simple structure, and can be deployed on a large scale to maximize communication capacity.
  • the distribution of relay nodes should be as dispersed as possible, which is conducive to increasing spatial complexity and improving MIMO capacity. This may require M4R base stations to provide wider beams.
  • the millimeter wave antenna is usually designed as a higher gain and narrower beam. Therefore, compromises need to be considered when deploying nodes. Or for the case where the relay nodes are scattered, communication is performed by using a multi-beam millimeter wave antenna and a beam forming method.
  • the M4R system has high compatibility and can be applied to a variety of indoor terminals that can support MIMO, such as the current WI-FI system.
  • the indoor terminal needs to complete the channel estimation in cooperation with the millimeter wave base station to optimize the transmission rate.
  • another protocol may be enabled to demodulate the MI MO signal locally.
  • the indoor terminal may have various forms, and what affects the channel capacity of the system lies in the total number of antennas.
  • a terminal can have one or more antennas and their transceiver units.
  • Multi-antenna terminals generally allow higher channel capacity.
  • the M4R base station and the MIMO network also communicate through a virtual MIMO channel, and the virtual MIMO channel includes a millimeter wave band and a low frequency band.
  • V-MIMO Virtual MIMO for short
  • this channel Due to the existence of the relay, this channel has active characteristics, and its link gain can be adjusted.
  • the uplink and downlink channels are non-reciprocal, so separate channel estimates are required.
  • the channel information of the transmitting end is very important to optimize the channel capacity of the system, which requires a certain feedback from the receiving end.
  • such feedback exists when the indoor terminal receives the channel estimation instruction, analyzes the received training signal, obtains the parameters of the channel estimation, and feeds it back to the M4R base station.
  • the indoor terminal is a single device with multiple antennas, channel estimation can be performed more efficiently, and the channels of the receiver are easily synchronized.
  • each terminal can sequentially respond to the instructions of the transmitting terminal, and the base station performs the MIMO algorithm according to the feedback situation of each terminal.
  • channel feedback is not performed.
  • the M4R system increases the variable of the carrier frequency of the millimeter wave subchannel.
  • channels with a strong LOS can generally be considered .
  • it has relatively flat attenuation characteristics.
  • the frequency response of each sub-channel is flat and the relay node position is relatively fixed. Therefore, the millimeter wave link in M4R can be considered as static or quasi-static.
  • the attenuation characteristics of the same subchannel may be different. Therefore, during the operation of the system, the attenuation characteristics of each relay channel on each sub-channel can be periodically measured, and the planning can be unified according to the feedback situation of the indoor terminal to maximize the channel capacity.
  • the position and frequency of the relay node can be optimized, thereby fixing its corresponding subchannel carrier, and no adjustment is made when the system is running. This can simplify the channel estimation algorithm and simplify the circuit design of the relay node, which can be used for rapid deployment.
  • This system also needs to dynamically optimize the channel capacity, increase the data throughput rate when the system is busy, or reduce power consumption when the system is idle. This can be achieved by switching some relay nodes.
  • the uplink and downlink of the M4R base station and the MIMO network adopt a MIMO transmission mode or a time division frequency division multi-user access mode.
  • both uplink and downlink can support MIMO transmission.
  • maximizing the peak rate is critical, so it can keep running in MIMO spatial multiplexing mode.
  • the requirements on the rate are small, so in certain cases, lower-speed transmission methods can be used, such as multi-user access mode using time division or frequency division, which can simplify the algorithm and save energy.
  • M4R supports uplink and downlink full MIMO transmission.
  • one M4R base station corresponds to one or several groups of relay nodes, so that low latency and easy synchronization are guaranteed.
  • Relay nodes can be grouped to serve one or more buildings. When a relay node is deployed, it can be embedded in the building or hung on the exterior wall, roof, etc.
  • One or more buildings are arranged in a cell, and can be used as a cell for networking.
  • the networking of the embodiment shown in FIG. 1 there are three cells in total, each of which is circled by an ellipse.
  • the MIMO network of the neighboring cell uses different millimeter wave subchannels and different low frequency bands.
  • relay nodes There may be multiple relay nodes on a single building, and these nodes may receive signals from multiple M4R base stations number. In practice, neighboring base stations need to work together to reduce inter-cell crosstalk.
  • the base station avoids signal leakage to neighboring cells through beamforming
  • Adjacent cells can use different millimeter-wave subchannels and different low-frequency bands to build local MIs.
  • the base station may choose to switch some of the relay nodes to prevent it from receiving stronger signals from the base stations in neighboring cells, while saving energy.

Landscapes

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

Abstract

La présente invention concerne une structure de réseau cellulaire développée dans un réseau 5G, comprenant un réseau central, une station de base à ondes millimétriques 5G, une station de base M4R et un réseau MIMO ; le réseau central étant connecté à la station de base à ondes millimétriques 5G au moyen d'ondes millimétriques ou de fibres optiques ; la station de base à ondes millimétriques 5G étant connectée à la station de base M4R au moyen de liaisons à ondes millimétriques ; la station de base M4R étant utilisée pour traiter un signal de réseau envoyé par la station de base à ondes millimétriques 5G pour permettre au signal de réseau de se conformer à un protocole de transmission MIMO, et envoyer le signal de réseau traité au réseau MIMO. La présente invention développe un réseau 5G et connecte la station de base à ondes millimétriques 5G au réseau MIMO au moyen de la station de base M4R, de telle sorte que le réseau 5G peut être utilisé dans des cellules et en intérieur grâce aux avantages du système MIMO, ce qui offre à des utilisateurs en intérieur une expérience d'accès à Internet à grande vitesse et construit des cellules de communication sans fil 5G capables de couvrir des utilisateurs en intérieur.
PCT/CN2019/097812 2018-07-27 2019-07-26 Structure de réseau cellulaire développée dans un réseau 5g WO2020020319A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810846248.8A CN108880638A (zh) 2018-07-27 2018-07-27 一种拓展于5g网络的小区组网结构
CN201810846248.8 2018-07-27

Publications (1)

Publication Number Publication Date
WO2020020319A1 true WO2020020319A1 (fr) 2020-01-30

Family

ID=64306318

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/097812 WO2020020319A1 (fr) 2018-07-27 2019-07-26 Structure de réseau cellulaire développée dans un réseau 5g

Country Status (2)

Country Link
CN (1) CN108880638A (fr)
WO (1) WO2020020319A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108880638A (zh) * 2018-07-27 2018-11-23 湖南时变通讯科技有限公司 一种拓展于5g网络的小区组网结构
CN109067441A (zh) * 2018-07-27 2018-12-21 湖南时变通讯科技有限公司 一种基于毫米波和微波多输入多输出中继的5g组网系统
CN111865382B (zh) * 2019-04-26 2022-09-02 华为技术有限公司 信号发送电路、信号接收电路、电子装置及基站
CN114631266B (zh) * 2019-09-04 2024-04-09 Bmic有限责任公司 有5g能力的集成屋顶附件及其使用方法
US11588235B2 (en) 2019-09-04 2023-02-21 Bmic, Llc Systems utilizing integrated roofing accessories for controlling directions of communications and methods of use thereof
CN113364506A (zh) * 2020-03-06 2021-09-07 富泰华工业（深圳）有限公司 中继设备、具有该中继设备的通信系统及通信方法
CN112822692B (zh) * 2020-12-24 2024-06-07 中天通信技术有限公司 毫米波接入系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160294441A1 (en) * 2015-03-30 2016-10-06 Futurewei Technologies, Inc. Copper-Assisted Fifth Generation (5G) Wireless Access to Indoor
CN107708134A (zh) * 2017-11-14 2018-02-16 南京海得逻捷信息科技有限公司 毫米波室内智能无源覆盖方法
CN108880638A (zh) * 2018-07-27 2018-11-23 湖南时变通讯科技有限公司 一种拓展于5g网络的小区组网结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10143036B2 (en) * 2016-07-30 2018-11-27 Phazr, Inc. Millimeter wave wireless system using licensed and unlicensed frequency sprectrum
CN108076470A (zh) * 2016-11-16 2018-05-25 广州全界通讯科技有限公司 一种移动通信系统及方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160294441A1 (en) * 2015-03-30 2016-10-06 Futurewei Technologies, Inc. Copper-Assisted Fifth Generation (5G) Wireless Access to Indoor
CN107708134A (zh) * 2017-11-14 2018-02-16 南京海得逻捷信息科技有限公司 毫米波室内智能无源覆盖方法
CN108880638A (zh) * 2018-07-27 2018-11-23 湖南时变通讯科技有限公司 一种拓展于5g网络的小区组网结构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RUI ZHU: "Millimeter-Wave to Microwave MIMO Relays (M4R) for 5G Building Penetration Communications", 2018 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS 2018), 15 January 2018 (2018-01-15), pages 206 - 208, XP033325305 *

Also Published As

Publication number Publication date
CN108880638A (zh) 2018-11-23

Similar Documents

Publication Publication Date Title
WO2020020319A1 (fr) Structure de réseau cellulaire développée dans un réseau 5g
KR101962805B1 (ko) Sudac, 사용자 장비, 기지국 및 sudac 시스템
CN107148759B (zh) Suda系统控制器、系统及控制方法、用户设备、sudac系统、可读存储介质
JP2021177642A (ja) セルラ時分割複信（ｔｄｄ）ミリ波システムのためのサウンディング参照信号（ｓｒｓ）設計
Song et al. Resource allocation in full-duplex communications for future wireless networks
KR101753201B1 (ko) 통신시스템에서 릴레이 제어장치 및 방법
Shokri-Ghadikolaei et al. Design aspects of short-range millimeter-wave networks: A MAC layer perspective
Aldubaikhy et al. mmWave IEEE 802.11 ay for 5G fixed wireless access
TW200537859A (en) Wireless multi-hop system with macroscopic multiplexing
US9001799B2 (en) Method of transmitting and receiving signal in a distributed antenna system
WO2020020318A1 (fr) Système de réseautage 5g basé sur onde millimétrique et relais à entrées multiples et sorties multiples micro-ondes
JP2007134844A (ja) 複数基地局を用いた伝送路マルチ化システム
WO2017016520A1 (fr) Système et procédé destinés à une communication à relais robuste
US10764878B2 (en) Method and device for transmitting signal
Ansere et al. Energy efficient resource optimization in cooperative Internet of Things networks
Parkvall et al. 5G wireless access-trial concept and results
Datsika et al. QoS-aware resource management for converged fiber wireless 5G fronthaul networks
Qiao et al. Efficient concurrent transmission scheduling for cooperative millimeter wave systems
Ullah et al. Performance evaluation of relaying with different relay selection schemes in 5G NR V2X communications
Nie et al. Coopmax: A cooperative mac with randomized distributed space-time coding for an ieee 802.16 network
Nakayama et al. Novel c-ran architecture with pon based midhaul and wireless relay fronthaul
Silard et al. Frequency Reuse in IAB-based 5G Networks using Graph Coloring Methods
US20240129022A1 (en) Wireless communication system and method for operating wireless communication system as high-performance wireless backhaul network
WO2024076192A1 (fr) Formation de faisceau adaptative basée sur des systèmes sélectifs en fréquence jpta pour répéteurs intelligents
Wang et al. Cell switching mechanisms for access point sharing in WLAN over radio-over-fiber systems

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19840784

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19840784

Country of ref document: EP

Kind code of ref document: A1