CN108366410A - A kind of synchronous method towards the intensive networking in the small stations LTE - Google Patents

A kind of synchronous method towards the intensive networking in the small stations LTE Download PDF

Info

Publication number
CN108366410A
CN108366410A CN201810062360.2A CN201810062360A CN108366410A CN 108366410 A CN108366410 A CN 108366410A CN 201810062360 A CN201810062360 A CN 201810062360A CN 108366410 A CN108366410 A CN 108366410A
Authority
CN
China
Prior art keywords
base station
sub
clustering
cluster
synchronous
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201810062360.2A
Other languages
Chinese (zh)
Other versions
CN108366410B (en
Inventor
刘旭
黄志�
朱雯慧
姜杰
朱晓荣
杨龙祥
朱洪波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Post and Telecommunication University
Nanjing University of Posts and Telecommunications
Original Assignee
Nanjing Post and Telecommunication University
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 Nanjing Post and Telecommunication University filed Critical Nanjing Post and Telecommunication University
Priority to CN201810062360.2A priority Critical patent/CN108366410B/en
Publication of CN108366410A publication Critical patent/CN108366410A/en
Application granted granted Critical
Publication of CN108366410B publication Critical patent/CN108366410B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/32—Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/46—Cluster building
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
    • H04W40/16—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality based on interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes

Landscapes

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

Abstract

The invention discloses a kind of synchronous method towards the intensive networking in the small stations LTE, first, it is layered according to the minimum hop count between the temporal information source and GPS time information source of base station apart, it is up to target with sub-clustering index value between base station and base station is subjected to sub-clustering, final sub-clustering result is selected with the minimum standard of the correlation metric value of cluster under the premise of meeting cluster scale；Then, it is extended downwards with sub-clustering center, determines that the path of reference base station is intercepted in base station to be synchronized according to the SINR maximums between base station, until all base stations have determining optimal synchronizing to intercept path；Finally, synchronous reference signal is intercepted in the small stations LTE according to synchronous path program results, and parsing synchronizing signal adjusts itself clock to obtain synchronizing information, according to synchronizing information and realizes synchronization.The present invention can reduce the interference of the synchronizing signal between base station, it is ensured that the quality of synchronizing signal selects best synchronisation source, it is ensured that optimal synchronization accuracy reduces simultaneously operating difficulty.

Description

A kind of synchronous method towards the intensive networking in the small stations LTE
Technical field
The present invention relates to 5G super-intensives networking arts more particularly to a kind of synchronous method towards the intensive networking in the small stations LTE.
Background technology
Super-intensive network (UDN) meets high flow capacity, the access of high-density wireless terminal by disposing a large amount of wireless device Requirement.If if not obtaining synchronization between the base stations each region Nei Ge little, the influence of interference will be aggravated, strong jamming can seriously affect Speech quality and network rate.
In conventional cellular network, there are mainly three types of technologies to be used for base station synchronization：GPS is synchronous, PTP synchronization and eats dishes without rice or wine to intercept It is synchronous.However in UDN scenes, GPS synchronize needs to the small stations LTE install receive GPS signal antenna equipment so that equipment at This raising, reception satellite-signal is poor indoors, and operation difficulty is risen.PTP synchronization requires software (supporting 1588 agreements) It is combined with hardware, it is desirable that symmetric links.It eats dishes without rice or wine to intercept to synchronize and can not be synchronized using the method without macro station region at some, Secondly the highdensity small standing-meetings of LTE bring strong interference, when being synchronized by the way of eating dishes without rice or wine to intercept, inter base station interference letter Number useful signal can be lost, mistake is will appear when intercepting signal and the case where can not intercepting even occurs.
Invention content
The technical problem to be solved by the present invention is to for the defect involved by background technology, provide one kind towards LTE The synchronous method of the intensive networking in small station can reduce the synchronizing signal interference between base station, it is ensured that the quality of synchronizing signal, selection is most Good synchronisation source, it is ensured that optimal synchronization accuracy reduces simultaneously operating difficulty.
The present invention uses following technical scheme to solve above-mentioned technical problem：
A kind of synchronous method towards the intensive networking in the small stations LTE, includes the following steps：
Step 1), base station clustering process：In the synchronizing process of the small stations super-intensive networking LTE, according to the temporal information of base station Minimum hop count between source and GPS time information source apart is layered, and is up to target by base with sub-clustering index value between base station It stands and carries out sub-clustering, different sub-clusterings is obtained according to all possible sub-clustering number as a result, with cluster phase under the premise of meeting cluster scale The minimum standard of closing property index selects final sub-clustering result；
Step 2), synchronous path planning process：After sub-clustering is completed, extended downwards with sub-clustering center, according between base station Interference-to-noise ratio maximum determines that the path of reference base station is intercepted in base station to be synchronized, and determining road is intercepted until all base stations have Diameter；
Step 3), synchronizing information acquisition process：Synchronous ginseng is intercepted according to synchronous path program results in the small stations LTE to be synchronized Signal is examined, parsing synchronizing signal adjusts itself clock to obtain synchronizing information, according to synchronizing information and realizes synchronization.
As a kind of further prioritization scheme of synchronous method towards the intensive networking in the small stations LTE of the present invention, the base station Between sub-clustering index value determined with interference-to-noise ratio and synchronous level by the signal between base station, the time of the synchronous level, that is, base station Minimum hop count between information source and GPS time information source apart；The cluster correlation metric is based on SINR summations between cluster.
As a kind of further prioritization scheme of synchronous method towards the intensive networking in the small stations LTE of the present invention, the step 1) detailed step is as follows：
Step 1.1) selects sub-clustering center number；
Step 1.2) calculates sub-clustering index matrix, then according to sub-clustering index matrix according to the sub-clustering center number of selection By base station sub-clustering；
Step 1.3), storage sub-clustering is as a result, calculate cluster correlation metric value；
Step 1.4), the number at update sub-clustering center, judges whether possible sub-clustering result has all obtained, if all It obtains, executes step 1.5), otherwise just redirect and execute step 1.2)；
Step 1.5) selects final sub-clustering under the premise of meeting cluster scale with the minimum standard of the correlation metric value of cluster As a result；
Step 1.6), clustering process terminate；
As a kind of further prioritization scheme of synchronous method towards the intensive networking in the small stations LTE of the present invention, the step 1.2) detailed step is as follows：
Step 1.2.1), it is carried out according to the minimum hop count between the temporal information source and GPS time information source of base station apart Layering, it is m to enable the minimum hop count between the temporal information source of base station and GPS time information source apart, then base station is divided into m collection It closes, m is the natural number more than 0；
Step 1.2.2), m matrix is obtained according to sub-clustering index, matrix row, column respectively represents the base that level is i-1, i It stands；It finds out matrix and often goes a maximum element, and record corresponding matrix coordinate；
Step 1.2.3), the corresponding base station of matrix coordinate is incorporated in the same cluster.
As a kind of further prioritization scheme of synchronous method towards the intensive networking in the small stations LTE of the present invention, the step 2) in, a cluster is conceptualized as a total indirected graph, base station as the point in figure, weights between two points by synchronize level, SINR is determined；Using reference base station as root node, select optimal path come spanning tree according to maximum weight, until completing figure Traversal, completes the planning in all base station synchronization paths.
The present invention has the following technical effects using above technical scheme is compared with the prior art：
1) consider SINR between synchronous hop count and base station, base station by sub-clustering and layering, by highdensity base station from Disperse in logic, simultaneously operating difficulty can be reduced.It is designed by the correlation metric of sub-clustering index Design and cluster, improves base station The quality for receiving synchronizing signal, to eliminate the isolated island base station that can not be synchronized.
2) base station layering in the design of synchronous path weights and cluster, SINR is considered simultaneously with synchronous hop count, is protected Also the requirement of synchronization accuracy is met while having demonstrate,proved the quality of synchronizing signal.
3) after the clustering process of base station, base station interference is broadly divided into cluster to be interfered between interference and cluster.Based on meeting cluster scale Under the premise of selected with the final sub-clustering result in the base station of the minimum standard of correlation metric value of cluster, can reduce to greatest extent It is interfered between cluster.Synchronous path planning process is primarily directed to disturbance-proof design in cluster.Interference in cluster is divided into interlayer and done by layering in cluster Disturb and interfered with level, by the planning process of synchronous path, select reference base station and intercept path can reduce interlayer interference and Solve the problems, such as that synchronizing signal caused by level interference is intercepted.
Description of the drawings
Fig. 1 is the application scenario diagram of the synchronous method towards the intensive networking in the small stations LTE of the present invention；
Fig. 2 is the flow chart of the synchronous method of the present invention；
Fig. 3 is the interior measure of criterions figure between cluster of cluster of the synchronous method of the present invention；
Fig. 4 is the sub-clustering flow chart of the synchronous method of the present invention；
Fig. 5 is synchronous path planning chart in the cluster of the synchronous method of the present invention；
Fig. 6 is synchronous path planing method flow chart in the cluster of the synchronous method of the present invention.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings：
Present invention consideration can not intercept macro station signal, strong jamming and synchronous hop count problem existing for small base station, design one The synchronous method of small base station solves the stationary problem of small base station under super-intensive network scenarios and reduces dry in synchronizing process It disturbs.
Specific embodiment is as follows：
Application scenario diagram shown in FIG. 1 for the synchronous method towards the intensive networking in the small stations LTE.Small base station shown in Fig. 1 For the small base station under macro station coverage area, T in figureiIndicate the synchronization level of base station.Synchronous level be defined as the cell when Between minimum hop count between information source and GPS time information source apart.In this scenario, macro station is only to provide the common reference time Synchronizing process is not participated in source, and the synchronization level of macro station is T0.It is T that synchronous level is mainly surrounded in Fig. 11Small base station at Cluster.And clusterization is managed concentratedly, together by the high base station combination of similitude, can reduce operation difficulty.
Fig. 2 show the flow chart of the synchronous method of the present invention, and detailed process is as follows：
S101：Base station clustering process：In the synchronizing process of the small stations super-intensive networking LTE, according to the temporal information source of base station Minimum hop count between GPS time information source apart is layered, and is up to target by base station with sub-clustering index value between base station Sub-clustering is carried out, different sub-clusterings is obtained according to all possible sub-clustering number as a result, with cluster correlation under the premise of meeting cluster scale Property the minimum standard of index select final sub-clustering result.
S102：Synchronous path planning process：After sub-clustering is completed, extended downwards with sub-clustering center (reference base station), according to SINR maximums between base station determine that the path of reference base station is intercepted in base station to be synchronized, and determining road is intercepted until all base stations have Diameter.
S103：Synchronizing information acquisition process：Synchronous reference is intercepted according to synchronous path program results in the small stations LTE to be synchronized Signal, parsing synchronizing signal adjust itself clock to obtain synchronizing information, according to synchronizing information and realize synchronization.
Fig. 3 is that similarity measurements spirogram, Fig. 3 mainly propose sub-clustering index and cluster between cluster in the cluster of the synchronous method of the present invention Correlation metric design method.
Correlation between base station is by sub-clustering index expression, and sub-clustering index is according to SINR and synchronous hierarchic design.It is designing When sub-clustering index, it is assumed that the synchronization accuracy grade of base station is it is known that the region base stations Nei Zong number is known as N, it is assumed that base station synchronization layer Grade is up to h.ei,jIndicate j-th of base station inside the level i of base station.It can learn：
Base station ei',j'With base station ei'-1,k'Between sub-clustering index value can be expressed as：
The power of the base station k' for the i'-1 layers that base station j' in expression layer i' is received.
The power summation of the other base stations for the i'-1 layers that the base station j' of expression layer i' is received.
The power summation for the other base stations of i' layers that the base station j' of expression layer i' is received.
After the completion of sub-clustering index Design, sub-clustering is carried out based on sub-clustering index.The quality of sub-clustering result passes through cluster scale It is indicated with cluster correlation metric, the correlation metric of cluster is based on SINR summations design between cluster.
Assuming that having N number of small base station, X={ x1,x2,...,xNIt is divided into k cluster C1,C2,...,Ck。niIt is expressed as i-th The base station number of a cluster.
The scale decision condition of cluster is as follows：
ni>=2i=1,2 ..., k
Ci∩Cj=Φ i, j=1,2 ..., k, i ≠ j
SINR summations design between the correlation metric of cluster is based on cluster, and the SINR summation minimums between cluster indicate between two clusters The minimum and mutual contact of interference it is minimum.As follows：
SINR of the base stations p of cluster (m) to the base station i of cluster (j).
The SINR value of all base stations in cluster (m) to the base station i in cluster (j).
B(l,m)：Summations of the cluster l to the SINR value of cluster n.
The SINR value summation of all clusters.
B(k)：The correlation metric of cluster.
After cluster scale decision condition and cluster correlation metric design, in the case where meeting cluster scale, cluster is selected The sub-clustering result of correlation metric value minimum.As follows：
Minimize Kopt=B (k)
Subject to：
ni＞ 2i=1,2 ..., k
Ci∩Ci=Φ i, j=1,2 ..., m, i ≠ j
Fig. 4 is the sub-clustering flow chart of the synchronous method of the present invention.Steps are as follows：
S201：K is expressed as sub-clustering number, the maximum level h of base station.K is initially 2, and maximum value is base station synchronization level L1's Base station number L.
S202：Pass through formula (2) computation levels L0With level L1Sub-clustering Index element matrix H between base station0,1.Following institute Show：
H0,1=[α01,α02,...α0i...α0L]
S203：According to matrix H0,1Select reference base station.Select the maximum base station of k element value as ginseng from the matrix Examine base station.
S204：Sub-clustering Index element matrix of the computation levels between i-1 and i.It is h layers shared, LiIndicate every layer of base station Set, wherein：|L1|=L, | L2|=I, | L3|=O ..., | Lh-1|=P, | Lh|=K.Reference base station l≤L of selection, passes through Formula (2) obtains h-1 sub-clustering index matrix, as follows.
Wherein element αijSub-clustering parameter value between expression base station.
S205：Matrix row (column) represents level as the base station of i-1 (level as i).It finds out matrix and often goes a maximum member Element, and record corresponding matrix coordinate.The corresponding base station of matrix coordinate is incorporated in the same cluster.It has been incorporated into accordingly The base station representated by row in cluster is no longer participate in clustering process.
S206：Base station is judged whether all inside cluster, if it is not, returning to S205, ensures that all base stations all exist Inside cluster, otherwise indicate that current base station sub-clustering is completed, continuation executes down.
S207：Storage sub-clustering result simultaneously calculates cluster correlation metric, changes sub-clustering number, sub-clustering number k adds 1.
S208：Calculate whether k is more than L.If the number of sub-clustering is more than synchronous level L1Base station number, indicate it is possible Sub-clustering result has all obtained, and goes to S209.Otherwise S203 is returned to, according to the number of cluster, reference base station is selected to restart sub-clustering.
S209：Select final sub-clustering result.In the case where meeting cluster scale, cluster correlation metric value minimum is selected Sub-clustering result.
Fig. 5 be the present invention synchronous method cluster in synchronous path planning chart, a cluster be conceptualized as one completely it is undirected Scheme G=(V, E, W), the vertex of the base station in cluster being conceptualized as in V.Weight between two points is indicated by w.W is mainly by synchronizing Level, SINR are determined.Using reference base station as root node, select optimal path come spanning tree according to weight w, until completing figure Traversal.
For cluster S：Indicate the set of the i layers base station in cluster S.S=1,2..., kopt.I=1,2..., h.koptIt indicates The sub-clustering number of final sub-clustering result, setBase station number bevi,jIndicate that base station number, wherein i indicate the number of plies, j tables Show the base station number in this layer.It can learn：
ep,q i,jThe side of the base stations q of expression layer p and the base stations j of layer i.wp,q i,jIndicate the j bases of the base stations q and layer i of expression layer p The side right value stood.It can be expressed as：
Base station vi,jThe v of the base station receivedp,qPower.
Base station vi,jThe layer p received removes base station vp,qExcept all base stations power.
Base station vi,jThe layer i received removes base station vi,jExcept all base stations power.
For the cluster divided, the synchronous path planning of each cluster can be carried out at the same time.
Fig. 6 is synchronous path planing method flow chart in the cluster of the synchronous method of the present invention.Key step is as follows：
S301：PiTo store the set of synchronous path.The number of the set andBase station number it is consistent.Need all bases It stands all inside synchronous path.PiIt is initially empty set.
S302：It willThe base station of layer is stored respectively into PiIn, PiSet often increases a base station, accordinglySet is reduced One base station.
S303：Judge setWhether it is empty, if it is sky, then it represents thatIn all base stations be all planned for same step In diameter set.
S304：According to formula (6) computation layerWithSide right value matrix between base station.
S305：The corresponding base station in the maximum side of weights is selected in matrix.Matrix row (column) represents level as l-1 (levels For base station l).It finds out matrix and often goes a maximum element, and record corresponding matrix coordinate.
S306：The base station of selection is put into corresponding PiIn set, have been incorporated into accordingly representated by the row in set Base station be no longer participate in synchronous path planning, by corresponding base station fromMiddle removal.
S307：JudgeWhether it is empty set, if it is empty set, then it represents that all planned in synchronous path this layer of base station Otherwise the inside returns to step S305, maximum weight corresponding base station in side is reselected from remaining base station.
S308：Number of plies l adds 1, and path planning is synchronized to next layer of base station.
S309：Judge whether l is equal to maximum level h, if equal, indicates that all base stations inside this cluster complete to synchronize Path planning.Otherwise S304 is returned to, the side right value matrix between next layer of base station is recalculated.
In summary：The embodiment of the present invention proposes a kind of synchronous method towards the intensive networking in the small stations LTE, specific to Difficulty synchronizing greatly, in these three low UDN scenes of quality of synchronizing signal is intercepted in strong jamming, synchronizing signal between the small stations LTE Main problem in journey.Considering SINR between synchronous hop count and base station, will be highly dense as sub-clustering index, base station sub-clustering and layering The base station of degree logically disperses, and reduces simultaneously operating difficulty, reduces the synchronizing signal interference between base station, it is ensured that synchronizing signal Quality selects best synchronisation source, it is ensured that optimal synchronization accuracy.
Base station clustering process main purpose in this method is the interference reduced between base station, after the clustering process of base station, base Interference of standing is broadly divided into cluster to be interfered between interference and cluster.The optimal sub-clustering result choosing in base station based on cluster correlation metric minimum It selects, can reduce and be interfered between cluster to greatest extent.Synchronous path planning process is primarily directed to disturbance-proof design in cluster.Layering in cluster Interference in cluster is divided into interlayer interference and level interference, by the planning process of synchronous path, reference base station is selected and intercepts road Synchronizing signal caused by diameter can reduce interlayer interference and level interference intercepts problem.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein (including skill Art term and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Also It should be understood that those terms such as defined in the general dictionary should be understood that with in the context of the prior art The consistent meaning of meaning, and unless defined as here, will not be explained with the meaning of idealization or too formal.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not limited to this hair Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention Protection domain within.

Claims (5)

1. a kind of synchronous method towards the intensive networking in the small stations LTE, which is characterized in that include the following steps：
Step 1）, base station clustering process：In the synchronizing process of the small stations super-intensive networking LTE, according to the temporal information source of base station with Minimum hop count between GPS time information source apart is layered, with sub-clustering index value between base station be up to target by base station into Row sub-clustering obtains different sub-clusterings as a result, with cluster correlation under the premise of meeting cluster scale according to all possible sub-clustering number The minimum standard of index selects final sub-clustering result；
Step 2）, synchronous path planning process：After sub-clustering is completed, extended downwards with sub-clustering center, according to the interference between base station Noise determining intercepts path than the maximum path for determining base station to be synchronized and intercepting reference base station, until all base stations have；
Step 3）, synchronizing information acquisition process：Synchronous reference letter is intercepted according to synchronous path program results in the small stations LTE to be synchronized Number, parsing synchronizing signal adjusts itself clock to obtain synchronizing information, according to synchronizing information and realizes synchronization.
2. the synchronous method according to claim 1 towards the intensive networking in the small stations LTE, which is characterized in that between the base station Sub-clustering index value is determined that the time of the synchronous level, that is, base station believes by the signal between base station with interference-to-noise ratio and synchronous level Minimum hop count between breath source and GPS time information source apart；The cluster correlation metric is based on SINR summations between cluster.
3. the synchronous method according to claim 2 towards the intensive networking in the small stations LTE, which is characterized in that the step 1） Detailed step it is as follows：
Step 1.1）, select sub-clustering center number；
Step 1.2）, according to the sub-clustering center number of selection, sub-clustering index matrix is calculated, then according to sub-clustering index matrix by base It stands sub-clustering；
Step 1.3）, storage sub-clustering is as a result, calculate cluster correlation metric value；
Step 1.4）, the number at sub-clustering center is updated, judges whether possible sub-clustering result has all obtained, if all obtained It arrives, executes step 1.5）, otherwise just redirect and execute step 1.2）；
Step 1.5）, final sub-clustering knot is selected with the minimum standard of the correlation metric value of cluster under the premise of meeting cluster scale Fruit；
Step 1.6）, clustering process terminates.
4. the synchronous method according to claim 3 towards the intensive networking in the small stations LTE, which is characterized in that the step 1.2）Detailed step it is as follows：
Step 1.2.1）, it is layered according to the minimum hop count between the temporal information source and GPS time information source of base station apart, It is m to enable the minimum hop count between the temporal information source of base station and GPS time information source apart, then base station is divided into m set, and m is Natural number more than 0；
Step 1.2.2）, m matrix is obtained according to sub-clustering index, matrix row, column respectively represents level and isi-1、iBase station；It looks for Go out matrix and often go a maximum element, and records corresponding matrix coordinate；
Step 1.2.3）, the corresponding base station of matrix coordinate is incorporated in the same cluster.
5. the synchronous method according to claim 1 towards the intensive networking in the small stations LTE, which is characterized in that the step 2） In, a cluster is conceptualized as a total indirected graph, base station as the point in figure, weights between two points by synchronize level, SINR is determined；Using reference base station as root node, select optimal path come spanning tree according to maximum weight, until completing figure Traversal, completes the planning in all base station synchronization paths.
CN201810062360.2A 2018-01-23 2018-01-23 Synchronization method for LTE small station-oriented dense networking Active CN108366410B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810062360.2A CN108366410B (en) 2018-01-23 2018-01-23 Synchronization method for LTE small station-oriented dense networking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810062360.2A CN108366410B (en) 2018-01-23 2018-01-23 Synchronization method for LTE small station-oriented dense networking

Publications (2)

Publication Number Publication Date
CN108366410A true CN108366410A (en) 2018-08-03
CN108366410B CN108366410B (en) 2021-06-22

Family

ID=63006577

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810062360.2A Active CN108366410B (en) 2018-01-23 2018-01-23 Synchronization method for LTE small station-oriented dense networking

Country Status (1)

Country Link
CN (1) CN108366410B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110048945A (en) * 2019-04-24 2019-07-23 湖南城市学院 A kind of node mobility cluster-dividing method and system
CN113079540A (en) * 2020-01-06 2021-07-06 大唐移动通信设备有限公司 Method and device for processing downlink data

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017133763A1 (en) * 2016-02-03 2017-08-10 Nokia Solutions And Networks Oy Multiconnectivity cluster
CN107172682A (en) * 2017-07-10 2017-09-15 南京邮电大学 Super-intensive network radio resources distribution method based on dynamic clustering

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017133763A1 (en) * 2016-02-03 2017-08-10 Nokia Solutions And Networks Oy Multiconnectivity cluster
CN107172682A (en) * 2017-07-10 2017-09-15 南京邮电大学 Super-intensive network radio resources distribution method based on dynamic clustering

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LIANG LIANG等: "A Cluster-Based Energy-Efficient Resource Management Scheme for Ultra-Dense Networks", 《IEEE ACCESS》 *
陈偲艺: "基于图论的超密集组网技术研究", 《中国优秀硕士学位论文全文数据库信息科技辑》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110048945A (en) * 2019-04-24 2019-07-23 湖南城市学院 A kind of node mobility cluster-dividing method and system
CN113079540A (en) * 2020-01-06 2021-07-06 大唐移动通信设备有限公司 Method and device for processing downlink data
CN113079540B (en) * 2020-01-06 2022-06-24 大唐移动通信设备有限公司 Method and device for processing downlink data

Also Published As

Publication number Publication date
CN108366410B (en) 2021-06-22

Similar Documents

Publication Publication Date Title
CN103634854B (en) Terminal access method, system and terminal
Yau et al. Clustering algorithms for cognitive radio networks: A survey
CN106465142B (en) Wireless network expansion method and equipment
CN105959954A (en) Pseudo base station identification method, pseudo base station identification device, and terminal
CN110226311A (en) Data grouping routing in remote unit
CN106455050A (en) Bluetooth and Wifi-based indoor positioning method, apparatus and system
WO2016082557A1 (en) Method and system for time-domain interference coordination in heterogeneous network on the basis of user fairness
CN105025497B (en) A kind of network plan method and system
CN104185256B (en) The method that cell searching is carried out in multi-antenna wireless system
US9860008B2 (en) Channel estimation for interference cancellation
WO2017166968A1 (en) Cell handover method and apparatus, and base station device
CN104038995B (en) Distributed dynamic cluster power-economizing method in heterogeneous network
CN108366410A (en) A kind of synchronous method towards the intensive networking in the small stations LTE
CN104038946A (en) Partially-overlapped channel allocation method for multicast of wireless mesh network
CN103178910A (en) Credibility based cognitive radio network stratified cooperative spectrum sensing method
CN105530598B (en) AP selection method based on WLAN indoor positioning
Zhang et al. A multi-objective WLAN planning method
Nielsen et al. Performance enhancements in a frequency hopping GSM network
CN106961697B (en) Wireless sensor network interference area mapping method of distributed architecture
CN103428843B (en) Power coordinating method integrating effectiveness of near field users and effectiveness of distant filed users
Liu et al. Distributed enhanced inter-cell interference coordination (eICIC) in LTE-Advanced HetNets: A potential game approach
CN107592640B (en) Disturbance coordination method in heterogeneous network
CN108738028B (en) Clustering method under ultra-dense networking
CN110035539A (en) One kind being based on the matched resource optimal distribution method of correlated equilibrium regret value and device
CN104754747A (en) Channel allocation method for high-density wireless local area network deployment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant