CN110381512A - A kind of LTE mobile communication inter-frequency networking method - Google Patents
A kind of LTE mobile communication inter-frequency networking method Download PDFInfo
- Publication number
- CN110381512A CN110381512A CN201910646635.1A CN201910646635A CN110381512A CN 110381512 A CN110381512 A CN 110381512A CN 201910646635 A CN201910646635 A CN 201910646635A CN 110381512 A CN110381512 A CN 110381512A
- Authority
- CN
- China
- Prior art keywords
- bandwidth
- frequency
- networking
- network
- lte
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
Abstract
The invention discloses a kind of LTE mobile communication inter-frequency networking method, include the following steps: 1), setting obtain reference center's frequency point of different bandwidth system in same frequency band；2) it, is directed to mixed-bandwidth group web area, by modifying the network configuration parameters of small bandwidth or big bandwidth, the reference center's frequency point for the bandwidth system network disposed will be needed to be consistent, realize the LTE network identical networking with frequency band different bandwidth；Wherein mixed-bandwidth group web area refers to overlapping region or the mixed networking whole region of small bandwidth and big bandwidth.The present invention realizes LTE wireless network performance quality General Promotion, time delay sensitive traffic is improved significantly, inter-frequency networking conventional method is compared, same frequency service switching is used to substitute alien frequencies handoff technique, it realizes that service-aware is more excellent, is provided simultaneously with the technical benefits advantages such as network configuration is simple, deployment is flexible.
Description
Technical field
The present invention relates to mobile communication networking technology fields, more particularly to a kind of LTE mobile communication inter-frequency networking method.
Background technique
LTE system supports channel width flexibility and changeability, has 6 kinds can configure, and is 1.4MHz, 3MHz, 5MHz respectively,
10MHz, 15MHz, 20MHz.Lower bandwidth is 1.4MHz and 3MHz, can be convenient the frequency spectrum that CDMA2000 is used and moves to
LTE, while helping to promote the migration of GSM and TD-SCDMA to LTE.Different bandwidth uses different sampling point rate and IFFT, no
Homologous ray bandwidth becomes different wireless access technologys.
The purpose of regulation various bandwidth is the usage scenario in order to adapt to different frequency.Pass through frequency band Band, channel width
Bandwidth and carrier frequency Fc these three values, so that it may uniquely determine the specific frequency range of LTE system.Due to carrier frequency
Rate Fc is a floating point values, compared with shaping type, is not used on air interface transmission, therefore when agreement is formulated, use load
Wave frequency point number indicates corresponding carrier frequency Fc.Carrier frequency point number, is called EARFCN, and full name is E-UTRA Absolute
Radio Frequency Channel Number, Absolute Radio Frequency Channel number indicate that range is 0- using 16bit
65535。
In 2005,3GPP tissue unified the sample rate and FFT points of 6 kinds of bandwidth, carried multiple loads with an IFFT
Wave realizes the combining of multicarrier in base band.This scheme is although extremely simple, but greatlies simplify the structure of transmitter, mentions
The scheme that the carrier aggregation technology that the scale effect and LTE-A of high industry propose must use, the influence to LTE industry
It is extremely huge.But under new technical conditions, without it is further proposed that the new inter-frequency networking method of different system bandwidth.
It is the basis of entire LTE network framework based on OFDM technology.Because the existing codes and standards of 3GPP influence, different bandwidth
Mixing overlapping networking may break the orthogonality of ring LTE network frequency spectrum RE subcarrier, will affect LTE network performance in this way.LTE net
The existing specification of network is that more bandwidth system alien frequencies flower arrangement networkings are realized by alien frequencies technology networking, and Radio Service Mobility usually requires
Switched by alien frequencies and is realized.And there are switch speeds that slow, mobile service easily goes offline, perceives the problems such as difference for alien frequencies switching, especially
Delay sensitive business is especially prominent, such as Volte voice, game, control etc..
For above situation, for the defect for overcoming the prior art, the invention proposes LTE new network technologies, propose one
New LTE mobile communication does not need base station and system hardware and software more with the inter-frequency networking method of frequency band difference system bandwidth
Newly.
Summary of the invention
For above situation, for the defect for overcoming the prior art, purpose of the present invention is to provide a kind of LTE mobile communication
Inter-frequency networking method.
Its technical solution solved is: a kind of LTE mobile communication inter-frequency networking method includes the following steps:
1) reference center's frequency point with different bandwidth system in frequency band, is set；
2) it, is directed to mixed-bandwidth group web area, deployment different bandwidth grid realizes LTE network identical networking；Wherein mix
Sets of bandwidths web area refers to overlapping region or the mixed networking whole region of small bandwidth and big bandwidth.
Different bandwidth grid is disposed in the step 2 specifically: modify the network configuration ginseng of small bandwidth or big bandwidth
Number will need the reference center's frequency point for the different bandwidth system networks disposed to be consistent, realize with frequency band different bandwidth
LTE network identical networking.
By above technical scheme, the invention has the benefit that
The present invention makes reference center's frequency point pair of different bandwidth network by reference center's frequency point of modification different bandwidth network
Together, that is, the LTE network identical networking of same frequency band different bandwidth is realized, to realize system spectrum time-frequency structure plesiochronousization.
The present invention does not need the update of base station system hardware and software, has the technical advantage and economic value being simple and efficient.At LTE more
When different bandwidth carrier wave coexists, networking is carried out by the way of the switching of same frequency, it is slow to eliminate alien frequencies service switching bring time delay,
Perceive poor problem；LTE system co-channel interference is significantly reduced by different bandwidth system time frequency structure plesiochronousization, is especially solved
PUCCH channel high power of having determined greatly improves RACH and is successfully accessed rate and the company of RRC to RACH channel symbol position interference problem
It is connected into power.
In short, the present invention realizes wireless network performance quality General Promotion, time delay sensitive traffic is improved significantly, is compared
The conventional method of inter-frequency networking substitutes alien frequencies handoff technique using same frequency service switching, realizes that service-aware is more excellent, is provided simultaneously with
The technical benefits advantages such as network configuration is simple, deployment is flexible.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is the embodiment profile instance by taking frequency band 3 as an example.
Fig. 3 is embodiment downlink LTE carrier wave frequency domain position view.
Fig. 4 is embodiment uplink LTE carrier wave frequency domain position view.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 4
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
As shown in Figure 1, it is described that specific step is as follows the invention discloses a kind of LTE mobile communication inter-frequency networking method:
1) reference center's frequency point (EARFCN) with different bandwidth system in frequency band, is set；
2) it, is directed to mixed-bandwidth group web area, deployment different bandwidth system realizes LTE network identical networking, and specifically: modification is small
Reference center's frequency point of different bandwidth network is consistent, realizes same frequency band by the network configuration parameters of bandwidth or big bandwidth
The LTE network identical networking of different bandwidth.Wherein mixed-bandwidth group web area refer to small bandwidth and big bandwidth overlapping region or
Mixed networking whole region.
As shown in figs 2-4, herein by LTE frequency band 3(1800M) for the present embodiment is described in detail, LTE frequency band
3 refer to that FDD standard, upstream band include 1710-1185MHz, and downstream bands include 1805-1880MHz
Such as a kind of situation is in this way: certain telecom operators only has the radio band authorization of 15MHz initial stage, and the later period achieves
20HMZ frequency band newly authorizes.The legacy network equipment that is 15M bandwidth so gradually needs to invest the new network for transforming 20MHz as.
For other scenes there are also such situation, there is the radio band authorization of 10 or 20MHz in certain telecom operators, but is in
Reasons, the networking initial stages such as plan have only used 5M or 10M, then gradually evolve to the network of 10M or 20M bandwidth.Thus deposit
Need a variety of situations of mixed networking that may combine in different size bandwidth.
As shown in Fig. 2, being illustrated by taking the identical networking of the 15M and 20M bandwidth of frequency band 3 as an example: setting 15M bandwidth first
As long as the reference center frequency point EARFCN that the former base true centric frequency point EARFCN of network is 1825,20M broadband network is 1850(frequency
Rate has determined that center frequency point is assured that by frequency and bandwidth).
Down channel configuration example: if it is desired to 15M broadband network is configured to 20M bandwidth common-frequency network, then network is needed
The center frequency point 1825 of 15M network is modified as 1850, LTE carrier wave frequency domain position as shown in figure 3, i.e. by 15M bandwidth by operator
Reference center's frequency point of network is aligned with reference center's frequency point of 20M broadband network, to realize the LTE with frequency band different bandwidth
Network common frequency networking.
Up channel configuration example: if it is desired to 15M broadband network is configured to 20M bandwidth common-frequency network, then by 15M bandwidth
The former base true centric frequency point 19825 of network is modified as 19850, LTE carrier wave frequency domain position as shown in figure 4, i.e. by 15M broadband network
New reference center's frequency point is aligned with reference center's frequency point of 20M broadband network, to realize the LTE net with frequency band different bandwidth
Network identical networking.
Because of certain reasons, it is sometimes desirable to 20M broadband network are deployed to 15M broadband network, then the center frequency of 20M network
Point 1850 is constant, and bandwidth parameter, which is modified as 15M from 20M, can realize the LTE network identical networking of same frequency band different bandwidth.
It is same to realize different bandwidth system by the way that the center frequency point of the different bandwidths system such as 15M and 20M is aligned by the present invention
When exist, the system design for generally having to inter-frequency networking realization is become same display system, simple identical networking is realized, realizes and use
Family the whole network perception one is thrown the net, and alien frequencies service switching becomes switching with frequency, directly reduction service delay, while improving network entirety
System performance.
Similarly, the other similar scene such as frequency band 5, N(N are less than 6 positive integer) a different bandwidth (1.4MHz, 3MHz,
5MHz, 10MHz, 15MHz, 20MHz) system group network when can also use the above method, i.e., will be in the benchmark of different bandwidth network
Heart frequency point is consistent, for example, reference center's frequency point of 5M broadband network and 10M broadband network is revised as 10M band wide screen
The center frequency point of network is consistent their reference center's frequency point, to realize 5M broadband network and 10M broadband network with frequency
Networking, to realize that network structure is simplified and wireless system performance is promoted.
Plesiochronous, the quasi synchronous different bandwidth system that realizes frequency spectrum time-frequency structure with frequency band different bandwidth system same frequency networking
The time-frequency structure of system significantly reduces LTE system co-channel interference, especially solves PUCCH channel high power and accords with to RACH channel
Number position interference problem, greatly improve that RACH is successfully accessed rate and RRC connects into power.
In conclusion the present invention when the multiple and different bandwidth of LTE coexist, carries out networking by the way of the switching of same frequency, disappears
In addition to alien frequencies service switching bring time delay is slow, poor problem is perceived, wireless network performance quality General Promotion is realized, to time delay
Sensitive traffic improves significantly, and it is excellent to have the technical benefits such as network configuration is simple, deployment is flexible compared to the conventional method of inter-frequency networking
Gesture.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (2)
1. a kind of LTE mobile communication inter-frequency networking method, characterized by the following steps:
1) reference center's frequency point with different bandwidth system in frequency band, is set；
2) it, is directed to mixed-bandwidth group web area, deployment different bandwidth grid realizes LTE network identical networking；Wherein mix
Sets of bandwidths web area refers to overlapping region or the mixed networking whole region of small bandwidth and big bandwidth.
2. LTE mobile communication inter-frequency networking method according to claim 1, it is characterised in that: disposed in the step 2
Different bandwidth grid specifically: modify the network configuration parameters of small bandwidth or big bandwidth, i.e., will need to dispose different
Reference center's frequency point of bandwidth system network is consistent, and realizes the LTE network identical networking with frequency band different bandwidth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223666 | 2019-03-22 | ||
| CN2019102236666 | 2019-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110381512A true CN110381512A (en) | 2019-10-25 |
Family
ID=68253706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910646635.1A Pending CN110381512A (en) | 2019-03-22 | 2019-07-17 | A kind of LTE mobile communication inter-frequency networking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110381512A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011162537A2 (en) * | 2010-06-21 | 2011-12-29 | Samsung Electronics Co., Ltd. | Method and system of aggregating component carriers across frequency bands |
| CN102386989A (en) * | 2010-08-31 | 2012-03-21 | 中国移动通信集团公司 | Frequency multiplexing networking method and system |
| CN103491047A (en) * | 2013-09-17 | 2014-01-01 | 华为技术有限公司 | Transmitting end, receiving end, and single carrier system and multi-carrier system coexisting method |
-
2019
- 2019-07-17 CN CN201910646635.1A patent/CN110381512A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011162537A2 (en) * | 2010-06-21 | 2011-12-29 | Samsung Electronics Co., Ltd. | Method and system of aggregating component carriers across frequency bands |
| CN102386989A (en) * | 2010-08-31 | 2012-03-21 | 中国移动通信集团公司 | Frequency multiplexing networking method and system |
| CN103491047A (en) * | 2013-09-17 | 2014-01-01 | 华为技术有限公司 | Transmitting end, receiving end, and single carrier system and multi-carrier system coexisting method |
Non-Patent Citations (1)
| Title |
|---|
| 彭东升 等: "L800M非协议带宽的网络部署研究", 《通信技术》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11729703B2 (en) | Communication system for communicating minimum system information | |
| CN104823496B (en) | The method and its equipment of synchronization signal are sent/received in a wireless communication system | |
| CN106160964B (en) | Carrier aggregation configuration method and device based on multi-band capability | |
| CN110383718A (en) | By the method for supporting the terminal of the dual link between E-UTRA and NR to send and receive signal and the terminal for executing this method | |
| JP6042127B2 (en) | Mobile terminal apparatus and base station apparatus | |
| CN103684723A (en) | Method for operating a transceiver circuit and transceiver circuit | |
| EP2497222A2 (en) | Signaling for flexible carrier aggregation | |
| JP2020535713A (en) | Methods and devices for configuring PRB grids in wireless communication systems | |
| US11750355B2 (en) | Base station, terminal, and communication method | |
| CN110169165B (en) | Terminal, wireless communication method and system | |
| US20210084653A1 (en) | Resource configuration method, network device, and terminal | |
| WO2022084955A1 (en) | L1/l2-centric mobility - neighbour cell measurements | |
| CN113966639A (en) | Parameter override rules for multiple SPS/CG configurations | |
| US20130272280A1 (en) | Inter-System Carrier Aggregation | |
| US8843145B2 (en) | Method and apparatus for transmitting data using guard physical resource units in multiple-carrier system | |
| JP7467121B2 (en) | Terminal, base station, wireless communication method and system | |
| CN110381512A (en) | A kind of LTE mobile communication inter-frequency networking method | |
| WO2022190379A1 (en) | Terminal and communication method | |
| CN106162653B (en) | Method and device for realizing same-frequency networking of different systems | |
| WO2020235133A1 (en) | Terminal | |
| CN107205235B (en) | Method and system for realizing improved TDD-LTE (time division duplex-long term evolution) central direct current subcarrier | |
| JP2023126978A (en) | Base station, communication method, and integrated circuit | |
| CN114586432A (en) | Terminal device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |
|
| RJ01 | Rejection of invention patent application after publication |