CN107846271A - Improve the signal transmitting method based on LTE system of link throughput performance - Google Patents
Improve the signal transmitting method based on LTE system of link throughput performance Download PDFInfo
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- CN107846271A CN107846271A CN201710925511.8A CN201710925511A CN107846271A CN 107846271 A CN107846271 A CN 107846271A CN 201710925511 A CN201710925511 A CN 201710925511A CN 107846271 A CN107846271 A CN 107846271A
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- 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
- H04B7/0426—Power distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- 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
- H04B7/0417—Feedback systems
-
- 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
- H04B7/0452—Multi-user MIMO systems
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0066—Requirements on out-of-channel emissions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The signal transmitting method based on LTE system of the raising link throughput performance of the present invention, on the basis of the communication terminal for considering more communication terminal LTE system link evaluated errors and more communication terminal environment is dispatched, the pilot tone iterative estimate of LTE links and the most suitable matching relationship of resource distribution are derived according to more communication terminal LTE capacity, and using the pilot signal for being best suitable for pilot signal power transmitting and base station transmitting antenna number equal amount and carry out data transmitting, the accuracy of link estimation is optimized, improves the throughput performance of LTE links.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of signal transmitting method based on LTE system.
Background technology
LTE (Long Term Evolution, Long Term Evolution) is by 3GPP (The 3rd Generation
Partnership Project, third generation partner program) UMTS (the Universal Mobile that organize to set up
Telecommunications System, UMTS) technical standard Long Term Evolution, exist in December, 2004
Formally set up the project and start in the TSGRAN#26 meetings of 3GPP Toronto.LTE system introduces OFDM (Orthogonal
Frequency Division Multiplexing, OFDM) and MIMO (Multi-Input＆Multi-
Output, multiple-input and multiple-output) etc. crucial lift-off technology, significantly increase spectrum efficiency and data transmission rate (20M bandwidth
For 2X2MIMO in the case of 64QAM, theoretical descending emission maximum speed is 201Mbps, is about after removing signaling consumption
140Mbps, but limited according to actual networking and terminal capability, it is considered that downlink peak rates 100Mbps, upper behavior
50Mbps), and various bandwidth is supported to distribute：1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz etc., and support the whole world
Main flow 2G/3G frequency ranges and some newly-increased frequency ranges, thus frequency spectrum distribution is more flexible, power system capacity and covering are also obviously improved.LTE
SNA more flattening is simplified, and reduces network node and system complexity, so as to reduce Time Delay of Systems,
Reduce network design and maintenance cost.LTE system is supported to interoperate with other 3GPP systems.LTE system has two kinds of standards：
FDD-LTE and TDD-LTE, i.e. FDD LTE system and time division duplex LTE system, the main distinction of the two technology are sky
(as frame structure, time-division design, synchronous etc.) in the physical layer of middle interface.FDD-LTE systems eat dishes without rice or wine up-downgoing transmitting using a pair
Symmetrical UHF band reception and transmitting data, and TDD-LTE system up-downgoing is then sent out using identical frequency range on different time slots
Penetrate, relative to FDD duplex modes, TDD has the higher availability of frequency spectrum.
But in more communication terminal LTE systems, except link evaluated error etc. and single communication terminal LTE system are deposited jointly
The problem of outside, also existing multiple terminals diversity, terminal room interference and the multiple terminals scheduling of more communication terminal LTE systems in itself
The problems such as, this cause from single communication terminal LTE system analyze in obtained pilot tone iterative estimate and resource distribution it is most suitable
Close matching relationship and be not particularly suited for more communication terminal LTE systems, so leading for more communication terminal LTE system broadcasts links
Frequency iterative estimate and the most suitable matching relationship of resource distribution are to be worth research.
The content of the invention
The purpose of the present invention is achieved through the following technical solutions.
According to the embodiment of the present invention, it is proposed that a kind of signal transmitting method based on LTE system, methods described include
Step：
S1, under the conditions of link Rayleigh fading, preset in a packet that at most transmitting symbolic number T are more than the hairs of base station
Antenna number M is penetrated, base station determines to be best suitable for pilot signal according to pilot tone iterative estimate and the most suitable matching relationship of resource distribution
PowerLaunch M pilot signal to the communication terminal of only one reception antenna.
S2, communication terminal, which utilize, enters line link estimation to the receiving matrix of pilot signal.
Communication terminal number K is not less than base station transmitting antenna number M in S3, predetermined system, and base station returns according to communication terminal
The communication termination-link information returned, launch the selection of communication terminal group.
S4, T-M data are launched with system data power P d for M selected transmitting communication terminal in notebook data bag
Symbol.
According to the embodiment of the present invention, the S1 according to the most suitable matching of pilot tone iterative estimate and resource distribution close
System determines that being best suitable for pilot signal power includes：
When at most transmitting symbolic number T meets M ＜ T ＜ 2M-1 in a packet, pilot signal power is best suitable for
In formula, P is to count uniform emission power, procedure parameter
Launch pilot signal
According to the embodiment of the present invention, the S1 according to the most suitable matching of pilot tone iterative estimate and resource distribution close
System determines that being best suitable for pilot signal power includes：
When at most transmitting symbolic number T meets T=2M-1 in a packet, pilot signal power is best suitable for
In formula, P is to count uniform emission power, procedure parameter
Launch pilot signal
According to the embodiment of the present invention, the S1 according to the most suitable matching of pilot tone iterative estimate and resource distribution close
System determines that being best suitable for pilot signal power includes：
When at most transmitting symbolic number T meets T ＞ 2M in a packet, pilot signal power is best suitable for
In formula, P is to count uniform emission power, procedure parameter
Launch pilot signal
According to the embodiment of the present invention, the communication terminal of the S2 utilizes enters line link to the receiving matrix of pilot signal
Estimation specifically includes：
If communication terminal number is K in system, any communication terminal k therein link shock response is hk=[hk1,
hk2..., hkM], white Gaussian noise nk=[nk1, nk2..., nkM], the receiving matrix for pilot signal is：
It is communication terminal k link informations to obtain link estimated result：
And return it into base station.
According to the embodiment of the present invention, the communication termination-link that the base station of the S3 returns according to communication terminal is believed
Breath, launch the selection of communication terminal group, specifically include：
S31, initialization wait communication terminal group Γ 1={ 1 ..., K }, select first transmitting communication terminal
Transmitting communication terminal identification number i=2 is set；
S32, adjustment wait communication terminal group,
Wherein ε=0.4,Represent the link information of n-th of transmitting communication terminal；
I-th S33, selection of transmitting communication terminal
Adjustment transmitting communication terminal identification number i=i+1；If i ＜ M, step S32 is performed；
S34, the transmitting communication terminal group finally determined are { π (1) ..., π (M) }, the transmitting communication terminal number selected
It is equal with base station transmitting antenna number M；
According to the embodiment of the present invention, the system data power of the S4
The signal transmitting method based on LTE system of the present invention, missed considering more communication terminal LTE system link estimations
On the basis of the communication terminal scheduling of poor and more communication terminal environment, LTE links are derived according to more communication terminal LTE capacity
Pilot tone iterative estimate and resource distribution most suitable matching relationship, and using be best suitable for pilot signal power transmitting and base station
The pilot signal of transmitting antenna number equal amount simultaneously carries out data transmitting, optimizes the accuracy of link estimation, improves LTE chains
The throughput performance on road.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Accompanying drawing 1 shows the signal transmitting method flow chart based on LTE system according to embodiment of the present invention.
Embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although this public affairs is shown in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these embodiments are to be able to be best understood from the disclosure, and can be by this public affairs
The scope opened completely is communicated to those skilled in the art.
According to the embodiment of the present invention, it is proposed that a kind of signal transmitting method based on LTE system, as shown in Figure 1,
Methods described includes step：
S1, under the conditions of link Rayleigh fading, preset in a packet that at most transmitting symbolic number T are more than the hairs of base station
Antenna number M is penetrated, base station determines to be best suitable for pilot signal according to pilot tone iterative estimate and the most suitable matching relationship of resource distribution
PowerLaunch M pilot signal to the communication terminal of only one reception antenna.
It is described to determine to be best suitable for pilot signal power according to pilot tone iterative estimate and the most suitable matching relationship of resource distribution
Including：
When at most transmitting symbolic number T meets M ＜ T ＜ 2M-1 in a packet, pilot signal power is best suitable for
In formula, P is to count uniform emission power, procedure parameter
Launch pilot signal
When at most transmitting symbolic number T meets T=2M-1 in a packet, pilot signal power is best suitable for
In formula, P is to count uniform emission power, procedure parameter
Launch pilot signal
When at most transmitting symbolic number T meets T ＞ 2M in a packet, pilot signal power is best suitable for
In formula, P is to count uniform emission power, procedure parameter
Launch pilot signal
S2, communication terminal, which utilize, enters line link estimation to the receiving matrix of pilot signal：
If communication terminal number is K in system, any communication terminal k therein link shock response is hk=[hk1,
hk2..., hkM], white Gaussian noise nk=[nk1, nk2..., nkM], the receiving matrix for pilot signal is：
It is communication terminal k link informations to obtain link estimated result：
And return it into base station；
Communication terminal number K is not less than base station transmitting antenna number M in S3, predetermined system, and base station returns according to communication terminal
The communication termination-link information returned, launch the selection of communication terminal group, specifically include step：
S31, initialization wait communication terminal group Γ 1={ 1 ..., K }, select first transmitting communication terminal
Transmitting communication terminal identification number i=2 is set；
S32, adjustment wait communication terminal group,
Wherein ε=0.4,
Represent the link information of n-th of transmitting communication terminal；
I-th S33, selection of transmitting communication terminal
Adjustment transmitting communication terminal identification number i=i+1；If i ＜ M, step S32 is performed；
S34, the transmitting communication terminal group finally determined are { π (1) ..., π (M) }, the transmitting communication terminal number selected
It is equal with base station transmitting antenna number M；
S4, T-M data are launched with system data power P d for M selected transmitting communication terminal in notebook data bag
Symbol, the system data power
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should the protection model with claim
Enclose and be defined.
Claims (2)
1. a kind of signal transmitting method based on LTE system for improving link throughput performance, including step：
S1, under the conditions of link Rayleigh fading, preset in a packet that at most transmitting symbolic number T are more than the transmitting days of base station
Line number M, base station determine to be best suitable for pilot signal power according to pilot tone iterative estimate and the most suitable matching relationship of resource distributionLaunch M pilot signal to the communication terminal of only one reception antenna.
S2, communication terminal, which utilize, enters line link estimation to the receiving matrix of pilot signal.
Communication terminal number K is not less than base station transmitting antenna number M in S3, predetermined system, and base station returns according to communication terminal
Communication termination-link information, launch the selection of communication terminal group.
S4, in notebook data bag for M selected transmitting communication terminal with system data power PdLaunch T-M data symbol；
The S1's determines to be best suitable for pilot signal power according to pilot tone iterative estimate and the most suitable matching relationship of resource distribution
Including：
When at most transmitting symbolic number T meets T=2M-1 in a packet, pilot signal power is best suitable for
In formula, P is to count uniform emission power, procedure parameter
Launch pilot signal
2. the method as described in claim 1, the communication terminal of the S2 utilizes enters line link to the receiving matrix of pilot signal
Estimation specifically includes：
If communication terminal number is K in system, any communication terminal k therein link shock response is hk=[hk1, hk2...,
hkM], white Gaussian noise nk=[nk1, nk2..., nkM], the receiving matrix for pilot signal is：
It is communication terminal k link informations to obtain link estimated result：
And return it into base station；
The communication termination-link information that the base station of the S3 returns according to communication terminal, launch the choosing of communication terminal group
Select, specifically include：
S31, initialization wait communication terminal group Γ1={ 1 ..., K }, select first transmitting communication terminal
Transmitting communication terminal identification number i=2 is set；
S32, adjustment wait communication terminal group,
Wherein ε=0.4,Represent the link information of n-th of transmitting communication terminal；
I-th S33, selection of transmitting communication terminal
Adjustment transmitting communication terminal identification number i=i+1；If i ＜ M, step S32 is performed；
S34, the transmitting communication terminal group finally determined are { π (1) ..., π (M) }, the transmitting communication terminal number and base selected
Platform transmitting antenna number M is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710925511.8A CN107846271B (en) | 2014-12-16 | 2014-12-16 | Signal transmitting method based on LTE system for improving link throughput performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710925511.8A CN107846271B (en) | 2014-12-16 | 2014-12-16 | Signal transmitting method based on LTE system for improving link throughput performance |
| CN201410782981.XA CN104539566B (en) | 2014-12-16 | 2014-12-16 | A kind of signal transmitting method based on LTE system |
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| CN201410782981.XA Division CN104539566B (en) | 2014-12-16 | 2014-12-16 | A kind of signal transmitting method based on LTE system |
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| CN107846271A true CN107846271A (en) | 2018-03-27 |
| CN107846271B CN107846271B (en) | 2021-02-26 |
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| CN201710810640.2A Active CN107395257B (en) | 2014-12-16 | 2014-12-16 | LTE-based system and signal transmitting method thereof |
| CN201410782981.XA Expired - Fee Related CN104539566B (en) | 2014-12-16 | 2014-12-16 | A kind of signal transmitting method based on LTE system |
| CN201710925511.8A Active CN107846271B (en) | 2014-12-16 | 2014-12-16 | Signal transmitting method based on LTE system for improving link throughput performance |
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| CN201410782981.XA Expired - Fee Related CN104539566B (en) | 2014-12-16 | 2014-12-16 | A kind of signal transmitting method based on LTE system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003069618A (en) * | 2001-08-27 | 2003-03-07 | Yrp Mobile Telecommunications Key Tech Res Lab Co Ltd | Packet communication device |
| CN1946001A (en) * | 2005-10-05 | 2007-04-11 | 中兴通讯股份有限公司 | Method and system for realizing down link self adaption in multiple users multiple input and multiple output |
| CN101394213A (en) * | 2007-09-19 | 2009-03-25 | 中兴通讯股份有限公司 | Multi-antenna communication method for time division duplexing mode frequency division multiplexing system |
| CN101557364A (en) * | 2009-05-12 | 2009-10-14 | 山东大学 | Joint-iterative channel estimation and decoding method of Turbo-OvCDM system |
| CN102300299A (en) * | 2010-06-24 | 2011-12-28 | 华为技术有限公司 | Method and equipment for sending pilot signals |
| CN103532689A (en) * | 2012-07-05 | 2014-01-22 | 华为技术有限公司 | Multi-user multiple-input-multiple-output pilot and data transmission method, device and system |
| CN103813399A (en) * | 2012-11-14 | 2014-05-21 | 中国移动通信集团公司 | Method for selecting community by terminal and terminal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158459B (en) * | 2011-05-13 | 2013-08-07 | 清华大学 | OFDM (Orthogonal Frequency Division Multiplexing) block transmission method based on time-frequency two-dimension training information |
| CN102271026B (en) * | 2011-07-27 | 2013-11-27 | 东南大学 | Closed-loop self-adaptive transmission method used for uplink of advanced long-term evolution system |
| US8798633B2 (en) * | 2012-08-22 | 2014-08-05 | Intel Corporation | Positioning-assisted cell selection and handover for LTE |
| CN103945392A (en) * | 2014-05-12 | 2014-07-23 | 东南大学 | Relay directional configuration combined frequency division multiplexing method facing long term evolution-advanced (LTE-A) |
-
2014
- 2014-12-16 CN CN201710810640.2A patent/CN107395257B/en active Active
- 2014-12-16 CN CN201410782981.XA patent/CN104539566B/en not_active Expired - Fee Related
- 2014-12-16 CN CN201710925511.8A patent/CN107846271B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003069618A (en) * | 2001-08-27 | 2003-03-07 | Yrp Mobile Telecommunications Key Tech Res Lab Co Ltd | Packet communication device |
| CN1946001A (en) * | 2005-10-05 | 2007-04-11 | 中兴通讯股份有限公司 | Method and system for realizing down link self adaption in multiple users multiple input and multiple output |
| CN101394213A (en) * | 2007-09-19 | 2009-03-25 | 中兴通讯股份有限公司 | Multi-antenna communication method for time division duplexing mode frequency division multiplexing system |
| CN101557364A (en) * | 2009-05-12 | 2009-10-14 | 山东大学 | Joint-iterative channel estimation and decoding method of Turbo-OvCDM system |
| CN102300299A (en) * | 2010-06-24 | 2011-12-28 | 华为技术有限公司 | Method and equipment for sending pilot signals |
| CN103532689A (en) * | 2012-07-05 | 2014-01-22 | 华为技术有限公司 | Multi-user multiple-input-multiple-output pilot and data transmission method, device and system |
| CN103813399A (en) * | 2012-11-14 | 2014-05-21 | 中国移动通信集团公司 | Method for selecting community by terminal and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104539566B (en) | 2017-12-15 |
| CN107395257B (en) | 2020-10-30 |
| CN107395257A (en) | 2017-11-24 |
| CN104539566A (en) | 2015-04-22 |
| CN107846271B (en) | 2021-02-26 |
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