CN106254037A - A kind of information transceiving method and device - Google Patents
A kind of information transceiving method and device Download PDFInfo
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- CN106254037A CN106254037A CN201610702352.0A CN201610702352A CN106254037A CN 106254037 A CN106254037 A CN 106254037A CN 201610702352 A CN201610702352 A CN 201610702352A CN 106254037 A CN106254037 A CN 106254037A
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- 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
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of information transceiving method, including: (1) obtains modulation symbol sequence and sub-spreading code set；(2) on the code channel corresponding to each spread spectrum code in described sub-spreading code set, the described modulation symbol sequence of transmission carries out Scrambling Operation, it is thus achieved that scrambled signals, in described scrambled signals, the spreading rate of scrambler is V；(3) described scrambled signals is spread, obtain echo signal；(4) described echo signal is sent；Wherein, described sub-spreading code set is the subset of main spreading code set, in arbitrary spread spectrum code of described sub-spreading code set, from first chip, the most adjacent N number of chip is one group, and the chip value that often the N number of chip in group is corresponding is identical, wherein, N=U/V, U are the spreading rate of arbitrary spread spectrum code in described main spreading code set, and V is the spreading rate of arbitrary spread spectrum code in described sub-spreading code set.Also has information transceiving device.
Description
Technical field
The present invention relates to the technical field of power communication, particularly relate to a kind of information transceiving method, and information transmit-receive dress
Put.
Background technology
Along with progress and the development of science and technology, power communication industry has also welcome high speed development.But, due to the communication resource
Growing tension, scientific research personnel has been placed on research direction and how can work in less system bandwidth.
In current power communication, based on WCDMA mobile communication system (Wideband Code Division
Multiple Access, i.e. WCDMA) UMTS (Universal Mobile
Telecommunications System, i.e. UMTS) global system for mobile communications (Global System for can be used
Mobile Communications, i.e. GSM) frequency resource reforming out through frequency spectrum, this is an important research class
Topic.
Summary of the invention
For overcoming the defect of prior art, the technical problem to be solved in the present invention there is provided a kind of information transceiving method,
It makes the frequency resource that UMTS based on WCDMA can use GSM to reform out through frequency spectrum, it is achieved little bandwidth communication, and
And process workload greatly reduces.
The technical scheme is that this information transceiving method, the method comprises the following steps:
(1) modulation symbol sequence and sub-spreading code set are obtained；
(2) on the code channel corresponding to each spread spectrum code in described sub-spreading code set, the described modulation symbol sequence of transmission enters
Row Scrambling Operation, it is thus achieved that scrambled signals, in described scrambled signals, the spreading rate of scrambler is V；
(3) described scrambled signals is spread, obtain echo signal；
(4) described echo signal is sent；
Wherein, described sub-spreading code set is the subset of main spreading code set, in arbitrary spread spectrum code of described sub-spreading code set, from
First chip starts, and the most adjacent N number of chip is one group, and the chip value that often the N number of chip in group is corresponding is identical, wherein, and N
=U/V, U are the spreading rate of arbitrary spread spectrum code in described main spreading code set, and V is arbitrary spread spectrum code in described sub-spreading code set
Spreading rate.
The present invention spreads the modulation symbol sequence of transmission on the code channel that code is corresponding by each in antithetical phrase spreading code set and enters
Row Scrambling Operation, it is thus achieved that scrambled signals, more described scrambled signals is spread, obtain echo signal, relative to using main expansion
Bandwidth U of the signal that frequency code collection spread spectrum obtains, bandwidth V of this echo signal reduces N times, it is achieved that little bandwidth communication；
And first scramble and spread again so that scrambling workload relative to first spread scramble again much smaller.
Additionally providing a kind of information transceiving device, this device includes:
Acquisition module, its configuration obtains modulation symbol sequence and sub-spreading code set；
Scrambling module, its configuration comes on the code channel corresponding to each spread spectrum code in described sub-spreading code set
The described modulation symbol sequence of transmission carries out Scrambling Operation, it is thus achieved that scrambled signals, and described scrambling is believed
In number, the spreading rate of scrambler is V；
Spread spectrum module, described scrambled signals is spread by its configuration, obtains echo signal；
Sending module, its configuration sends described echo signal；
Wherein, described sub-spreading code set is the subset of main spreading code set, in arbitrary spread spectrum code of described sub-spreading code set, from
First chip starts, and the most adjacent N number of chip is one group, and the chip value that often the N number of chip in group is corresponding is identical, wherein, and N
=U/V, U are the spreading rate of arbitrary spread spectrum code in described main spreading code set, and V is arbitrary spread spectrum code in described sub-spreading code set
Spreading rate.
Accompanying drawing explanation
Fig. 1 show the flow chart of the information transceiving method according to the present invention.
Detailed description of the invention
As it is shown in figure 1, this information transceiving method, the method comprises the following steps:
(1) modulation symbol sequence and sub-spreading code set are obtained；
(2) on the code channel corresponding to each spread spectrum code in described sub-spreading code set, the described modulation symbol sequence of transmission enters
Row Scrambling Operation, it is thus achieved that scrambled signals, in described scrambled signals, the spreading rate of scrambler is V；
(3) described scrambled signals is spread, obtain echo signal；
(4) described echo signal is sent；
Wherein, described sub-spreading code set is the subset of main spreading code set, in arbitrary spread spectrum code of described sub-spreading code set, from
First chip starts, and the most adjacent N number of chip is one group, and the chip value that often the N number of chip in group is corresponding is identical, wherein, and N
=U/V, U are the spreading rate of arbitrary spread spectrum code in described main spreading code set, and V is arbitrary spread spectrum code in described sub-spreading code set
Spreading rate.
The present invention spreads the modulation symbol sequence of transmission on the code channel that code is corresponding by each in antithetical phrase spreading code set and enters
Row Scrambling Operation, it is thus achieved that scrambled signals, more described scrambled signals is spread, obtain echo signal, relative to using main expansion
Bandwidth U of the signal that frequency code collection spread spectrum obtains, bandwidth V of this echo signal reduces N times, it is achieved that little bandwidth communication；
And first scramble and spread again so that scrambling workload relative to first spread scramble again much smaller.
It addition, described sub-spreading code set is that radio network controller is indicated by high-level signaling.
Further, also included before described step (1): receive the high-rise letter that described radio network controller issues
Order, obtains described sub-spreading code set by described high-level signaling.
Further, described main spreading code set is Orthogonal Variable Spreading Factor OVSF OVSF all-key tree, described sub-spreading code set
It it is the subcode tree of this spreading code set.
It addition, also include between described step (3) and (4): be filtered described echo signal processing, at described filtering
Reason includes root cosine RRC Filtering Processing and radio frequency Filtering Processing, and the bandwidth of described Filtering Processing is Y.
Further, the method also includes: send instruction information, and it is for indicating in the described sub-spreading code set of use
The code channel that one or more spread spectrum codes are corresponding sends high-speed downlink packet access HSDPA, the channel code in described instruction information
The code channel subset of arbitrary continuation is concentrated for the code channel indicating described sub-spreading code set corresponding in collection information CCS territory, road.
It will appreciated by the skilled person that all or part of step realizing in above-described embodiment method is permissible
Instructing relevant hardware by program to complete, described program can be stored in a computer read/write memory medium,
Upon execution, including each step of above-described embodiment method, and described storage medium may is that ROM/RAM, magnetic to this program
Dish, CD, storage card etc..Therefore, corresponding with the method for the present invention, the present invention includes a kind of information transmit-receive dress the most simultaneously
Putting, this device generally represents with the form of the corresponding functional module of step each with method.Use the device of the method, its bag
Include:
Acquisition module, its configuration obtains modulation symbol sequence and sub-spreading code set；
Scrambling module, its configuration comes described in transmission on each spread spectrum code channel corresponding to code in described sub-spreading code set
Modulation symbol sequence carries out Scrambling Operation, it is thus achieved that scrambled signals, and in described scrambled signals, the spreading rate of scrambler is V；
Spread spectrum module, described scrambled signals is spread by its configuration, obtains echo signal；
Sending module, its configuration sends described echo signal；
Wherein, described sub-spreading code set is the subset of main spreading code set, in arbitrary spread spectrum code of described sub-spreading code set, from
First chip starts, and the most adjacent N number of chip is one group, and the chip value that often the N number of chip in group is corresponding is identical, wherein, and N
=U/V, U are the spreading rate of arbitrary spread spectrum code in described main spreading code set, and V is arbitrary spread spectrum code in described sub-spreading code set
Spreading rate.
It addition, described sub-spreading code set is that radio network controller is indicated by high-level signaling.
Further, this device also includes:
Receiver module, its configuration receives the high-level signaling that described radio network controller issues；
Described acquisition module obtains described sub-spreading code set by described high-level signaling.
Further, described main spreading code set is Orthogonal Variable Spreading Factor OVSF OVSF all-key tree, described sub-spreading code set
It it is the subcode tree of this spreading code set.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, every depends on
Any simple modification, equivalent variations and the modification made above example according to the technical spirit of the present invention, the most still belongs to the present invention
The protection domain of technical scheme.
Claims (10)
1. an information transceiving method, it is characterised in that: the method comprises the following steps:
(1) modulation symbol sequence and sub-spreading code set are obtained；
(2) on the code channel corresponding to each spread spectrum code in described sub-spreading code set, the described modulation symbol sequence of transmission adds
Disturbing operation, it is thus achieved that scrambled signals, in described scrambled signals, the spreading rate of scrambler is V；
(3) described scrambled signals is spread, obtain echo signal；
(4) described echo signal is sent；
Wherein, described sub-spreading code set is the subset of main spreading code set, in arbitrary spread spectrum code of described sub-spreading code set, from first
Individual chip starts, and the most adjacent N number of chip is one group, and the chip value that often the N number of chip in group is corresponding is identical, wherein, and N=U/
V, U are the spreading rate of arbitrary spread spectrum code in described main spreading code set, and V is the chip of arbitrary spread spectrum code in described sub-spreading code set
Speed.
Information transceiving method the most according to claim 1, it is characterised in that: described sub-spreading code set is wireless network control
Device is indicated by high-level signaling.
Information transceiving method the most according to claim 2, it is characterised in that: also included before described step (1): receive
The high-level signaling that described radio network controller issues, obtains described sub-spreading code set by described high-level signaling.
Information transceiving method the most according to claim 3, it is characterised in that: described main spreading code set is orthogonal variable spread spectrum
Factor OVSF all-key tree, described sub-spreading code set is the subcode tree of this spreading code set.
5. according to the information transceiving method described in any one of claim 1-4, it is characterised in that: between described step (3) and (4)
Also including: be filtered described echo signal processing, described Filtering Processing includes root cosine RRC Filtering Processing and radio frequency filter
Ripple processes, and the bandwidth of described Filtering Processing is Y.
Information transceiving method the most according to claim 5, it is characterised in that: the method also includes: send instruction information, its
The code channel that the one or more spread spectrum codes in described sub-spreading code set are corresponding is used to send high-speed slender body theory for indicating
HSDPA, the channelizing code channel collection information CCS territory in described instruction information is used for the code channel collection indicating described sub-spreading code set corresponding
The code channel subset of middle arbitrary continuation.
7. an information transceiving device, it is characterised in that: this device includes:
Acquisition module, its configuration obtains modulation symbol sequence and sub-spreading code set；
Scrambling module, its configuration carrys out the described modulation of transmission on the code channel corresponding to each spread spectrum code in described sub-spreading code set
Symbol sebolic addressing carries out Scrambling Operation, it is thus achieved that scrambled signals, and in described scrambled signals, the spreading rate of scrambler is V；
Spread spectrum module, described scrambled signals is spread by its configuration, obtains echo signal；
Sending module, its configuration sends described echo signal；
Wherein, described sub-spreading code set is the subset of main spreading code set, in arbitrary spread spectrum code of described sub-spreading code set, from first
Individual chip starts, and the most adjacent N number of chip is one group, and the chip value that often the N number of chip in group is corresponding is identical, wherein, and N=U/
V, U are the spreading rate of arbitrary spread spectrum code in described main spreading code set, and V is the chip of arbitrary spread spectrum code in described sub-spreading code set
Speed.
Information transceiving device the most according to claim 7, it is characterised in that: described sub-spreading code set is wireless network control
Device is indicated by high-level signaling.
Information transceiving device the most according to claim 8, it is characterised in that: this device also includes:
Receiver module, its configuration receives the high-level signaling that described radio network controller issues；
Described acquisition module obtains described sub-spreading code set by described high-level signaling.
Information transceiving device the most according to claim 9, it is characterised in that: described main spreading code set is that orthogonal variable expands
Frequently factor OVSF all-key tree, described sub-spreading code set is the subcode tree of this spreading code set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610702352.0A CN106254037A (en) | 2016-08-22 | 2016-08-22 | A kind of information transceiving method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702352.0A CN106254037A (en) | 2016-08-22 | 2016-08-22 | A kind of information transceiving method and device |
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| CN201610702352.0A Pending CN106254037A (en) | 2016-08-22 | 2016-08-22 | A kind of information transceiving method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071886A (en) * | 2019-05-08 | 2019-07-30 | 哈尔滨海能达科技有限公司 | A kind of signal processing method, relevant device and LoRa wireless system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577568A (en) * | 2008-05-07 | 2009-11-11 | 中兴通讯股份有限公司 | Method, system and base station for realizing power control |
| CN104283821A (en) * | 2013-07-05 | 2015-01-14 | 普天信息技术研究院有限公司 | Discontinuous transmission detecting and signal receiving processing method |
| CN105577234A (en) * | 2014-10-10 | 2016-05-11 | 深圳市海思半导体有限公司 | Information transmitting-receiving method and information transmitting-receiving device |
-
2016
- 2016-08-22 CN CN201610702352.0A patent/CN106254037A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577568A (en) * | 2008-05-07 | 2009-11-11 | 中兴通讯股份有限公司 | Method, system and base station for realizing power control |
| CN104283821A (en) * | 2013-07-05 | 2015-01-14 | 普天信息技术研究院有限公司 | Discontinuous transmission detecting and signal receiving processing method |
| CN105577234A (en) * | 2014-10-10 | 2016-05-11 | 深圳市海思半导体有限公司 | Information transmitting-receiving method and information transmitting-receiving device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071886A (en) * | 2019-05-08 | 2019-07-30 | 哈尔滨海能达科技有限公司 | A kind of signal processing method, relevant device and LoRa wireless system |
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Application publication date: 20161221 |