CN1972246A - Method and system for transmission of 2G service through 3G network - Google Patents
Method and system for transmission of 2G service through 3G network Download PDFInfo
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- CN1972246A CN1972246A CNA2006101382507A CN200610138250A CN1972246A CN 1972246 A CN1972246 A CN 1972246A CN A2006101382507 A CNA2006101382507 A CN A2006101382507A CN 200610138250 A CN200610138250 A CN 200610138250A CN 1972246 A CN1972246 A CN 1972246A
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- side transceiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
Abstract
This invention provides one method and system to transmit 2G business through 3G network, which comprises the following steps: adopting IP transmission type base station controller RNC and NodeB through IP transmission network and sending 3G business and base station controller BSC and base station BTS 2G business. The system comprises BSC, RNC, NODEB and BTS.
Description
Technical field
The present invention relates to network communication field, relate in particular to a kind of method and system that transmits the 2G business by 3G network.
Background technology
At WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) in the Release 1999, that the interface IUB interface between the NODEB of WCDMA (base station) and the RNC (base station controller) adopts is ATM (asynchronous transfer mode, asynchronous transfer mode) host-host protocol is along with the development of IP technology.In the REL5 agreement, the networking schematic diagram of IUB interface as shown in Figure 1, the IUB interface adopts the IP mode to connect.Middle meeting is by a transmission network.Present main flow physical layer for transmission is E1/T1, so IP is carried on the E1/T1 in the REL5 agreement, is called IPover E1/T1 (IP is carried on the whole piece E1/T1) and IP over Fractional E1/T1 (IP is carried on the part E1/T1).
GSM (Global System Mobile, global system for mobile communications) BTS of network (base station) only adopts traditional E 1/T1 mode to be connected with interface Abis interface between the BSC (base station controller), no matter what of user, mobile operator must adopt at least one E1 to connect Abis interface.Therefore, if the user below the base station is fewer, the cost of mobile operator is just too high, and along with the continuous increase of 3G subscription, 2G user will certainly be fewer and feweri.
In order to save cost, general mobile operator (operator that not only runs the GSM network but also run the WCDMA network) need be placed on same place with the BTS of hundreds of GSM and the NODEB of WCDMA, when the 3G-WCDMA system enters into ripe operation after date, the 2G-GSM number of users will enter the atrophy phase, along with 2G user's the minimizing and the reduction of IP transmission cost, transmission bandwidth to the BTS of 2G just needs reduce, to save transmission cost, this moment, the Abis interface of 2G did not just need to take fully 1 E1, and as long as use the part time slot just passable, this just needs to adopt 2G, NodeB is transmission technology altogether, divides the bandwidth that is transferred to NodeB a part of time slot to give the 2G base station.
At present, also not when 3G IUB interface adopts the IP transmission means, realize the method that 2G3G transmits altogether in the prior art.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide and a kind ofly transmit the method and system of 2G business, thereby solved when 3G IUB interface adopts the IP transmission means by 3G network, how to realize the problem that transmit altogether the 2G/3G base station.
The objective of the invention is to be achieved through the following technical solutions:
A kind ofly transmit the method for 2G business, comprising by 3G network:
Adopt and pass through transmission network between IP transmission type base station controller RNC and the base station node B, transmit the 2G business between 3G (Third Generation) Moblie 3G business and base station controller BSC and the base station BTS simultaneously.
Described method specifically comprises:
BSC sends to RNC with the 2G business that needs send to BTS, and RNC sends to NODEB by transmission network simultaneously with 2G business and 3G (Third Generation) Moblie 3G business;
NODEB obtains the described 2G business that BSC sends over, and by Timeslot cross function described 2G business is sent to BTS.
Described method specifically comprises:
BTS sends to NODEB with the 2G business that needs send to BSC, and NODEB sends to RNC by transmission network simultaneously with 2G business and 3G business;
RNC obtains the described 2G business that NODEB sends over, and by Timeslot cross function described 2G business is sent to BSC.
The IP message of the 3G business between described RNC and the NodeB is carried on the transmission network of part E1/T1.
Described method specifically comprises:
RNC or NODEB will transmit the part time slot of part time gas exchange to the port of transmission 3G business on the port of 2G business; The part time slot of part time slot after the described exchange and the 3G business that needs transmission is combined into whole piece E1/T1 circuit.
A kind of RNC comprises:
BSC side transceiver module: be used to receive the 2G business that BSC sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BSC;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BSC side transceiver module is sended over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BSC side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module passes over is sent between NODEB and receives.
A kind of NODEB comprises:
BTS side transceiver module: be used to receive the 2G business that BTS sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BTS;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BTS side transceiver module is passed over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BTS side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module is synthetic is sent between RNC and receives.
A kind of 3G network by employing IP transmission means transmits the system of 2G business, comprising:
BSC: the 2G business that is used for needs are sent to BTS sends to RNC; Receive the 2G business that RNC sends over by Timeslot cross function;
RNC: be used to receive the 2G business that BSC sends over, this 2G business and 3G business are sent to NODEB by the IP transmission network together; Receive NODEB by the professional and 3G business of 2G that the IP transmission network sends over simultaneously, the 2G business that decomposites is sent to BSC by Timeslot cross function;
NODEB: be used to receive the 2G business that BTS sends over, this 2G business and 3G business are sent to RNC by the IP transmission network together; Receive RNC by the professional and 3G business of 2G that the IP transmission network sends over simultaneously, the 2G business that decomposites is sent to BTS by Timeslot cross function;
BTS: the 2G business that is used for needs are sent to BSC sends to NODEB; Receive the 2G business that NODEB sends over by Timeslot cross function.
Described RNC specifically comprises:
BSC side transceiver module: be used to receive the 2G business that BSC sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BSC;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BSC side transceiver module is sended over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BSC side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module passes over is sent between NODEB and receives.
Described NODEB specifically comprises:
BTS side transceiver module: be used to receive the 2G business that BTS sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BTS;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BTS side transceiver module is passed over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BTS side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module is synthetic is sent between RNC and receives.
As seen from the above technical solution provided by the invention, the present invention is transmitted the 2G business by using Timeslot cross function between BSC and RNC, BTS and NODEB, and transmission simultaneously comprises the E1/T1 circuit of 2G business and 3G business between RNC and NODEB.Thereby how the IUB interface that has solved 3G realizes the problem that 2G/3G transmits altogether under the transmission situation that adopts the IP mode.Realized utilizing the transmission of 3G to transmit the business of 2G, save 2G transmission cost, simplified transmission network.
Description of drawings
Fig. 1 be in the prior art in the REL5 agreement networking schematic diagram of IUB interface;
Fig. 2 is the schematic diagram of the method for the invention embodiment;
Fig. 3 is the process chart of the method for the invention embodiment;
Fig. 4 is the structural representation of system embodiment of the present invention.
Embodiment
The embodiment of the invention provides a kind of and transmitted the method and system of 2G business by 3G network, and the major technique of this method is characterized as: BSC transmits by RNC and NODEB to the transmission of BTS, and BSC and NODEB finish the function that time slot intersects.Transmit 2G and 3G business simultaneously by the IP transmission network between RNC and the NodeB.
Describe the embodiment of the invention in detail below in conjunction with accompanying drawing, the embodiment schematic diagram of the method for the invention as shown in Figure 2, the handling process of the embodiment of described method comprises the steps: as shown in Figure 3
Step 3-1:BSC sends to RNC with the 2G business that needs send to BTS.
E1 is the speed standard of the pulse code modulation multiplex system digital hierarchy primary group in Europe, it comprises the channel (time slot) of 32 64kbit/s, total bandwidth speed is 2.048Mbit/s, and wherein TSO is as framing signal, and TS1-TS31 can be used for transport service.The transmitting physical introduction generally is coaxial cable or twisted-pair feeder.
T1 is the speed standard of the pulse code modulation multiplex system digital hierarchy primary group of North America, and it comprises the channel (time slot) of 24 64kbit/s, and all TS1-TS24 can be used for transport service, and the transmitting physical medium generally is a twisted-pair feeder.
Below with between BSC and the RNC, between RNC and the NODEB, adopt the E1 mode to come transmitting business signal that the embodiment of the invention is described between NODEB and the BTS.
In embodiments of the present invention, BSC is connected by cable at network side with RNC.
When BSC need send 2G when professional to BTS, the E1 signal that BSC will need to send sends to the E1-A port of RNC by direct-connected cable.RNC determines m time slot of this 2G service needed of transmission, m time gas exchange of 2G service needed is arrived m time slot of E1-B port by the internal time slot cross chips.M time slot before the above-mentioned exchange and exchange after m the time slot correspondence that can differ.
Step 3-2, RNC send to NODEB with 2G business and the professional synthetic whole piece E1 line of 3G by transmission network.
In the present embodiment, adopt IP over Fractional E1 (IP is carried on the part E1) transmission means between RNC and the NODEB.
M the time slot and left 31-m the time slot that is used to transmit the 3G business of the E1-B port of RNC after with above-mentioned exchange, the E1 circuit of synthetic 31 time slots of a whole piece, be sent to NODEB by transmission network, RNC and NODEB adopt IP over Fractional E1/T1 technology.
Step 3-3, NODEB send to BTS by Timeslot cross function with the 2G business.
NODEB therefrom decomposites the 2G business that comprises behind the E1 circuit that receives 31 time slots of an above-mentioned whole piece that RNC sends over, by the time slot cross chips m time slot of this 2G business sent to BTS, so, finished the transmission of 2G.Simultaneously, 31-m the time slot that left being used to is transmitted the 3G business left oneself use for, finished the business transmission of 3G.
BTS is opposite with top process to the up direction that NODEB sends the 2G business, by the described flow process of the invention described above.2G, 3G transmit altogether when having realized that employing IP mode is transmitted 3G.
The structural representation of system embodiment of the present invention comprises as shown in Figure 4 as lower module:
BSC: the 2G business that is used for needs are sent to BTS sends to RNC, receives the 2G business that RNC sends over by BSC side transceiver module.
RNC: be used to receive the 2G business that BSC sends over, and this 2G business and 3G business are sent to NODEB by transmission network together.Receive NODEB by the professional and 3G business of 2G that transmission network sends over, will send to BSC by the 2G business that time slot intersects and synthesis module decomposites.Comprise: time slot intersection and synthesis module, BSC side transceiver module and transmission equipment side transceiver module.
Wherein, BSC side transceiver module: be used to receive the 2G business that BSC sends over, and pass to time slot time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BSC.
Wherein, time slot intersects and synthesis module: the 2G 3G service groups professional and that self need send that is used for BSC side transceiver module is sended over is synthesized the information of a whole piece E131 time slot, and passes to the transmission equipment side transceiver module; The 2G E1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received intersects decomposition, with the 2G service delivery that decomposites to BSC side transceiver module.
Wherein, transmission equipment side transceiver module: be used for and the transmission network butt joint, the E1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module is synthetic is sent between NODEB and receives.
NODEB: be used to receive the 2G business that BTS sends over, this 2G business and 3G business are sent to RNC by transmission network simultaneously.Receive RNC by the professional and 3G business of 2G that transmission network sends over simultaneously, the 2G business that decomposites is sent to BTS by BTS side transceiver module.Comprise: time slot intersection and synthesis module, BTS side transceiver module and transmission equipment side transceiver module.
Wherein, BTS side transceiver module: be used to receive the 2G business that BTS sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BTS.
Wherein, time slot intersects and synthesis module: the 2G 3G service groups professional and that self need send that is used for BTS side transceiver module is passed over is synthesized the whole piece E1 information of totally 31 time slots, and sends by the transmission equipment side transceiver module; The 2G E1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BTS side transceiver module with the 2G service delivery that decomposites.
Wherein, transmission equipment side transceiver module: be used for and the transmission network butt joint, the E1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module is synthetic is sent between RNC and receives.
BTS: the 2G business that is used for needs are sent to BSC sends to NODEB, receives the 2G business that NODEB sends over by Timeslot cross function.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1, a kind ofly transmit the method for 2G business, it is characterized in that, comprising by 3G network:
Adopt and pass through transmission network between IP transmission type base station controller RNC and the base station node B, transmit the 2G business between 3G (Third Generation) Moblie 3G business and base station controller BSC and the base station BTS simultaneously.
2, method according to claim 1 is characterized in that, described method specifically comprises:
BSC sends to RNC with the 2G business that needs send to BTS, and RNC sends to NODEB by transmission network simultaneously with 2G business and 3G (Third Generation) Moblie 3G business;
NODEB obtains the described 2G business that BSC sends over, and by Timeslot cross function described 2G business is sent to BTS.
3, method according to claim 1 is characterized in that, described method specifically comprises:
BTS sends to NODEB with the 2G business that needs send to BSC, and NODEB sends to RNC by transmission network simultaneously with 2G business and 3G business;
RNC obtains the described 2G business that NODEB sends over, and by Timeslot cross function described 2G business is sent to BSC.
According to claim 2 or 3 described methods, it is characterized in that 4, the IP message of the 3G business between described RNC and the NodeB is carried on the transmission network of part E1/T1.
5, method according to claim 4 is characterized in that, described method specifically comprises:
RNC or NODEB will transmit the part time slot of part time gas exchange to the port of transmission 3G business on the port of 2G business; The part time slot of part time slot after the described exchange and the 3G business that needs transmission is combined into whole piece E1/T1 circuit.
6, a kind of RNC is characterized in that, comprising:
BSC side transceiver module: be used to receive the 2G business that BSC sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BSC;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BSC side transceiver module is sended over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BSC side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module passes over is sent between NODEB and receives.
7, a kind of NODEB is characterized in that, comprising:
BTS side transceiver module: be used to receive the 2G business that BTS sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BTS;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BTS side transceiver module is passed over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BTS side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module is synthetic is sent between RNC and receives.
8, a kind of 3G network by employing IP transmission means transmits the system of 2G business, it is characterized in that, comprising:
BSC: the 2G business that is used for needs are sent to BTS sends to RNC; Receive the 2G business that RNC sends over by Timeslot cross function;
RNC: be used to receive the 2G business that BSC sends over, this 2G business and 3G business are sent to NODEB by the IP transmission network together; Receive NODEB by the professional and 3G business of 2G that the IP transmission network sends over simultaneously, the 2G business that decomposites is sent to BSC by Timeslot cross function;
NODEB: be used to receive the 2G business that BTS sends over, this 2G business and 3G business are sent to RNC by the IP transmission network together; Receive RNC by the professional and 3G business of 2G that the IP transmission network sends over simultaneously, the 2G business that decomposites is sent to BTS by Timeslot cross function;
BTS: the 2G business that is used for needs are sent to BSC sends to NODEB; Receive the 2G business that NODEB sends over by Timeslot cross function.
9, system according to claim 8 is characterized in that, described RNC specifically comprises:
BSC side transceiver module: be used to receive the 2G business that BSC sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BSC;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BSC side transceiver module is sended over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BSC side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module passes over is sent between NODEB and receives.
10, according to Claim 8 or 9 described systems, it is characterized in that described NODEB specifically comprises:
BTS side transceiver module: be used to receive the 2G business that BTS sends over, and pass to time slot intersection and synthesis module; The 2G business that time slot intersects and synthesis module passes over is sent to BTS;
Time slot intersects and synthesis module: the 3G service groups that 2G is professional and needs send that is used for BTS side transceiver module is passed over is synthesized a whole piece E1/T1 circuit, and passes to the transmission equipment side transceiver module; The 2G E1/T1 circuit professional and the 3G business that comprises that the transmission equipment side transceiver module is received decomposes, and gives BTS side transceiver module with the 2G service delivery that decomposites;
Transmission equipment side transceiver module: be used for the E1/T1 circuit that comprises 2G business and 3G business that time slot intersects and synthesis module is synthetic is sent between RNC and receives.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101382507A CN1972246A (en) | 2006-11-08 | 2006-11-08 | Method and system for transmission of 2G service through 3G network |
| PCT/CN2007/071027 WO2008055443A1 (en) | 2006-11-08 | 2007-11-07 | Method and system for transmission of 2g service through 3g network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101382507A CN1972246A (en) | 2006-11-08 | 2006-11-08 | Method and system for transmission of 2G service through 3G network |
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| Publication Number | Publication Date |
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| CN1972246A true CN1972246A (en) | 2007-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101382507A Pending CN1972246A (en) | 2006-11-08 | 2006-11-08 | Method and system for transmission of 2G service through 3G network |
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| Country | Link |
|---|---|
| CN (1) | CN1972246A (en) |
| WO (1) | WO2008055443A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008055443A1 (en) * | 2006-11-08 | 2008-05-15 | Huawei Technologies Co., Ltd. | Method and system for transmission of 2g service through 3g network |
| WO2009006847A1 (en) * | 2007-07-10 | 2009-01-15 | Huawei Technologies Co., Ltd. | Method, device and system for combination of resource admission control |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208981C (en) * | 2002-05-20 | 2005-06-29 | 华为技术有限公司 | Method of realizing base station maintenance in mobile communication system |
| CN100382623C (en) * | 2003-12-26 | 2008-04-16 | 华为技术有限公司 | A base station subsystem and method for implementing reporting of base station environment monitoring information |
| CN100373974C (en) * | 2004-12-24 | 2008-03-05 | 华为技术有限公司 | Method for building maintenance channel |
| CN1972246A (en) * | 2006-11-08 | 2007-05-30 | 华为技术有限公司 | Method and system for transmission of 2G service through 3G network |
-
2006
- 2006-11-08 CN CNA2006101382507A patent/CN1972246A/en active Pending
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2007
- 2007-11-07 WO PCT/CN2007/071027 patent/WO2008055443A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008055443A1 (en) * | 2006-11-08 | 2008-05-15 | Huawei Technologies Co., Ltd. | Method and system for transmission of 2g service through 3g network |
| WO2009006847A1 (en) * | 2007-07-10 | 2009-01-15 | Huawei Technologies Co., Ltd. | Method, device and system for combination of resource admission control |
| CN101345746B (en) * | 2007-07-10 | 2011-08-24 | 华为技术有限公司 | Method, equipment and system for resource admission control amalgamation |
| US8832141B2 (en) | 2007-07-10 | 2014-09-09 | Huawei Technologies Co., Ltd. | Method, device and system for combination of resource and admission control |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008055443A1 (en) | 2008-05-15 |
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