CN101483807A - Method, system, terminal and access network for providing broadcast service in mobile communication network - Google Patents
Method, system, terminal and access network for providing broadcast service in mobile communication network Download PDFInfo
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- CN101483807A CN101483807A CNA2008100002162A CN200810000216A CN101483807A CN 101483807 A CN101483807 A CN 101483807A CN A2008100002162 A CNA2008100002162 A CN A2008100002162A CN 200810000216 A CN200810000216 A CN 200810000216A CN 101483807 A CN101483807 A CN 101483807A
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Abstract
The embodiment of the invention provides a method, a system a terminal and an access network providing broadcasting service in mobile radio communication network. A broadcast service layer which is exclusively used for providing broadcasting service is added in a wireless access network; independent down carrier frequency is provided; the broadcasting service layer is divided into subdistricts and a plurality of subdistricts are called one lane place; the subdistricts in one lane place use same scrambler, and the subdistricts in adjacent lane places use different scramblers. The broadcasting service layer is provided with a broadcast channel and a paging channel; the broadcast channel is used for transmitting broadcasting service and the paging channel is used for paging a mobile terminal in broadcast mode. The two channels are also used for broadcasting corresponding subdistrict information and the mobile terminal can be operated in two working models, such as a switchable operation layer and a broadcasting service layer. In the working model of the broadcasting service layer, the mobile terminal is kept in the subdistrict of broadcasting service layer and is used for monitoring the paging process. The application of the embodiment of the invention can reduce the mutual influence between the broadcasting service and point-to-point service.
Description
Technical field
The present invention relates to the mobile communication technology field, method, system, terminal and the Access Network of broadcasting service particularly is provided in mobile communications network.
Background technology
In existing second generation mobile communication system, be subjected to bandwidth constraints, the business that provides is more single, as can only being main business with the transporting speech signal.In two generation half mobile communication system, though developed data service, be subjected to the restriction of transmission rate, also can only be confined to use in the information inquiry class business.In the 3-G (Generation Three mobile communication system) in future, multimedia service can be provided, therefore in 3-G (Generation Three mobile communication system), also might introduce multi-media broadcasting service and multicast service.
At present at third generation partner program (3GPP, 3rd Generation Partnership Project) and in the 3GPP2 standard, proposed to support the mode of broadcasting and multicast service, be respectively multimedia broadcast/multi broadcast service (MBMS, Multimedia Broadcast and Multicast Service) and broadcast (BCMCS, Broadcast and Multicast Service).MBMS and BCMCS technology have all defined shared channel, send information simultaneously to a plurality of users in same sub-district, have improved channel utilization.But, must cause point-to-point service to be subjected to the impact of broadcasting service because these channels are identical with point-to-point professional time, the frequency resource of using.
Be example with Wideband Code Division Multiple Access (WCDMA) (WCDMA) wireless access network below, simply describing existing mobile communications system is how to realize point-to-point service.Fig. 1 is the existing mobile communication network structure chart.As shown in Figure 1, subscriber equipment (UE) 101 is connected to core net 103 by universal mobile telecommunications system (UMTS) land radio access web (UTRAN) 102.UTRAN102 comprises a plurality of radio network controllers (RNC) 104 and Node B (NodeB) 105.A plurality of ellipse representations sub-district 106 of NodeB105 below.Herein, UE101 is equivalent to portable terminal, and NodeB105 is equivalent to the base station, and RNC104 is responsible for controlling the switching of minizone to support the mobility of UE.UE through slot synchronization, frame synchronization, three steps of scrambler search find can be resident the sub-district after, use Random Access Channel (RACH) to send the request of access to NodeB.NodeB returns response by AICH Acquisition Indication Channel (AICH) or forward access channel (FACH) to UE after capturing RACH information.UE can begin to set up voice or data call after receiving response, finishes whole point-to-point business procedure then.From physical layer, the transfer of data between UE and the UTRAN utilizes DPCH (DPCH) and public physic channel (CPCH) to finish.
In realizing process of the present invention, the inventor finds, provides MBMS in above-mentioned WCDMA system, is to realize that by defining new logic shared channel air interface resource is shared.But from physical layer, do not increase new physical channel, but utilize original descending CPCH to send MBMS information, thereby, on employed time, frequency resource, caused conflicting of MBMS and point-to-point service.
In sum, how to reduce influencing each other between broadcasting service and the original point-to-point service, having become provides broadcasting service key issue to be solved at present in mobile communications network.
Summary of the invention
In view of this, the purpose of the embodiment of the invention is to provide a kind of method, system, terminal and Access Network that broadcasting service is provided in mobile communications network, can reduce influencing each other between broadcasting service and the point-to-point service.
The embodiment of the invention provides a kind of method that broadcasting service is provided in mobile communications network, comprising:
Setting up to be exclusively used in the wireless access network of the mobile radio communication that contains former operation layer provides the broadcasting service of broadcasting service layer, and this broadcasting service layer is only established independently downlink carrier frequency;
Described broadcasting service layer is divided into the sub-district, and several microzonations are divided into the same position district, identical scrambler is used in each sub-district in the same position district, and the adjacent position district uses different scramblers;
Described broadcasting service layer is provided with broadcast channel and paging channel, and broadcast channel is used to transmit broadcasting service, and paging channel is used for paging and is in portable terminal under the broadcast mode, and broadcast channel and/or paging channel also are used to broadcast corresponding cell information;
Portable terminal is by switchable former operation layer and two kinds of mode of operation work of broadcasting service layer, and under broadcasting service layer mode of operation, portable terminal resides at the sub-district of broadcasting service layer and monitors paging.
The embodiment of the invention also provides a kind of system that broadcasting service is provided in mobile communications network, comprise portable terminal and the wireless access network that contains the mobile radio communication of former operation layer, also being provided with in the wireless access network of described mobile radio communication to be exclusively used in provides the broadcasting service of broadcasting service layer processing unit, and this broadcasting service layer processing unit is that the broadcasting service layer is only established independently downlink carrier frequency;
Described broadcasting service layer processing unit is divided into the sub-district with the broadcasting service layer, and several microzonations are divided into the same position district, and identical scrambler is used in each sub-district in the same position district, and the adjacent position district uses different scramblers;
And described broadcasting service layer processing unit, for the broadcasting service layer is provided with broadcast channel and paging channel, broadcast channel is used to transmit broadcasting service, and paging channel is used for paging and is in portable terminal under the broadcast mode, and broadcast channel and/or paging channel also are used to broadcast corresponding cell information;
Described portable terminal is by switchable former operation layer and two kinds of mode of operation work of broadcasting service layer, and under broadcasting service layer mode of operation, portable terminal resides at the sub-district of broadcasting service layer and monitors paging.
The embodiment of the invention also provide a kind of in mobile communications network the portable terminal of receiving broadcast service, described portable terminal comprises main control unit and receiving element; Described main control unit is used to control the switching between broadcasting service layer model and former operation layer pattern; Described receiving element is used for receiving business information and receiving broadcasting information and monitor paging under the broadcasting service layer model under former operation layer pattern.
The embodiment of the invention also provides a kind of wireless access network of realizing broadcasting service in mobile communications network, described wireless access network comprises to be exclusively used in provides the broadcasting service of broadcasting service layer processing unit, and this broadcasting service layer processing unit is that the broadcasting service layer is only established independently downlink carrier frequency;
Described broadcasting service layer processing unit is used for the broadcasting service layer is divided into the sub-district, and several microzonations are divided into the same position district, and identical scrambler is used in each sub-district in the same position district, and the adjacent position district uses different scramblers;
And described broadcasting service layer processing unit, also be used to the broadcasting service layer that broadcast channel and paging channel are set, broadcast channel is used to transmit broadcasting service, and paging channel is used for paging and is in portable terminal under the broadcast mode, and broadcast channel and/or paging channel also are used to broadcast corresponding cell information.
A kind of method, system, terminal and Access Network that broadcasting service is provided in mobile communications network that the embodiment of the invention provides, provide broadcasting service by in the wireless access network of existing mobile radio communication, setting up the broadcasting service layer, this broadcasting service layer is only established independently downlink carrier frequency, portable terminal from original operation layer mode switch to the broadcasting service layer model, by be tuned to newly-increased carrier frequency come receiving broadcast content.Therefore, it compared with prior art has following advantage: portable terminal utilizes existing functional module can finish reception to TV programme, radio program, need not to be provided with in addition receiving circuit, helps improving the portable terminal integrated level, reduces equipment cost; Utilize existing mobile radio communication to support broadcasting service, can guarantee that portable terminal receives the effect of broadcast program; Utilize independently that downlink carrier frequency transmits broadcasting service, can avoid broadcasting service and point-to-point service conflicting on employed frequency resource, reduce influencing each other between two kinds of business.
Description of drawings
Fig. 1 is the existing mobile communication network structure chart;
Fig. 2 is the embodiment of the invention provides broadcasting service in mobile communication system a schematic network structure;
Fig. 3 is the cell structure and the operation principle schematic diagram of the wireless access network of embodiment of the invention mobile radio communication;
Fig. 4 is the frequency configuration schematic diagram of embodiment of the invention private downlink carrier;
Fig. 5 a and Fig. 5 b are the structural representations of embodiment of the invention portable terminal;
Fig. 6 is a kind of concrete structure and the operation principle block diagram of embodiment of the invention portable terminal.
Embodiment
For the purpose and the technical scheme that make the embodiment of the invention is clearer, below the embodiment of the invention is described in further detail with reference to accompanying drawing.
The embodiment of the invention is by dedicated broadcast resource-special carrier is set in existing 3g mobile network, and broadcasting service is provided.
The embodiment of the invention has been shown among Fig. 2 provides the network configuration of broadcasting service in mobile communication system.Live sports cast 201 is offered broadcast service content provider 202, by content supplier 202 this real sports program 201 is transferred to information transmission server 203, again by information transmission server 203 with its accessing mobile communication network 204, in the air interface of mobile communications network 204,, be broadcast to portable terminal by special-purpose broadcast resource is set.Herein, the broadcast resource of set special use is a special carrier.Can adopt the wired connection mode between content supplier 202, information transmission server 203 and the mobile communications network 204.
Referring to Fig. 3, the cell structure and the operation principle of the wireless access network of the mobile radio communication of the embodiment of the invention shown in the figure are the system configurations after the newly-increased broadcasting service pattern.
The wireless access network of embodiment of the invention mobile radio communication is divided into original operation layer and broadcasting service layer, newly-increased broadcasting service pattern and the original business model shown in arrow among Fig. 3.Original operation layer and broadcasting service layer can be realized by former operation layer processing unit and two logic function unit of broadcasting service layer processing unit respectively.The carrier frequency of original operation layer comprises uplink carrier frequencies f1 and descending carrier frequency f2, and original operation layer provides business such as voice conversation, transfer of data, wireless interconnected, video request program.The broadcasting service layer that increases only needs independent downstream frequency f3, and broadcasting service is provided specially.
Original operation layer is divided into a plurality of sub-districts, sub-district 1 as shown in Figure 3, sub-district 2 ... etc., lane place are formed in several sub-districts, as lane place 1 being formed in 1～sub-district, sub-district shown in Figure 37,14 composition lane place 2,8～sub-district, sub-district.At original operation layer, different scramblers is used in different sub-district, scrambler 1 as shown in Figure 3, scrambler 2 ... etc.The broadcasting service layer also is divided into a plurality of sub-districts, sub-district 1 ' as shown in Figure 3, sub-district 2 ' ... etc., lane place are formed in several sub-districts, as lane place 1 ' being formed in sub-district 1 ' shown in Figure 3～sub-district 7 ', sub-district 8 '～14 ' composition lane place 2 ', sub-district.At the broadcasting service layer, identical scrambler is used in sub-district in the same lane place, the position adjacent district uses different scramblers, and sub-district 1 ' as shown in Figure 3～sub-district 7 ' (being lane place 1 ') uses scrambler 1 ', and sub-district 8 '～sub-district 14 ' (being lane place 2 ') uses scrambler 2 '.Identical scrambler is used in each sub-district in the same position district, can avoid the signal of minizone to disturb, improve the performance of portable terminal receiving broadcast service, the adjacent position district uses different scramblers, make portable terminal when receiving broadcast service, can carry out normal position and upgrade, thereby can make network side that it is carried out paging accurately by the scrambler search.Because scrambler resource is limited, it is multiplexing to carry out scrambler in the lane place of interval predeterminable range.
Preferably, as shown in Figure 3, make it overlapping with the sub-district and the lane place of original operation layer respectively when the sub-district of dividing the broadcasting service layer and lane place, broadcasting service special carrier and original traffic carrier can shared original base stations like this, thus reduction equipment cost and be easy to realization more.At this moment, the location area information of portable terminal can it be in the information of broadcasting service layer model and the location area information of original operation layer is formed by sign.Like this, when network side needs this user of paging, use in each lane place under the prerequisite of different scrambling codes, this user of paging in each sub-district of its residing lane place of broadcasting service carrier wave one-level only, use the situation of identical scrambler to compare with each lane place, dwindle paging range, reduced paging load.
Broadcasting service layer sub-district is provided with broadcast channel and paging channel, broadcast channel transmission broadcast service information, paging channel is broadcasted paging information and the corresponding cell information in this lane place, as: the scrambling code information in residing lane place, broadcasting service floor sub-district and adjacent position district, broadcasting service layer paging channel configuration information, and with this lane place of broadcasting service layer in frequency, scrambler, Random Access Channel (RACH), AICH Acquisition Indication Channel (AICH) and forward access channel (FACH) information relevant of adjacent original operation layer sub-district, each sub-district with Random Access Channel.Also can only comprise any one or two kinds in above cited three kinds of information in the cell information of being broadcasted.Broadcast service information is identical in each lane place, and portable terminal can carry out the soft merging of signal on each border, lane place and improve reception.The paging channel information difference of each lane place because the scrambler difference of each lane place can be offset the interference between each lane place by spread spectrum and chnnel coding, guarantees the correct demodulation paging channel information of receiver.
Broadcast channel and paging channel can adopt time division multiplexing mode, in order to reduce the interference between broadcast channel and the paging channel, further improve the quality of portable terminal received signal.
Referring to Fig. 4, the setting of the broadcasting service of the embodiment of the invention shown in figure layer downlink dedicated carrier frequency f3.For the complexity that reduces portable terminal, avoid of the interference of downlink dedicated carrier frequency to original carrier wave, should be on frequency axis, after original upstream band 401, downstream bands 402, the high-end adjacent frequency 403 of selection and downstream bands is as the downlink dedicated carrier frequency of supporting broadcasting services.
Referring to Fig. 5, the structural representation of the portable terminal of the embodiment of the invention shown in the figure has wherein omitted and the irrelevant part of the embodiment of the invention.
Portable terminal shown in Fig. 5 a comprises main control unit 501 and receiving element 502, main control unit 501 is used to control the switching between broadcasting service layer model and original operation layer pattern, receiving element 502 is used for receiving business information and receiving broadcasting information and monitor paging under the broadcasting service layer model under former operation layer pattern.That is to say, portable terminal shown in Fig. 5 a is shared same receiving element 502 when broadcasting service layer frequency and the reception of former operation layer frequency, receiving element 502 specifically works in former operation layer frequency and still works in broadcasting service layer frequency, is controlled by main control unit 501.
Portable terminal shown in Fig. 5 b also comprises main control unit 501 and receiving element 502, comprise first receiver module 503 and second receiver module 504 in this receiving element 502 again, first receiver module 503 is used for receiving business information under former operation layer pattern, and second receiver module 504 is used under the broadcasting service layer model receiving broadcasting information and monitors paging.The difference of itself and Fig. 5 a is the receiver module that uses respectively when broadcasting service layer frequency and former operation layer frequency receive separately.The control of 501 pairs first receiver modules 503 of main control unit and second receiver module 504 can be adopted mode same as the prior art.
Referring to Fig. 6, a kind of concrete structure and the operation principle of the portable terminal of the embodiment of the invention shown in the figure.For reducing the cost of portable terminal, adopt the structure shown in Fig. 5 a herein.As shown in Figure 6, it is the particular hardware structure of existing portable terminal, comprise master controller 601 as main control unit, by source encoder 604, channel encoder 605, D/A (D/A) transducer 606, the transmitting element that radio frequency (RF) sender 607 connects to form, by radio frequency (RF) receiver 608, mould/number (A/D) transducer 609, frequency synthesizer 612, search module 616, parameter controller 617, RAKE merges receiver 610, automatic frequency correction (AFC) module 611, automatic gain correction (AGC) module 613, channel decoder 614, source decoder 615, antenna 603 and duplexer 602 that receiving element that system synchronization module 618 connects to form and confession transmitting element and receiving element are shared.
When portable terminal is in following time of pattern of receiving broadcast service, carry out the mobile terminal locations registration if desired, then portable terminal is according to each cell frequency and the scrambling code information of relevant original operation layer of receiving at the broadcasting service layer, carry out cell selecting, send location updating message to core network by this sub-district.Obtain the position upgrade successfully confirm after, portable terminal returns the broadcasting service layer; Or after core network receives the location updating message of a certain portable terminal, sub-district to the broadcasting service layer sends confirmation, during specific implementation, can utilize time slicing to send the position and upgrade confirmation by the down channel of newly-increased f3 carrier wave or in paging channel.
Correspondingly, portable terminal has two kinds of mode of operations, promptly original mobile paging business model and newly-increased Mobile Broadcast Services pattern.Under original mobile paging mode of operation, terminal works resides at the sub-district of original operation layer in original operation layer, carries out work according to original workflow; Switching to broadcasting service mode of operation following time, portable terminal will reside at the sub-district of broadcasting service layer.Portable terminal carries out when mobile at the broadcasting service layer, the signal in search adjacent position district, and signal is carried out soft merging at adjacent position district intersection, when the signal in certain the adjacent position district that searches is compared with the signal of present position-region when exceeding default threshold value, described adjacent position district is switched to the present position-region of described portable terminal and trigger position renewal process.
For only there being a cover to receive the portable terminal of module in the receiving element, shown in Fig. 5 a, need interrupt broadcasting service in short-term when upgrading in the position.When terminal moves to a new lane place, need carry out the position and upgrade.Suppose that current broadcasting service layer lane place is B1, portable terminal is by the paging channel information of B1, obtain with B1 in the information of original operation layer sub-district, these information help portable terminals find as early as possible communication quality the best, can be resident the sub-district, be assumed to be C1.Portable terminal utilizes RACH to initiate to insert at random request in C1 this moment.The main control unit of portable terminal, it is the master controller 601 among Fig. 6, the control receiving element temporarily interrupts the reception of broadcasting service, but in the AICH information of original operation layer reception from C1, afterwards again with receive frequency be tuned to broadcasting frequency f3, start the search of B1 early and synchronously, utilize f1 to send the up message that comprises location updating message simultaneously, wait for that on B1 receiving position upgrades confirmation, recover reception broadcast service content.
If having two covers, the receiving element of portable terminal receives module, shown in Fig. 5 b, promptly use separately receiver module respectively in broadcasting service layer model and original operation layer pattern, then above position updating process and broadcasting service can be carried out simultaneously, when carrying out the position renewal, then do not need to interrupt broadcasting service.
Portable terminal is increased in the supervision paging function under the broadcasting service pattern, and its method that monitors paging is identical with original business model.Core net sends paging signal to terminal, be according to the positional information that receives, select the sub-district of corresponding lane place, at the portable terminal that is in the broadcasting service pattern, send descending paging information by broadcasting service carrier frequency f3, at the portable terminal that is in original business model, then send descending paging information by original traffic carrier frequency f 2.
The portable terminal that is in the broadcasting service pattern sends broadcast program to network side and receives request, authentication information, or initiates original operation layer calling or carry out call answering, is all undertaken by original operation layer.Promptly when the user need send information, according to the frequency of each sub-district of original operation layer of broadcasting service layer broadcasting and scrambling code information etc., carry out the cell selecting process, select the sub-district of the strongest pilot tone resident and send the request that inserts at random, thereby switch to original operation layer.
The method that broadcasting service is provided in mobile communications network that the embodiment of the invention proposes is applicable in third generation code division multiple access various mobile communication system such as (CDMA) and carries out broadcasting service.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. method that broadcasting service is provided in mobile communications network is characterized in that:
Setting up to be exclusively used in the wireless access network of the mobile radio communication that contains former operation layer provides the broadcasting service of broadcasting service layer, and this broadcasting service layer is only established independently downlink carrier frequency;
Described broadcasting service layer is divided into the sub-district, and several microzonations are divided into the same position district, identical scrambler is used in each sub-district in the same position district, and the adjacent position district uses different scramblers;
Described broadcasting service layer is provided with broadcast channel and paging channel, and broadcast channel is used to transmit broadcasting service, and paging channel is used for paging and is in portable terminal under the broadcast mode, and broadcast channel and/or paging channel also are used to broadcast corresponding cell information;
Portable terminal is by switchable former operation layer and two kinds of mode of operation work of broadcasting service layer, and under broadcasting service layer mode of operation, portable terminal resides at the sub-district of broadcasting service layer and monitors paging.
2. a kind of method that broadcasting service is provided in mobile communications network according to claim 1 is characterized in that described cell information comprises:
The scrambler in residing lane place, broadcasting service floor sub-district and adjacent position district;
And/or, broadcasting service layer paging channel configuration information;
And/or, the frequency of the original operation layer sub-district adjacent, scrambler, Random Access Channel, AICH Acquisition Indication Channel, the forward access channel information relevant with Random Access Channel with each sub-district in this lane place of broadcasting service layer.
3. a kind of method that broadcasting service is provided in mobile communications network according to claim 1 is characterized in that:
The broadcast channel of described broadcasting service layer and paging channel adopt time division multiplexing mode;
And/or in the described broadcasting service layer, carry out scrambler in the lane place of interval predeterminable range multiplexing.
4. a kind of method that broadcasting service is provided in mobile communications network according to claim 1, it is characterized in that: the cell range of described broadcasting service layer and the little area overlapping of original operation layer, lane place scope and original operation layer lane place of described broadcasting service layer are overlapping.
5. a kind of method that broadcasting service is provided in mobile communications network according to claim 4, it is characterized in that: the described portable terminal that resides at broadcasting service layer sub-district, it is in the information of broadcasting service layer model and the location area information of original operation layer is formed to its location area information by sign.
6. a kind of method that broadcasting service is provided in mobile communications network according to claim 1 is characterized in that this method further comprises:
Described portable terminal carries out when mobile at the broadcasting service layer, the signal in search adjacent position district, and signal is carried out soft merging at adjacent position district intersection, when the signal in certain the adjacent position district that searches is compared with the signal of present position-region when exceeding default threshold value, described adjacent position district is switched to the present position-region of described portable terminal and trigger position renewal process.
7. a kind of method that broadcasting service is provided in mobile communications network according to claim 6 is characterized in that described position updating process comprises:
Described portable terminal is according to the information of each original operation layer sub-district in the present position-region of receiving, find can be resident former operation layer sub-district, utilize the Random Access Channel of this former operation layer sub-district to send the request that inserts at random again;
Described portable terminal receive from this former operation layer sub-district catch the sign channel information after, with receive frequency be tuned to the downlink carrier frequency of broadcasting service layer, startup to the search of current broadcast operation layer lane place with synchronously, utilize the uplink carrier frequency of former operation layer to send the message that comprises location updating message to network simultaneously, and wait for that on current broadcast operation layer lane place receiving position upgrades confirmation, perhaps after upgrading confirmation, former operation layer receiving position returns the broadcasting service layer.
8. a kind of method that broadcasting service is provided in mobile communications network according to claim 1, it is characterized in that: described portable terminal monitors paging under the broadcasting service layer model, be the mobile terminal locations district information that receives by network based, select the sub-district in relevant position district, send descending paging information to portable terminal by broadcasting service layer carrier frequency.
9. according to each described a kind of method that broadcasting service is provided in mobile communications network in the claim 1～8, it is characterized in that: described portable terminal, a shared cover receives module under broadcasting service layer model and former operation layer pattern; Perhaps use receiver module separately respectively.
10. the system that broadcasting service is provided in mobile communications network comprises portable terminal and the wireless access network that contains the mobile radio communication of former operation layer, it is characterized in that:
Also being provided with in the wireless access network of described mobile radio communication to be exclusively used in provides the broadcasting service of broadcasting service layer processing unit, and this broadcasting service layer processing unit is that the broadcasting service layer is only established independently downlink carrier frequency;
Described broadcasting service layer processing unit is divided into the sub-district with the broadcasting service layer, and several microzonations are divided into the same position district, and identical scrambler is used in each sub-district in the same position district, and the adjacent position district uses different scramblers;
And described broadcasting service layer processing unit, for the broadcasting service layer is provided with broadcast channel and paging channel, broadcast channel is used to transmit broadcasting service, and paging channel is used for paging and is in portable terminal under the broadcast mode, and broadcast channel and/or paging channel also are used to broadcast corresponding cell information;
Described portable terminal is by switchable former operation layer and two kinds of mode of operation work of broadcasting service layer, and under broadcasting service layer mode of operation, portable terminal resides at the sub-district of broadcasting service layer and monitors paging.
11. a kind of system that broadcasting service is provided in mobile communications network according to claim 10 is characterized in that:
The broadcast channel of described broadcasting service layer and paging channel adopt time division multiplexing mode;
And/or in the described broadcasting service layer, the lane place of predeterminable range takes scrambler multiplexing at interval;
And/or, the cell range of described broadcasting service layer and the little area overlapping of original operation layer, lane place scope and original operation layer lane place of described broadcasting service layer are overlapping.
12., it is characterized in that according to claim 10 or 11 described a kind of systems that broadcasting service is provided in mobile communications network:
Described portable terminal comprises main control unit and receiving element;
Described main control unit is used to control the switching between broadcasting service layer model and former operation layer pattern;
Described receiving element is used for receiving business information and receiving broadcasting information and monitor paging under the broadcasting service layer model under former operation layer pattern.
13. a kind of system that broadcasting service is provided in mobile communications network according to claim 12 is characterized in that:
Described receiving element comprises first receiver module and second receiver module;
Described first receiver module is used for receiving business information under former operation layer pattern;
Described second receiver module is used under the broadcasting service layer model receiving broadcasting information and monitors paging.
14. the portable terminal of a receiving broadcast service in mobile communications network is characterized in that:
Described portable terminal comprises main control unit and receiving element;
Described main control unit is used to control the switching between broadcasting service layer model and former operation layer pattern;
Described receiving element is used for receiving business information and receiving broadcasting information and monitor paging under the broadcasting service layer model under former operation layer pattern.
15. according to claim 14 a kind of in mobile communications network the portable terminal of receiving broadcast service, it is characterized in that:
Described receiving element comprises first receiver module and second receiver module;
Described first receiver module is used for receiving business information under former operation layer pattern;
Described second receiver module is used under the broadcasting service layer model receiving broadcasting information and monitors paging.
16. a wireless access network of realizing broadcasting service in mobile communications network is characterized in that:
Described wireless access network comprises to be exclusively used in provides the broadcasting service of broadcasting service layer processing unit, and this broadcasting service layer processing unit is that the broadcasting service layer is only established independently downlink carrier frequency;
Described broadcasting service layer processing unit is used for the broadcasting service layer is divided into the sub-district, and several microzonations are divided into the same position district, and identical scrambler is used in each sub-district in the same position district, and the adjacent position district uses different scramblers;
And described broadcasting service layer processing unit, also be used to the broadcasting service layer that broadcast channel and paging channel are set, broadcast channel is used to transmit broadcasting service, and paging channel is used for paging and is in portable terminal under the broadcast mode, and broadcast channel and/or paging channel also are used to broadcast corresponding cell information.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101986725A (en) * | 2009-07-29 | 2011-03-16 | 中兴通讯股份有限公司 | Realizing method and system for cell group with same pseudorandom noise (PN) based on code division multiple access (CDMA) cluster system |
| CN102474350A (en) * | 2009-09-04 | 2012-05-23 | Lg电子株式会社 | Method of controlling monitoring operation of physical downlink channel in wireless communication system |
| CN109640367A (en) * | 2012-08-10 | 2019-04-16 | 高通股份有限公司 | The independent switching of uplink and downlink in LTE |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101986725A (en) * | 2009-07-29 | 2011-03-16 | 中兴通讯股份有限公司 | Realizing method and system for cell group with same pseudorandom noise (PN) based on code division multiple access (CDMA) cluster system |
| CN101986725B (en) * | 2009-07-29 | 2014-12-10 | 中兴通讯股份有限公司 | Realizing method and system for cell group with same pseudorandom noise (PN) based on code division multiple access (CDMA) cluster system |
| CN102474350A (en) * | 2009-09-04 | 2012-05-23 | Lg电子株式会社 | Method of controlling monitoring operation of physical downlink channel in wireless communication system |
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