CN101132298B - Multicast device used for multimedia broadcast multicast service and method thereof - Google Patents
Multicast device used for multimedia broadcast multicast service and method thereof Download PDFInfo
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- CN101132298B CN101132298B CN2006101124897A CN200610112489A CN101132298B CN 101132298 B CN101132298 B CN 101132298B CN 2006101124897 A CN2006101124897 A CN 2006101124897A CN 200610112489 A CN200610112489 A CN 200610112489A CN 101132298 B CN101132298 B CN 101132298B
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
This invention discloses a multicast device and a method used in MBMS, in which, the device includes: a framing device set on a radio network controller and used in packaging MBMS data to form data frames and send them via FP load used in the MBMS service, a de-frame distributor set on node B and used in receiving and analyzing data frames to get local area information related to the MBMS data and then sending the MBMS data to the local area, in which, said data frame includes a frame head domain and an effecitive load domain, and the frame head domain includes: head circulation redundant value, a label of frame kind, number of connected frames, instruction of transmission format, a local area distribution label and a label of emission power level, said effective load includes: a data block, a label of local area numbers, label of local area information and an effective load domain circulation redundant value, which reduces FP loading resources used in MBMS and transmission redundance of its content.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of multicast device and method thereof that is used for the multimedia broadcast multicast service.
Background technology
Along with development communication technologies, the mobile data speed that can provide is more and more higher, the application form of mobile service is also more and more diversified, except business such as satisfy that phone, message and surfing Internet with cell phone are browsed, also emerged a large amount of high bandwidth multimedia services, as video conference, television broadcasting, video request program, advertisement, online education, interactive game etc.Wherein there is a class business to have a common characteristic: to require a plurality of users to receive identical business simultaneously.As weather forecast, news, advertisement, information, TV etc.In order to effectively utilize mobile network resource, introduce multimedia broadcast multicast service (Multimedia Broadcast MulticastService, MBMS), promptly in the mobile network, provide a data source to send the point-to-multipoint service of data to a plurality of users, realize that mobile core network and access network resource are shared, improve utilization rate of network resource, the especially Bao Gui interface resource of eating dishes without rice or wine.
Frame-forming protocol (Framing Protocol, FP) in the design, in particular for the design limiting of the FP frame structure of MBMS to be merely able to a sub-district be the unit Data transmission, need all set up the FP carrying that is used for MBMS for each sub-district, and may on each is used for the FP carrying of MBMS, repeat to send the on all four MBMS content of content.Consider the most frequently used a kind of application scenarios: a Node B is administered a plurality of sub-districts, terminal is all arranged at the MBMS that receives identical content in each sub-district.So, according to existing design, need set up the FP carrying of a plurality of MBMS of being used for, and the MBMS content that sends in this all FP carrying that is used for MBMS is identical, the significant wastage that will cause resource to be used like this, and the redundancy that sends the MBMS content.Therefore, there is defective in this design, does not meet the design core concept of MBMS resource-sharing.
The invention provides a kind of multimedia broadcast multicast service method that is used for, by rational frame structure, for a plurality of sub-districts that send the same MBMS content under the Node B, only need be in a FP carrying that is used for MBMS the unduplicated MBMS content of transmission, thereby reduce transmission resource waste and MBMS content transmission redundancy between RNC (Radio NetworkController, radio network controller) and B node.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multicast device and method thereof that is used for the multimedia broadcast multicast service, is used for solving the wasting of resources and the MBMS content that cause and sends redundancy issue when the mobile network realizes point-to-multipoint service.
To achieve these goals, the invention provides a kind of multicast device that is used for the multimedia broadcast multicast service, be used to comprise the wireless communication system of radio network controller and Node B, it is characterized in that, comprising:
One framer is arranged on the described radio network controller, is used for the MBMS data are encapsulated formation one Frame, and sends described Frame by a FP carrying that is used for the MBMS business;
One separates the frame distributor, is arranged on the described Node B, is used for receiving and analyzing described Frame, obtains and the relevant cell information of described MBMS data, according to described cell information described MBMS data is sent to the sub-district again;
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
The described multicast device that is used for the multimedia broadcast multicast service, wherein, the type of the information of described sub-district comprises:
The sign of one cell identification number and a forward access channel, wherein, described cell identification number is used for described sub-district is identified; The sign of described forward access channel is used to identify the forward access channel of the described MBMS data of carrying;
The sign of described cell identification number and an auxilliary public physical control channel, wherein, the sign of described auxilliary public physical control channel is used to identify the auxilliary public physical control channel of the described MBMS data of carrying;
One binding logo corresponding with forward channel is used to identify the forward access channel that carries described MBMS data; And
An one transport layer address corresponding with forward channel and a udp port number, wherein, the described transport layer address corresponding with forward channel, described udp port number are used to identify the forward access channel of the described MBMS data of carrying.
The described multicast device that is used for the multimedia broadcast multicast service, wherein, described frame head territory comprises that also one is used for the idle bit of word alignment.
The described multicast device that is used for the multimedia broadcast multicast service, wherein, described payload field also comprises an idle extension bits, is used to place the cell that increases newly.
The described multicast device that is used for the multimedia broadcast multicast service, wherein, described payload field also comprises pieces together bit, is arranged at the afterbody of described data block, is used for the word alignment.
To achieve these goals, the invention allows for a kind of multicasting method that utilizes described device to carry out the multimedia broadcast multicast service, be applicable to the wireless communication system that comprises radio network controller and Node B, it is characterized in that, comprising:
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
The described multicasting method that is used for the multimedia broadcast multicast service, wherein, the type of the information of described sub-district comprises:
The sign of one cell identification number and a forward access channel, wherein, described cell identification number is used for described sub-district is identified; The sign of described forward access channel is used to identify the forward access channel of the described MBMS data of carrying;
The sign of described cell identification number and an auxilliary public physical control channel, wherein, the sign of described auxilliary public physical control channel is used to identify the auxilliary public physical control channel of the described MBMS data of carrying;
One binding logo corresponding with forward channel is used to identify the forward access channel that carries described MBMS data; And
An one transport layer address corresponding with forward channel and a udp port number, wherein, the described transport layer address corresponding with forward channel, described udp port number are used to identify the forward access channel of the described MBMS data of carrying.
The described multicasting method that is used for the multimedia broadcast multicast service, wherein, described frame head territory comprises that also one is used for the idle bit of word alignment.
The described multicasting method that is used for the multimedia broadcast multicast service, wherein, described payload field also comprises an idle extension bits, is used to place the cell that increases newly.
The described multicasting method that is used for the multimedia broadcast multicast service, wherein, described payload field also comprises pieces together bit, is arranged at the afterbody of described data block, is used for the word alignment.
To achieve these goals, the invention allows for a kind of multicast device that is used for the multimedia broadcast multicast service, be used to comprise the wireless communication system of radio network controller and Node B, it is characterized in that, comprising:
One framer is arranged on the described radio network controller, is used for the MBMS data are encapsulated formation one Frame, and sends described Frame by a FP carrying that is used for the MBMS business;
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
To achieve these goals, the invention allows for a kind of multicast device that is used for the multimedia broadcast multicast service, be used to comprise the wireless communication system of radio network controller and Node B, it is characterized in that, comprising:
One separates the frame distributor, be arranged on the described Node B, be used to receive and analyze the Frame that transmits by a FP carrying that is used for the MBMS business to the formation of MBMS data encapsulation, obtain and the relevant cell information of described MBMS data, according to described cell information described MBMS data are sent to the sub-district again;
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
The present invention is by carrying each cell information that transmits same MBMS content in frame structure, make if in a FP carrying that is used for MBMS the unduplicated MBMS content of transmission.Compared with prior art, it has following obvious technique effect:
1), reduces the FP bearing resource that is used for MBMS.In existing the realization, need set up the FP carrying that is used for MBMS for each sub-district.And behind employing the present invention, each Node B only need be set up a FP carrying that is used for MBMS, has reduced the FP bearing resource that need be used for MBMS greatly, does not waste.
2), reduce the redundant transmission of MBMS content.In existing the realization,, must repeat to send the MBMS content, directly cause data traffic big for a plurality of sub-districts that send the same MBMS content under the Node B.And behind employing the present invention, need not redundantly send, reduced the MBMS data traffic greatly.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is used for the data transmission device structure chart of multimedia broadcast multicast service for the present invention;
Fig. 2 is MBMS FP frame structure schematic diagram among the present invention;
Fig. 3 is the specific embodiment schematic diagram among the present invention.
Embodiment
See also shown in Figure 1ly, be used for the data transmission device structure chart of multimedia broadcast multicast service for the present invention.Among this figure, what data transmission device comprised the framer 1 that is positioned at RNC and was positioned at the B node separates frame distributor 2, framer 1 encapsulates framing with the MBMS data, send to by the FP carrying that is used for MBMS and to separate frame distributor 2, separate frame distributor 2 and separate frame and obtain related cell information, carry out multicast to a plurality of sub-districts (Cell) then and send.
See also shown in Figure 2ly, be MBMS FP frame structure schematic diagram among the present invention.Among this figure, frame structure comprises frame head territory and two territories of payload field.
Above-mentioned frame head territory has:
A1), a cyclic redundancy value (Header CRC) for all bits to this frame head territory carry out the calculated value that obtains behind the cyclic redundancy algorithm, is used for cyclic redundancy check (CRC) is carried out in this frame head territory; Wherein CRC (Cyclic Redundancy Code) is cyclic redundancy code/value.
A2), (Frame Type, FT) mark are used to indicate the frame type of this frame to frame type, specifically are a Frame or a control frame;
A3), and Connection Frame Number (Connection Frame Number, CFN), CFN has indicated the frame of eating dishes without rice or wine of this payload field correspondence at the concrete delivery time of eating dishes without rice or wine;
A4), (Transport Format Indicator TFI), is this locality of the transformat that transmits in the Transmission Time Interval number for transformat indication, determine the concrete transformat of payload in this payload field thus, comprised transport block length and transport block set size;
A5), (Cell Distribution Flag, CDF), whether expression needs the data in the payload field are carried out the distribution of a plurality of sub-districts sub-district distribution mark.If desired, then in payload field, carry each cell information that needs distribution; If do not need, then need not in payload field, to carry cell information;
A6), (indication first-selected transmitting power in Transmission Time Interval is adjusted rank to transmit power levels for Transmit Power Level, TPL) mark; And
A7), idle bit (Spare) without any practical significance, only is used for the word alignment.
Above-mentioned payload field has:
B1), (Transport Block TB), claims data block again to transmission block, is used to store the data that will send, just the MBMS that will eat dishes without rice or wine to send.The transformat of transmission block determines that by the TFI in the frame head territory comprise transport block length and transport block set size, for example, in a frame, data are divided into several transmission blocks and transmit.At the afterbody of each piece transmission block, also may exist several to piece together bit (Pad), so that the word alignment;
B2), sub-district number (Cell Number) mark, the total number of the sub-district that is used to represent that data block need mail to; Can be to use the space of idle extension bits (Spare Extension), also can be to increase in addition before in idle extension bits (Spare Extension);
B3), cell information (Cell Information), the information of the sub-district that is used to represent that each data block need mail to; Can be to use the space of idle extension bits (Spare Extension), also can be to increase in addition before in idle extension bits (Spare Extension);
B4), payload field cyclic redundancy value (Payload CRC) is just carried out the calculated value that obtains behind the cyclic redundancy algorithm to all bits of this payload field, is used for this payload field is carried out cyclic redundancy check (CRC); And
B5), idle extension bits (Spare Extension), all the time be close to and be positioned at before the Payload CRC, it is the idle no position that agreement is reserved, or taken remaining idle no position, back by sub-district number (Cell Number) mark and cell information (Cell Information), idle extension bits (SpareExtension) can be placed the cell that increases newly, is used to guarantee backward compatibility.
The information of the sub-district that the cell information in the above-mentioned payload field is used to represent that the MBMS data need mail to, its concrete form is not limit, as long as can navigate to the transmission channel of the corresponding MBMS of carrying in the sub-district according to this information.Several possible cell informations are as follows:
C1), use the sign (FACH ID) of cell identification number (CID)+forward access channel: wherein, CID is used for the sub-district is identified, but in a B node sub-district of unique identification; FACHID is used to identify the forward access channel of carrying MBMS, can forward access channel of unique identification in a sub-district; Wherein, CID (Cell Identity) is a cell identification number, and FACH (Forward AccessChannel) is a forward access channel.
C2), use sign (the SecondaryCommon Control Physical Channel ID of cell identification number (CID)+auxilliary public physical control channel, SCCPCH ID): wherein, CID is used for the sub-district is identified, but in a B node sub-district of unique identification; SCCPCH ID is used to identify the auxilliary public physical control channel of carrying MBMS, can unique identification in a sub-district an auxilliary public physical control channel, when only carrying a FACH on the SCCPCH, use SCCPCH ID also can be in a sub-district forward access channel of unique identification; Wherein, SCCPCH (Secondary CommonControl Physical Channel) is auxilliary public physical control channel.
C3), use the Binding ID (binding logo) of FACH correspondence: Binding ID is used to identify the forward access channel of carrying MBMS, but in a B node forward access channel of unique identification; And
C4), use transport layer address (Transport Layer the Address)+udp port number (UDP port) of FACH correspondence: wherein, transport layer address and udp port number are used to identify the forward access channel of carrying MBMS, but in a B node forward access channel of unique identification; UDP (UserDatagram Protocol) is a User Datagram Protoco (UDP).
See also shown in Figure 3ly, be the specific embodiment schematic diagram among the present invention.This embodiment provides a kind of FP frame structure by MBMS to realize that MBMS Iub mouthpiece carries multiplexing method, as shown in Figure 3.
Set scene: cell identification CID is respectively 1,3 and need sends identical MBMS business with three sub-districts of 5 under certain B node, the FACH ID of bearer service is respectively 6,4 and 2, at this MBMS business, only need set up a FP carrying between RNC and B node, use FP frame structure of the present invention to carry the information of three sub-districts then and indicate the B node in three sub-districts, to distribute identical MBMS business tine.About the tissue of MBMS FP frame structure of the present invention, be that example is described as follows with the framing procedure of a FP:
The step of framing comprises in the frame head territory:
Step 110 is designated as Frame in the 1st byte FT territory;
Step 120 is filled in the CFN of this FP frame in the 2nd byte, is assumed to be 250;
Step 130 is filled in the transformat of payload and is indicated in the TFI territory of the 3rd byte, be assumed to be 3, needs to carry out sub-district distribution operation after CDF territory indication B node is received this frame;
Step 140 is filled in transmitting power in the 4th byte and is adjusted rank, is assumed to be 1; And
Step 150 is carried out cyclic redundancy to all bits in frame head territory and is calculated the cyclic redundancy value, is filled up to the Header CRC territory of the 1st byte, and frame head territory framing finishes.
The step of framing comprises in the payload field:
Step 210 since the 1st byte, is filled in the MBMS data according to the transport block length and the transmission block piece number of TFI indication in the frame head territory, at the afterbody of each piece transmission block, fills in several as required and pieces together bit (Pad), and the transmission block number in the present embodiment is 2;
After step 220, transmission block are filled in and finished, fill in the sub-district number in an ensuing byte, the sub-district number equals 3 in the present embodiment;
Step 230 is filled in the CID/FACH ID of each sub-district in ensuing byte, be respectively 1/6,3/4 and 5/2, one sub-district in the present embodiment and take 3 bytes;
After step 240, cell information are filled in and finished, in ensuing byte, fill in idle extension bits, in the present embodiment free time need not, take 1 byte; And
Step 250 is carried out cyclic redundancy to all bits of payload field and is calculated the cyclic redundancy value, is filled up in the Payload CRC territory, and the payload field framing finishes.
A kind of multicast device and method thereof that is used for MBMS that the present invention proposes, it relates generally to the FP frame structure of a kind of MBMS of being used for, in this frame structure, carry the relevant information of each sub-district of transmitting same MBMS content, make for a plurality of sub-districts that send the same MBMS content under the Node B, only need in a FP carrying that is used for MBMS, send unduplicated MBMS content and get final product, thereby significantly reduce the wasting of resources and MBMS content transmission redundancy.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (12)
1. one kind is used for the multicast device that multimedia broadcast multicast is served, and is used to comprise the wireless communication system of radio network controller and Node B, it is characterized in that, comprising:
One framer is arranged on the described radio network controller, is used for the MBMS data are encapsulated formation one Frame, and sends described Frame by a frame-forming protocol FP carrying that is used for the MBMS business;
One separates the frame distributor, is arranged on the described Node B, is used for receiving and analyzing described Frame, obtains and the relevant cell information of described MBMS data, according to described cell information described MBMS data is sent to the sub-district again;
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
2. the multicast device that is used for the multimedia broadcast multicast service according to claim 1 is characterized in that the type of the information of described sub-district comprises:
The sign of one cell identification number and a forward access channel, wherein, described cell identification number is used for described sub-district is identified; The sign of described forward access channel is used to identify the forward access channel of the described MBMS data of carrying;
The sign of described cell identification number and an auxilliary public physical control channel, wherein, the sign of described auxilliary public physical control channel is used to identify the auxilliary public physical control channel of the described MBMS data of carrying;
One binding logo corresponding with forward channel is used to identify the forward access channel that carries described MBMS data; And
An one transport layer address corresponding with forward channel and a udp port number, wherein, the described transport layer address corresponding with forward channel, described udp port number are used to identify the forward access channel of the described MBMS data of carrying.
3. the multicast device that is used for the multimedia broadcast multicast service according to claim 1 and 2 is characterized in that, described frame head territory comprises that also one is used for the idle bit of word alignment.
4. the multicast device that is used for the multimedia broadcast multicast service according to claim 1 and 2 is characterized in that described payload field also comprises an idle extension bits, is used to place the cell that increases newly.
5. the multicast device that is used for the multimedia broadcast multicast service according to claim 1 and 2 is characterized in that described payload field also comprises pieces together bit, is arranged at the afterbody of described data block, is used for the word alignment.
6. a multicasting method that utilizes the described device of claim 1 to carry out the multimedia broadcast multicast service is applicable to the wireless communication system that comprises radio network controller and Node B, it is characterized in that, comprising:
Step 1 encapsulates formation one Frame by framer to the MBMS data, and sends described Frame by a frame-forming protocol FP carrying that is used for the MBMS business;
Step 2 by separating the reception of frame distributor and analyzing described Frame, obtains and the relevant cell information of described MBMS data, according to described cell information described MBMS data is sent to the sub-district again;
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
7. the multicasting method that is used for the multimedia broadcast multicast service according to claim 6 is characterized in that the type of the information of described sub-district comprises:
The sign of one cell identification number and a forward access channel, wherein, described cell identification number is used for described sub-district is identified; The sign of described forward access channel is used to identify the forward access channel of the described MBMS data of carrying;
The sign of described cell identification number and an auxilliary public physical control channel, wherein, the sign of described auxilliary public physical control channel is used to identify the auxilliary public physical control channel of the described MBMS data of carrying;
One binding logo corresponding with forward channel is used to identify the forward access channel that carries described MBMS data; And
An one transport layer address corresponding with forward channel and a udp port number, wherein, the described transport layer address corresponding with forward channel, described udp port number are used to identify the forward access channel of the described MBMS data of carrying.
8. according to claim 6 or the 7 described multicasting methods that are used for the multimedia broadcast multicast service, it is characterized in that described frame head territory comprises that also one is used for the idle bit of word alignment.
9. according to claim 6 or the 7 described multicasting methods that are used for the multimedia broadcast multicast service, it is characterized in that described payload field also comprises an idle extension bits, is used to place the cell that increases newly.
10. according to claim 6 or the 7 described multicasting methods that are used for the multimedia broadcast multicast service, it is characterized in that described payload field also comprises pieces together bit, is arranged at the afterbody of described data block, be used for the word alignment.
11. one kind is used for the multicast device that multimedia broadcast multicast is served, and is used to comprise the wireless communication system of radio network controller and Node B, it is characterized in that, comprising:
One framer is arranged on the described radio network controller, is used for the MBMS data are encapsulated formation one Frame, and sends described Frame by a frame-forming protocol FP carrying that is used for the MBMS business;
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
12. one kind is used for the multicast device that multimedia broadcast multicast is served, and is used to comprise the wireless communication system of radio network controller and Node B, it is characterized in that, comprising:
One separates the frame distributor, be arranged on the described Node B, be used to receive and analyze the Frame that transmits by a frame-forming protocol FP carrying that is used for the MBMS business to the formation of MBMS data encapsulation, obtain and the relevant cell information of described MBMS data, according to described cell information described MBMS data are sent to the sub-district again;
Wherein, described Frame comprises frame head territory and payload field, and described frame head territory comprises again:
A cyclic redundancy value is used for cyclic redundancy check (CRC) is carried out in described frame head territory;
One frame type mark is used to represent the type of described Frame;
One Connection Frame Number is used to represent that the frame of eating dishes without rice or wine of described payload field correspondence is at the delivery time of eating dishes without rice or wine;
One transformat is indicated, and is used for determining the transformat of described payload field payload;
Distribution mark in one sub-district is used for representing whether the data of described payload field are carried out the distribution of a plurality of sub-districts; And
One transmit power levels mark is used for being illustrated in the first-selected transmitting power of Transmission Time Interval and adjusts rank;
Described payload field comprises:
One data block is used to store the MBMS data that will send;
One sub-district number mark, the total number of the sub-district that is used to represent that described data block need mail to;
One cell information mark, the information of the sub-district that is used to represent that each data block need mail to; And
One payload field cyclic redundancy value is used for described payload field is carried out cyclic redundancy check (CRC).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006101124897A CN101132298B (en) | 2006-08-21 | 2006-08-21 | Multicast device used for multimedia broadcast multicast service and method thereof |
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| CN2006101124897A CN101132298B (en) | 2006-08-21 | 2006-08-21 | Multicast device used for multimedia broadcast multicast service and method thereof |
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| CN101132298A CN101132298A (en) | 2008-02-27 |
| CN101132298B true CN101132298B (en) | 2011-11-30 |
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| CN102711195B (en) * | 2008-08-11 | 2014-12-24 | 华为技术有限公司 | Cell reselection method and terminal |
| DE102012008517A1 (en) | 2012-05-02 | 2013-11-07 | T-Mobile Austria Gmbh | A method for generating service usage data in a telecommunication network, method for transmitting and / or exchanging service usage data between a telecommunication network and another telecommunication network, telecommunication network, computer program and computer program product |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467938A (en) * | 2002-07-08 | 2004-01-14 | 华为技术有限公司 | Transmission method for implementing multimedia broadcast and multicast service |
| CN1708960A (en) * | 2002-10-28 | 2005-12-14 | 诺基亚公司 | System and method for providing selection diversity for multicasting content |
| CN1744572A (en) * | 2005-08-31 | 2006-03-08 | 杭州华为三康技术有限公司 | Switchnig equipment and method for controlling multicasting data forwarding |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467938A (en) * | 2002-07-08 | 2004-01-14 | 华为技术有限公司 | Transmission method for implementing multimedia broadcast and multicast service |
| CN1708960A (en) * | 2002-10-28 | 2005-12-14 | 诺基亚公司 | System and method for providing selection diversity for multicasting content |
| CN1744572A (en) * | 2005-08-31 | 2006-03-08 | 杭州华为三康技术有限公司 | Switchnig equipment and method for controlling multicasting data forwarding |
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