CN108322294A - A kind of method of determining multicast transmission carrier wave - Google Patents
A kind of method of determining multicast transmission carrier wave Download PDFInfo
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- CN108322294A CN108322294A CN201710024688.0A CN201710024688A CN108322294A CN 108322294 A CN108322294 A CN 108322294A CN 201710024688 A CN201710024688 A CN 201710024688A CN 108322294 A CN108322294 A CN 108322294A
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- mcch
- sfn
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- tmgi
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention proposes a kind of method of determining multicast transmission carrier wave, including：System broadcast information is received, the configuration information of list cell multicast control channel SC MCCH is obtained；The carrier information where the SC MCCH is determined one of in the following way：According to Predistribution Algorithm related with system frame number SFN calculate, from where the SC MCCH for obtaining configuration in the system broadcast information carrier index or the SC MCCH be fixed in anchor carrier wave and transmit；The carrier information where the SC MTCH is determined one of in the following way：Carrier index where obtaining the SC MTCH configured in SC MTCH configurations from the SC MCCH, or calculated according to Predistribution Algorithm related with Temporary Mobile Group Identity TMGI.
Description
Technical field
The present invention relates to mobile communication system more particularly to a kind of methods of determining multicast transmission carrier wave.
Background technology
IoT (Internet of Thing, Internet of Things) is next revolution in the mobile communication ecosystem, it will be
The further development of mobile cellular network provides powerful power.IoT equipment can provide diversified application service, automatically
Meter reading, vending machine, intelligent transportation, safety monitoring and report, the following application such as intelligent medical can will greatly facilitate me
Life.NB-IoT is a kind of new narrowband cellular telecommunication art that in September, 2015 is proposed in the project verification of 3GPP standardization bodies.
Single cell point is based on the MBMS network architectures to multiple spot SC-PTM technologies, is determined to use SC- by multicast coordination entity MCE
PTM transmission modes or Multicast Broadcast Single Frequency Network MBSFN transmission modes.Introduce new logic channel list cell multicast control letter
Road SC-MCCH (LCID=11001) and list cell multicast service channel SC-MTCH (LCID=11001), is mapped to downlink DL-
SCH transmission channels, on PDSCH physical channels.SC-MCCH and SC-MTCH does not support hybrid automatic repeat-request HARQ operation, and
Using the wireless spread-spectrum technology UM RLC of Unacknowledged Mode.New system broadcasts type SIB20 is introduced to transmit matching for SC-MCCH
Confidence ceases, and configuration information includes：Modification period, repetition period and the radio frames and subframe configuration information of SC-MCCH.SC-
MCCH only transmits a message SCPTMConfiguration, the configuration information for configuring SC-PTM.New RNTI is introduced,
SC-RNTI (fixed value FFFC) identifies scheduling informations of the SC-MCCH on PDCCH.Introduce new RNTI, SC-N-RNTI
(fixed value FFFB), come identify SC-MCCH Notification of Changes PDCCH.Referred to a bit in 8 bit in DCI 1C
Show Notification of Changes.Modification cycle boundary is defined as SFN mod m=0, and wherein m is the modification period configured in SIB20.SC-PTM
Configuration information include：Temporary Mobile Group Identity TMGI, optional session id, G-RNTI, SC-PTM DRX configuration informations
And the SC-PTM business information of adjacent area.
In R13NB-IOT, the concept of anchor carrier wave is defined, that is, includes the letters such as the PSS/SSS/MIB/SIB of NB-IOT cells
The cell of breath is known as anchor carrier wave.Not comprising PSS/SSS/MIB/SIB etc., the carrier wave for being served only for transmission services data is known as non-anchor load
Wave.For the UE in connected state, UE can be notified in non-anchor carrier wave uplink industry by dedicated signaling in the business of progress
Business data transmission and reception.
In Rel-14 in NB-IoT, it is desirable to support SC-PTM Multicast operations to support the operations such as software upgrading.Each biography
Defeated is all towards multiple UE；SC-MCCH and SC-MTCH can be transmitted in anchor carrier wave, also can be defeated in the upload of non-anchor carrier wave, and
SC-MCCH and SC-MTCH may be transmitted on different carrier waves.Transmission SC-MCCH and SC- is determined for receiving terminal UE
The carrier wave of MTCH can just be properly received oneself interested multicast service.
Invention content
In view of the above-mentioned problems, the present invention proposes a kind of method of determining multicast transmission carrier wave, including：
System broadcast information is received, the configuration information of single cell multicast control channel SC-MCCH is obtained；
The carrier information where the SC-MCCH is determined one of in the following way：
It is calculated according to Predistribution Algorithm related with system frame number SFN, or
Carrier index where obtaining the SC-MCCH of configuration in the system broadcast information, or
The SC-MCCH is fixed in anchor carrier wave and transmits；
The carrier information where the SC-MTCH is determined one of in the following way：
Carrier index where obtaining the SC-MTCH configured in SC-MTCH configurations from the SC-MCCH, or
It is calculated according to Predistribution Algorithm related with Temporary Mobile Group Identity TMGI.
Further, further include：If cell configures a SC-MCCH, the Predistribution Algorithm related with SFN is root
The carrier index where the SC-MCCH is determined according to SFN or SFN and subframe numbers frequency hopping.
Further, the carrier index determined according to SFN or SFN and subframe numbers frequency hopping where the SC-MCCH
It specifically includes：
Carrier index where SFN mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers) mod number of carrier wave=SC-MCCH.
Further, further include：If cell configures multiple SC-MCCH, the Predistribution Algorithm related with SFN is root
According to SFN and the horizontal CE Level indexes of coverage enhancement or SC-MCCH configuration indexes or SFN, subframe numbers and CE level indexes
Or SC-MCCH configuration index frequency hoppings determine the carrier index where SC-MCCH.
Further, described according to SFN and the horizontal CE Level indexes of coverage enhancement or SC-MCCH configuration indexes, or
Carrier index where person SFN, subframe numbers and CE level indexes or SC-MCCH configuration index frequency hoppings determine SC-MCCH is specific
Including：
Carrier index where (SFN+CE level indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN+SC-MCCH configuration indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers+CE level indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers+SC-MCCH configuration indexes) mod number of carrier wave=SC-MCCH.
Further, the Predistribution Algorithm related with TMGI be according to TMGI, TMGI and SFN or TMGI, SFN and
Subframe numbers frequency hopping determines the carrier index where the SC-MTCH.
Further, described according to TMGI, TMGI and SFN or TMGI, SFN and subframe numbers frequency hopping determine the SC-
Carrier index where MTCH specifically includes：
Carrier index where TMGI mod number of carrier wave=SC-MTCH；Or
(TMGI+SFN) carrier index where mod number of carrier wave=SC-MTCH；Or
Carrier index where (TMGI+SFN*10+ subframe numbers) mod number of carrier wave=SC-MTCH.
Further, further include：The anchor carrier wave and non-anchor carrier wave configuration letter that cell is supported are obtained from system broadcast message
Breath.
Present invention UE under NB-IOT scenes can determine the carrier wave of transmission SC-MCCH and SC-MTCH transmission, convenient for correct
Receive interested multicast service；In order to ensure that transmission reliability can also introduce frequency-hopping mode simultaneously.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments；It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can
To be combined with each other.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
One embodiment of the present of invention proposes a kind of method of determining multicast transmission carrier wave, including：
System broadcast information is received, the configuration information of single cell multicast control channel SC-MCCH is obtained；
The carrier information where the SC-MCCH is determined one of in the following way：
It is calculated according to Predistribution Algorithm related with system frame number SFN, or
Carrier index where obtaining the SC-MCCH of configuration in the system broadcast information, or
The SC-MCCH is fixed in anchor carrier wave and transmits；
The carrier information where the SC-MTCH is determined one of in the following way：
Carrier index where obtaining the SC-MTCH configured in SC-MTCH configurations from the SC-MCCH, or
It is calculated according to Predistribution Algorithm related with Temporary Mobile Group Identity TMGI.
In one alternate embodiment, further include：If cell configures a SC-MCCH, described related with SFN pre-
It is the carrier index determined according to SFN or SFN and subframe numbers frequency hopping where the SC-MCCH to set algorithm.
In one alternate embodiment, the carrier wave where the SC-MCCH is determined according to SFN or SFN and subframe numbers frequency hopping
Index specifically includes：
Carrier index where SFN mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers) mod number of carrier wave=SC-MCCH.
In one alternate embodiment, further include：If cell configures multiple SC-MCCH, described related with SFN pre-
It is according to SFN and the horizontal CE Level indexes of coverage enhancement or SC-MCCH configuration indexes or SFN, subframe numbers and CE to set algorithm
Level indexes or SC-MCCH configuration index frequency hoppings determine the carrier index where SC-MCCH.
In one alternate embodiment, rope is configured according to SFN and the horizontal CE Level indexes of coverage enhancement or SC-MCCH
Draw or SFN, subframe numbers and CE level indexes or SC-MCCH configuration index frequency hoppings determine carrier index where SC-MCCH
It specifically includes：
Carrier index where (SFN+CE level indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN+SC-MCCH configuration indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers+CE level indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers+SC-MCCH configuration indexes) mod number of carrier wave=SC-MCCH.
In one alternate embodiment, Predistribution Algorithm related with TMGI be according to TMGI, TMGI and SFN or TMGI,
SFN and subframe numbers frequency hopping determine the carrier index where the SC-MTCH.
In one alternate embodiment, according to TMGI, TMGI and SFN or TMGI, SFN and subframe numbers frequency hopping determine institute
Carrier index where stating SC-MTCH specifically includes：
Carrier index where TMGI mod number of carrier wave=SC-MTCH；Or
(TMGI+SFN) carrier index where mod number of carrier wave=SC-MTCH；Or
Carrier index where (TMGI+SFN*10+ subframe numbers) mod number of carrier wave=SC-MTCH.
In one alternate embodiment, further include：The anchor carrier wave and non-anchor that cell is supported is obtained from system broadcast message
Carrier configuration information.
For various embodiments of the present invention under NB-IOT scenes, UE can determine the load of transmission SC-MCCH and SC-MTCH transmission
Wave, convenient for being properly received interested multicast service；In order to ensure that transmission reliability can also introduce frequency-hopping mode simultaneously.
Embodiment
First, the carrier information where SC-MCCH is determined.
Scene one, cell configure a SC-MCCH, and the carrier information of SC-MCCH can be determined by following three kinds of modes：
Mode 1 determines carrier index where SC-MCCH according to No. SFN and/or subframe numbers frequency hopping, specific as follows：
The carrier index of SFN mod number of carrier wave=SC-MCCH transmission；Or
The carrier index of (No. SFN*10+subframe) mod number of carrier wave=SC-MCCH transmission.
The carrier index where SC-MCCH is configured when configuring SC-MCCH in mode 2, SIB simultaneously.
Mode 3 is fixed in anchor carrier wave and transmits.
Scene two, cell configure multiple SC-MCCH, and the carrier information of SC-MCCH can be determined by following three kinds of modes：
Mode 1 determines SC-MCCH according to No. SFN and/or subframe numbers and CE level indexes/SC-MCCH configuration index frequency hoppings
The carrier index at place, it is specific as follows：
The carrier index of (SFN+CE level indexes/SC-MCCH configuration indexes) mod number of carrier wave=SC-MCCH transmission；Or
(No. SFN*10+subfram+CE level indexes/SC-MCCH configuration index) mod number of carrier wave=SC-MCCH transmission
Carrier index；
The carrier index where SC-MCCH is configured when configuring SC-MCCH in mode 2, SIB simultaneously.
Mode 3 is fixed in anchor carrier wave and transmits.
The anchor carrier wave supported in cell and the configuration of non-anchor carrier wave can configure in SIB.
Then, it is determined that the carrier information where SC-MTCH.
Mode 1 configures when configuration SC-MTCH in SC-MCCH while configuring the carrier wave where the channel.
Mode 2, according to TMGI and/or SFN, subframe frequency hoppings determine the carrier index where SC-MTCH：
The carrier index of TMGI mod number of carrier wave=SC-MTCH transmission；Or
(TMGI+SFN) carrier index of mod number of carrier wave=SC-MTCH transmission；Or
The carrier index of (No. TMGI+SFN*10+subframe) mod number of carrier wave=SC-MTCH transmission.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of method of determining multicast transmission carrier wave, which is characterized in that including：
System broadcast information is received, the configuration information of single cell multicast control channel SC-MCCH is obtained；
The carrier information where the SC-MCCH is determined one of in the following way：
It is calculated according to Predistribution Algorithm related with system frame number SFN, or
Carrier index where obtaining the SC-MCCH of configuration in the system broadcast information, or
The SC-MCCH is fixed in anchor carrier wave and transmits；
The carrier information where the SC-MTCH is determined one of in the following way：
Carrier index where obtaining the SC-MTCH configured in SC-MTCH configurations from the SC-MCCH, or
It is calculated according to Predistribution Algorithm related with Temporary Mobile Group Identity TMGI.
2. according to the method described in claim 1, it is characterized in that, further including：
If cell configures a SC-MCCH, the Predistribution Algorithm related with SFN is according to SFN or SFN and subframe numbers
Frequency hopping determines the carrier index where the SC-MCCH.
3. according to the method described in claim 2, it is characterized in that, described determine institute according to SFN or SFN and subframe numbers frequency hopping
Carrier index where stating SC-MCCH specifically includes：
Carrier index where SFN mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers) mod number of carrier wave=SC-MCCH.
4. according to the method described in claim 1, it is characterized in that, further including：
If cell configures multiple SC-MCCH, the Predistribution Algorithm related with SFN is horizontal according to SFN and coverage enhancement
CE Level indexes or SC-MCCH configuration indexes or SFN, subframe numbers and CE level indexes or SC-MCCH configuration indexes are jumped
Frequency determines the carrier index where SC-MCCH.
5. according to the method described in claim 4, it is characterized in that, described according to SFN and the horizontal CE Level ropes of coverage enhancement
Draw or SC-MCCH configuration indexes or SFN, subframe numbers and CE level indexes or SC-MCCH configuration index frequency hoppings determine SC-
Carrier index where MCCH specifically includes：
Carrier index where (SFN+CE level indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN+SC-MCCH configuration indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers+CE level indexes) mod number of carrier wave=SC-MCCH；Or
Carrier index where (SFN*10+ subframe numbers+SC-MCCH configuration indexes) mod number of carrier wave=SC-MCCH.
6. according to the method described in claim 1, it is characterized in that, the Predistribution Algorithm related with TMGI is according to TMGI,
TMGI and SFN or TMGI, SFN and subframe numbers frequency hopping determine the carrier index where the SC-MTCH.
7. according to the method described in claim 6, it is characterized in that, described according to TMGI, TMGI and SFN or TMGI, SFN
Carrier index where determining the SC-MTCH with subframe numbers frequency hopping specifically includes：
Carrier index where TMGI mod number of carrier wave=SC-MTCH；Or
(TMGI+SFN) carrier index where mod number of carrier wave=SC-MTCH；Or
Carrier index where (TMGI+SFN*10+ subframe numbers) mod number of carrier wave=SC-MTCH.
8. according to the method described in claim 1, it is characterized in that, further including：
The anchor carrier wave and non-anchor carrier configuration information that cell is supported are obtained from the system broadcast message.
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| CN201710024688.0A CN108322294A (en) | 2017-01-13 | 2017-01-13 | A kind of method of determining multicast transmission carrier wave |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891253A (en) * | 2020-07-02 | 2022-01-04 | 大唐移动通信设备有限公司 | Multicast processing method, configuration method, device, terminal and network side equipment |
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- 2017-01-13 CN CN201710024688.0A patent/CN108322294A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891253A (en) * | 2020-07-02 | 2022-01-04 | 大唐移动通信设备有限公司 | Multicast processing method, configuration method, device, terminal and network side equipment |
| CN113891253B (en) * | 2020-07-02 | 2023-03-24 | 大唐移动通信设备有限公司 | Multicast processing method, configuration method, device, terminal and network side equipment |
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Application publication date: 20180724 |