CN102857868B - Device and method for sending unicast services - Google Patents
Device and method for sending unicast services Download PDFInfo
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- CN102857868B CN102857868B CN201110181196.5A CN201110181196A CN102857868B CN 102857868 B CN102857868 B CN 102857868B CN 201110181196 A CN201110181196 A CN 201110181196A CN 102857868 B CN102857868 B CN 102857868B
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Abstract
The invention discloses a device and a method for sending unicast services. The method includes: an MBSFN (multimedia broadcast single-frequency network) reserved cell determines cell reference signal transmitting power for the MBSFN reserved cell according to cell reference signal transmitting power of cells adjacent to the MBSFN reserved cell; the MBSFN reserved cell determines traffic channel transmitting power for the MBSFN reserved cell according to the determined cell reference signal transmitting power of the MBSFN reserved cell; and the MBSFN reserved cell sends unicast services on MBSFN subframes according to the determined traffic channel transmitting power and the cell reference signal transmitting power of the MBSFN reserved cell. Using the device and the method for sending unicast services can solve the problem of waste of matchable MBSFN subframes caused by the fact that MBMS (multimedia broadcast multicast service) is not transmitted on the MBSFN subframes in the MBSFN reserved cell.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of unicast service sending method and device.
Background technology
MBMS (Multimedia Broadcast Multicast Service, multimedia broadcast/group broadcast service) is
3GPP is organized in the key property introduced in R6 versions, is to realize being passed from data source to multiple users in particular range simultaneously
A kind of point-to-multipoint business of data is sent, so as to make network (including core net and access network) resource be shared, with less
Resource be embodied as the user with same requirements in a large number simultaneously offer business be (such as：Multimedia service etc.).Wherein, LTE (Long
Term Evolution, long evolving system) in MBMS be referred to as E-MBMS.
MBSFN is a kind of multiple cell transmission means of MBMS, referred to as single-frequency network transmission mode (MBSFN transmission means), just
It is that transmission is synchronized in multiple cells with same frequency in the same time.Frequency money can be saved using this transmission means
Source, improves the availability of frequency spectrum.Simultaneously this multiple sectors at same keeps pouring in defeated brought diversity and can solve blind area and cover etc. to ask
Topic, strengthens the reliability for receiving, and improves coverage rate.
There is the concept of several keys in MBSFN：MBSFN regions, MBSFN transmission, MBSFN reservation regions.It is several to this below
Individual concept is explained.
MBSFN regions：MBSFN regions include one group of cell in MBSFN retaining zones, and these cells complete one
It is equality in MBSFN transmission.In addition to MBSFN retains cell, all cells in MBSFN regions are involved in MBSFN biographies
It is defeated.
MBSFN reservation regions：In MBSFN regions, including at least one MBSFN retains cell, and it is not involved in MBSFN industry
The transmission of business.It is allowed to transmit other business, and when using being the resource of MBSFN traffic assignments, power is to receive to this cell
Limit.
There is following viewpoint in correlation technique：MBSFN reservation regions are 2 MBSFN regions " relief area ", are to disappear
Some " dead bands " arranged except the MBSFN traffic interferences in 2 MBSFN regions.Generally, MBSFN reservation regions are to answer
For transmitting MBMS, now, according to different up-downgoing proportionings, the corresponding MBSFN sub-frame resource matched somebody with somebody and unicast sub-frame are provided
The method of salary distribution in source is as shown in Table 1：
Table one
If it can be seen from Table 1 that not transmitting MBMS in MBSFN sub-frame, the MBSFN sub-frame resource that can match somebody with somebody is equal
Can be wasted, that is to say, that the descending scheduling resource of nearly half in a radio frames can be wasted under some up-downgoing proportionings.
In the epoch that current Radio Resource so lacks, waste these Radio Resources particularly unfortunate.
For not transmitting MBMS in MBSFN sub-frame in correlation technique, the MBSFN sub-frame resource that can match somebody with somebody can be unrestrained
The problem taken, not yet proposes at present effective solution.
The content of the invention
Present invention is primarily targeted at a kind of unicast service sending method and device are provided, at least to solve above-mentioned correlation
MBMS, the problem that the MBSFN sub-frame resource that can match somebody with somebody can be wasted are not transmitted in MBSFN sub-frame in technology.
According to an aspect of the invention, there is provided a kind of unicast service sending method, including：Single-frequency network transmission mode
MBSFN retains cell and determines that the MBSFN retains cell according to the cell reference signals transmission power of the adjacent cell of this cell
Cell reference signals transmission power；Institute is determined according to the cell reference signals transmission power that the MBSFN for determining retains cell
State the traffic channel transmission power that MBSFN retains cell；The MBSFN retains cell and retains little according to the MBSFN for determining
The cell reference signals transmission power and traffic channel transmission power unicast traffic in MBSFN sub-frame in area.
Preferably, the MBSFN retains cell and is determined according to the cell reference signals transmission power of the adjacent cell of this cell
The MBSFN retains before the cell reference signals transmission power of cell, also includes：It is described that the MBSFN retains cell determination
Minimum reference signal transmission power in the cell reference signals transmission power of each adjacent cell of this cell.
Preferably, the MBSFN retains cell and is determined according to the cell reference signals transmission power of the adjacent cell of this cell
The MBSFN retains the cell reference signals transmission power of cell, including：The MBSFN retains cell and selects the minimum ginseng
Examine the cell reference signals transmission power that signal transmission power retains cell as the MBSFN.
Preferably, the MBSFN retains the cell reference signals transmitting that cell retains cell according to the MBSFN for determining
The power and traffic channel transmission power unicast traffic in MBSFN sub-frame, including：The MBSFN retains cell described
Minimum reference signal transmission power and MBSFN reservations cell send cell reference signals during business on unicast sub-frame
Transmission power selects one of them to retain cell ginseng of the cell in MBSFN sub-frame during unicast traffic as the MBSFN
Examine signal transmission power；The MBSFN retains cell reference signals transmission power and traffic channel transmission of the cell using selection
Power unicast traffic in MBSFN sub-frame.
Preferably, the MBSFN retains cell and retains little in the minimum reference signal transmission power and the MBSFN
Cell reference signals transmission power when area sends business on unicast sub-frame selects one of them to retain little as the MBSFN
The cell reference signals transmission power of area's unicast traffic in MBSFN sub-frame, including：The MBSFN retains cell and selects
Minima in both is sent out as the cell reference signals that the MBSFN retains cell unicast traffic in MBSFN sub-frame
Penetrate power.
According to another aspect of the present invention, there is provided a kind of unicast service dispensing device, including：First determining module,
Described in cell reference signals transmission power for retaining the adjacent cell of cell according to single-frequency network transmission mode MBSFN determines
MBSFN retains the cell reference signals transmission power of cell；Second determining module, for being retained according to the MBSFN for determining
The cell reference signals transmission power of cell determines that the MBSFN retains the traffic channel transmission power of cell；Sending module, uses
Retain the cell reference signals transmission power and traffic channel transmission power of cell in MBSFN in the MBSFN according to determination
Unicast traffic in subframe.
Preferably, first determining module is additionally operable to determine the cell ginseng of each adjacent cell that the MBSFN retains cell
Examine the minimum reference signal transmission power in signal transmission power.
Preferably, first determining module is additionally operable to select the minimum reference signal transmission power as described
MBSFN retains the cell reference signals transmission power of cell.
Preferably, first determining module is additionally operable in the minimum reference signal transmission power and the MBSFN
Retain cell reference signals transmission power when cell sends business on unicast sub-frame and select one of them as the MBSFN
Retain cell reference signals transmission power of the cell in MBSFN sub-frame during unicast traffic；The sending module is additionally operable to
Using the cell reference signals transmission power and traffic channel transmission power unicast traffic in MBSFN sub-frame of selection.
Preferably, the determining module is additionally operable to select the minima in both to exist as MBSFN reservations cell
The cell reference signals transmission power of unicast traffic in MBSFN sub-frame.
In embodiments of the present invention, MBSFN retains cell according to the cell reference signals of the adjacent cell of this cell transmitting work(
Rate determines that MBSFN retains the cell reference signals transmission power of cell；MBSFN retains cell and retains little according to the MBSFN for determining
The cell reference signals transmission power in area determines that MBSFN retains the traffic channel transmission power of cell；MBSFN retain cell according to
It is determined that reservation cell cell reference signals transmission power and traffic channel transmission power unicast is sent in MBSFN sub-frame
Business.I.e., in embodiments of the present invention, MBSFN retains cell unicast traffic, makes full use of MBSFN sub-frame, saves wireless
Resource；On the other hand sending out for unicast service is carried out with the cell reference signals transmission power and traffic channel transmission power that limit
Send, decrease the time delay of unicast transmission, be very beneficial especially for the stricter business of delay requirement.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the process chart of unicast service sending method according to embodiments of the present invention；
Fig. 2 is that MBSFN according to embodiments of the present invention retains cell unicast traffic in the MBSFN sub-frame of configuration
Process chart；
Fig. 3 is the first E-MBMS Organization Chart of agreement regulation according to embodiments of the present invention；
Fig. 4 is second E-MBMS Organization Chart of agreement regulation according to embodiments of the present invention；
Fig. 5 is region division schematic diagram according to embodiments of the present invention；
Fig. 6 is the structural representation of unicast service dispensing device according to embodiments of the present invention.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Mention in correlation technique, if not transmitting MBMS in MBSFN sub-frame, the MBSFN sub-frame resource that can match somebody with somebody is equal
Can be wasted, that is to say, that the descending scheduling resource of nearly half in a radio frames can be wasted under some up-downgoing proportionings.
In the epoch that current Radio Resource so lacks, waste these Radio Resources particularly unfortunate.
To solve above-mentioned technical problem, a kind of unicast service sending method is embodiments provided, it is sub using MBSFN
Frame transmits unicast service, and its handling process is as shown in Figure 1：
Step S102, MBSFN retains cell and is determined according to the cell reference signals transmission power of the adjacent cell of this cell
MBSFN retains the cell reference signals transmission power of cell；
It is true according to the cell reference signals transmission power that the MBSFN for determining retains cell that step S104, MBSFN retains cell
Determine the traffic channel transmission power that MBSFN retains cell；
Step S106, MBSFN retain cell according to determine MBSFN retain cell cell reference signals transmission power and
Traffic channel transmission power unicast traffic in MBSFN sub-frame.
In embodiments of the present invention, MBSFN retains cell according to the cell reference signals of the adjacent cell of this cell transmitting work(
Rate determines that MBSFN retains the cell reference signals transmission power of cell；MBSFN retains cell and retains little according to the MBSFN for determining
The cell reference signals transmission power in area determines that MBSFN retains the traffic channel transmission power of cell；MBSFN retain cell according to
It is determined that reservation cell cell reference signals transmission power and traffic channel transmission power unicast industry is sent in MBSFN sub-frame
Business.I.e., in embodiments of the present invention, MBSFN retains cell unicast traffic, makes full use of MBSFN sub-frame, saves wireless money
Source；On the other hand the transmission of unicast service is carried out with the cell reference signals transmission power that limits and traffic channel transmission power,
The time delay of unicast transmission is decreased, is very beneficial especially for the stricter business of delay requirement.
During enforcement, MBSFN retains cell and determines MBSFN according to the cell reference signals transmission power of the adjacent cell of this cell
Before retaining the cell reference signals transmission power and traffic channel transmission power of cell, also include：MBSFN retains cell and determines
Minimum reference signal transmission power in the cell reference signals transmission power of each adjacent cell of this cell.
MBSFN retain cell determine this cell each adjacent cell cell reference signals transmission power in minimum reference
After signal transmission power, MBSFN retains cell can be true according to the cell reference signals transmission power of the adjacent cell of this cell
Determine the cell reference signals transmission power that MBSFN retains cell, the preferred processing mode of one of which is：MBSFN retains cell
Minimum reference signal transmission power is selected to retain the cell reference signals transmission power of cell as MBSFN.
Accordingly, in MBSFN retains the cell reference signals transmission power of each adjacent cell that cell determines this cell
After minimum reference signal transmission power, MBSFN retains cell can also be according to the cell ginseng on unicast sub-frame of this cell
Examine signal transmission power and determine that MBSFN retains the cell reference signals transmitting of unicast traffic in MBSFN sub-frame of cell
Power, the preferred processing mode of one of which is：MBSFN retains cell and launches in the minimum reference signal of the adjacent cell of this cell
Power and MBSFN retain cell reference signals transmission power when cell sends business on unicast sub-frame and select one of them
Retain the cell reference signals transmission power of cell as MBSFN.And then MBSFN is retained cell and is believed using the cell reference of selection
Number transmission power and traffic channel transmission power unicast traffic in MBSFN sub-frame.Retain cell to reduce MBSFN as far as possible
In transmission services to the interference of adjacent cell, MBSFN retains cell can select the minima in both to retain little as MBSFN
The traffic channel transmission power in area.
Can be known by the above, the embodiment of the present invention can be that unicast service can be transmitted in MBSFN sub-frame, and
Transmission power is limited in transmitting procedure, is met the regulation of related protocol, both ensure that the utilization of Radio Resource,
Ensure that the reliability that adjacent cell MBSFN business is received.
In the embodiment of the present invention, with reference to table 1, MBSFN retains cell can be according to normal on #0, #1, #5, #6 work song frame
Unicast schedule flow process walk, configuration MBSFN sub-frame on unicast traffic.In MBSFN sub-frame during unicast traffic
Using specific transmission power, specific transmission power is referred to will not bring very big dry to the MBSFN cells in MBSFN regions
The power disturbed.It is previously mentioned, the transmission power that MBSFN retains the cell reference signals of cell in the embodiment of the present invention is MBSFN
The minima of the cell reference signals transmission power in adjacent cell, the transmission power for retaining Zone channel is in cell reference
Arrange on the basis of signal transmission power.Its idiographic flow as shown in Figure 2, can be divided into 5 steps, including：
Adjacent cell list is reported MCE by step S202, reservation cell by M2 interfaces, and MCE will thereon by M3 interfaces
Offer MME；
Step S204, MME by signaling allow retain cell adjacent cell in MBSFN cells report its cell reference to believe
Number transmission power；
Step S206, the MBSFN adjacent cells of reservation cell report the cell reference signals of this cell to launch by M2 interfaces
Power is reported MME to MCE, MCE by M3 interfaces；
Step S208, MME passes through to compare, by cell reference signals transmission power in the MBSFN adjacent cells for retaining cell
Minima and corresponding cell ID inform that MCE, MCE inform reservation cell by M2 interfaces by M3 interfaces；
Step S210, the base station of reservation cell arrange sending out for the cell reference signals of this cell according to the comparative result of MME
Penetrate the transmission power of power and Traffic Channel.
Following benefit can be obtained using the embodiment of the present invention：Retaining cell can be with sending out for limiting in MBSFN sub-frame
Power transmission unicast service is penetrated, Radio Resource is on the one hand saved, the time delay of unicast transmission is on the other hand decreased, especially
The business stricter for delay requirement is very beneficial.
As shown in the above, the embodiment of the present invention is mainly by base station, MCE (Master Communication
Equipment, Master Communication Equipment), the M2, M3 between MME (Mobile Management Entity, Mobility Management Entity)
The interaction of interface, the annexation between each entity is as shown in Figures 3 and 4 so that retains cell and is known that the little of adjacent cell
Area's reference signal transmission power, in MBSFN sub-frame unicast traffic, this part will not be made such that it is able to the power for limiting
Radio Resource is wasted.Wherein, why consider not only using M2 interfaces between MCE and base station, also using MME and
M3 interfaces between MCE, are because that in figure 3 MCE has the situation for being placed to inside of base station, cannot directly lead between base station
Cross MCE to interact, so needing to realize retaining the cell reference that cell knows neighbor cell by MME using M3 interfaces
Signal transmission power.
Be by unicast service sending method provided in an embodiment of the present invention explain become apparent from it is clearer, below by concrete
Embodiment illustrating.
Region division in this example is as shown in figure 5, horizontal line region representation MBSFN regions 1, vertical line region representation MBSFN areas
Domain 2, they transmit different MBSFN business, and No. 1 to No. 6 cell is that MBSFN regions 2 retain cell, and No. 7 to No. 12 cells are
The reservation cell in MBSFN regions 1.The embodiment of the present invention is illustrated so that No. 3 retain cell as an example, its process step is as follows：
Step one, No. 3 retain cell initials when setting up, obtain the adjacent cell list of oneself for No. 4 cells, No. 2 cells,
No. 100 cells, No. 101 cells, No. 200 cells, No. 201 cells.
The adjacent cell list of this cell is informed MCE by step 2, No. 3 reservation cells by M2 interfaces, is connect by M3 by MCE
Mouth informs MME.Base station, the framework between MCE and MME is as shown in Figure 3 and 4.Interface between base station and MCE is M2 mouths,
Even if MCE has been put into inside of base station, interface is also what is existed；Interface between MCE and MME is M3 mouths.The adjacent cell row for reporting
The message format of table is as shown in Table 2：
Table two
| Information type | Information is described |
| Base station IDs | Report the base station IDs of the message |
| Serving cell ID | Retain the ID of cell |
| Adjacent cell list | Retain the adjacent area of cell |
That is, to illustrate that No. 3 retain the base station IDs that cell is located in message format, retain the ID of cell and retain cell
Adjacent cell ID.
Step 3, MME by signaling allow No. 3 reservation cell adjacent cell lists in MBSFN cells i.e. No. 100 cell,
No. 101 cells, No. 200 cells, No. 201 cells report the cell reference signals power of this cell.
Step 4, No. 100 cells, No. 101 cells, No. 200 cells, No. 201 cells are by the cell reference signals of this cell
Transmission power informs that this message is informed MME by MCE, MCE by interface M3 by M2 interfaces.It is concrete real as one of the present invention
Example is applied, the information format for reporting is as shown in Table 3：
Table three
| Information type | Information is described |
| Cell ID | Report cell ID of the message |
| The transmission power of cell reference signals | The reference signal transmission power of this cell |
That is, the transmission power of the cell reference signals of ID and this cell comprising cell in message format.
Step 5, MME are by comparing No. 100 cells, No. 101 cells, No. 200 cells, the cell reference letter of No. 201 cells
Number power draws minima PminCRS, MME is by PminCRSAnd its corresponding cell ID informs that MCE, MCE lead to by M3 interfaces
Cross M2 interfaces and inform No. 3 reservation cells.Specific message format is as shown in Table 4：
Table four
Step 6, No. 3 reservation cells are according to PminCRSTo arrange the cell reference signals transmission power of this cell.In order to not
MBSFN business transmission in adjacent cell is affected, the cell reference signals transmission power of No. 3 cells is PnewCRS=min (PminCRS,
PCRS3), wherein PCRS3Cell reference signals power during business, P are sent on unicast sub-frame for No. 3 reservation cellsnewCRSFor No. 3
Retain cell reference signals power of the cell in MBSFN sub-frame during unicast traffic.
No. 3 retain cell in MBSFN sub-frame during unicast traffic, and the transmission power of Traffic Channel is in cell reference
1.77 dB values are reduced on the basis of signal transmission power.It is right to be avoided with the transmission power of such Traffic Channel for limiting
The interference of MBSFN business.But in the transmission power unicast traffic using above-mentioned Traffic Channel, in receiving side, for
The receptivity of UE can affect, so order of modulation will be reduced during unicast traffic in MBSFN sub-frame, code efficiency
Reduce, and also receptivity can be lifted using the merging gain for retransmitting.
Based on same inventive concept, a kind of unicast service dispensing device, its structural representation are embodiments provided
As shown in fig. 6, including：
First determining module 601, for retaining the cell reference of the adjacent cell of cell according to single-frequency network transmission mode MBSFN
Signal transmission power determines that MBSFN retains the cell reference signals transmission power of cell；
Second determining module 602, is connected with the first determining module 601, for retaining cell according to the MBSFN for determining
Cell reference signals transmission power determines that MBSFN retains the traffic channel transmission power of cell；
Sending module 603, is connected with the second determining module 602, for retaining the cell ginseng of cell according to the MBSFN for determining
Examine the signal transmission power and traffic channel transmission power unicast traffic in MBSFN sub-frame.
In one embodiment, the first determining module 601 can be also used for determining each adjacent cell that MBSFN retains cell
Minimum reference signal transmission power in cell reference signals transmission power.
In one embodiment, the first determining module 601 can be also used for selecting minimum reference signal transmission power conduct
MBSFN retains the cell reference signals transmission power of cell.
In one embodiment, the first determining module 601 can be also used in minimum reference signal transmission power and
MBSFN retains cell reference signals transmission power when cell sends business on unicast sub-frame and selects one of them conduct
MBSFN retains cell reference signals transmission power of the cell in MBSFN sub-frame during unicast traffic；
Sending module 603 can be also used for using the cell reference signals transmission power and traffic channel transmission work(of selection
Rate unicast traffic in MBSFN sub-frame.
In one embodiment, the first determining module 601 can be also used for selecting the minima in both to protect as MBSFN
Stay the traffic channel transmission power of cell.
As can be seen from the above description, present invention achieves following technique effect：
In embodiments of the present invention, MBSFN retains cell according to the cell reference signals of the adjacent cell of this cell transmitting work(
Rate determines that MBSFN retains the cell reference signals transmission power of cell；MBSFN retains cell and retains little according to the MBSFN for determining
The cell reference signals transmission power in area determines that MBSFN retains the traffic channel transmission power of cell；MBSFN retain cell according to
It is determined that reservation cell cell reference signals transmission power and traffic channel transmission power unicast is sent in MBSFN sub-frame
Business.I.e., in embodiments of the present invention, MBSFN retains cell unicast traffic, makes full use of MBSFN sub-frame, saves wireless
Resource；On the other hand sending out for unicast service is carried out with the cell reference signals transmission power and traffic channel transmission power that limit
Send, decrease the time delay of unicast transmission, be very beneficial especially for the stricter business of delay requirement.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realizing, they can be concentrated on single computing device, or are distributed in multiple computing devices and are constituted
Network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to they are stored
Performed by computing device in the storage device, and in some cases, can be shown to perform different from order herein
The step of going out or describe, or they are fabricated to respectively each integrated circuit modules, or by the multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of unicast service sending method, it is characterised in that include：
Single-frequency network transmission mode MBSFN retains cell and determines institute according to the cell reference signals transmission power of the adjacent cell of this cell
State the cell reference signals transmission power that MBSFN retains cell；
The MBSFN retains cell and determines institute according to the cell reference signals transmission power that the MBSFN for determining retains cell
State the traffic channel transmission power that MBSFN retains cell；
The MBSFN retains the cell reference signals transmission power and business that cell retains cell according to the MBSFN for determining
Channel emission power unicast traffic in MBSFN sub-frame.
2. method according to claim 1, it is characterised in that the MBSFN retains adjacent cell of the cell according to this cell
Cell reference signals transmission power determine before the cell reference signals transmission power that the MBSFN retains cell, also include：
The MBSFN reservations cell determines the minimum ginseng in the cell reference signals transmission power of each adjacent cell of described cell
Examine signal transmission power.
3. method according to claim 2, it is characterised in that the MBSFN retains adjacent cell of the cell according to this cell
Cell reference signals transmission power determine that the MBSFN retains the cell reference signals transmission power of cell, including：
The MBSFN retains cell and selects the minimum reference signal transmission power to retain the cell of cell as the MBSFN
Reference signal transmission power.
4. according to the method in claim 2 or 3, it is characterised in that the MBSFN retains cell according to determining
MBSFN retains the cell reference signals transmission power and traffic channel transmission power of cell and unicast industry is sent in MBSFN sub-frame
Business, including：
The MBSFN retains cell and retains cell in unicast in the minimum reference signal transmission power and the MBSFN
Cell reference signals transmission power when business is sent on frame selects one of them to retain cell in MBSFN as the MBSFN
Cell reference signals transmission power in subframe during unicast traffic；
The MBSFN retains cell using the cell reference signals transmission power and traffic channel transmission power of selection in MBSFN
Unicast traffic in subframe.
5. method according to claim 4, it is characterised in that the MBSFN retains cell in the minimum reference signal
Transmission power and the MBSFN retain cell reference signals transmission power when cell sends business on unicast sub-frame and select
One of them retains the cell reference signals transmission power of cell unicast traffic in MBSFN sub-frame as the MBSFN,
Including：The MBSFN retains cell and selects the minima in both to send out in MBSFN sub-frame as MBSFN reservation cells
Send the cell reference signals transmission power of unicast service.
6. a kind of unicast service dispensing device, it is characterised in that include：
First determining module, sends out for retaining the cell reference signals of adjacent cell of cell according to single-frequency network transmission mode MBSFN
Penetrate power and determine that the MBSFN retains the cell reference signals transmission power of cell；
Second determining module, the cell reference signals transmission power for retaining cell according to the MBSFN for determining determines institute
State the traffic channel transmission power that MBSFN retains cell；
Sending module, for retaining the cell reference signals transmission power and Traffic Channel of cell according to the MBSFN for determining
Transmission power unicast traffic in MBSFN sub-frame.
7. device according to claim 6, it is characterised in that first determining module is additionally operable to determine the MBSFN
Minimum reference signal transmission power in the cell reference signals transmission power of each adjacent cell for retaining cell.
8. device according to claim 7, it is characterised in that first determining module is additionally operable to select the minimum ginseng
Examine the cell reference signals transmission power that signal transmission power retains cell as the MBSFN.
9. the device according to claim 7 or 8, it is characterised in that first determining module is additionally operable in the minimum
Reference signal transmission power and the MBSFN retain cell reference signals when cell sends business on unicast sub-frame and launch
One of power selection retains cell reference letter of the cell in MBSFN sub-frame during unicast traffic as the MBSFN
Number transmission power；
The sending module is additionally operable to using the cell reference signals transmission power and traffic channel transmission power of selection in MBSFN
Unicast traffic in subframe.
10. device according to claim 9, it is characterised in that first determining module is additionally operable to select in both
Minima retains the cell reference signals transmission power of cell unicast traffic in MBSFN sub-frame as the MBSFN.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181196.5A CN102857868B (en) | 2011-06-30 | 2011-06-30 | Device and method for sending unicast services |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181196.5A CN102857868B (en) | 2011-06-30 | 2011-06-30 | Device and method for sending unicast services |
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| CN102857868A CN102857868A (en) | 2013-01-02 |
| CN102857868B true CN102857868B (en) | 2017-05-10 |
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| CN201110181196.5A Expired - Fee Related CN102857868B (en) | 2011-06-30 | 2011-06-30 | Device and method for sending unicast services |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105517173B (en) * | 2014-10-17 | 2019-01-04 | 中国移动通信集团公司 | Business isolated area dispatches resource determination and sharing method, device, system and base station |
| CN105682049A (en) * | 2014-11-19 | 2016-06-15 | 普天信息技术有限公司 | Method and device for lowering interference in multimedia broadcast multicast service (MBMS) |
| CN104869544B (en) * | 2015-03-31 | 2018-07-13 | 上海华为技术有限公司 | A kind of interference bypassing method and device |
| WO2017201705A1 (en) * | 2016-05-26 | 2017-11-30 | 华为技术有限公司 | Unicast data transmission method and device |
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| CN101489184A (en) * | 2008-01-14 | 2009-07-22 | 华为技术有限公司 | Method, apparatus and system for differentiating intra-district sub-frame state |
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| EP2026491A1 (en) * | 2007-08-13 | 2009-02-18 | Panasonic Corporation | Soft-buffer management of a re-transmission protocol for unicast and multicast transmissions |
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| CN101489184A (en) * | 2008-01-14 | 2009-07-22 | 华为技术有限公司 | Method, apparatus and system for differentiating intra-district sub-frame state |
| CN102084670A (en) * | 2008-07-01 | 2011-06-01 | 日本电气株式会社 | Radio communication system, method, program, base station device, multi-cell/multicast cooperation control device |
| CN101925187A (en) * | 2010-08-11 | 2010-12-22 | 中国电信股份有限公司 | Method and device for joint distribution of cell resources in OFDMA (Orthogonal Frequency Division Multiple Access) system |
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