CN102958167A - Method and device for improving service performance of WCDMA (Wideband Code Division Multiple Access)mobile communication system - Google Patents
Method and device for improving service performance of WCDMA (Wideband Code Division Multiple Access)mobile communication system Download PDFInfo
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- CN102958167A CN102958167A CN2011102511597A CN201110251159A CN102958167A CN 102958167 A CN102958167 A CN 102958167A CN 2011102511597 A CN2011102511597 A CN 2011102511597A CN 201110251159 A CN201110251159 A CN 201110251159A CN 102958167 A CN102958167 A CN 102958167A
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Abstract
The invention discloses a method for improving the service performance of a WCDMA(Wideband Code Division Multiple Access)mobile communication system. The method comprises the following steps that a serving radio network controller decides to add one cell or a number of cells to a user equipment active set, and sends an indication of establishing an F-DPCH (Fractional Dedicated Physical Channel) between the cell and user equipment to a drift radio network controller; and the drift radio network controller determines whether the cell supports an enhanced F-DPCH, and if so, establishes the enhanced F-DPCH between the cell and the user equipment, otherwise, establishes a common F-DPCH between the cell and the user equipment. The method allows a cell supporting the common F-DPCH and the enhanced F-DPCH to be in the same active set, thereby avoiding the occurrence of hard handoff and improving the service quality. The invention also correspondingly discloses a device for improving the service performance of the WCDMA mobile communication system and the device comprises the serving wireless network controller and the drift wireless network controller.
Description
Technical field
The invention belongs to communication technical field, relate in particular to method and the device of a kind of raising WCDMA (Wideband Code Division Multiple Access (WCDMA), Wideband Code Division Multiple Access) mobile communication system service performance.
Background technology
The flank speed that the R99 standard agreement of WCDMA mobile communication system offers the user is generally 384kbps, and hot zones can provide the speed of 2Mbps.From the supported dedicated channel for transmitting grouped data of R99 (Dedicated Channel, be called for short DCH) and DSCH Downlink Shared Channel (Downlink Shared Channel, abbreviation DSCH) performance, for the user in general area, the function of the transmission Packet Service that the R99 standard agreement provides can satisfy user's demand, but along with Packet Service user's increase and to the demand of high speed packet service, the rate bandwidth that R99 provides can not satisfy hot zones user's demand; Therefore the R5 standard agreement has been introduced high speed downlink packet access technology (High Speed Downlink Packet Access, be called for short HSDPA), also namely introduce a kind of high-speed packet and shared transmission channel (High Speed Downlink Shared Channel, be called for short HS-DSCH), this channel adopts time-division and code minute mode, and this channel has adopted mixed automatic retransfer (Hybrid Automatic Repeat Request, be called for short HARQ) and Adaptive Modulation and Coding (Adaptive Modulation and Coding, be called for short AMC) technology, so that peak rate can reach 14Mbps.The R6 standard agreement is introduced a kind of high-speed uplink packet access technique (High Speed Uplink Packet Access, be called for short HSUPA), also namely introduced enhancing transmission channel (Enhanced Dedicated Channel, be called for short E-DCH), this channel has adopted mixed automatic retransfer equally, so that peak rate can reach 5.76Mbps.Evolution along with agreement, HSDPA and HSUPA used more high-order modulating, MIMO (Multiple Input Multiple Output) technology and multi-carrier frequency unite use instant, its final purpose is by providing high speed packet service to be accessed to increase the capacity of system and reduces transmission delay to satisfy the user to the service quality requirement of (Quality of Service is called for short Qos).
After introducing the HSDPA technology, the descending DPCH the transmission of data that no longer needs, but need up-downgoing to do inner-loop power control, therefore introduced F-DPCH (part dedicated channel, Fractional Dedicated Physical Channel) channel, in order to reduce HSDPA user to the waste of code resource, improve the utilance of code resource.After introducing the F-DPCH channel, then the multi-user can adopt time division way to share a F-DPCH, be equivalent to the spreading code that 10 users only take 256, the time division multiplexing of the initial F-DPCH channel of introducing realizes by configuration chip offset, but such implementation has a very large shortcoming: because the multilink of soft handover needs time unifying, therefore for the situation that increases link, its timing relationship that increases link is fixed, radio network controller can not be adjusted, like this can not distributing user for the clear position on the F-DPCH channel that has distributed, finally cause the F-DPCH channel not to be re-used fully.Therefore the follow-up introducing of 3GPP agreement strengthens F-DPCH (E-DPCH) channel, the difference that strengthens F-DPCH channel and common F-DPCH channel is: strengthen the F-DPCH channel and defined time slot format, as long as multi-user's multiplex mode is the different time slot format of configuration, the F-DPCH channel just can be under any circumstance multiplexing like this, and the code resource utilization improves.Above-mentioned common F-DPCH channel represents to introduce enhancing F-DPCH channel F-DPCH channel before, i.e. the F-DPCH channel of non-enhancing F-DPCH channel.
Strengthen the concrete frame format of F-DPCH channel as shown in Figure 1, among Fig. 1, each meaning of parameters is as follows:
Tx OFF: emission is closed;
N
OFF1Bits:NOFF1 bit;
N
OFF2Bits:NOFF2 bit;
T
Slot: slot length;
Slot: time slot;
Radio frame: radio frames;
T
f: radio frames length.
Shown in the time slot format and table one of enhancing F-DPCH channel.
The time slot format table of table one, enhancing F-DPCH channel
But supporting common F-DPCH channel and strengthening the F-DPCH channel all is the Node B ability, in whole networking network, can there be the Node B with different tenabilities, at present the Iur mouth of 3GPP agreement is that rank according to subscriber equipment configures for the usefulness that strengthens the F-DPCH channel, the residential quarter of also namely not supporting to have configured common F-DPCH channel and strengthened the F-DPCH channel is in same Active Set, so just there is following problem: if subscriber equipment is from distributing the residential quarter that strengthens the F-DPCH channel to move to the residential quarter of not supporting to strengthen the F-DPCH channel, then do not support the residential quarter that strengthens the F-DPCH channel can not be increased in the Active Set of subscriber equipment, so professional just can not have soft handover gain, when Serving cell changes, can only walk the process of direct-cut operation, therefore with respect to soft handover traffic affecting performance and user are experienced, be longer than soft handover such as service outage duration, cause the reduction of throughput in Zone switched meeting.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and device of the WCDMA of raising mobile communication system service performance.
For solving the problems of the technologies described above, the technical solution adopted in the present invention comprises:
A kind of method that improves WCDMA mobile communication system service performance comprises the steps:
The service wireless network controller decision-making adds certain or some residential quarters the Active Set of subscriber equipment, and is emitted in the indication of setting up the F-DPCH channel between described residential quarter and the described subscriber equipment to floating radio network controller;
Described floating radio network controller judges whether described residential quarter is supported to strengthen the F-DPCH channel, is then to set up to strengthen the F-DPCH channel between described residential quarter and described subscriber equipment; Otherwise between described residential quarter and described subscriber equipment, set up common F-DPCH channel.
Further, the service wireless network controller decision-making adds certain or some residential quarters in the Active Set of subscriber equipment, specifically comprises:
Set up communication link between described service wireless network controller and the subscriber equipment, and used the F-DPCH channel;
Event of user equipment to report, described event is satisfied in its indicating certain or some residential quarter;
Service wireless network controller is judged described residential quarter support F-DPCH channel, and then decision-making adds described residential quarter the Active Set of described subscriber equipment.
Further, described floating radio network controller is set up between described residential quarter and described subscriber equipment and is strengthened the F-DPCH channel, specifically comprises:
Described floating radio network controller distributes enhancing F-DPCH channel, and initiates to set up the process that strengthens the F-DPCH channel to the Node B of described residential quarter ownership.
Further, described floating radio network controller is set up common F-DPCH channel between described residential quarter and described subscriber equipment, specifically comprise:
Described floating radio network controller distributes common F-DPCH channel, and initiates to set up the process of common F-DPCH channel to the Node B of described residential quarter ownership.
Further, the inventive method also comprises:
Between described residential quarter and described subscriber equipment, set up to strengthen after the F-DPCH channel, described floating radio network controller to described service wireless network controller feedback allocation enhancing F-DPCH channel, and transmit the time slot format that strengthens the F-DPCH channel; Between described residential quarter and described subscriber equipment, set up after the common F-DPCH channel, described floating radio network controller to described service wireless network controller feedback allocation common F-DPCH channel.
A kind of device that improves WCDMA mobile communication system service performance comprises service wireless network controller and floating radio network controller;
Wherein, described service wireless network controller is used for, and decision-making adds certain or some residential quarters the Active Set of subscriber equipment, and is emitted in the indication of setting up the F-DPCH channel between described residential quarter and the described subscriber equipment to floating radio network controller;
Described floating radio network controller is used for, and after receiving described indication, judges whether described residential quarter is supported to strengthen the F-DPCH channel, is then to set up to strengthen the F-DPCH channel between described residential quarter and described subscriber equipment; Otherwise between described residential quarter and described subscriber equipment, set up common F-DPCH channel.
Further, set up communication link between described service wireless network controller and the subscriber equipment, and used the F-DPCH channel.
Further, described floating radio network controller is set up between described residential quarter and described subscriber equipment and is strengthened the F-DPCH channel, specifically comprises:
Described floating radio network controller distributes enhancing F-DPCH channel, and initiates to set up the process that strengthens the F-DPCH channel to the Node B of described residential quarter ownership.
Further, described floating radio network controller is set up common F-DPCH channel between described residential quarter and described subscriber equipment, specifically comprise:
Described floating radio network controller distributes common F-DPCH channel, and initiates to set up the process of common F-DPCH channel to the Node B of described residential quarter ownership.
Further, described floating radio network controller also is used for, between described residential quarter and described subscriber equipment, set up to strengthen after the F-DPCH channel, to described service wireless network controller feedback allocation enhancing F-DPCH channel, and transmit the time slot format that strengthens the F-DPCH channel; Between described residential quarter and described subscriber equipment, set up after the common F-DPCH channel, to described service wireless network controller feedback allocation common F-DPCH channel.
Beneficial effect of the present invention is:
The present invention uses by being made a strategic decision by floating radio network controller and strengthens F-DPCH channel or common F-DPCH channel, so that the link under the floating radio network controller administration allows the residential quarter of the common F-DPCH channel of configuration and enhancing F-DPCH channel in same Active Set, so that subscriber equipment has soft handover gain, avoid the residential quarter of different tenabilities can not be in the generation of the direct-cut operation that causes in the same Active Set, thereby improved professional service quality.
The present invention also has and is easy to implement the advantage that cost is low.
Description of drawings
Fig. 1 is the frame format schematic diagram that strengthens the F-DPCH channel;
Fig. 2 is the schematic flow sheet that the present invention improves first embodiment of method of WCDMA mobile communication system service performance;
Fig. 3 is the schematic flow sheet that the present invention improves second embodiment of method of WCDMA mobile communication system service performance;
Fig. 4 is the structural representation that the present invention improves the device of WCDMA mobile communication system service performance.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 2 is the schematic flow sheet that the present invention improves first embodiment of method of WCDMA mobile communication system service performance, and as shown in Figure 2, among this embodiment, the method that the present invention improves WCDMA mobile communication system service performance specifically comprises the steps:
At first, establish CELL1 and be the residential quarter under the floating radio network controller administration, and only support common F-DPCH channel, do not support to strengthen the F-DPCH channel; CELL2 is the residential quarter under the floating radio network controller administration, and supports to strengthen the F-DPCH channel.
Step 210: service wireless network controller and subscriber equipment have been set up communication link, and are using the F-DPCH channel;
Step 220: user equipment to report same frequency measuring case 1A, its indicating CELL2 satisfies the 1A event;
Certainly, subscriber equipment can be other event that reports fully in this step, and indication CELL2 satisfies this event;
Step 230: service wireless network controller judges that CELL2 supports the F-DPCH channel, and the service wireless network controller decision-making adds CELL2 the Active Set of this subscriber equipment;
Step 240: this link of service wireless network controller indication floating radio network controller uses the F-DPCH channel;
In other words, service wireless network controller is emitted in the indication of setting up the F-DPCH channel between CELL2 and this subscriber equipment to floating radio network controller;
Step 250: floating radio network controller is received the above-mentioned indication that service wireless network controller sends;
Step 260: floating radio network controller judges that CELL2 supports to strengthen the F-DPCH channel, for the wireless link distribution between CELL2 and this subscriber equipment strengthens the F-DPCH channel;
Step 270: under floating radio network controller is administered to it, and be that the Node B that CELL2 belongs to initiates to set up the process that strengthens the F-DPCH channel;
Step 280: floating radio network controller is to the service wireless network controller enhancing F-DPCH channel that has been fed back to wireless link distribution between CELL2 and this subscriber equipment, and transmits the time slot format of this enhancing F-DPCH channel.
Fig. 3 is the schematic flow sheet that the present invention improves second embodiment of method of WCDMA mobile communication system service performance, and as shown in Figure 3, among this embodiment, the method that the present invention improves WCDMA mobile communication system service performance specifically comprises the steps:
At first, establish CELL1 and be the residential quarter under the floating radio network controller administration, and only support common F-DPCH channel, do not support to strengthen the F-DPCH channel;
CELL2 is the residential quarter under the floating radio network controller administration, and supports to strengthen the F-DPCH channel;
Step 310: service wireless network controller and subscriber equipment have been set up communication link, and are using the F-DPCH channel;
Step 320: user equipment to report same frequency measuring case 1A, its indicating CELL2 and CELL1 satisfy the 1A event;
Certainly, subscriber equipment can be other event that reports fully in this step, and indication CELL2 and CELL1 satisfy this event;
Step 330: service wireless network controller judges that CELL2 and CELL1 support the F-DPCH channel, and the service wireless network controller decision-making all adds CELL2 and CELL1 the Active Set of this subscriber equipment;
Step 340: these two links of service wireless network controller indication floating radio network controller use the F-DPCH channel;
In other words, service wireless network controller is emitted between CELL2 and this subscriber equipment to floating radio network controller, and the indication of all setting up the F-DPCH channel between CELL1 and this subscriber equipment;
Step 350: floating radio network controller is received the above-mentioned indication that service wireless network controller sends;
Step 360: floating radio network controller judges that CELL2 supports to strengthen the F-DPCH channel, for the wireless link distribution between CELL2 and this subscriber equipment strengthens the F-DPCH channel; Under floating radio network controller is administered to it, and be that the Node B that CELL2 belongs to initiates to set up the process that strengthens the F-DPCH channel;
Step 370: floating radio network controller judges that CELL1 only supports common F-DPCH channel, is the common F-DPCH channel of the wireless link distribution between CELL1 and this subscriber equipment; Floating radio network controller is lower to its administration, and is the process that common F-DPCH channel is set up in Node B initiation that CELL1 belongs to;
Step 380: floating radio network controller is to the service wireless network controller enhancing F-DPCH channel that has been fed back to wireless link distribution between CELL2 and this subscriber equipment, and transmits the time slot format of this enhancing F-DPCH channel; Floating radio network controller is to the service wireless network controller common F-DPCH channel that has been fed back to wireless link distribution between CELL1 and this subscriber equipment.
Fig. 4 is the structural representation that the present invention improves the device of WCDMA mobile communication system service performance, and as shown in the figure, the device that the present invention improves WCDMA mobile communication system service performance comprises service wireless network controller 410 and floating radio network controller 420.
Wherein, service wireless network controller 410 is used for, decision-making adds certain or some residential quarters under floating radio network controller 420 administrations Active Set of subscriber equipment, and is emitted in the indication of setting up the F-DPCH channel between this residential quarter and this subscriber equipment to floating radio network controller 420.
Floating radio network controller 420 is used for, and after receiving this indication, judges whether this residential quarter supports to strengthen the F-DPCH channel, if support, then sets up enhancing F-DPCH channel between this residential quarter and this subscriber equipment; If do not support, then between this residential quarter and this subscriber equipment, set up common F-DPCH channel.
Wherein, floating radio network controller 420 is set up between residential quarter and subscriber equipment and is strengthened the F-DPCH channel, specifically comprise: floating radio network controller 420 distributes enhancing F-DPCH channel, and initiates to set up the process that strengthens the F-DPCH channel to the Node B of residential quarter ownership.
Floating radio network controller 420 is set up common F-DPCH channel between residential quarter and subscriber equipment, specifically comprise: floating radio network controller 420 distributes common F-DPCH channel, and initiates to set up the process of common F-DPCH channel to the Node B of residential quarter ownership.
Set up between this residential quarter and this subscriber equipment after the enhancing F-DPCH channel, floating radio network controller 420 also has been used for to service wireless network controller 410 feedback allocation enhancing F-DPCH channel, and transmits the time slot format that strengthens the F-DPCH channel; Set up between this residential quarter and this subscriber equipment after the common F-DPCH channel, floating radio network controller 420 also has been used for to service wireless network controller 410 feedback allocation common F-DPCH channel.
In the embodiment of the invention, set up communication link between service wireless network controller 410 and the subscriber equipment, and used the F-DPCH channel.
Should be understood that simultaneously, the present invention's scope of asking for protection is illustrated in the appended claims, and can not be with the foregoing description of specification as restriction, and every apparent modification within aim of the present invention is also due within protection scope of the present invention.
Claims (10)
1. a method that improves Wideband Code Division Multiple Access (WCDMA) WCDMA mobile communication system service performance is characterized in that, comprises the steps:
The service wireless network controller decision-making adds certain or some residential quarters the Active Set of subscriber equipment, and is emitted in the indication of setting up part dedicated channel F-DPCH channel between described residential quarter and the described subscriber equipment to floating radio network controller;
Described floating radio network controller judges whether described residential quarter is supported to strengthen the F-DPCH channel, is then to set up to strengthen the F-DPCH channel between described residential quarter and described subscriber equipment; Otherwise between described residential quarter and described subscriber equipment, set up common F-DPCH channel.
2. the method for raising WCDMA mobile communication system service performance according to claim 1 is characterized in that, the service wireless network controller decision-making adds certain or some residential quarters in the Active Set of subscriber equipment, specifically comprises:
Set up communication link between described service wireless network controller and the subscriber equipment, and used the F-DPCH channel;
Event of user equipment to report, described event is satisfied in its indicating certain or some residential quarter;
Service wireless network controller is judged described residential quarter support F-DPCH channel, and then decision-making adds described residential quarter the Active Set of described subscriber equipment.
3. the method for raising WCDMA mobile communication system service performance according to claim 1 and 2 is characterized in that, described floating radio network controller is set up between described residential quarter and described subscriber equipment and strengthened the F-DPCH channel, specifically comprises:
Described floating radio network controller distributes enhancing F-DPCH channel, and initiates to set up the process that strengthens the F-DPCH channel to the Node B of described residential quarter ownership.
4. the method for raising WCDMA mobile communication system service performance according to claim 1 and 2 is characterized in that, described floating radio network controller is set up common F-DPCH channel between described residential quarter and described subscriber equipment, specifically comprise:
Described floating radio network controller distributes common F-DPCH channel, and initiates to set up the process of common F-DPCH channel to the Node B of described residential quarter ownership.
5. the method for raising WCDMA mobile communication system service performance according to claim 1 and 2 is characterized in that, also comprises:
Set up between described residential quarter and described subscriber equipment after the enhancing F-DPCH channel, described floating radio network controller is to the enhancing F-DPCH channel of described service wireless network controller feedback allocation, and transmission strengthens the time slot format of F-DPCH channel; Set up between described residential quarter and described subscriber equipment after the common F-DPCH channel, described floating radio network controller is to the common F-DPCH channel of described service wireless network controller feedback allocation.
6. a device that improves Wideband Code Division Multiple Access (WCDMA) WCDMA mobile communication system service performance comprises service wireless network controller and floating radio network controller;
Wherein, described service wireless network controller is used for, and decision-making adds certain or some residential quarters the Active Set of subscriber equipment, and is emitted in the indication of setting up the F-DPCH channel between described residential quarter and the described subscriber equipment to floating radio network controller;
Described floating radio network controller is used for, and after receiving described indication, judges whether described residential quarter is supported to strengthen the F-DPCH channel, is then to set up to strengthen the F-DPCH channel between described residential quarter and described subscriber equipment; Otherwise between described residential quarter and described subscriber equipment, set up common F-DPCH channel.
7. the device of raising WCDMA mobile communication system service performance according to claim 6 is characterized in that, has set up communication link between described service wireless network controller and the subscriber equipment, and has used the F-DPCH channel.
8. according to claim 6 or the device of described raising WCDMA mobile communication system service performance, it is characterized in that, described floating radio network controller is set up enhancing F-DPCH channel between described residential quarter and described subscriber equipment, specifically comprise:
Described floating radio network controller distributes enhancing F-DPCH channel, and initiates to set up the process that strengthens the F-DPCH channel to the Node B of described residential quarter ownership.
9. the device of raising WCDMA mobile communication system service performance according to claim 6 is characterized in that, described floating radio network controller is set up common F-DPCH channel between described residential quarter and described subscriber equipment, specifically comprise:
Described floating radio network controller distributes common F-DPCH channel, and initiates to set up the process of common F-DPCH channel to the Node B of described residential quarter ownership.
10. device of each described raising WCDMA mobile communication system service performance in 9 according to claim 6, it is characterized in that, described floating radio network controller also is used for, between described residential quarter and described subscriber equipment, set up and strengthen after the F-DPCH channel, to the enhancing F-DPCH channel of described service wireless network controller feedback allocation, and transmit the time slot format that strengthens the F-DPCH channel; Between described residential quarter and described subscriber equipment, set up after the common F-DPCH channel, to the common F-DPCH channel of described service wireless network controller feedback allocation.
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| CN112019312A (en) * | 2019-05-31 | 2020-12-01 | 中兴通讯股份有限公司 | Service processing method and device and Internet of vehicles equipment |
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Application publication date: 20130306 Assignee: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Assignor: ZTE Corporation Contract record no.: 2015440020319 Denomination of invention: Method and device for improving service performance of WCDMA (Wideband Code Division Multiple Access)mobile communication system License type: Common License Record date: 20151123 |
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