WO2014079063A1

WO2014079063A1 - Transmission and reception method and device for dedicated physical control channel

Info

Publication number: WO2014079063A1
Application number: PCT/CN2012/085267
Authority: WO
Inventors: 吴慧芳; 马雪利; 汪凡
Original assignee: 华为技术有限公司
Priority date: 2012-11-26
Filing date: 2012-11-26
Publication date: 2014-05-30
Also published as: CN103975540B; CN103975540A

Abstract

Provided are a transmission and reception method and device for a dedicated physical control channel (DPCCH). The transmission method for a DPCCH includes: generating first transmission power control (TPC) information and second transmission power control (TPC) information (11), wherein the first TPC information is used for indicating downlink power control of the base station to which a first cell belongs, and the second TPC information is used for indicating downlink power control of the base station to which a second cell belongs; and sending the first TPC information to the base station to which the first cell belongs, and sending the second TPC information to the base station to which the second cell belongs (12). Since two pieces of TPC information are generated, and the two pieces of TPC information indicate downlink power control of the base stations to which two different cells belong respectively, two downlinks can perform independent power control operation. Use of the present invention can ensure downlink power control of two links when the quality difference of the two downlinks is very large.

Description

Method and apparatus for transmission and reception of dedicated physical control channels

The present invention relates to the field of communications, and in particular, to a transmission method and transmission apparatus of a Dedicated Physical Control Channel (DPCCH), a receiving method and a receiving apparatus of a DPCCH, and a user equipment and a base station. Background technique

With the introduction of technologies such as multi-stream (MF, Multiflow) and heterogeneous network (Hetnet, Heterogeneous Network), especially when these two technologies are combined with multiple carriers, it is likely that two downlink qualities will occur. Inconsistent, even the link is very different. In the prior art, the two cells adopt the same downlink power control, that is, the downlink power control of the two links is completed by only one Transmission Power Control (TPC) information carried on the uplink DPCCH channel. However, it is not appropriate to maintain a downlink power control in this case, which will cause serious serious inconsistency between the two downlinks (for example, one needs to increase power, the other needs to reduce power), and even the problem of downlink out-of-synchronization may occur. . Summary of the invention

The present invention proposes a DPCCH transmission method and transmission apparatus, a DPCCH reception method and reception apparatus, and a user equipment and a base station, aiming at solving the problem of power control of two cells.

In a first aspect, a method for transmitting a DPCCH is provided, including: generating first TPC information and second TPC information, where the first TPC information is used to indicate downlink power control of a base station to which the first cell belongs, where The second TPC information is used to indicate the downlink power control of the base station to which the second cell belongs; the first TPC information is sent to the base station to which the first cell belongs, and the second TPC information is sent to the base station to which the second cell belongs. .

With reference to the first aspect, in a first implementation manner of the first aspect, the first TPC information and the second TPC information are carried by the DPCCH channel, where the first TPC information and the second TPC are The information is independently encoded, or the first TPC information and the second TPC information are jointly encoded.

With reference to the first embodiment of the first aspect, in a second implementation manner of the first aspect, the sending, by the base station to the first cell, the first TPC information, to the second cell The sending, by the base station, the second TPC information includes: when the first TPC information and the second TPC information are independently coded, sending the first to the base station to which the first cell belongs, respectively, on the same time slot Transmitting the second TPC information to the base station to which the second cell belongs; or when the first TPC information and the second TPC information are jointly encoded, on the same time slot, simultaneously The base station to which the first cell belongs and the base station to which the second cell belongs send the jointly encoded first TPC information and the second TPC information.

With reference to the first aspect, in a third implementation manner of the first aspect, the first TPC information and the second TPC information are transmitted in a time division manner, wherein the first TPC information and the second TPC information are time-divided coding.

With reference to the third embodiment of the first aspect, in a fourth implementation manner of the first aspect, the sending, by the base station to the first cell, the first TPC information, and sending, to the base station to which the second cell belongs The second TPC information includes: when the first TPC information and the second TPC information are time-divisionally encoded, sending the first to the base station to which the first cell belongs in a time division manner on the interval slot a TPC information, and transmitting the second TPC information to a base station to which the second cell belongs.

In a second aspect, a method for receiving a DPCCH is provided, including: a base station to which a first cell belongs, acquires first TPC information from a user equipment (UE, User Equipment), where the first TPC information is used to indicate the first The downlink power control of the base station to which the cell belongs, the first cell and the second cell serving the UE, and the downlink power of the base station to which the second cell belongs is controlled according to the second TPC information; The base station to which the cell belongs performs downlink power control according to the first TPC information.

With reference to the second aspect, in the first implementation manner of the second aspect, the acquiring, by the base station to which the first cell belongs, the first TPC information from the UE includes: presetting the base station to which the first cell belongs in each time slot Receiving the first TPC information from the UE side at a specified time; the base station to which the first cell belongs decodes the first TPC information to obtain the first TPC information.

With reference to the second aspect, in a second implementation manner of the second aspect, the acquiring, by the base station to which the first cell belongs, the first TPC information from the UE includes: the base station to which the first cell belongs receives from the UE in each time slot. Jointly encoding the first TPC information and the second TPC information, where the second TPC information is used to indicate downlink power control of a base station to which the second cell belongs; The first TPC information and the second TPC information are jointly encoded to obtain the first TPC information in a preset designated bit. With reference to the second aspect, in a third implementation manner of the second aspect, the acquiring, by the base station to which the first cell belongs, the first TPC information, the base station to which the first cell belongs is in a preset designated time slot. Receiving, by the UE side, the first TPC information, where the first TPC information and the second TPC information are transmitted on different time slots, where the second TPC information is used to indicate the downlink of the base station to which the second cell belongs Power control; the base station to which the first cell belongs decodes the first TPC information to obtain the first TPC information.

In a third aspect, a DPCCH transmission apparatus is provided, including: a first generating unit, configured to generate first TPC information and second TPC information, where the first TPC information is used to indicate a base station to which the first cell belongs Downstream power control, the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs, where the first cell and the second cell provide multi-stream services; The base station to which the first cell belongs sends the first TPC information, and sends the second TPC information to the base station to which the second cell belongs.

With reference to the third aspect, in a first implementation manner of the third aspect, the first TPC information and the second TPC information are carried by the DPCCH channel, where the first TPC information and the second TPC are The information is independently encoded, or the first TPC information and the second TPC information are jointly encoded.

With reference to the first implementation manner of the third aspect, in the second implementation manner of the third aspect, the first sending unit is specifically configured to: when the first TPC information and the second TPC information are independently encoded, Transmitting the first TPC information to the base station to which the first cell belongs, and transmitting the second TPC information to the base station to which the second cell belongs, or the first TPC information When the second TPC information is jointly encoded, the first TPC information jointly encoded and the base station are simultaneously sent to the base station to which the first cell belongs and the base station to which the second cell belongs in the same time slot. Second TPC information.

With reference to the third aspect, in a third implementation manner of the third aspect, the first TPC information and the second TPC information are transmitted in a time division manner, wherein the first TPC information and the second TPC information are time-divided coding.

With reference to the third implementation manner of the third aspect, in the fourth implementation manner of the third aspect, the first sending unit is specifically configured to: when the first TPC information and the second TPC information are time-division encoded, Transmitting, by the time division manner, the first TPC information to the base station to which the first cell belongs, and transmitting the second TPC information to the base station to which the second cell belongs.

In a fourth aspect, a receiving device for a DPCCH is provided, including: a first acquiring unit, Acquiring the first TPC information from the UE, where the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs, where the first cell and the second cell provide services for the UE, and the The downlink power of the base station to which the second cell belongs is controlled according to the second TPC information. The first control unit is configured to perform downlink power control according to the first TPC information.

With reference to the fourth aspect, in a first implementation manner of the fourth aspect, the first acquiring unit includes: a receiving module, configured to receive the first TPC from a UE side at a preset specified time on each time slot And a decoding module, configured to decode the first TPC information to obtain the first TPC information.

With reference to the fourth aspect, in a second implementation manner of the fourth aspect, the first acquiring unit includes: a receiving module, configured to receive jointly encoded first TPC information and a second from a UE on each time slot The TPC information, where the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs, and the decoding module is configured to decode the joint encoded first TPC information and second TPC information And obtaining the first TPC information at a preset designated bit.

With reference to the fourth aspect, in a third implementation manner of the fourth aspect, the first acquiring unit includes: a receiving module, configured to receive the first TPC information from a UE side, respectively, on a preset designated time slot, where The first TPC information and the second TPC information are transmitted on different time slots, the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs, and the decoding module is used to decode the The first TPC information is obtained to obtain the first TPC information.

In a fifth aspect, a UE is provided, including: a processor, configured to generate first TPC information and second TPC information, where the first TPC information is used to indicate downlink power control of a base station to which the first cell belongs, where The second TPC information is used to indicate the downlink power control of the base station to which the second cell belongs, and the transmitter is configured to send the first TPC information to the base station to which the first cell belongs, to the base station to which the second cell belongs. Sending the second TPC information.

In an eighth aspect, a base station is provided, including: a receiver, configured to receive TPC command information from a UE; a processor, configured to decode the TPC command information to obtain required TPC information, and perform, according to the TPC information Downstream power control; wherein the TPC command information includes the required TPC information, and the required TPC information is used to indicate downlink power control of the base station.

In the embodiment of the present invention, two TPC information are generated, and the two TPC information respectively indicate downlink power control of the base station to which two different cells belong, which means that the two downlinks perform independent power control operations. Therefore, downlink power control of the two links can be guaranteed when the quality of the two downlinks is very different. DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments of the present invention will be briefly described below. Obviously, the drawings described below are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.

FIG. 1 is a flowchart of a method for transmitting a DPCCH on a UE side according to an embodiment of the present invention.

2 is a schematic diagram of jointly encoded first TPC information and second TPC information and decoding results thereof according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of transmitting first TPC information and second TPC information in a time division manner according to an embodiment of the present invention.

FIG. 4 is a flowchart of a method for receiving a DPCCH of a base station side to which a first cell belongs according to an embodiment of the present invention.

FIG. 5 is a flowchart of a method for receiving a DPCCH of a base station side to which a second cell belongs according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of an application scenario of a method for transmitting a DPCCH according to an embodiment of the present invention. FIG. 7 is a schematic structural diagram of a transmission apparatus of a DPCCH according to an embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a receiving apparatus of a DPCCH according to another embodiment of the present invention. FIG. 9 is a schematic structural diagram of a first acquiring unit according to an embodiment of the present invention.

FIG. 10 is a schematic structural diagram of a receiving apparatus of a DPCCH according to another embodiment of the present invention. FIG. 11 is a schematic structural diagram of a second acquiring unit according to an embodiment of the present invention.

FIG. 12 is a schematic structural diagram of a UE according to an embodiment of the present invention.

FIG. 13 is a schematic structural diagram of a base station according to an embodiment of the present invention.

FIG. 14 is a diagram showing the physical structure of a UE or a base station according to an embodiment of the present invention. detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without making creative labor are within the scope of the present invention.

The technical solution of the present invention can be applied to various communication systems, for example: GSM, code division multiple access (CDMA, Code Division Multiple Access) system, Wideband Code Division Multiple Access (WCDMA), GPRS, LTE, etc.

A user equipment (UE, User Equipment) may also be referred to as a mobile terminal (Mobile Terminal), a mobile station (Mobile Station), etc., and may be connected to one or more core networks via a radio access network (eg, RAN, Radio Access Network). Communicate. The UE exchanges voice and/or data with the radio access network.

The base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (Node B) in WCDMA, or may be an evolved base station (eNB or e-NodeB, evolutional Node B) in LTE. In addition, a base station may support/manage one or more cells. When the UE needs to communicate with the network, it will select a cell to initiate network access.

To this end, the embodiment of the present invention provides a method for transmitting a DPCCH. Referring to FIG. 1, a method for transmitting a DPCCH at a transmitting end (the UE side) includes the following steps:

Step 11: The UE generates the first TPC information and the second TPC information, where the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs, and the second TPC information is used to indicate that the second cell belongs to Downlink power control of the base station.

Step 12: The UE sends the first TPC information to the base station to which the first cell belongs, and sends the second TPC information to the base station to which the second cell belongs.

Above, the first cell and the second cell provide services.

It can be seen that since two TPC information are generated, and the two TPC information respectively indicate downlink power control of the base stations to which two different cells belong, it means that the two downlinks perform independent power control operations. Therefore, it can be ensured that when the difference in quality between the two downlinks is large, the independent power control of the two downlink links ensures the power control performance of the two links respectively.

In an embodiment, the UE may modify the slot format of the uplink DPCCH channel, for example, generate the independently encoded first TPC information and the second TPC information, or generate the jointly encoded first TPC information and the second TPC information, and then And transmitting, by the DPCCH channel, the first TPC information and the second TPC information to the base station to which the first cell belongs and the base station to which the second cell belongs.

Tables 1 and 2 below give examples of DPCCH channel slot formats for independently encoding and jointly encoding the first TPC information and the second TPC information, respectively.

Among them, Table 1 adds a slot format 5 to the existing DPCCH slot format, and N _TPC1 and _NTPC2 respectively represent the first TPC information and the second TPC information. The two TPC command words carried by the two TPC command words occupy two bits, which can realize two independent downlink power control. Table 1: DPCCH slot format

Table 2 shows that a slot format is added to the existing DPCCH slot format. The first TPC information and the second TPC information are jointly encoded, occupying 3 bits in total, NTPCI&NT _PC2. Represents the first TPC information and the second TPC information jointly encoded. Two independent downlink power controls can also be implemented. Table 2: DPCCH slot format

It should be understood that Tables 1 and 2 shown herein are merely illustrative and not limiting. Fact The first TPC information and the second TPC information can also be in other DPCCH slot formats. It can be seen that, when the first TPC information and the second TPC information are independently coded, the UE may send the first TPC information to the base station to which the first cell belongs, and send the second to the base station to which the second cell belongs, on the same time slot. TPC information. Therefore, the base station to which the first cell belongs and the base station to which the second cell belongs may receive the first TPC information and the second TPC information respectively at different time slots in the same time slot. The base station to which the first cell belongs may receive the first TPC information at a specified location in the same time slot, and the base station to which the second cell belongs may also receive the second TPC information at a specified location in the same time slot. The location of the TPC to which the two cells belong to receive the TPC information in the same time slot is preset.

Or, when the first TPC information and the second TPC information are jointly encoded, the UE may send the jointly encoded first TPC information and the first base station to the base station to which the first cell belongs and the base station to which the second cell belongs in the same time slot. Two TPC information. Then, the base station to which the first cell belongs and the base station to which the second cell belongs may respectively decode the jointly encoded first TPC information and the second TPC information to obtain their own TPC information. For example, as shown in Table 2, the jointly coded first TPC information and the second TPC information have 3 bits, and the base station to which the first cell belongs and the base station to which the second cell belongs are decoded to obtain 2 bits of TPC information, such as As shown in FIG. 2, the base station to which the first cell belongs can determine that the first bit is its own TPC information, and the base station to which the second cell belongs can determine that the second bit is its own TPC information. The reverse is also true, that is, the base station to which the first cell belongs can also be confirmed. The second bit is determined to be its own TPC information, and the base station to which the second cell belongs may also determine that the first bit is its own TPC information. Which bit of the decoded bit information represents the TPC information of the base station to which the cell belongs is preset.

In another embodiment, the UE may also send the first TPC information and the second TPC information on the DPCCH channel in a time division manner, so that the base stations to which the two cells belong receive the respective downlink TPC information and perform independent downlink power control.

That is, the first TPC information and the second TPC information are transmitted in a time division manner, wherein the first TPC information and the second TPC information are time-divisionally encoded. Therefore, when the first TPC information and the second TPC information are time-divisionally encoded, the UE transmits the first TPC information to the base station to which the first cell belongs, and the second base station to the base station to which the second cell belongs, on the interval slot. TPC information. Referring to FIG. 3, the UE transmits the first TPC information and the second TPC information at intervals on consecutive time slots, for example, sending the first TPC information to the base station to which the first cell belongs on the odd-numbered time slots, on even-numbered time slots. Sending the second TPC information to the base station to which the second cell belongs, or transmitting the first TPC information to the base station to which the first cell belongs on the even time slot, and transmitting the second TPC to the base station to which the second cell belongs on the odd time slot information. Since the base stations to which the two cells belong receive their own TPC information in different time slots, the TPC information can be correctly decoded, thereby effectively performing downlink power control.

It should be understood that the illustration of Figure 3 is merely illustrative and not limiting. In fact, the UE may send the first TPC information to the base station to which the first cell belongs and the second TPC information to the base station to which the second cell belongs, respectively, on consecutive time slots as shown in FIG. 3. The UE may also send the first TPC information to the base station to which the first cell belongs and the second TPC information to the base station to which the second cell belongs, or the first TPC information and the second TPC information may also be unequal. Send at intervals. Here n can be a positive integer greater than or equal to 1. Generally, the larger the value of n, that is, the larger the interval between the transmission of the first TPC information and the second TPC information, the greater the impact on the performance of the system.

It can be seen that since two TPC information are generated, and the two TPC information respectively indicate the downlink probability control of the base stations to which the two different cells belong, the downlink control channel quality of the two cells can be independently guaranteed. Above, the expressions "first" and "second" are for convenience of description. Those skilled in the art will readily appreciate that the expressions "first" and "second" are not specifically meant to distinguish two different subjects.

Next, referring to Fig. 4, a receiving method of a receiving end (base station side) DPCCH is proposed. Since some descriptions have been made on the transmission method corresponding to the transmitting side (UE side) DPCCH in the above content, the duplicated content will not be described again. Receiver (base station side) DPCCH receiving method Includes the following steps:

Step 41: The base station to which the first cell belongs acquires the first TPC information, where the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs.

Here, the first cell and the second cell provide services for the UE, and the downlink power of the base station to which the second cell belongs is controlled according to the second TPC information.

For example, the base station to which the first cell belongs receives the first TPC information from the UE side at a specified time on each time slot; then, the base station to which the first cell belongs decodes the first TPC information to obtain the first A TPC message. Among them, the specified time is preset.

Or, for example, the base station to which the first cell belongs receives the jointly encoded first TPC information and the second TPC information from the UE in each time slot, where the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs. Then, the base station to which the first cell belongs decodes the jointly encoded first TPC information and the second TPC information to obtain the first TPC information in the designated bit. Among them, the specified bit is preset.

Or, for example, the base station to which the first cell belongs receives the first TPC information from the UE side on the designated time slot, where the first TPC information and the second TPC information are transmitted on different time slots, and the second TPC information is used to indicate Downlink power control of the base station to which the second cell belongs; then, the base station to which the first cell belongs decodes the first TPC information to obtain the first TPC information. Among them, the designated time slot is preset.

Step 42: The base station to which the first cell belongs performs downlink power control according to the first TPC information. It can be seen that, since two TPC information is generated, and the two TPC information respectively indicate the downlink power control of the base station to which the two cells belong, the downlink control channel quality of the two cells can be better ensured. It is easy to understand that the description of Fig. 4 is described from the perspective of the base station to which the first cell belongs, but the DPCCH receiving method of the base station to which the second cell belongs is also the same as the base station to which the first cell belongs.

The receiving method of the DPCCH of the other receiving end (base station side) shown in FIG. 5 includes the following steps: Step 1: The base station to which the second cell belongs acquires the second TPC information from the UE, where the second TPC information is used to indicate the location The downlink power control of the base station to which the second cell belongs.

For example, the base station to which the second cell belongs receives the second TPC information from the UE side at a specified time on each time slot; then, the base station to which the second cell belongs decodes the second TPC information to obtain the first Two TPC information.

Or, for example, the base station to which the second cell belongs receives the joint coding from the UE on each time slot. First TPC information and second TPC information, where the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs; then, the base station to which the second cell belongs decodes the first TPC information and the joint coded Two TPC information to obtain second TPC information at the designated bit.

Or, for example, the base station to which the second cell belongs receives the second TPC information from the UE side on the specified time slot, where the first TPC information and the second TPC information are transmitted on different time slots, and the first TPC information is used to indicate The downlink power control of the base station to which the first cell belongs; then, the base station to which the second cell belongs decodes the second TPC information to obtain the second TPC information.

Step 52: The base station to which the second cell belongs performs downlink power control according to the second TPC information. In the above, the designated time, the designated bit, and the designated time slot may be preset.

It can be seen that since two TPC information are generated, and the two TPC information respectively indicate the downlink probability control of the base stations to which the two different cells belong, the downlink control channel quality of the two different cells can be guaranteed.

As shown in FIG. 6, in a dual-frequency dual-cell (DF-DC) scenario, a second frequency point is not covered by the first frequency point F1 of the micro base station Pico for a certain cell. F2 coverage issues. Suppose that Figure 6 shows the DF-DC scene under the joint action of Hetnet and MF. In this scenario, Pico's fl frequency coverage is not covered but covered by f2. Therefore, in order to expand the coverage of Pico, you can consider transmitting the downlink control channel on Pico's f2, so that the interference of the control channel will be reduced and the coverage problem will be solved. However, this has to construct an inter-frequency soft handover, so there will be a large difference between the downlink control channel of the cell 1 covered by the macro base station Macro and the cell 2 covered by the Pico.

For this reason, for this scenario appearing in Fig. 6, a transmission method of the DPCCH as in the embodiment of the present invention can be employed. Since the two downlink TPC information are generated, and the two TPC information respectively indicate the downlink power control of the base station to which two different cells belong (for example, the first TPC information is sent to the Macro and the second TPC information is sent to the Pico), it means that Macro Independent power control operation with Pico's two downlinks. Therefore, the downlink power control of the two links can be guaranteed when the quality of the two downlinks is very different.

Fig. 7 shows a transmission device of a DPCCH. The transmission device 70 of the DPCCH includes a first generation unit 71 and a first transmission unit 72.

For example, the first generating unit 71 is configured to generate first TPC information and second TPC information, where the first TPC information is used to indicate downlink power control of a base station to which the first cell belongs, and the second TPC information is used to indicate Downlink power control of the base station to which the second cell belongs. First sending unit The sending, by the base station to which the first cell belongs, and the base station to which the second cell belongs, the first TPC information and the second TPC information.

In an embodiment, the first TPC information and the second TPC information are carried by the DPCCH channel, where the first TPC information and the second TPC information are independently coded, or the first The TPC information and the second TPC information are jointly encoded.

Therefore, the first sending unit 72 is specifically configured to: when the first TPC information and the second TPC information are independently encoded, send the first to the base station to which the first cell belongs in the same time slot a TPC information, and sending the second TPC information to a base station to which the second cell belongs; or when the first TPC information and the second TPC information are jointly encoded, on the same time slot, simultaneously The base station to which the first cell belongs and the base station to which the second cell belongs send the jointly encoded first TPC information and the second TPC information.

In another embodiment, the first TPC information and the second TPC information are transmitted in a time division manner, wherein the first TPC information and the second TPC information are time-divisionally encoded.

Therefore, the first sending unit 72 is specifically configured to: when the first TPC information and the second TPC information are time-divisionally encoded, send to the base station to which the first cell belongs in a time division manner on the interval slot. The first TPC information, and sending the second TPC information to a base station to which the second cell belongs.

It can be seen that since two TPC information are generated, and the two TPC information respectively indicate the downlink probability control of the base station to which the two cells belong, the downlink control channel quality of the two cells can be independently guaranteed.

It can be understood that the transmission device of the DPCCH can be configured in the UE.

Fig. 8 shows a receiving device of a DPCCH. The receiving device 80 of the DPCCH includes a first obtaining unit 81 and a first control unit 82.

For example, the first obtaining unit 81 is configured to acquire first TPC information from the UE, where the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs. The first control unit 82 is configured to perform downlink power control according to the first TPC information.

Further, the first obtaining unit 82 may include a receiving module 821 and a decoding module 822, as shown in FIG.

In an embodiment, the receiving module 821 is configured to receive the first TPC information from a UE side at a specified time on each time slot; the decoding module 822 is configured to decode the first TPC information to obtain a The first TPC information is described. In another implementation, the receiving module 821 is configured to receive the first encoded TPC information and the second TPC information jointly coded from the UE on each time slot, where the second TPC information is used to indicate the The downlink power control of the base station to which the second cell belongs; the decoding module 822 is configured to decode the joint encoded first TPC information and the second TPC information, to obtain the first TPC information in the specified bit.

In another implementation, the receiving module 821 is configured to receive the first TPC information from the UE side on a specified time slot, where the first TPC information and the second TPC information are transmitted on different time slots, The second TPC information is used to indicate downlink power control of the base station to which the second cell belongs; the decoding module 822 is configured to decode the first TPC information to obtain the first TPC information.

It can be understood that the transmission device of the DPCCH can be configured in the base station to which the first cell belongs. Fig. 10 shows another transmission device of the DPCCH. The receiving device 100 of the DPCCH includes a second obtaining unit 101 and a second control unit 102.

For example, the second obtaining unit 101 is configured to acquire second TPC information from the UE, where the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs. The second control unit 102 is configured to perform downlink power control according to the second TPC information.

Further, the second obtaining unit 102 can include a receiving module 1021 and a decoding module 1022, as shown in FIG.

In an embodiment, the receiving module 1021 is configured to receive the second TPC information from a UE side at a specified time on each time slot; the decoding module 1022 is configured to decode the second TPC information to obtain a location The second TPC information is described.

In another implementation, the receiving module 1021 is configured to receive the first encoded TPC information and the second TPC information jointly coded from the UE on each time slot, where the first TPC information is used to indicate the first The downlink power control of the base station to which the cell belongs; the decoding module 1022 is configured to decode the jointly encoded first and second TPC information to obtain the second TPC information in the specified bit.

In another implementation, the receiving module 10221 is configured to receive the second TPC information from the UE side on a designated time slot, where the second TPC information is different from the first TPC information. The first TPC information is used to indicate downlink power control of the base station to which the first cell belongs; the decoding unit 1022 is configured to decode the second TPC information to obtain the second TPC information. .

It can be understood that the transmission device of the DPCCH can be configured in the base station to which the second cell belongs. The base station to which the first cell belongs and the base station to which the second cell belongs may be the same base station or different base stations.

FIG. 12 shows a UE that includes a processor 121 and a transmitter 122.

The processor 121 is configured to generate the first TPC information and the second TPC information, where the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs, and the second TPC information is used to indicate the second The downlink power control of the base station to which the cell belongs; the transmitter 122 is configured to send the first TPC information and the second TPC information to the base station to which the first cell belongs and the base station to which the second cell belongs.

Generally, the first TPC information and the second TPC information are carried by the DPCCH channel, where the first TPC information and the second TPC information are independently coded, or the first TPC information And the second TPC information is jointly encoded.

Therefore, the transmitter 122 is specifically configured to: when the first TPC information and the second TPC information are independently coded, send the first TPC to the base station to which the first cell belongs, respectively, on the same time slot. And transmitting the second TPC information to the base station to which the second cell belongs; or when the first TPC information and the second TPC information are jointly encoded, on the same time slot, simultaneously to the The base station to which the first cell belongs and the base station to which the second cell belongs send the jointly encoded first TPC information and the second TPC information.

Alternatively, the first TPC information and the second TPC information are transmitted in a time division manner, wherein the first TPC information and the second TPC information are time-divisionally encoded.

Therefore, the transmitter 122 is specifically configured to: when the first TPC information and the second TPC information are time-divisionally encoded, send the foregoing to the base station to which the first cell belongs in a time division manner on the interval slots. First TPC information, and transmitting the second TPC information to a base station to which the second cell belongs.

It can be seen that since two TPC information is generated, the two TPC information respectively indicate two The downlink probability control of the base station to which the different cells belong, so that the downlink control channel quality of two different cells can be guaranteed.

FIG. 13 shows a base station including a receiver 131 and a processor 132.

The receiver 131 is configured to receive TPC command information from the UE; the processor 132 is configured to decode the TPC command information to obtain required TPC information, and perform downlink power control according to the TPC information; where the TPC command information The required TPC information is included, and the TPC information is used to indicate downlink power control of the base station.

In one embodiment, the receiver 131 is configured to receive a TPC message from the UE side at a specified time on each time slot. The processor 132 is configured to decode the TPC information to perform transmission power control according to the TPC information.

In another embodiment, the receiver 131 is configured to receive jointly encoded one TPC information and another TPC information from the UE on each time slot. Processor 132 is operative to decode the jointly encoded TPC information to obtain the desired TPC information at the designated bit and based on the desired TPC information. Perform transmission power control.

In another embodiment, the receiver 131 is configured to receive a TPC information from the UE side on a designated time slot, respectively, and the processor 132 decodes the TPC information to perform transmission power control according to the TPC information.

In general, the UE or the base station can be configured as shown in Fig. 14, and has a memory 1401, a processor 1402, a receiver 1403, a transmitter 1404, and the like.

For example, UE 120 may also include a receiver and memory, and base station 130 may also include a transmitter and a memory. The memory may be data including a Random Access Memory (RAM) and a Read-Only Memory (ROM), or any fixed storage embodiment of the invention.

It should be understood that the aspects described in each of the claims of the present invention are also considered as an embodiment, and the features in the claims may be combined, as the steps of the different branches of the execution after the determining step in the present invention. It can be used as a different embodiment.

One of ordinary skill in the art will recognize that each of the embodiments described herein in connection with the embodiments disclosed herein The exemplary unit and algorithm steps can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

It will be apparent to those skilled in the art that, for the convenience of the description and the cleaning process, the specific operation of the system, the device and the unit described above may be referred to the corresponding processes in the foregoing method embodiments, and details are not described herein again.

In the several embodiments provided herein, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed. In addition, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.

The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

The above description is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited. In this regard, any person skilled in the art can easily conceive changes or substitutions within the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims

Rights request

1. A transmission method for the dedicated physical control channel DPCCH, characterized by: generating first transmission power control TPC information and second TPC information, wherein the first TPC information is used to indicate the base station to which the first cell belongs. Downlink power control, the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs;

The first TPC information is sent to the base station to which the first cell belongs, and the second TPC information is sent to the base station to which the second cell belongs.

2. The transmission method according to claim 1, characterized in that, the first TPC information and the second TPC information are carried by the DPCCH channel, wherein the first TPC information and the second TPC The information is independently encoded, or the first TPC information and the second TPC information are jointly encoded.

3. The transmission method according to claim 2, characterized in that: sending the first TPC information to the base station to which the first cell belongs, and sending the second TPC information to the base station to which the second cell belongs. Information includes:

When the first TPC information and the second TPC information are independently encoded, on the same time slot, the first TPC information is sent to the base station to which the first cell belongs, and to the second cell. The affiliated base station sends the second TPC information; or

When the first TPC information and the second TPC information are jointly encoded, on the same time slot, the jointly encoded base station to which the first cell belongs and the base station to which the second cell belongs are simultaneously sent. The first TPC information and the second TPC information.

4. The transmission method according to claim 1, characterized in that, the first TPC information and the second TPC information are transmitted in a time division manner, wherein the first TPC information and the second TPC information are time division coding.

5. The transmission method according to claim 4, characterized in that: sending the first TPC information to the base station to which the first cell belongs, and sending the second TPC information to the base station to which the second cell belongs. Information includes:

When the first TPC information and the second TPC information are time-division encoded, the first TPC information is sent to the base station to which the first cell belongs in a time-division manner on interval time slots, and to the base station to which the first cell belongs, respectively. The base station to which the second cell belongs sends the second TPC information.

6. A method for receiving the dedicated physical control channel DPCCH, which is characterized by including: The base station to which the first cell belongs acquires first transmission power control TPC information from the user equipment, where the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs, and the base station to which the second cell belongs The downlink power of is controlled based on the second TPC information; and the base station to which the first cell belongs performs downlink power control based on the first TPC information.

7. The receiving method according to claim 6, wherein the base station to which the first cell belongs obtains the first TPC information from the user equipment including:

The base station to which the first cell belongs receives the independently encoded first TPC information from the user equipment side at a preset designated time on each time slot;

The base station to which the first cell belongs decodes the first TPC information to obtain the first TPC information.

8. The receiving method according to claim 6, wherein the base station to which the first cell belongs obtains the first TPC information from the user equipment including:

The base station to which the first cell belongs receives the jointly encoded first TPC information and the second TPC information from the user equipment on each time slot, where the second TPC information is used to indicate the second TPC information to which the second cell belongs. Downlink power control of base stations;

The base station to which the first cell belongs decodes the jointly encoded first TPC information and second TPC information to obtain the first TPC information at a preset designated bit position.

9. The receiving method according to claim 6, wherein the base station to which the first cell belongs obtains the first TPC information from the user equipment including:

The base station to which the first cell belongs receives the first TPC information from the user equipment side on preset designated time slots, where the first TPC information and the second TPC information are transmitted on different time slots, so The second TPC information is used to indicate downlink power control of the base station to which the second cell belongs;

10. A transmission device for the dedicated physical control channel DPCCH, characterized in that it includes: a first generating unit configured to generate first transmission power control TPC information and second TPC information, wherein the first TPC information is used to indicate Downlink power control of the base station to which the first cell belongs, and the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs;

The first sending unit is configured to send the first TPC information to the base station to which the first cell belongs, and to send the second TPC information to the base station to which the second cell belongs.

11. The transmission device according to claim 10, wherein the first TPC information and the second TPC information are carried by the DPCCH channel, wherein the first TPC information and the second TPC information The information is independently encoded, or the first TPC information and the second TPC information are jointly encoded.

12. The transmission device according to claim 11, characterized in that the first sending unit is specifically used for:

When the first TPC information and the second TPC information are jointly encoded, on the same time slot, the jointly encoded information is simultaneously sent to the base station to which the first cell belongs and the base station to which the second cell belongs. The first TPC information and the second TPC information.

13. The transmission device according to claim 12, wherein the first TPC information and the second TPC information are transmitted in a time division manner, wherein the first TPC information and the second TPC information are time division coding.

14. The transmission device according to claim 10, characterized in that the first sending unit is specifically used for:

15. A receiving device for a dedicated physical control channel DPCCH, characterized in that it includes: a first acquisition unit configured to acquire first transmission power control TPC information from user equipment, wherein the first TPC information is used to indicate the first The downlink power of the base station to which the cell belongs is controlled, and the downlink power of the base station to which the second cell belongs is controlled based on the second TPC information;

A first control unit, configured to perform downlink power control according to the first TPC information.

16. The receiving device according to claim 15, characterized in that the first acquisition unit includes:

A receiving module, configured to receive the first TPC information from the user equipment side at a preset designated time on each time slot;

A decoding module, configured to decode the first TPC information to obtain the first TPC information.

17. The receiving device according to claim 15, characterized in that: the first acquisition order Yuan includes:

A receiving module, configured to receive the jointly encoded first jointly encoded data from the user equipment on each time slot.

TPC information and second TPC information, wherein the second TPC information is used to indicate downlink power control of the base station to which the second cell belongs;

A decoding module, configured to decode the jointly encoded first TPC information and second TPC information to obtain the first TPC information at a preset designated bit position.

18. The receiving device according to claim 15, characterized in that the first acquisition unit includes:

A receiving module, configured to receive the first TPC information from the user equipment side on preset designated time slots, wherein the first TPC information and the second TPC information are transmitted on different time slots, and the second The TPC information is used to indicate the downlink power control of the base station to which the second cell belongs; a decoding module, used to decode the first TPC information to obtain the first TPC information.

19. A user equipment, characterized by: including:

A processor, configured to generate first transmission power control TPC information and second TPC information, wherein the first TPC information is used to indicate downlink power control of the base station to which the first cell belongs, and the second TPC information is used to indicate the second TPC information. Downlink power control of the base station to which the second cell belongs;

A transmitter, configured to send the first TPC information to the base station to which the first cell belongs, and to send the second TPC information to the base station to which the second cell belongs.

20. A base station, characterized by including:

A receiver configured to receive transmission power control TPC command information from the user equipment;

A processor, configured to decode the TPC command information to obtain the required TPC information, and perform downlink power control based on the TPC information;

The TPC command information includes the required TPC information, and the required TPC information is used to indicate downlink power control of the base station.