WO2010127504A1 - Method for transmitting carrier waves and user equipments - Google Patents

Abstract

A method for transmitting carrier waves and user equipments are provided by an embodiment of the invention, the method includes: mapping each carrier wave of many carrier waves onto at least one power amplifier respectively according to a mapping mode; mapping each carrier wave which passes power amplifier onto at least one antenna according to the mapping mode, and transmitting the carrier waves which are mapping onto the antennas via the antennas. In the embodiment of the invention, each carrier wave of many carrier waves is mapped onto at least one power amplifier respectively; each carrier wave through power amplified is mapped onto at least one antenna, and carrier waves through power amplified are transmitted via antennas, so a carrier wave can be transmitted via many antennas, the diversity gain of multi-carrier waves system is achieved, and the spectrum effectiveness of multi-carrier waves system is enhanced.

Description

 Carrier transmission method and user equipment

 The present invention relates to the field of communications, and in particular to a carrier transmission method and user equipment. Background technique

 In recent years, multi-carrier technology has become a key technology in communication systems with its higher peak user throughput, average user throughput and edge user throughput, playing an irreplaceable role in greatly improving spectrum efficiency.

 Before the introduction of multi-carrier technology, in a single-carrier system, the carrier will pass through a power amplifier (Power

Amplifier, hereinafter referred to as: PA) is transmitted from the antenna.

 In the existing multi-carrier system, one broadband main carrier is divided into a plurality of carriers, and data is simultaneously transmitted on a plurality of carriers. However, in the existing multi-carrier system, there is no corresponding relationship between each carrier and the PA and the antenna, that is, there is no technical scheme in which each carrier is transmitted from which antenna.

 In a multi-carrier system, the correspondence between the carrier and the PA and the antenna in the single-carrier system can be used, that is, each carrier has a simple correspondence with the PA and the antenna. As shown in FIG. 9, specifically, one carrier corresponds to one. PA and an antenna. When the carrier is transmitted, the PA amplifies the corresponding carrier and transmits it through the antenna connected to the PA.

 However, since one carrier can only be transmitted through one PA and one antenna corresponding thereto, each antenna transmits a different carrier. Therefore, diversity gain cannot be obtained between each carrier, and the spectrum efficiency of the multi-carrier system is reduced. Summary of the invention

 Embodiments of the present invention provide a carrier transmission method and user equipment, which are used to obtain diversity gain in a multi-carrier system, and improve spectrum efficiency of a multi-carrier system.

 An embodiment of the present invention provides a carrier transmission method, including:

Mapping each of the plurality of carriers to the at least one power amplifier according to the mapping mode; Mapping each carrier passing through the power amplifier to at least one antenna according to the mapping mode, and transmitting, by the antenna, a carrier mapped to the antenna

 The embodiment of the invention further provides a user equipment, including:

 a first mapping module, configured to map each of the multiple carriers to the at least one power amplifier according to the mapping mode;

 a second mapping module, configured to map each carrier that passes through the power amplifier to the at least one antenna according to the mapping mode, and transmit, by using the antenna, a carrier mapped to the antenna; and the plurality of the power amplifiers, For power amplification of a carrier mapped to the power amplifier;

 A plurality of said antennas for transmitting a carrier mapped onto said antenna.

 According to the foregoing technical solution, the embodiment of the present invention maps each carrier of multiple carriers to at least one power amplifier, and maps each power-amplified carrier to at least one antenna, and transmits power through the antenna. The latter carrier enables a carrier to be transmitted through multiple antennas, obtaining diversity gain in a multi-carrier system, and improving the spectral efficiency of the multi-carrier system. DRAWINGS

 1 is a schematic flowchart of a carrier transmitting method according to Embodiment 1 of the present invention;

 2 is a schematic flowchart of a carrier transmitting method according to Embodiment 2 of the present invention;

 3 is a schematic flowchart of a carrier transmitting method according to Embodiment 3 of the present invention;

 4 is a schematic flowchart of a carrier transmitting method according to Embodiment 4 of the present invention;

 FIG. 5 is a schematic flowchart of a carrier transmitting method according to Embodiment 5 of the present invention;

 6 is a schematic flowchart of a carrier transmitting method according to Embodiment 6 of the present invention;

 7 is a schematic flowchart of a carrier transmitting method according to Embodiment 7 of the present invention;

 FIG. 8 is a schematic structural diagram of a UE according to Embodiment 8 of the present invention;

 FIG. 9 is a schematic structural diagram of a PA and an antenna corresponding to a carrier in the prior art. detailed description

 Specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic flowchart diagram of a carrier transmitting method according to Embodiment 1 of the present invention. As shown in Figure 1, This embodiment may include the following steps:

 Step 101: Map each of the multiple carriers to at least one power amplifier according to the mapping mode.

 Step 102: Map each carrier that passes through the power amplifier to at least one antenna according to the mapping mode, and transmit a carrier mapped to the antenna through the antenna.

 The carrier transmission method provided by this embodiment can be applied to, for example, Orthogonal Frequency Division Multiplexing (OFDM), Code Division Multiple Access (CDMA), and time division. In a multi-carrier system such as Multiple Access Multiple Access (TDMA), the following embodiments use an OFDM system as an example, but are not limited to an OFDM system.

 The OFDM system includes: a base station (or a universal mobile communication system terrestrial radio access network node, e-UTRAN Node B, hereinafter referred to as: eNB), a user equipment (User Equipment, hereinafter referred to as UE), and an access point (Access) Point ) and other devices. A plurality of access points belong to the same eNB or different eNBs, and the eNB provides a data transmission service to the UE by coordinating the multi-point transmission technology, that is, the eNB carries the required direction by mapping to multiple PAs and carriers on multiple antennas. The service data sent by the UE first transmits the service data to a plurality of access points that are geographically separated from each other, and then the service data is simultaneously transmitted to the one or more UEs by the plurality of access points. In order to improve the data transmission efficiency of the entire OFDM system, the UE needs to feed back channel state information (CSI) between itself and multiple access points before performing coordinated multi-point transmission and coordinated multi-point reception. To the eNB, the eNB performs scheduling of time-frequency resources according to the CSI. When the UE feeds back CSI to the eNB, the CSI can be carried by mapping to multiple PAs and carriers on the antenna. Therefore, the carrier transmission method in this embodiment may be applied to an actual application scenario in which the eNB sends the service data to the UE, and may also be applied to the actual application scenario in which the UE feeds back the CSI to the eNB. This embodiment will focus on the case where the UE feeds back the CSI scenario to the eNB, but is not limited to the above scenario.

 Since the carrier transmission method provided by the present invention is applicable to a multi-carrier system, the UE in this embodiment has at least two PAs and at least two antennas, and multiple carriers are represented by fl, f2, β fn, and multiple PAs are PA1. , PA2, PA3 PAn means that multiple antennas are in LI, L2

L3 Ln indicates. Wherein, the magnification of PA1 is Al, and the magnification of PA2 is A2.

The magnification of PA3 is A3, and the magnification of PAn is An. In this embodiment, when the UE transmits a carrier to the eNB, the carrier is first mapped to at least one PA for power amplification according to the set mapping mode, and then the carrier that passes through the PA is mapped to at least one antenna and transmitted to the eNB through the antenna. The two-stage mapping process enables a carrier to be transmitted through multiple antennas to obtain diversity gain and improve spectral efficiency. The mapping mode reflects the correspondence between the carrier and the PA and the antenna, and is an interface between the UE and the eNB for transmitting and receiving carriers. The interface between the UE and the eNB must be unified. The eNB can send a mode switching message to the UE to indicate that the UE transmits a carrier to the eNB according to the mapping mode determined by the eNB. The UE may also send a mode switching message to the eNB. The mapping mode used by the UE notifies the eNB to instruct the eNB to receive the carrier in a manner corresponding to the mapping mode. Alternatively, the UE and the eNB may transmit the carrier in the mapping mode determined by the protocol according to the same contracting protocol. The specific implementation form may be selected according to actual conditions, and is not limited to the above three modes.

 This embodiment provides six mapping modes, and correspondingly provides six carrier transmission methods. In the actual application, the above six carrier transmission methods may be extended and combined, but all should be within the scope of the claimed invention. . The six carrier transmission methods provided by the embodiments of the present invention will be described in detail below based on the six mapping modes.

 The first mapping mode is to simultaneously map each carrier of the multiple carriers to multiple PAs, and the different carriers are time division multiplexed (Time Division Multiplex, hereinafter referred to as TDM), and then the carrier through the PA is mapped to the On the antenna corresponding to the PA, each antenna transmits one carrier. According to the first mapping mode, each carrier is amplified by at least two PAs and simultaneously transmitted through at least two antennas, and each carrier is time division multiplexed.

 When the UE sends a carrier to the eNB according to the first mapping mode, the UE simultaneously maps each of the multiple carriers fl, f2, β f to the PA1, PA2.PA3 according to the TDM manner.

On PAn, where PA1 corresponds to LI, PA2 corresponds to L2, PA3 corresponds to L3, and PAn corresponds to Ln. At time T1, fl is simultaneously amplified on PA1, PA2, PA3 PAn, respectively, to generate amplified carriers flAl, flA2, flA3 flAn, respectively, then UE maps flAl to L1, flA2 maps to L2, flA3 maps to L3 On, , flAn maps to

On Ln, then, Ll, L2, L3 Ln are simultaneously emitted by ^^ flAl flA2, flA3 flAn. At time T2, f2 is simultaneously amplified on ΡΑ1, ΡΑ2, ΡΑ3 PAn, respectively, and the amplified carriers f2Al, f2A2, f2A3 f2An are generated respectively, and then, the UE will f2Al Map to LI, f2A2 maps to L2, f2A3 maps to L3, and f2An maps to

Ln, then, Ll, L2, L3 Ln simultaneously ^ ^ GAl f2A2, f2A3 f2An are emitted. Follow-up moments and so on, no longer repeat them. In this embodiment, the number of carriers is the same as the number of PAs and antennas, but only by way of example, the number of carriers is not limited to the number of carriers and the number of antennas. For example, there are carriers fl, , β, power amplifiers ΡΑ1, ΡΑ2, and an antenna LI corresponding to PA1 and an antenna L2 corresponding to PA2. When the UE adopts the first mapping mode, at time T1, the UE maps fl to both PA1 and PA2 for amplification, and the amplified flAl is transmitted via L1, and the amplified flA2 is transmitted at the same time of flAl transmission via L2; At the moment, the UE will simultaneously map to PA1 and PA2 for amplification, and the amplified f2Al and f2A2 will be transmitted at the same time via L1 and L2 respectively. At time T3, the UE maps β to PA1 and ΡΑ2 simultaneously for amplification, after amplification. The βΑΙ and βΑ2 are transmitted at the same time via L1 and L2, respectively, and so on. It can be seen that the number of carriers is not necessarily the same as the number of antennas and antennas.

 Further, the time interval between the respective times is, for example, a time interval from the time T1 to the time Τ2, a time interval from the time Τ2 to the time Τ3, and the like, and may be one subframe or a plurality of subframes. And the time intervals between the respective times may be the same or different. The number of PAs and antennas may or may not correspond to the number of carriers. When the number of PAs and antennas corresponds to the number of carriers, if the number of carriers is increased, the corresponding number of PAs and antennas need to be increased. When the number of PAs and antennas does not correspond to the number of carriers, if the number of carriers is increased, there is no need to increase the number of carriers. And the number of antennas, only need to map the added carriers to PA1, PA2, PA3 PAn simultaneously according to TDM mode, which saves PA and antenna resources. When the UE transmits a carrier to the eNB according to the first mapping mode, the same carrier of different PAs is simultaneously transmitted on multiple antennas, and the spatial diversity gain of the carrier can be obtained, thereby improving the spectrum efficiency of the multi-carrier system. In this embodiment, the PA may be, for example, a PA having a wide bandwidth to process carriers on different frequency bands.

The second mapping mode is to map each of the multiple carriers to one PA, and the multiplexing mode between different carriers is TDM, and then the carriers that pass through the PA are simultaneously mapped to at least two antennas, so that multiple The antenna simultaneously transmits the same carrier. When the UE sends a carrier to the eNB according to the second mapping mode, the UE sequentially maps the multiple carriers fl, , β f to the PA1 PAn according to the TDM manner, where PA1 corresponds to L1, L2, L3 Ln, and PA2 corresponds to L1. , L2, L3 Ln. At time Tl, fl is amplified on PA1, resulting in amplification The carrier flAl, next, the UE maps flAl to L1, L2, L3 Ln, respectively, and then L1, L2, L3 Ln simultaneously emits flAl. At time T2, it is amplified on ΡΑ2 to generate the amplified carrier f2A2. Next, the UE maps GA2 to L1, L2, and L3, respectively.

 On Ln, then Ll, L2, L3 Ln simultaneously transmit f2A2. Follow-up moments and so on, no longer repeat them. For the case of the time interval between the times, and whether the number of the carriers and the number of the antennas need to be increased, the foregoing description may be referred to, and details are not described herein.

 When the UE transmits a carrier to the eNB according to the second mapping mode, the same carrier is simultaneously transmitted on multiple antennas, and the spatial diversity gain of the carrier can be obtained, thereby improving the spectrum efficiency of the multi-carrier system. In this embodiment, since it is possible that each PA only processes a carrier of a specific bandwidth, the PA can be, for example, a PA with a narrow bandwidth to save costs.

 The third mapping mode maps each of the plurality of carriers to one PA, and then maps the carriers passing through the PA to each antenna, so that each antenna transmits one carrier. When the UE transmits a carrier to the eNB according to the third mapping mode, PA1 corresponds to L1, L2, and L3, respectively.

 Ln, PA2 correspond to LI, L2, L3 Ln, respectively, PA3 corresponds to LI, L2, L3

Ln, PAn correspond to L1, L2, L3 Ln, respectively. At time T1, fl is amplified on PA1, amplified on PA2, β is amplified on ΡΑ3, and f is amplified on PAn, respectively generating amplified carriers flAl, f2A2, f3A3 fhAn, and then, UE maps flAl to L1 Upper, ΩΑ2 maps to L2, βΑ3 maps to L3, fhAn maps to Ln, and then L1, L2, L3 Ln simultaneously ^^ flAl f2A2, f3A3 fhAn are transmitted. At time T2, fl is amplified on PA1, amplified on PA2, β is amplified on ΡΑ3, and fn is amplified on PAn, respectively generating amplified carriers flAl, f2A2, βΑ3 fhAn, and then, UE maps f2A2 to LI Above, βΑ3 maps to L2, f4A4 maps to L3, fhAn maps to Ln-1, flAl maps to Ln, and then L1, L2, L3 Ln simultaneously transmits f2A2, βΑ3, f4A4 fhAn, flAl. At a subsequent time, the order in which multiple carriers are mapped to the PA is unchanged, and only the carrier after the PA is mapped to each antenna in turn, and details are not described herein again. The time interval between the respective moments has been described in the above embodiment, and details are not described herein again. When the number of PAs and antennas corresponds to the number of carriers, if the number of carriers is increased, the corresponding number of PAs and antennas need to be increased. When the number of PAs and antennas does not correspond to the number of carriers, if the number of carriers is increased, Need to increase the number of PAs and antennas, just The carrier is divided into a plurality of combinations according to the number of PAs, and the combined carriers are transmitted according to the above-described carrier transmission method. For example: The original three carriers are fl, f2, and β, and the three PAs are PA1, PA2, and PA3, respectively, and the three antennas are L1, L2, and L3. When the UE transmits a carrier to the eNB according to the third mapping mode, PA1 corresponds to L1, L2, and L3, respectively, and PA2 corresponds to L1, L2, and L3, respectively, and PA3 corresponds to L1, L2, and L3, respectively. If a carrier f4 is added without increasing the number of PAs and antennas, the four carriers fl, , β, and f4 are divided into fl, , β, and f4 according to the number 3 of PAs, and a group of f2, β, and f4, f4 , fl, f2—group, β, f4, fl. Then, the combined carrier is transmitted according to the above-mentioned carrier transmission method. When one antenna transmits three carriers in a combination in turn, the next group of carriers is mapped to the PA, and the subsequent process and the like. When the UE transmits a carrier to the eNB according to the third mapping mode, multiple antennas transmit the same carrier amplified by the same PA in consecutive times, and the time diversity gain of the carrier can be obtained, thereby improving the spectrum efficiency of the multi-carrier system. In this embodiment, since each PA may only amplify the carrier on the fixed frequency band, the PA may be, for example, a PA with a narrow bandwidth to save cost.

 The fourth mapping mode is to map each of the plurality of carriers to each PA in turn, and then map the carriers that pass through the PA to the antenna corresponding to the PA, so that each antenna transmits one carrier. When the UE transmits a carrier to the eNB according to the fourth mapping mode, PA1 corresponds to LI, and PA2 corresponds to L2.

PA3 corresponds to L3, and PAn corresponds to Ln. At time T1, fl is amplified on PA1, f2 is amplified on PA2, β is amplified on ΡΑ3, and f is amplified on PAn, respectively generating amplified carriers flAl, f2A2, f3A3 fnAn, and then, UE maps flAl to On LI, A2 maps to L2, βΑ3 maps to L3, fnAn maps to Ln, and then L1, L2, L3 Ln simultaneously ^^ flAl A2, βΑ3 fnAn are transmitted. At time T2, it is amplified on PA1, β is amplified on ΡΑ2, f4 is amplified on PA3, f is amplified on PAn-1, and fl is amplified on PAn, respectively generating amplified carriers GA1, βΑ2, f4A3 fnAn -1, flAn, next, the UE maps f2Al to L1, βΑ2 maps to L2, f4A3 maps to L3, fnAn-1 maps to Ln-1, flAn maps to Ln, and then L1, L2, L3 Ln At the same time ^ ^ ΏΑΙ βΑ2, f4A3 fnAn - 1, and fl An are emitted. At a subsequent time, each carrier is mapped to a PA in turn, and the carrier of the PA is mapped to the antenna corresponding to the PA, which is not mentioned here. The time interval between the respective moments has been described in the above embodiment, and details are not described herein again. Among them, if the load is increased For the number of the waves, the corresponding number of the PAs and the antennas may be added, or the corresponding number of the PAs and the antennas may not be added. The specific implementation refers to the description in the carrier transmission method corresponding to the third mapping mode, and details are not described herein again. When the UE transmits a carrier to the eNB according to the fourth mapping mode, the same carrier is amplified by different PAs in a continuous time, and transmitted by multiple antennas corresponding to the PA, and the time and space diversity gain of the carrier can be obtained. , improve the spectral efficiency of multi-carrier systems. In this embodiment, the PA may be, for example, a PA with a wide bandwidth to process carriers on different frequency bands.

 The fifth mapping mode is to map each of the multiple carriers to one PA, and then delay the carrier that passes the PA, and simultaneously map the delayed carriers to each antenna. The carriers of the power amplifier corresponding to each antenna are combined to generate a combined carrier having orthogonality or low correlation with each other, and finally each antenna transmits one combined carrier, and each combined carrier includes at least one carrier.

 When the UE transmits a carrier to the eNB according to the fifth mapping mode, PA1 corresponds to LI, PA2 corresponds to L2, PA3 corresponds to L3, and PAn corresponds to Ln. At time T1, fl is amplified on PA1, amplified on PA2, β is amplified on ΡΑ3, and f is amplified on PAn to generate amplified carriers flAl, f2A2, f3A3 fhAn, respectively. Next, the UE performs fl - 1 way delay processing, for example, let flAl pass n - 1 delay units, each delay unit is

Dl l, D12, D13, and Dln-1 respectively generate delay-processed carriers flAlDl l, flAlD12, flAlD13, and flAlDln - 1, respectively, and f2A2 is subjected to n-1 delay processing, and each delay unit is separately For D21, D22, D23, and D2n-1, delay-processed carriers f2A2D21, f2A2D22, A2D23, and f2A2D2n - 1 are respectively generated, and fhAn is subjected to η - 1 delay processing, and each delay unit is separately For Dnl, Dn2, Dn3, ,

Dnn - 1 , respectively, generates delay-processed carriers fnAnDn 1, fhAnDn2, fnAnDn3, and fhAnDnn - 1. Thereafter, the UE maps flAl to L1, flAlDl1 maps to L2, flAlD12 to L3, and flAlDln-1 to Ln. Map GA2 to L2, f2A2D21 to L3, f2A2D22 to L4, and f2A2D2n

- 2 maps to Ln, f2A2D2n - 1 maps to L1, fhAn maps to Ln, fhAnDnl maps to LI_L, and fnAnD2 maps to L2_L. Then, the carrier of the PA corresponding to each antenna is combined with the carrier mapped to the antenna to generate a combined carrier having orthogonality or low correlation with each other, for example, flAl and fnAnDnl on L1, f2A2D2n - 1 and other carriers mapped to L1 are combined to generate a combined carrier flAlf2A2 fnAn, and f2A2 and flAlDl 1 and fnAnDn2 are mapped to L2

The L2 carriers are combined to generate a combined carrier ί2Α2βΑ3 flAl, and the combined carriers generated on other antennas are similar and so on. Finally, each antenna transmits a combined carrier, for example: L1 transmit combined carrier flAlf2A2 fnAn, L2 transmit combined carrier f2A2DA3 flAl. The carrier transmission process at the subsequent time is the same as that at T1, and will not be described here. The time interval between the respective times has been explained in the above embodiment, and will not be described here. If the number of carriers is increased, the corresponding number of PAs and antennas may be added, or the corresponding number of PAs and antennas may not be added. The specific implementation refers to the description in the carrier transmission method corresponding to the third mapping mode. Narration. When the UE transmits the spatial diversity gain of the carrier obtained to the eNB according to the fifth mapping mode, the spectrum efficiency of the multi-carrier system is improved.

 The sixth mapping mode is to delay processing each of the multiple carriers, and then mapping the delayed processed carrier to a PA and combining with other carriers mapped to the PA to generate a combined carrier having orthogonality or low correlation with each other, such that the combined carrier passes through the PA, and then, the combined carrier that passes the PA is mapped to the antenna corresponding to the PA, and finally, each antenna transmits a combined carrier. The combined carrier includes at least one carrier. When the UE transmits a carrier to the eNB according to the sixth mapping mode, PA1 corresponds to LI, PA2 corresponds to L2, PA3 corresponds to L3, and PAn corresponds to Ln. At time T1, the UE first performs fl-n-1 delay processing, for example, fl passes n - 1 delay units, and each delay unit is D11, D12, D13, respectively.

Dln-1, respectively, generates delay-processed carriers flDll, flD12, flD13, , flDln

- 1 , will delay the processing of n - 1 , each delay unit is D21, D22, D23,

D2n-1, respectively, generates delay-processed carriers D21, D22, f2D23, and f2D2n

- 1, , f is subjected to η- 1 delay processing, and each delay unit is Dnl, Dn2, Dn3, and Dnn-1, respectively, and generates delay-processed carriers f Dnl, f Dn2, and fhDn3, respectively. , fnDnn - 1. Then, the UE maps f 1 to PA1, flDll to PA2, flD12 to PA3, and flDln -1 to PAn. Map f2 to PA2, f2D21 to PA3, map GD22 to PA4, and f2D2n

- 2 maps to PAn, f2D2n - 1 maps to PA1, and fn maps to PAn, Map f Dnl to PA1 and fnD12 to PA2. Afterwards, the UEs are mapped to the carriers on the same PA for combining to generate a combined carrier with orthogonality or low correlation between them. For example, the mapping of fl and fhDnl, f2D2n-1, etc. to the carrier of PA1 is performed on PA1. The combined carrier flf2 fn can be generated, and f2 and flDl l, fhDn2 and the like mapped to the PA2 carrier are combined on the PA2, and the combined carrier ββ fl can be generated, and the combined carriers generated on other PAs are deduced by analogy, and are not described again. Next, the combined carrier flf2 fn is amplified on PA1, the combined carrier ββ fl is amplified on PA2, and the combined carrier fhfl fh-1 is amplified on PAn. The amplified combined carriers fl fhAl , ββ flA2 fnfl f -lAn are respectively generated. Then, the UE maps fl fhAl to LI, maps Ώβ flA2 to L2, maps fnfl fh-1 An to Ln, and finally, Ll, L2 Ln simultaneously flf2 fhAl, f2G flA2

The fhfl f -lAn is transmitted, and the carrier transmission process at the subsequent time is the same as that at the time T1, which is not described here. If the number of carriers is increased, the corresponding number of PAs and antennas may be added, or the corresponding number of PAs and antennas may not be added. The specific implementation refers to the description in the carrier transmission method corresponding to the third mapping mode. Narration. When the UE transmits a carrier to the eNB according to the sixth mapping mode, multiple antennas simultaneously transmit multiple orthogonal or low correlation carriers, which can obtain the spatial diversity gain of the carrier, and improve the spectrum efficiency of the multi-carrier system.

Further, since the determined mapping modes are different, and the introduction of components such as the delay unit and the combiner, the loss of the radio frequency power is caused. Therefore, when the UE transmits the carrier according to the above six mapping modes, the maximum remaining transmit power of the single carrier is used. Not the same. For example, comparing the carrier transmission methods corresponding to the foregoing first mapping mode, the third mapping mode, the fifth mapping mode, and the sixth mapping mode, it is assumed that the UE corresponding to the four mapping modes includes only two antennas and two PAs. If the sum of the maximum transmit powers of the two antennas is 24 dBm, when the carrier is transmitted to the eNB according to the first mapping mode, when the same carrier of the two PAs is simultaneously transmitted on the two antennas, the same carrier can use all the antennas. Transmit, so the maximum residual transmit power of a single carrier is 24 dBm; when transmitting a carrier to the eNB according to the third mapping mode, the two antennas simultaneously transmit different carriers, so the maximum remaining transmit power of the single carrier decreases to 21 dBm; When the mode transmits a carrier to the eNB, the combiner will cause a power loss of 1-3 dBm due to the addition of a combiner in the line, and the two antennas simultaneously emit different carriers, so the maximum remaining transmit power of the single carrier is in the second mapping mode. Base The base is decreased by l - 3dBm and becomes 21dBm; the sixth mapping mode is the same as the fifth mapping mode, and the combiner is also added to the line, so the maximum residual transmission power is also 21dBm. The above six mapping modes generate different maximum residual transmit powers, which can adapt to different needs in practical applications.

 In order to make the time-frequency resource scheduling of the entire OFDM system more reasonable, the UE in the embodiment of the present invention can transmit a carrier according to any one of the foregoing six mapping modes. After the mapping mode is determined, the UE needs to calculate the remaining transmit power on each carrier in the determined mapping mode, and report it to the eNB. A more reasonable mapping mode is determined by the eNB with reference to the remaining transmit power and CSI information. The manner in which the UE reports the remaining transmit power of each carrier to the eNB may be reported as an absolute value separately; or may be an absolute value of the remaining transmit power of the reported one carrier, and a difference between the remaining transmit power of the carrier and the other carrier. . The specific reporting method can be selected according to the actual situation, and the above two methods do not limit the protection scope of the present invention.

 In this embodiment, after the UE transmits the remaining transmit power and CSI of each carrier to the eNB, the eNB uses the remaining transmit power reported by the UE and the CSI as a reference to determine a more reasonable mapping mode, and sends a mode switch message to the UE. To indicate that the UE switches to the corresponding mapping mode.

 According to the foregoing technical solution, the embodiment of the present invention maps each carrier of multiple carriers to at least one power amplifier, and maps each power-amplified carrier to at least one antenna, and transmits power through the antenna. The latter carrier enables a carrier to be transmitted through multiple antennas, obtaining diversity gain in a multi-carrier system, and improving the spectral efficiency of the multi-carrier system.

 Further, when multiple carriers passing through multiple PAs are used as reference signals, multiple carriers will be transmitted through different antennas, and states on different channels can be measured to obtain channel state information of wireless channels corresponding to different antennas, thereby Improve the spectral efficiency of multi-carrier systems.

 FIG. 2 is a schematic flowchart of a carrier transmitting method according to Embodiment 2 of the present invention. This embodiment is based on the foregoing Embodiment 1 and describes a process of performing carrier transmission according to a first mapping mode. As shown in FIG. 2, this embodiment may include the following steps:

 It should be noted that the present embodiment is described in the case where the UE has two PAs and two antennas. In the present embodiment, two PAs are respectively represented by PA1 and PA2, and two antennas are respectively represented by L1 and L2, and two carriers are respectively represented by fl and f2, wherein the magnification of PA1 is Al and the magnification of PA2 is A2.

Step 201: The eNB sends a mode switching message to the UE, instructing the UE to send according to the first mapping mode. Shoot the carrier.

 When the eNB selects the first mapping mode as the current reasonable time-frequency resource scheduling mode according to the information such as the CSI and the remaining transmit power, the eNB sends a mode switching message to the UE, instructing the UE to transmit the carrier according to the first mapping mode.

 The mode switching message and the first mapping mode have been described in detail in the foregoing first embodiment, and details are not described herein again.

 In this embodiment, step 201 is an optional step. Before step 202, the UE may decide to use the first mapping mode, or both the UE and the eNB use the first mapping mode. In the following embodiments, reference is made to the description and will not be described again.

 Step 202: The UE simultaneously maps one carrier of the multiple carriers to the first mapping mode to

PA1 and PA2.

 When the UE transmits the carriers fl and f2 according to the first mapping mode, the UE maps fl and according to TDM to PA1 and PA2, for example: at time T1, fl is simultaneously mapped to PA1 and PA2; at time T2, f2 It is mapped to both PA1 and PA2.

 Step 203: PA1 and PA2 simultaneously amplify the power of the carrier.

 Corresponding to the time T1 in the previous step, fl is amplified on PA1 to generate the amplified carrier flAl; fl is amplified on PA2 to generate the amplified carrier flA2; corresponding to the time T2 in the previous step, f2 is on PA1 Amplification, the amplified carrier f2Al is generated; f2 is amplified on PA2, and the amplified carrier f2A2 is generated.

 Step 204: The UE maps the carrier that passes the PA to the antenna corresponding to the PA according to the first mapping mode.

 Wherein, when the UE transmits the carrier according to the first mapping mode, PA1 corresponds to LI, and PA2 corresponds to L2.

 Corresponding to the time T1 in the previous step, the UE maps flAl to L1 and flA2 to L2. Corresponding to the T2 moment in the previous step, the UE maps GA1 to L1 and GA2 to L2.

 Step 205: Each antenna transmits one carrier.

Corresponding to the T1 time in the previous step, L1 will transmit flAl and L2 will transmit flA2; corresponding to the T2 time in the previous step, L1 will transmit GA1 and L2 will emit GA2. go with.

 In this embodiment, after the time T1 and the time T2, the process at time T1 is repeated at time T3, and the process at time T2 is repeated at time T4, and the subsequent time is deduced by analogy, and details are not described herein again.

 Further, the time interval between the moments has been described in detail in the first embodiment, and details are not described herein again.

 In this embodiment, if the number of carriers is increased, the UE may add a corresponding number of PAs and antennas, or may not add corresponding PAs and antennas. The specific implementation manner has been described in detail in the foregoing Embodiment 1, and is no longer Narration.

 Step 206: The UE reports the remaining transmit power and CSI information to the eNB.

 In order to improve the data transmission efficiency of the entire OFDM system, the UE needs to report the CSI between itself and multiple access points and the remaining transmit power on each carrier in the currently used mapping mode to the eNB, so that the eNB can transmit the CSI and the remaining transmission. Power is used as a reference to reasonably schedule the time-frequency resources of the entire OFDM system.

 The remaining transmit power, the way of the remaining transmit power, and the CSI have been described in detail in the first embodiment above, and are not mentioned here.

 It should be noted that, after the UE determines the mapping mode, the remaining transmit power corresponding to the mapping mode can be obtained. Therefore, the step may be performed after the UE receives the mode switching message sent by the eNB. And, since the mapping mode can also be determined by the UE, the steps of calculating and reporting the remaining transmit power and CSI are optional steps.

 In this embodiment, by simultaneously mapping one carrier to multiple power amplifiers and simultaneously transmitting the same carrier through different PAs on multiple antennas, the spatial diversity gain of the carrier can be obtained, and the spectrum efficiency of the multi-carrier system is improved. .

 Further, when multiple carriers passing through multiple PAs are used as reference signals, multiple carriers will be transmitted through different antennas, and states on different channels can be measured to obtain channel state information of wireless channels corresponding to different antennas, thereby Improve the frequency efficiency of multi-carrier systems.

 FIG. 3 is a schematic flowchart of a carrier transmitting method according to Embodiment 3 of the present invention. This embodiment is based on the foregoing Embodiment 1 and details the process of UE transmitting according to the second mapping mode. As shown in FIG. 3, this embodiment may include the following steps:

The UE in this embodiment refers to the UE in the second embodiment, and has two PAs and two. Antenna, no more details here.

 Step 301: The eNB sends a mode switching message to the UE, instructing the UE to transmit the carrier according to the second mapping mode.

 The second mapping mode has been described in detail in the first embodiment. The step 302 is omitted. The UE maps a carrier to a PA according to the second mapping mode. When the UE transmits the carriers fl and f2 according to the second mapping mode, the UE sequentially inputs the fl and the TDM into a PA, for example: at time T1, fl is mapped to PA1; at time T2, f2 is mapped to On PA2.

 Step 303: The PA amplifies the power of the carrier.

 Corresponding to the time T1 in the previous step, fl is amplified on PA1 to produce an amplified carrier flAl. Corresponding to the time T2 in the previous step, it is amplified on PA2 to generate the amplified carrier f2A2.

 Step 304: The UE simultaneously maps the carriers that pass through the PA to at least two antennas according to the second mapping mode.

 Wherein, when the UE transmits the carrier according to the second mapping mode, PA1 corresponds to L1 and L2, and PA2 corresponds to L1 and L2.

 Corresponding to the T1 moment in the previous step, the UE maps flAl to L1 and L2 simultaneously. Corresponding to the T2 moment in the previous step, the UE maps f2A2 to L1 and L2 simultaneously.

 Step 305: Each antenna simultaneously transmits the same carrier.

 Corresponding to the time T1 in the previous step, L1 and L2 simultaneously transmit flAl; corresponding to the time T2 in the previous step, L1 and L2 simultaneously transmit GA2.

 In this embodiment, after the time T1 and the time T2, the process at time T1 is repeated at time T3, and the process at time T2 is repeated at time T4, and the subsequent time is deduced by analogy, and details are not described herein again.

 Further, the time interval between the moments has been described in detail in the first embodiment, and details are not described herein again.

 In this embodiment, if the number of carriers is increased, the UE may add a corresponding number of PAs and antennas, or may not add corresponding PAs and antennas. The specific implementation manner has been described in detail in the foregoing Embodiment 1, and is no longer Narration.

The step 306 of the embodiment is the same as the step 206 of the second embodiment, and details are not described herein again. In this embodiment, the same carrier is simultaneously transmitted by multiple antennas, and the spatial diversity gain of the carrier can be obtained, thereby improving the spectrum efficiency of the multi-carrier system.

 4 is a schematic flowchart of a carrier transmitting method according to Embodiment 4 of the present invention. This embodiment is based on the foregoing Embodiment 1 and describes in detail a process in which a UE performs carrier transmission according to a third mapping mode. As shown in FIG. 4, this embodiment may include the following steps:

 The UE in this embodiment refers to the UE in the foregoing Embodiment 2, and has two PAs and two antennas, which are not described herein again.

 Step 401: The eNB sends a mode switching message to the UE, instructing the UE to send the carrier according to the third mapping mode.

 The third mapping mode has been described in detail in the foregoing first embodiment, and details are not described herein again.

 Step 402: The UE maps a carrier to a PA according to the third mapping mode.

 When the UE transmits the carrier fl and according to the third mapping mode, fl is mapped to PA1 and f2 is mapped to PA2 at time T1; at time T2, fl is mapped to PA1, and f2 is mapped to PA2.

 Step 403: The PA amplifies the power of the carrier mapped to itself.

 Corresponding to the time T1 in the previous step, fl is amplified on PA1, and f2 is amplified on ΡΑ2 to generate amplified carriers flAl and f2A2. Corresponding to T2 in the previous step, fl is amplified on PA1, and f2 is at PA2. The amplification is also performed, and the amplified carriers flAl and f2A2 are also generated.

 Step 404: The UE maps the carrier that passes the PA to each antenna according to the third mapping mode.

 Wherein, when the UE transmits a carrier according to the third mapping mode, PA1 corresponds to L1 and L2, and PA2 corresponds to L1 and L2.

 Corresponding to the T1 moment in the previous step, the UE maps flAl to L1 and GA2 to L2. Corresponding to the T2 moment in the previous step, the UE maps flAl to L2 and GA2 to L1.

 Step 405: Each antenna transmits one carrier.

Corresponding to the T1 moment in the previous step, L1 will transmit flAl and L2 will transmit f2A2; corresponding to the T2 moment in the previous step, L1 will transmit GA2, and L2 will emit flAl. go with.

 In this embodiment, after the time T1 and the time T2, the process at time T1 is repeated at time T3, and the process at time T2 is repeated at time T4, and the subsequent time is deduced by analogy, and details are not described herein again.

 Further, the time interval between the moments has been described in detail in the first embodiment, and details are not described herein again.

 In this embodiment, if the number of carriers is increased, the UE may add a corresponding number of PAs and antennas, or may not add corresponding PAs and antennas. The specific implementation manner has been described in detail in the foregoing Embodiment 1, and is no longer Narration.

 The step 406 of the embodiment is the same as the step 206 of the second embodiment, and details are not described herein again. In this embodiment, by mapping the same carrier to multiple antennas, so that multiple antennas transmit the same carrier in consecutive times, the time diversity gain of the carrier can be obtained, and the frequency efficiency of the multi-carrier system is improved.

 Further, in this embodiment, when multiple carriers transmitted by different antennas are used as reference signals, the states on different channels can still be measured, and channel state information of the wireless channels corresponding to different antennas is obtained.

 FIG. 5 is a schematic flowchart of a carrier transmitting method according to Embodiment 5 of the present invention. This embodiment is based on the foregoing Embodiment 1, and describes a process of performing carrier transmission according to a fourth mapping mode. As shown in FIG. 5, this embodiment may include the following steps:

 The UE in this embodiment refers to the UE in the foregoing Embodiment 2, and has two PAs and two antennas, which are not described herein again.

 Step 501: The eNB sends a mode switching message to the UE, instructing the UE to transmit the carrier according to the fourth mapping mode.

 The fourth mapping mode has been described in detail in the foregoing first embodiment, and details are not described herein again.

 Step 502: The UE maps each carrier to each PA in turn according to the fourth mapping mode. When the UE transmits the carrier fl and according to the fourth mapping mode, fl is mapped to PA1 and f2 is mapped to PA2 at time T1; at time T2, fl is mapped to PA2 and mapped to PA1.

Step 503: The PA amplifies the power of the carrier mapped to itself. Corresponding to the time T1 in the previous step, fl is amplified on PA1, and f2 is amplified on ΡΑ2 to generate amplified carriers flAl and f2A2; corresponding to the time T2 in the previous step, fl is amplified on PA2, and f2 is in PA1. Zooming in on, generating amplified carriers flA2 and f2Al.

 Step 504: The UE maps the carrier that passes the PA to the antenna corresponding to the PA according to the fourth mapping mode.

 Wherein, when the UE transmits a carrier according to the fourth mapping mode, PA1 corresponds to LI, and PA2 corresponds to L2.

 Corresponding to the T1 moment in the previous step, the UE maps flAl to L1 and GA2 to L2. Corresponding to the T2 moment in the previous step, the UE maps GA1 to L1 and flA2 to L2.

 Step 505: Each antenna transmits one carrier.

 Corresponding to the T1 moment in the previous step, L1 transmits flAl and L2 transmits f2A2; corresponding to the T2 moment in the previous step, L1 transmits GA1 and L2 transmits flA2.

 In this embodiment, after the time T1 and the time T2, the process at time T1 is repeated at time T3, and the process at time T2 is repeated at time T4, and the subsequent time is deduced by analogy, and details are not described herein again.

 Further, the time interval between the moments has been described in detail in the first embodiment, and details are not described herein again.

In this embodiment, if the number of carriers is increased, the UE may add a corresponding number of PAs and antennas, or may not add corresponding PAs and antennas. The specific implementation manner has been performed in the foregoing Embodiment 1.

 The step 506 of the embodiment is the same as the step 206 of the second embodiment, and details are not described herein again. In this embodiment, the carrier is alternately mapped to each PA by using a carrier, and the carrier is transmitted on the antenna corresponding to the PA, so that multiple antennas transmit the same carrier in consecutive times, and the time diversity gain of the carrier can be obtained, which is improved. Spectrum efficiency of multi-carrier systems.

 Further, in this embodiment, when multiple carriers transmitted by different antennas are used as reference signals, the states on different channels can still be measured, and channel state information of the wireless channels corresponding to different antennas is obtained.

FIG. 6 is a schematic flowchart of a carrier transmitting method according to Embodiment 6 of the present invention. The foregoing first embodiment is a cornerstone, and the process of performing carrier transmission by the UE according to the fifth mapping mode is described in detail. As shown in FIG. 6, this embodiment may include the following steps:

 The UE in this embodiment refers to the UE in the foregoing Embodiment 2, and has two PAs and two antennas, which are not described herein again. The difference is that two delay units are added in the embodiment, which are represented by D1 and D2, respectively, and two combiners are respectively represented by C 1 and C2.

 Step 601: The eNB sends a mode switching message to the UE, instructing the UE to send the carrier according to the fifth mapping mode.

 The fifth mapping mode has been described in detail in the foregoing first embodiment, and details are not described herein again.

 Step 602: The UE maps a carrier to a PA according to the fifth mapping mode.

 When the UE transmits the carrier fl and according to the fifth mapping mode, at time T1, fl is mapped to PA1 and mapped to PA2.

 Further, in the embodiment, the process of T1 is repeated at the time of T2 and Τ3, and therefore, only the process at time T1 is described in this embodiment, and the process at other times is not described again.

 Step 603: Amplify the power of the carrier mapped to itself.

 At time T1, fl is amplified on PA1 and f2 is amplified on PA2, producing amplified carriers flAl and f2A2.

 Step 604: Perform delay processing on the carrier that passes through the PA.

 At time T1, the UE inputs flAl to D1 for delay processing, generates delay-processed carrier flAlDl, and inputs f2A2 to D2 for delay processing to generate delayed-processed carrier f2A2D2.

 Step 605: The UE maps the delayed carrier to an antenna.

 At time T1, the UE maps flAl to L1, flAlD1 maps to L2, f2A2 to L2, and GA2D2 to L1.

 Step 606: The UE combines carriers mapped to the same antenna to generate a combined carrier. At time T1, C1 combines flAl and GA2D2 mapped to L1 to generate a combined carrier flAlf2A2. C2 combines flAlDl and f2A2 mapped to L2 to generate a combined carrier f2A2flAl.

The combined carriers flAlf2A2 and f2A2flAl have orthogonality or low correlation with each other. Step 607: Each antenna sends a combined carrier.

 At time T1, L1 transmits flAlf2A2, and L2 transmits f2A2flAl.

 Further, the time interval between the moments has been described in detail in the first embodiment, and details are not described herein again.

 In this embodiment, if the number of carriers is increased, the UE may add a corresponding number of PAs and antennas, or may not add corresponding PAs and antennas. The specific implementation manner has been described in detail in the foregoing Embodiment 1, and is no longer Narration.

 The step 608 of the embodiment is the same as the step 206 of the second embodiment, and details are not described herein again. The carrier can obtain the spatial diversity gain of the carrier and improve the spectral efficiency of multiple carrier systems.

 FIG. 7 is a schematic flowchart of a carrier transmitting method according to Embodiment 7 of the present invention. This embodiment is based on the foregoing Embodiment 1 and describes a process of performing carrier transmission according to a sixth mapping mode. As shown in FIG. 7, this embodiment may include the following steps:

 The UE in this embodiment refers to the UE in the foregoing sixth embodiment, and has two PAs and two antennas, two delay units D1 and D2, and two combiners C1 and C2, which are not mentioned here.

 Step 701: The eNB sends a mode switching message to the UE, instructing the UE to send the carrier according to the sixth mapping mode.

 The sixth mapping mode has been described in detail in the foregoing first embodiment, and details are not described herein again.

 Step 702: The UE performs delay processing on each carrier according to the sixth mapping mode.

 At time T1, the UE inputs fl to D1 for delay processing, generates delay-processed carrier flDl, and inputs it to D2 for delay processing to generate carrier D2 after delay processing.

 Further, in the embodiment, the process of T1 is repeated at the time of T2 and Τ3, and therefore, only the process at time T1 is described in this embodiment, and the process at other times is not described again.

 Step 703: Map the delayed carrier to a frame.

 At time T1, the UE maps fl to PA1, maps flDl to PA2, maps to PA2, and maps f2D2 to PA1.

Step 704: The UE combines the carriers mapped to the same PA to generate a combined carrier. At time T1, C1 merges the fl and D2 mapped to PA1 to generate a combined carrier. Flf2. C2 will map to flD1 on PA2 and merge to generate combined carrier f2fl.

 The combined carriers flf2 and f2fl have orthogonality or low correlation with each other.

 Step 705: The PA amplifies the power of the combined carrier generated on itself.

 At time T1, the combined carrier fl is amplified on PA1 to produce an amplified carrier flf2Al, and the combined carrier fl is amplified on PA2 to produce an amplified carrier f2flA2.

 Step 706: Map the combined carrier that passes through the PA to an antenna corresponding to the PA.

 At time T1, the UE maps flGAl to L1 and flA2 to L2.

 Step 707: Each antenna sends a combined carrier.

 At time T1, L1 transmits flGAl and L2 transmits f2flA2.

 Further, the time interval between the moments has been described in detail in the first embodiment, and details are not described herein again.

 In this embodiment, if the number of carriers is increased, the UE may add a corresponding number of PAs and antennas, or may not add corresponding PAs and antennas. The specific implementation manner has been described in detail in the foregoing Embodiment 1, and is no longer Narration.

The step 708 of the embodiment is the same as the step 206 of the second embodiment, and details are not described herein again.

The carrier can obtain the spatial diversity gain of the carrier and improve the spectral efficiency of multiple carrier systems.

 FIG. 8 is a schematic structural diagram of a UE according to Embodiment 8 of the present invention. As shown in FIG. 8, the UE in this embodiment includes: a plurality of PAs 11, a plurality of antennas 12, a first mapping module 13, and a second mapping module 14. The first mapping module 13 is configured to map each of the multiple carriers to the at least one PA11 according to the mapping mode. The second mapping module 14 is configured to map each carrier that passes through the PA11 according to the mapping mode. To at least one antenna 12; PA11 is used for power amplification of a carrier mapped to the PA11; and antenna 12 is used to transmit a carrier mapped to the antenna 12.

Further, the manner in which the mapping mode is determined in this embodiment may be that the eNB sends a mode switching message to the UE in this embodiment, and the UE in this embodiment further includes: a receiving module 15 and a first determining module 16. The receiving module 15 is configured to receive a mode switching message sent by the network side. The first determining module 16 is configured to determine a mapping mode according to the mode switching message received by the receiving module 15. Another mode for determining the mapping mode in this embodiment may be: after determining the mapping mode by the first determining module 16 in the UE in this embodiment, the first sending module (not shown) is configured according to the first determining module 16 The determined mapping mode sends a mode switching message corresponding to the mapping mode to the network side to instruct the network side to receive the carrier in a manner corresponding to the mapping mode. A further manner of determining the mapping mode in this embodiment may be that the first determining module 16 of the embodiment determines the mapping mode according to the same agreement protocol as the network side.

 In this embodiment, six mapping modes are included, and the embodiment is different according to the determined mapping mode.

The structure of the UE is also different. The structure of the UE in this embodiment is described in detail in the following embodiments based on the mapping mode.

 When the first determining module 16 determines that the mapping mode is the first mapping mode, the first mapping module 13 in the UE in this embodiment is specifically configured to simultaneously map each carrier of multiple carriers to multiple PA11s, and different carriers. The second mapping module 14 is specifically configured to map the carrier through the PA 11 to the antenna 12 corresponding to the PA 11; the antenna 12 is specifically configured to transmit one carrier through each antenna 12.

 When the first determining module 16 determines that the mapping mode is the second mapping mode, the first mapping module 13 in the UE in this embodiment is specifically configured to map each of the multiple carriers to one PA11, and between different carriers. Time division multiplexing; the second mapping module 14 simultaneously maps the carriers passing through the PA 11 to the at least two antennas 12; the antenna 12 is specifically configured to simultaneously transmit the same carrier through each antenna 12.

 When the first determining module 16 determines that the mapping mode is the third mapping mode, the first mapping module 13 in the UE in this embodiment is specifically configured to map each carrier of the multiple carriers to one PA11; the second mapping module 14 is specifically used to map the carrier passing through the PA 11 to each antenna 12; each antenna 12 is used to transmit one carrier.

 When the first determining module 16 determines that the mapping mode is the fourth mapping mode, the first mapping module 13 in the UE in this embodiment is specifically configured to map each of the multiple carriers to each PA11 in turn; The module 14 is specifically configured to map the carrier through the PA 11 to the antenna 12 corresponding to the PA 11 ; the antenna 12 is specifically configured to transmit one carrier through each antenna 12 .

When the first determining module 16 determines that the mapping mode is the fifth mapping mode, the first mapping module 13 in the UE in this embodiment is specifically configured to map each carrier of the multiple carriers to one PA11; the second mapping module 14 further includes: a delay unit (not shown), a mapping unit (not shown), and a merging unit (not shown). The delay unit is configured to delay processing the carrier passing the PA11; the mapping unit is configured to simultaneously map the delayed processed carrier to each The merging unit is configured to combine the delayed carrier with the carrier of the PA11 corresponding to each antenna 12 to generate a combined carrier having orthogonality or low correlation with each other; For transmitting one combined carrier through each antenna 12, the combined carrier includes at least one carrier.

 When the first determining module 16 determines that the mapping mode is the sixth mapping mode, the first mapping module 13 in the UE of the embodiment further includes: a delay unit (not shown), a mapping unit (not shown) And merge units (not shown). The delay unit is configured to delay processing each of the multiple carriers; the mapping unit is configured to map the delayed processed carrier to a PA11; the merging unit will delay the processed carrier and The other carriers mapped to the PA11 are combined to generate a combined carrier having orthogonality or low correlation with each other, so that the combined carrier passes the PA11; the second mapping module 14 is specifically configured to map the combined carrier that passes through the PA11 to the The antenna 12 is configured to transmit a combined carrier through each antenna 12, and the combined carrier includes at least one carrier.

 Further, the UE in this embodiment further includes: a second determining module 17 configured to determine a remaining transmit power according to a mapping mode, where the remaining transmit power is a basis for scheduling and transmitting a mode switching message by the network side; The remaining transmit power is transmitted to the network side.

 In the embodiment of the present invention, each of the multiple carriers is mapped to at least one PA11 by using the first mapping module 13, and each of the power-amplified carriers is mapped to at least one antenna 12, and the power is amplified by the antenna 12. The latter carrier enables a carrier to be transmitted through multiple antennas 12, obtaining diversity gain in a multi-carrier system, and improving the spectral efficiency of the multi-carrier system.

 A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

 It should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

Rights request  A carrier transmission method, comprising:  Mapping each of the plurality of carriers to the at least one power amplifier according to the mapping mode;  According to the mapping mode, each carrier passing through the power amplifier is mapped onto at least one antenna, and a carrier mapped to the antenna is transmitted through the antenna.  The method of claim 1, wherein before the mapping each of the plurality of carriers to the at least one power amplifier, the method further includes:  Receiving a mode switching message sent by the network side;  Determining the mapping mode according to the mode switching message; or  Determining the mapping mode;  Transmitting, according to the mapping mode, a mode switching message corresponding to the mapping mode to a network side; or  The mapping mode is determined according to the same contracting protocol as the network side.  3. The method according to claim 1, wherein when the mapping mode is the first mapping mode,  Mapping the each of the plurality of carriers to the at least one power amplifier, respectively, includes: simultaneously mapping each of the plurality of carriers to the plurality of power amplifiers, and time division multiplexing between the different carriers;  Mapping the each of the carriers through the power amplifier to the at least one antenna includes: mapping a carrier that passes through the power amplifier to an antenna corresponding to the power amplifier.  4. The method according to claim 1, wherein when the mapping mode is the second mapping mode,  The mapping each of the plurality of carriers to the at least one power amplifier separately comprises: mapping each of the plurality of carriers to a power amplifier, and time division multiplexing between the different carriers;  Mapping the each of the carriers through the power amplifier to the at least one antenna includes: simultaneously mapping the carrier through the power amplifier to the at least two antennas. 5. The method according to claim 1, wherein when the mapping mode is a third mapping When shooting mode,  Mapping the each of the plurality of carriers to the at least one power amplifier, respectively, includes: mapping each of the plurality of carriers to a power amplifier;  Mapping each carrier through the power amplifier to a small number of antennas includes: mapping a carrier through the power amplifier to each antenna in turn.  6. The method according to claim 1, wherein when the mapping mode is the fourth mapping mode,  Mapping each of the plurality of carriers to the at least one power amplifier, respectively, includes: mapping each of the plurality of carriers in turn to each power amplifier; and the power amplifier Mapping each carrier to a small number of antennas includes: mapping a carrier that passes through the power amplifier to an antenna corresponding to the power amplifier.  7. The method according to claim 1, wherein when the mapping mode is the fifth mapping mode,  Mapping the each of the plurality of carriers to the at least one power amplifier, respectively, includes: mapping each of the plurality of carriers to a power amplifier;  Mapping each carrier that passes through the power amplifier to a small number of antennas, and transmitting, by the antenna, a carrier mapped to the antenna, including:  Delaying processing of the carrier passing through the power amplifier;  The delay-processed carriers are simultaneously mapped to each antenna, and combined with the carriers of the power amplifiers corresponding to each of the antennas to generate a combined carrier having orthogonality or low correlation with each other;  Each antenna transmits one combined carrier, and the combined carrier includes at least one carrier.  8. The method according to claim 1, wherein when the mapping mode is the sixth mapping mode,  The mapping each of the plurality of carriers to the at least one power amplifier separately includes: delaying processing each of the plurality of carriers; The delayed processed carrier is mapped to a power amplifier, and combined with other carriers mapped to the power amplifier to generate a combined carrier having orthogonality or low correlation with each other, so that the combined carrier passes through Power amplifier; Mapping each carrier that passes through the power amplifier to a small number of antennas, and transmitting, by the antenna, a carrier mapped to the antenna, including:  Mapping the combined carrier through the power amplifier to an antenna corresponding to the power amplifier;  Each antenna transmits one combined carrier, and the combined carrier includes at least one carrier.  The method according to claim 1, wherein the method further comprises: determining a remaining transmit power according to the mapping mode, where the remaining transmit power is a basis for the network side to perform scheduling and sending mode switching messages. ;  The remaining transmit power is transmitted to the network side.  10. A user equipment, comprising:  a first mapping module, configured to map each of the multiple carriers to the at least one power amplifier according to the mapping mode;  a second mapping module, configured to map each carrier that passes through the power amplifier to the at least one antenna according to the mapping mode, and transmit, by using the antenna, a carrier mapped to the antenna; and the plurality of the power amplifiers, For power amplification of a carrier mapped to the power amplifier;  A plurality of said antennas for transmitting a carrier mapped onto said antenna.  The user equipment according to claim 10, wherein the user equipment further includes:  a receiving module, configured to receive a mode switching message sent by the network side;  a first determining module, configured to determine, according to the mode switching message received by the receiving module, the mapping mode; or the user equipment further includes:  a first determining module, configured to determine the mapping mode;  a first sending module, configured to send, according to the mapping mode determined by the first determining module, a mode switching message corresponding to the mapping mode to the network side; or the user equipment further includes:  And a first determining module, configured to determine the mapping mode according to an agreement protocol that is the same as the network side.  12. The user equipment according to claim 10, characterized in that: The first mapping module is specifically configured to map each carrier of multiple carriers to multiple functions simultaneously On the rate amplifier, time division multiplexing between different carriers;  The second mapping module is specifically configured to map a carrier that passes through the power amplifier to an antenna corresponding to the power amplifier;  The antenna is specifically configured to transmit one carrier through each of the antennas.  13. The user equipment according to claim 10, characterized in that:  The first mapping module is specifically configured to map each of the multiple carriers to a power amplifier, and time division multiplexing between different carriers;  The second mapping module is specifically configured to simultaneously map carriers passing through the power amplifier to at least two antennas;  The antenna is specifically configured to simultaneously transmit the same carrier through each of the antennas.  14. The user equipment according to claim 10, characterized in that:  The first mapping module is specifically configured to map each of the multiple carriers to a power amplifier;  The second mapping module is specifically configured to map a carrier that passes through the power amplifier to each antenna; and  The antenna is specifically configured to transmit one carrier through each of the antennas.  15. The user equipment according to claim 10, wherein:  The first mapping module is specifically configured to map each of the multiple carriers to each power amplifier in turn;  The second mapping module is specifically configured to map a carrier that passes through the power amplifier to an antenna corresponding to the power amplifier;  The antenna is specifically configured to transmit one carrier through each of the antennas.  16. The user equipment according to claim 10, wherein:  The first mapping module is specifically configured to map each of the multiple carriers to a power amplifier;  The second mapping module includes:  a delay unit, configured to delay processing a carrier that passes through the power amplifier; a mapping unit, configured to simultaneously map the delayed processed carrier to each antenna; and a merging unit, configured to: match the delayed processed carrier with each antenna The carriers of the power amplifier are combined to generate a combined carrier having orthogonality or low correlation with each other;  The antenna is specifically configured to transmit one combined carrier through each of the antennas, and the combined carrier includes at least one carrier.  17. The user equipment according to claim 10, characterized in that:  The first mapping module includes:  a delay unit, configured to delay processing each of the multiple carriers;  a mapping unit, configured to map the delayed carrier to a power amplifier; a combining unit, configured to combine the delayed processed carrier with other carriers mapped to the power amplifier to generate mutual a combined carrier having orthogonality or low correlation, such that the combined carrier passes through the power amplifier;  The second mapping module is specifically configured to map a combined carrier that passes through the power amplifier to an antenna corresponding to the power amplifier;  The antenna is specifically configured to transmit one combined carrier through each of the antennas, and the combined carrier includes at least one carrier.  The user equipment according to claim 10, wherein the user equipment further includes:  a second determining module, configured to determine a remaining transmit power according to the mapping mode, where the remaining transmit power is a basis for the network side to perform scheduling and sending mode switching messages;  And a second sending module, configured to send, to the network side, the remaining transmit power determined by the second determining module.