Channel timing method, apparatus, and communication system for multiflow transmission
View Patent ↗Embodiments of the present invention disclose a channel timing method and apparatus for multiflow transmission, where the method includes: configuring time reference information of a non-time reference cell in a case of multiflow transmission; and sending the time reference information to the non-time reference cell, so that the non-time reference cell obtains a high speed dedicated physical control channel (HS-DPCCH) timing by using the time reference information. According to the foregoing solution, time reference information of a non-time reference cell is configured at a higher layer, and is sent to a user equipment, so that the user equipment obtains a high speed dedicated physical control channel (HS-DPCCH) timing by using the time reference information, so that the UE can obtain correct timing relationships between the HS-DPCCH in the non-time reference cell and an uplink DPCH, and between the HS-DPCCH and an HS-PDSCH.
1. A channel timing method for multiflow transmission, the method comprising:
receiving reference information of a non-time reference cell configured by a higher layer; and
obtaining a high speed dedicated physical control channel (HS-DPCCH) timing in the non-time reference cell by using the reference information,
wherein the reference information of the non-time reference cell is a non-time reference, namely, Non-time Reference,
wherein an HS-DPCCH timing of the non-time reference cell is:
m =( T TX _ diff ±Non-time Reference)/256+101;
wherein a range of T TX _ diff is an integral multiple of 256 and a maximum value thereof is 38144 chips, and T TX _ diff is a difference between the following two timings, where one timing is an HS-PDSCH subframe header, and the other timing is a downlink dedicated physical channel (DL DPCH) frame or a fractional dedicated physical channel (F-DPCH) frame header, and the DL DPCH or the F-DPCH frame comprises the HS-PDSCH subframe header, and
wherein Non-time Reference=Γ DIFF ±ΔΓ F-DPCH , wherein Γ DIFF is an HS-PDSCH subframe boundary difference or an HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell, and ΔΓ F-DPCH is an F-DPCH subframe boundary difference, an F-DPCH frame boundary difference, or an F-DPCH symbol boundary difference between the time reference cell and the non-time reference cell.
2. The method according to claim 1 , wherein there is a correspondence between the reference information of the non-time reference cell and the HS-PDSCH subframe boundary difference or the HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell.
3. A channel timing method for multiflow transmission, the method comprising:
receiving reference information of a non-time reference cell configured by a higher layer; and
obtaining a high speed dedicated physical control channel (HS-DPCCH) timing in the non-time reference cell by using the reference information,
wherein the reference information of the non-time reference cell is a non-time reference (Non-time Reference),
wherein an HS-DPCCH timing of the non-time reference cell is
m=round (T TX _ diff ±Non-time Reference)/256+101, wherein round is the rounding operation, a range of T TX _ diff is an integral multiple of 256 and a maximum value thereof is 38144 chips, and T TX _ diff is a difference between the following two timings,
wherein one timing is an HS-PDSCH subframe header, and the other timing is a downlink dedicated physical channel (DL DPCH) frame or a fractional dedicated physical channel (F-DPCH) frame header, and the DL DPCH or the F-DPCH frame comprises the HS-PDSCH subframe header, and
wherein Non-time Reference=Γ DIFF ±ΔΓ F-DPCH , wherein Γ DIFF is an HS-PDSCH subframe boundary difference or an HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell, and ΔΓ F-DPCH is an F-DPCH subframe boundary difference, an F-DPCH frame boundary difference, or an F-DPCH symbol boundary difference between the time reference cell and the non-time reference cell.
4. A channel timing apparatus for multiflow transmission, the channel timing apparatus comprising a user equipment, comprising:
memory;
a receiving device configured to receive reference information of a non-time reference cell configured by a higher layer; and
a processor configured to obtain a high speed dedicated physical control channel (HS-DPCCH) timing in the non-time reference cell by using the reference information, wherein the reference information of the non-time reference cell received by the receiving device is a non-time reference, namely, Non-time Reference, wherein an HS-DPCCH timing of the non-time reference cell is:
m =( T TX _ diff ±Non-time Reference)/256+101;
wherein a range of T TX _ diff is an integral multiple of 256 and a maximum value thereof is 38144 chips, and T TX _ diff is a difference between the following two timings, where one timing is an HS-PDSCH subframe header, and the other timing is a downlink dedicated physical channel (DL DPCH) frame or a fractional dedicated physical channel (F-DPCH) frame header, and the DL DPCH or the F-DPCH frame comprises the HS-PDSCH subframe header, and
wherein Non-time Reference=Γ DIFF ±ΔΓ F-DPCH , wherein Γ DIFF is an HS-PDSCH subframe boundary difference or an HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell, and ΔΓ F-DPCH is an F-DPCH subframe boundary difference, an F-DPCH frame boundary difference, or an F-DPCH symbol boundary difference between the time reference cell and the non-time reference cell.
5. The apparatus according to claim 4 , wherein there is a correspondence between the reference information of the non-time reference cell received by the receiving device and the HS-PDSCH subframe boundary difference or the HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell.
6. A channel timing apparatus for multiflow transmission, the channel timing apparatus comprising a user equipment, comprising:
memory;
a receiving device configured to receive reference information of a non-time reference cell configured by a higher layer; and
a processor configured to obtain a high speed dedicated physical control channel (HS-DPCCH) timing in the non-time reference cell by using the reference information, wherein the reference information of the non-time reference cell received by the receiving device is a non-time reference,
wherein the processor is configured to calculate, in the non-time reference cell, an HS-DPCCH timing of the non-time reference cell by using the following formula: m=round (T TX _ diff ±Non-time Reference)/256+101, wherein round is the rounding operation, a range of T TX _ diff is an integral multiple of 256 and a maximum value thereof is 38144 chips, and T TX _ diff is a difference between the following two timings,
wherein one timing is an HS-PDSCH subframe header, and the other timing is a downlink dedicated physical channel (DL DPCH) frame or a fractional dedicated physical channel (F-DPCH) frame header, and the DL DPCH or the F-DPCH frame comprises the HS-PDSCH subframe header, and
wherein Non-time Reference=Γ DIFF ±ΔΓ F-DPCH wherein Γ DIFF is an HS-PDSCH subframe boundary difference or an HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell, and ΔΓ F-DPCH is an F-DPCH subframe boundary difference, an F-DPCH frame boundary difference, or an F-DPCH symbol boundary difference between the time reference cell and the non-time reference cell.
7. A communication system, comprising:
a radio network controller; and
a user equipment comprising,
a memory,
a receiving device configured to receive reference information of a non-time reference cell configured by the radio network controller, and
a processor is configured to obtain a high speed dedicated physical control channel (HS-DPCCH) timing in the non-time reference cell by using the reference information, wherein the reference information of the non-time reference cell received by the receiving device is a non-time reference, namely, Non-time Reference,
wherein an HS-DPCCH timing of the non-time reference cell is:
m =( T TX _ diff ±Non-time Reference)/256+101;
wherein a range of T TX _ diff is an integral multiple of 256 and a maximum value thereof is 38144 chips, and T TX _ diff is a difference between the following two timings, where one timing is an HS-PDSCH subframe header, and the other timing is a downlink dedicated physical channel (DL DPCH) frame or a fractional dedicated physical channel (F-DPCH) frame header, and the DL DPCH or the F-DPCH frame comprises the HS-PDSCH subframe header, and
wherein Non-time Reference=Γ DIFF ±ΔΓ F-DPCH , wherein Γ DIFF is an HS-PDSCH subframe boundary difference or an HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell, and ΔΓ F-DPCH is an F-DPCH subframe boundary difference, an F-DPCH frame boundary difference, or an F-DPCH symbol boundary difference between the time reference cell and the non-time reference cell.
8. The communication system according to claim 7 , wherein there is a correspondence between the reference information of the non-time reference cell received by the receiving device and the HS-PDSCH subframe boundary difference or the HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell.
9. A communication system, comprising:
a radio network controller; and
a user equipment comprising,
a memory,
a receiving device configured to receive reference information of a non-time reference cell configured by the radio network controller, and
a processor is configured to obtain a high speed dedicated physical control channel (HS-DPCCH) timing in the non-time reference cell by using the reference information,
wherein the reference information of the non-time reference cell received by the receiving device is a non-time reference,
wherein the processor is configured to calculate, in the non-time reference cell, an HS-DPCCH timing of the non-time reference cell by using the following formula: m=round (T TX _ diff ±Non-time Reference)/256+101,
wherein round is the rounding operation, a range of T TX _ diff is an integral multiple of 256 and a maximum value thereof is 38144 chips, and T TX _ diff is a difference between the following two timings,
wherein one timing is an HS-PDSCH subframe header, and the other timing is a downlink dedicated physical channel (DL DPCH) frame or a fractional dedicated physical channel (F-DPCH) frame header, and the DL DPCH or the F-DPCH frame comprises the HS-PDSCH subframe header, and
wherein Non-time Reference=Γ DIFF ±ΔΓ F-DPCH , wherein Γ DIFF is the HS-PDSCH subframe boundary difference or the HS-PDSCH frame boundary difference between the time reference cell and the non-time reference cell, and ΔΓ F-DPCH is an F-DPCH subframe boundary difference, an F-DPCH frame boundary difference, or an F-DPCH symbol boundary difference between the time reference cell and the non-time reference cell.