Method, apparatus and system for bearing circuit switched domain service data over radio bearer

• US 9,572,141 B2
• Filed: 11/12/2014
• Issued: 02/14/2017
• Est. Priority Date: 08/01/2007
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Tang, Zongquan, Wang, Xinfa, Du, Jiancheng, Chen, Li, Liu, Xialing, Xia, Limin
• Primary Examiner(s): RENNER, BRANDON M
• Application Number:
  US14/539,663
• Publication Number:
  US 20150071221A1
• Time in Patent Office: 825 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04L 12/4633 Interconnection of networks using encapsulation techniques, e.g. tunneling
• CPC Class Codes: H04L 5/0044 allocation of payload
• CPC Class Codes: H04L 5/0064 Rate requirement of the data, e.g. scalable bandwidth, data priority
• CPC Class Codes: H04W 28/18 Negotiating wireless communication parameters
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/53 based on regulatory allocation policies
• CPC Class Codes: H04W 76/12 Setup of transport tunnels
• CPC Class Codes: H04W 76/16 Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

A method for bearing CS-domain service data over radio bearer is disclosed. The method includes: letting CS-domain service data be borne over a radio high-speed packet data access channel according to a channel mapping relation between CS-domain service data and the radio high-speed packet data access channel. An apparatus and a system are also provided herein.

Claims

1. A method for processing circuit switched domain (CS-domain) service data, wherein the CS-domain service data is an adaptive multi-rate (AMR) speech service comprising substreams A, B and C with different importance classes, the method comprising:

encapsulating the substreams A, B and C into one speech frame when determining both a network and a user equipment (UE) support a radio high-speed uplink packet data access channel to transmit the CS-domain service data;

mapping the speech frame onto one radio bearer (RB); and

mapping the RB to the radio high-speed packet data access channel;

wherein the speech frame comprises;

frame type, payload, and padding, wherein the frame type has a fixed length and represents an adaptive multi-rate or adaptive multi-rate wideband (AMR/AMR-WB) coding mode, the payload is a data made up of the concatenated the substreams A, B and C, and the padding is a filler bit, when a sum of the frame type and the payload is out of alignment against bytes, several bits are used as a padding to make the whole speech frame aligned against bytes.

2. The method of claim 1, further comprising:

determining, by the network, whether the network receives capability indication information indicating whether the UE supports the radio high-speed packet data access channel to transmit the CS-domain service data from the UE;

determining, by the network, that the UE supports the high-speed packet data access channel to transmit the CS-domain service data if the network receives the capability indication information and the capability indication information indicates that the UE supports the radio high-speed packet data access channel to transmit the CS-domain service data; and

determining, by the network, that the UE does not support the high-speed packet data access channel to transmit the CS-domain service data if the network does not receive the capability indication information or if the network receives the capability indication information but the capability indication information indicates that the UE does not support the radio high-speed packet data access channel to transmit the CS-domain service data.

3. The method of claim 1, wherein mapping the RB to the radio high-speed packet data access channel comprises:

encapsulating, by the network, the RB with radio link control (RLC) protocol;

mapping, by the network, the RLC to a dedicated traffic channel (DTCH);

mapping, by the network, the DTCH to a high speed download packet access (HSDPA) downlink shared channel (HS-DSCH); and

mapping, by the network, the HS-DSCH to a high speed physical downlink shared channel (HS-PDSCH).

4. The method of claim 1, wherein mapping the RB to the radio high-speed packet data access channel comprises:

encapsulating, by the UE, the RB with radio link control (RLC) protocol;

mapping, by the UE, the RLC to a dedicated traffic channel (DTCH);

mapping, by the UE, the DTCH to an enhanced dedicated channel (E-DCH); and

mapping, by the UE, the E-DCH to an enhanced dedicated physical data channel (E-DPDCH).

5. The method of claim 1, wherein importance of the substream A is greater than that of the substream B, and the importance of the substream B is greater than that of the substream C.

6. A method for processing circuit switched domain (CS-domain) service data, the method comprising:

encapsulating the CS-domain service data into one data frame when determining both a network and a user equipment (UE) support a radio high-speed uplink packet data access channel to transmit the CS-domain service data;

mapping the data frame onto one radio bearer (RB); and

mapping the RB to the radio high-speed packet data access channel;

wherein the data frame is a packet data convergence protocol (PDCP) protocol data unit (PDU), and the PDCP PDU comprises;

a PDU type field, an adaptive multi-rate or adaptive multi-rate wideband (AMR/AMR-WB) mode index field, a speech data field and a padding field, wherein,

the PDU type field has a length of three bits and is configured to identify type of the PDCP PDU;

the AMR/AMR-WB mode index field has a length of five bits and is configured to identify an AMR/AMR-WB coding mode;

the speech data field has a not-fixed length and comprises all connected substreams of the CS-domain speech service; and

the padding field is applied to accomplish alignment when the speech data field is not aligned against bytes;

or

wherein the data frame is a packet data convergence protocol (PDCP) protocol data unit (PDU), and the PDCP PDU comprises;

a PDU type field, an adaptive multi-rate or adaptive multi-rate wideband (AMR/AMR-WB) mode index field, a speech data field, a time stamp field, and a padding field, wherein,

the PDU type field has a length of three bits and is configured to identify type of the PDCP PDU;

the AMR/AMR-WB mode index field has a length of five bits and is configured to identify an AMR/AMR-WB coding mode;

the speech data field has a not-fixed length and comprises all connected substreams of the CS-domain speech service;

the time stamp field identifies a relative time of sending speech service data of the CS-domain service data, and has a length of eight bits; and

the padding field is applied to accomplish alignment when the speech data field is not aligned against bytes;

or

wherein the data frame is a circuit service convergence protocol (CSCP) data frame, wherein the CSCP data frame comprises;

a data type field, a mode/bit rate field, a sequence number indicator (SI) field, sequence number field, an extension (E) field, a time stamp field, a data field, and a padding field, wherein,

the data type field indicates a type of the CS-domain service data;

the mode/bit rate field indicates a length of the data field;

when the type of the CS-domain service data is speech service, the mode/bit rate field indicates coding and decoding mode of the speech service;

when the type of the CS-domain service data is a service other than speech service, the mode/bit rate field indicates a service rate;

the SI field indicates whether a next byte is a sequence number field or a data field;

the sequence number field indicates a sequence number of the CSCP data and is an optional field;

the E field indicates whether a next byte is a time stamp field or a data field;

the time stamp field indicates a time stamp and is an optional field;

the data field includes the CS-domain service data; and

the padding field is applied to accomplish alignment when the data field is not aligned against bytes.

7. An apparatus for processing circuit switched domain (CS-domain) service data, wherein the CS-domain service data is an adaptive multi-rate (AMR) speech service comprising substreams A, B and C with different importance classes, the apparatus comprising:

a processor configured to;

encapsulate the substreams A, B and C into one speech frame when determining both a network and a user equipment (UE) support a radio high-speed uplink packet data access channel to transmit the CS-domain service data;

map the speech frame onto one radio bearer (RB); and

map the RB to the radio high-speed packet data access channel;

wherein the speech frame comprises;

frame type, payload, and padding, wherein the frame type has a fixed length and represents an adaptive multi-rate or adaptive multi-rate wideband (AMR/AMR-WB) coding mode, the payload is a data made up of the concatenated the substreams A, B and C, and the padding is a filler bit, when a sum of the frame type and the payload is out of alignment against bytes, several bits are used as a padding to make the whole speech frame aligned against bytes.

8. The apparatus of claim 7, wherein the apparatus is a network node and the processor is further configured to:

determine whether the network receives capability indication information indicating whether the UE supports the radio high-speed packet data access channel to transmit the CS-domain service data from the UE;

determine that the UE supports the high-speed packet data access channel to transmit the CS-domain service data if the network receives the capability indication information and the capability indication information indicates that the UE supports the radio high-speed packet data access channel to transmit the CS-domain service data; and

determine that the UE does not support the high-speed packet data access channel to transmit the CS-domain service data if the network does not receive the capability indication information or if the network receives the capability indication information but the capability indication information indicates that the UE does not support the radio high-speed packet data access channel to transmit the CS-domain service data.

9. The apparatus of claim 7, wherein the apparatus is a network node and the processor is further configured to:

encapsulate the RB with radio link control (RLC) protocol;

map the RLC to a dedicated traffic channel (DTCH);

map the DTCH to a high speed download packet access (HSDPA) downlink shared channel (HS-DSCH); and

map the HS-DSCH to a high speed physical downlink shared channel (HS-PDSCH).

10. The apparatus of claim 7, wherein the apparatus is the UE and the processor is further configured to:

encapsulate the RB with radio link control (RLC) protocol;

map the RLC to a dedicated traffic channel (DTCH);

map the DTCH to an enhanced dedicated channel (E-DCH); and

map the E-DCH to an enhanced dedicated physical data channel (E-DPDCH).

11. The apparatus of claim 7, wherein importance of the substream A is greater than that of the substream B, and the importance of the substream B is greater than that of the substream C.

12. An apparatus for processing circuit switched domain (CS-domain) service data, the apparatus comprising:

a processor configured to;

encapsulate the CS-domain service data into one data frame when determining both a network and a user equipment (UE) support a radio high-speed uplink packet data access channel to transmit the CS-domain service data;

map the data frame onto one radio bearer (RB); and

map the RB to the radio high-speed packet data access channel;

wherein the data frame is a packet data convergence protocol (PDCP) protocol data unit (PDU), and the PDCP PDU comprises;

a PDU type field, an adaptive multi-rate or adaptive multi-rate wideband (AMR/AMR-WB) mode index field, a speech data field and a padding field, wherein,

the PDU type field has a length of three bits and is configured to identify type of the PDCP PDU;

the AMR/AMR-WB mode index field has a length of five bits and is configured to identify an AMR/AMR-WB coding mode;

the speech data field has a not-fixed length and comprises all connected substreams of the CS-domain speech service; and

the padding field is applied to accomplish alignment when the speech data field is not aligned against bytes;

or

wherein the data frame is a packet data convergence protocol (PDCP) protocol data unit (PDU), and the PDCP PDU comprises;

a PDU type field, an adaptive multi-rate or adaptive multi-rate wideband (AMR/AMR-WB) mode index field, a speech data field, a time stamp field, and a padding field, wherein,

the PDU type field has a length of three bits and is configured to identify type of the PDCP PDU;

the AMR/AMR-WB mode index field has a length of five bits and is configured to identify an AMR/AMR-WB coding mode;

the speech data field has a not-fixed length and comprises all connected substreams of the CS-domain speech service;

the time stamp field identifies a relative time of sending speech service data of the CS-domain service data, and has a length of eight bits; and

the padding field is applied to accomplish alignment when the speech data field is not aligned against bytes;

or

wherein the data frame is a circuit service convergence protocol (CSCP) data frame, wherein the CSCP data frame comprises;

a data type field, a mode/bit rate field, a sequence number indicator (SI) field, sequence number field, an extension (E) field, a time stamp field, a data field, and a padding field, wherein,

the data type field indicates a type of the CS-domain service data;

the mode/bit rate field indicates a length of the data field;

when the type of the CS-domain service data is speech service, the mode/bit rate field indicates coding and decoding mode of the speech service;

when the type of the CS-domain service data is a service other than speech service, the mode/bit rate field indicates a service rate;

the SI field indicates whether a next byte is a sequence number field or a data field;

the sequence number field indicates a sequence number of the CSCP data and is an optional field;

the E field indicates whether a next byte is a time stamp field or a data field;

the time stamp field indicates a time stamp and is an optional field;

the data field includes the CS-domain service data; and

the padding field is applied to accomplish alignment when the data field is not aligned against bytes.

13. A computer readable medium comprising:

a computer program stored in a non-transitory medium that, when executed by a digital processor, causes the processor to perform operations comprising;

encapsulating substreams A, B and C with different importance classes of CS-domain service data into one speech frame when determining both a network and a user equipment (UE) support a radio high-speed uplink packet data access channel to transmit the CS-domain service data;

mapping the speech frame onto one radio bearer (RB); and

mapping the RB to the radio high-speed packet data access channel;

wherein the speech frame comprises;

frame type, payload, and padding, wherein the frame type has a fixed length and represents an adaptive multi-rate or adaptive multi-rate wideband (AMR/AMR-WB) coding mode, the payload is a data made up of the concatenated the substreams A, B and C, and the padding is a filler bit, when a sum of the frame type and the payload is out of alignment against bytes, several bits are used as a padding to make the whole speech frame aligned against bytes.

14. The computer readable medium of claim 13, wherein the computer readable medium causes the processor to perform further operations comprising:

encapsulating, by the network, the RB with radio link control (RLC) protocol;

mapping, by the network, the RLC to a dedicated traffic channel (DTCH);

mapping, by the network, the DTCH to a high speed download packet access (HSDPA) downlink shared channel (HS-DSCH); and

mapping, by the network, the HS-DSCH to a high speed physical downlink shared channel (HS-PDSCH).

15. The computer readable medium of claim 13, wherein the computer readable medium causes the processor to perform further operations comprising:

encapsulating, by the UE, the RB with radio link control (RLC) protocol;

mapping, by the UE, the RLC to a dedicated traffic channel (DTCH);

mapping, by the UE, the DTCH to an enhanced dedicated channel (E-DCH); and

mapping, by the UE, the E-DCH to an enhanced dedicated physical data channel (E-DPDCH).

16. The computer readable medium of claim 13, wherein importance of the substream A is greater than that of the substream B, and the importance of the substream B is greater than that of the substream C.