Wireless communication system with selectively sized data transport blocks
AssigneeInterDigital Technology Corporation
InventorStephen E. Terry
Life of this patent
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Abstract
A wireless transmit receive unit and methods for code division multiple access telecommunications are disclosed that process data in a physical layer and a medium access control (MAC) layer. The physical and MAC layers communicate data between each other via transport channels. The transport channels are associated with logical channels. Logical-channel data for the transport channels is provided in data units having a bit size evenly divisible by an integer N. The respective logical channels associated with a transport channel utilize MAC headers that have a selected modulo N bit size such that there is bit alignment of the MAC headers of all the logical channels associated with a particular transport channel.
Claims22
A wireless transmit receive unit (WTRU) for code division multiple access (CDMA) telecommunications comprising:
- a processor configured to process data in a physical layer and a medium access control (MAC) layer such that the MAC layer communicates data with the physical layer via a plurality of transport channels, where one transport channel is a random access channel (RACH) associated with a set of logical channels including:
- at least one of a dedicated traffic channel (DTCH) and a dedicated control channel (DCCH), and
- at least one of a shared channel control channel (SHCCH) and a common control channel (CCCH);
- said processor configured to process logical-channel data for the RACH in data units having a bit size evenly divisible by N where N is an integer greater than three;
- and
- said processor configured to process logical-channel data for each logical channel within said set of logical channels associated with the RACH with a RACH MAC header that has a selected bit size equal to Mr modulo N bits.
A wireless transmit receive unit (WTRU) for code division multiple access (CDMA) telecommunications comprising:
- a processor configured to process data in a physical layer and a medium access control (MAC) layer such that the MAC layer communicates data with the physical layer via a plurality of transport channels, where one transport channel is a Time Division Duplex (TDD) random access channel (RACH) associated with a set of logical channels including:
- at least one of a dedicated traffic channel (DTCH) and a dedicated control channel (DCCH), and
- at least one of a shared channel control channel (SHCCH) and a common control channel (CCCH);
- and
- said processor configured to associate a RACH MAC header having a selected bit size with each logical channel within said set of logical channels associated with the RACH where each RACH MAC header has a Target Channel Type Field (TCTF) for data identifying a type of logical channel associated with the logical channel data such that the RACH MAC header TCFTs for the dedicated traffic channel (DTCH) and the dedicated control channel (DCCH) have a bit size of four bits and the RACH MAC header TCFTs for the shared channel control channel (SHCCH) and the common control channel (CCCH) have a TCTF bit size of two bits.
A wireless transmit receive unit (WTRU) for code division multiple access (CDMA) telecommunications comprising:
- a processor configured to process data in a physical layer and a medium access control (MAC) layer such that the MAC layer communicates data with the physical layer via a plurality of transport channels, where one transport channel is a Time Division Duplex (TDD) random access channel (RACH) associated with a set of logical channels including a dedicated traffic channel (DTCH), a dedicated control channel (DCCH), a shared channel control channel (SHCCH) and a common control channel (CCCH);
- said processor configured to process a MAC header with respective RACH logical channels where each MAC header has a Target Channel Type Field (TCTF);
- and
- said processor configured to process a MAC header for:
- the RACH DTCH having a TCTF coded with bits 0100;
- the RACH DCCH having a TCTF coded with bits 0100;
- the RACH SHCCH having a TCTF coded with bits 10;
- and
- the RACH CCCH having a TCTF coded with bits 00.
A method for code division multiple access (CDMA) telecommunications comprising:
- providing a wireless transmit receive unit (WTRU) having a physical layer and a medium access control (MAC) layer configured such that the MAC layer communicates data with the physical layer via a plurality of transport channels, where one transport channel is a random access channel (RACH) associated with a set of logical channels including:
- at least one of a dedicated traffic channel (DTCH) and a dedicated control channel (DCCH), and
- at least one of a shared channel control channel (SHCCH) and a common control channel (CCCH);
- processing logical-channel data for the RACH in data units having a bit size evenly divisible by N where N is an integer greater than three;
- and
- processing logical-channel data for logical channels associated with the RACH with RACH MAC headers where each RACH MAC header has a bit size equal to Mr modulo N bits.
Dependencies are inferred from the claim text.