MAC-HS processing in an HSDPA-compatible receiver in a 3G wireless network
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04J-003/24
H04L-012/28
H04L-012/54
출원번호
US-0161762
(2007-02-07)
등록번호
US-8660145
(2014-02-25)
국제출원번호
PCT/US2007/061766
(2007-02-07)
§371/§102 date
20080722
(20080722)
국제공개번호
WO2007/092887
(2007-08-16)
발명자
/ 주소
Carmon, Rafael
Issakov, Simon
출원인 / 주소
Agere Systems LLC
대리인 / 주소
Mendelsohn, Drucker & Dunleavy, P.C.
인용정보
피인용 횟수 :
7인용 특허 :
4
초록▼
In one embodiment, a method for processing a series of MAC-hs protocol data units (PDUs) in an HSDPA-compatible (high-speed downlink packet access) receiver in a 3G wireless communication network, the method including: (a) receiving a MAC-hs PDU having: (i) a queue identification (QID), (ii) a trans
In one embodiment, a method for processing a series of MAC-hs protocol data units (PDUs) in an HSDPA-compatible (high-speed downlink packet access) receiver in a 3G wireless communication network, the method including: (a) receiving a MAC-hs PDU having: (i) a queue identification (QID), (ii) a transmission sequence number (TSN), and (iii) one or more MAC-d PDUs, (b) then disassembling the MAC-hs PDU (c) then distributing the one or more MAC-d PDU to a reordering queue indicated by the QID, and (d) then performing reordering processing for the corresponding reordering queue based on the TSN. Steps (a) and (b) are performed in a physical layer of the receiver. Steps (c) and (d) are performed in a data-link layer of the receiver.
대표청구항▼
1. A method for processing a series of first-type protocol data units (PDUs) in a receiver in a communication network, the method comprising: (a) receiving a first-type PDU comprising: (i) a queue identification (QID);(ii) a transmission sequence number (TSN); and(iii) one or more second-type PDUs;(
1. A method for processing a series of first-type protocol data units (PDUs) in a receiver in a communication network, the method comprising: (a) receiving a first-type PDU comprising: (i) a queue identification (QID);(ii) a transmission sequence number (TSN); and(iii) one or more second-type PDUs;(b) then disassembling the first-type PDU;(c) then distributing the one or more second-type PDUs to a reordering queue indicated by the QID; and(d) then performing reordering processing for the corresponding reordering queue based on the TSN, wherein: the receiver has a protocol stack comprising a physical layer and a data-link layer; andsteps (a) and (b) are performed in the physical layer. 2. The method of claim 1, wherein the communication network is a wireless communication network. 3. The method of claim 2, wherein the first- and second-type PDUs are based on a Third-Generation Partnership Project (3GPP) wireless standard. 4. The method of claim 3, wherein each first-type PDU is based on a MAC-hs PDU of the 3GPP wireless standard and each second-type PDU is based on a MAC-d PDU of the 3GPP wireless standard. 5. The method of claim 3, wherein the receiver is part of a user equipment (UE) compatible with the 3GPP wireless standard. 6. The method of claim 3, wherein the receiver is compatible with a high-speed downlink packet access (HSDPA) protocol of the 3GPP wireless standard. 7. The method of claim 3, further comprising, after step (d): (e) then providing the one or more second-type PDUs to a MAC-d entity in the receiver. 8. The method of claim 1, wherein steps (c) and (d) are performed in the data-link layer. 9. The method of claim 8, wherein the first-type PDU is received from a Hybrid Automatic Repeat Request (HARM) entity located in the physical layer. 10. The method of claim 8, wherein: steps (a) and (b) are performed by a baseband integrated circuit (IC) adapted to implement the physical layer of the receiver; andsteps (c) and (d) are performed by an Advanced RISC Machine (ARM) processor adapted to implement the data-link layer of the receiver. 11. The method of claim 1, wherein: step (b) further comprises enveloping each second-type PDU in a corresponding envelope comprising the QID and the TSN;step (c) comprises distributing each second-type PDU to the reordering queue indicated by the QID in the corresponding envelope; andstep (d) comprises performing reordering processing for each second-type PDU based on the TSN in the corresponding envelope. 12. The method of claim 11, wherein: each second-type PDU comprises a second-type header and a second-type service data unit (SDU); andstep (b) further comprises adding one or more padding bits to the enveloped second-type PDU to ensure address alignment. 13. The method of claim 1, further comprising, after step (b) and before step (c), decrypting an encrypted payload of at least one second-type PDU. 14. The method of claim 13, wherein: the receiver has a protocol stack comprising a physical layer and a data-link layer; andthe decrypting is performed in the physical layer. 15. The method of claim 14, further comprising receiving from the data-link layer one or more parameters for the decrypting. 16. The method of claim 1, wherein: the communication network is a wireless communication network;the first-type PDU is a based on a MAC-hs PDU of a 3GPP wireless standard and the second-type PDU is based on a MAC-d PDU of the 3GPP wireless standard;the receiver is part of a user equipment (UE) compatible with the 3GPP wireless standard;the receiver is compatible with a high-speed downlink packet access (HSDPA) protocol of the 3GPP wireless standard;the first-type PDU is received from a Hybrid Automatic Repeat Request (HARM) entity located in the physical layer; andsteps (c) and (d) are performed in the data link layer. 17. The method of claim 16, further comprising: after step (b), decrypting an encrypted payload of at least one second-type PDU, wherein the decrypting is performed in the physical layer; andreceiving from the data-link layer one or more parameters for the decrypting. 18. The method of claim 1, wherein: each second-type PDU comprises: a second-type header; anda second-type service data unit (SDU);step (b) comprises address-aligning the one or more constituent second-type SDUs from the first-type PDU to generate a modified first-type PDU; andsteps (c) and (d) are performed on the modified first-type PDU that comprises the one or more second-type PDUs. 19. The method of claim 18, further comprising, after step (d), then providing the one or more address-aligned second-type SDUs to a MAC-d entity in the receiver. 20. The method of claim 18, wherein step (b) further comprises address-aligning the one or more second-type headers in generating the modified first-type PDU. 21. The method of claim 20, wherein address-aligning comprises inserting one or more padding bits. 22. A receiver for a communication network, the receiver adapted to process a series of first-type protocol data units (PDUs), the receiver comprising: (a) a disassembly entity adapted to: (i) receive the series of first-type PDUs, wherein each first-type PDU comprises: (1) a queue identification (QID);(2) a transmission sequence number (TSN); and(3) one or more second-type PDUs; and(ii) then disassemble each first-type PDU;(b) a reordering-queue distribution entity adapted to distribute the one or more second-type PDUs to a reordering queue indicated by the QID; and(c) one or more reordering entities, each adapted to perform reordering processing for the corresponding reordering queue based on the TSN, wherein: the receiver has a protocol stack comprising a physical layer and a data-link layer; andthe disassembly entity is implemented in the physical layer. 23. A method for processing a series of first-type protocol data units (PDUs) in a receiver in a communication network, the method comprising: (a) receiving a first-type PDU comprising: (i) a queue identification (QID);(ii) a transmission sequence number (TSN); and(iii) one or more second-type PDUs;(b) then disassembling the first-type PDU;(c) then distributing the one or more second-type PDUs to a reordering queue indicated by the QID; and(d) then performing reordering processing for the corresponding reordering queue based on the TSN, wherein: step (b) further comprises enveloping each second-type PDU in a corresponding envelope comprising the QID and the TSN;step (c) comprises distributing each second-type PDU to the reordering queue indicated by the QID in the corresponding envelope; andstep (d) comprises performing reordering processing for each second-type PDU based on the TSN in the corresponding envelope. 24. The method of claim 23, wherein: each second-type PDU comprises a second-type header and a second-type service data unit (SDU); andstep (b) further comprises adding one or more padding bits to the enveloped second-type PDU to ensure address alignment.
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