1461153160-276d6176-840d-4af4-b93a-10919cfe43e2

1. A method for creating a conference, comprising:
by a Media Processor (MP), creating a conference context according to a received instruction, and adding a conference control termination on the conference context; and
applying for conference resources according to a received instruction of modifying attributes of the conference control termination, and modifying current attributes of the conference control termination to create a conference.
2. The method of claim 1, wherein after the conference is created, the method further comprises:
by the MP, applying for resources according to information received by the conference control termination about an operation for the conference, and performing the operation.
3. The method of claim 2, wherein:
if the operation for the conference is a playing operation or a recording operation, the information received by the conference control termination about the operation for the conference comprises duration information; the MP starts a timer according to the duration information and terminates the operation through the conference control termination upon expiry of the timer.
4. The method of claim 2, wherein:
if the operation for the conference is a playing operation or a recording operation, the MP presets a Dual Tone Multi-Frequency (DTMF) digit detection event to resolve the instruction sent by a termination side, and starts and terminates the operation accordingly.
5. The method of claim 1, wherein:
the MP uses the conference resources to open a conference room through the conference control termination.
6. A Media Processor (MP), comprising:
a receiving unit, configured to receive an instruction of creating a conference and an instruction of modifying attributes of a conference control termination;
a creating unit, configured to create a conference context according to the instruction of creating the conference;
an adding unit, configured to add the conference control termination on the conference context according to the instruction of creating the conference;
an applying unit, configured to apply for conference resources according to the received instruction of modifying the attributes of the conference control termination; and
a modifying unit, configured to modify current attributes of the conference control termination according to the received instruction of modifying the attributes of the conference control termination.
7. The MP of claim 6, further comprising:
an operating unit, which is controlled by the conference control termination added by the adding unit, and is configured to: apply for resources according to information received by the conference control termination about an operation for the conference, and perform the operation.
8. The MP of claim 6, further comprising:
a conference room unit, which is controlled by the conference control termination added by the adding unit, and is configured to use the conference resources applied for by the applying unit to open a conference room.
9. A system for creating a conference, comprising:
a Media Controller (MC), configured to s end an instruction of creating a conference context, an instruction of adding a conference control termination, and an instruction of modifying attributes of the conference control termination; and
a Media Processor (MP), configured to: create the conference context according to the received instruction of creating the conference context, and add the conference control termination on the conference context according to the received instruction of adding the conference control termination; and apply for conference resources according to the received instruction of modifying the attributes of the conference control termination, and modify current attributes of the conference control termination to create a conference.
10. The system of claim 9, wherein:
the MC sends information about an operation for the conference; and
the MP applies for resources according to the information received by the conference control termination about the operation for the conference, and performs the operation.
11. A method for operating a conference, comprising:
by a Media Processor (MP), adding a conference control termination according to a received instruction in the process of the conference; and
applying for resources according to information received by the conference control termination about an operation for the conference, and performing the operation.
12. The method of claim 11, wherein:
the instruction of adding the conference control termination and the information about the operation for the conference are transmitted through a same message, or transmitted through different messages respectively.
13. The method of claim 11, wherein:
if the operation for the conference is a playing operation or a recording operation, the information received by the conference control termination about the operation for the conference comprises duration information;
the MP starts a timer according to the duration information and terminates the operation through the conference control termination upon expiry of the timer.
14. The method of claim 11, wherein:
if the operation for the conference is a playing operation or a recording operation, the MP presets a Dual Tone Multi-Frequency (DTMF) digit detection event to resolve the instruction sent by a termination side, and starts and terminates the operation accordingly.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

We claim:

1. A computing apparatus arranged to operate within a wireless network including at least one radio sector in which mobile terminals can communicate, the computing apparatus comprising:
network resource allocation logic that operates to request allocation of at least one network resource associated with the radio sector for at least one mobile terminal;
to determine if the allocation of the at least one network resource associated with the radio sector is successful; and,
if the allocation fails, to request the at least one mobile terminal be placed within a dormant mode.
2. A computing apparatus according to claim 1, wherein the network resource allocation logic further operates to continue to request allocation of the at least one network resource associated with the radio sector for the at least one mobile terminal after the allocation has previously failed; to determine if the allocation of the at least one network resource associated with the radio sector is successful after the allocation has previously failed; and, if the allocation is successful, to request the at least one mobile terminal be placed within a connected mode.
3. A computing apparatus according to claim 2, wherein, if a plurality of mobile terminals have been placed within the dormant mode, the network resource allocation logic further operates to select a predetermined queue order for requesting the dormant mobile terminals to be placed within the connected mode.
4. A computing apparatus according to claim 1 further comprising a hard handoff determination logic that operates to determine if a hard handoff from a first radio sector to a second radio sector is necessary for the mobile terminal and, if the hard handoff is necessary, to trigger the operation of the network resource allocation logic for the mobile terminal within the second radio sector.
5. A computing apparatus according to claim 4, wherein the hard handoff determination logic operates to determine if a hard handoff is necessary for the mobile terminal by receiving and processing Pilot Strength Measurement (PSM) messages from the mobile terminal.
6. A computing apparatus according to claim 4, wherein, if the allocation of the at least one network resource associated with the second radio sector for the mobile terminal is successful, the network resource allocation logic further operates to request the de-allocation of any network resources associated with the first radio sector for the mobile terminal.
7. A computing apparatus according to claim 4, wherein the network resource allocation logic further operates to request allocation of the at least one network resource associated with the second radio sector for the mobile terminal if the allocation has previously failed; to determine if the allocation of the at least one network resource associated with the second radio sector is successful after a previous failure; and, if the allocation is successful, to request the mobile terminal be placed within a connected mode.
8. A computing apparatus according to claim 7, wherein the network resource allocation logic further operates to determine whether a predetermined time period has expired since the mobile terminal has been requested to be placed within the dormant mode and, if the predetermined time period has expired, to request the de-allocation of any network resources associated with the first radio sector for the mobile terminal.
9. A computing apparatus according to claim 1, wherein the at least one network resource associated with the radio sector comprises a Data Traffic Channel (DTC) between the mobile terminal and a Radio Access Port (RAP).
10. A computing apparatus according to claim 1, wherein the at least one network resource associated with the radio sector comprises a Dedicated Signalling Channel (DSC) between the mobile terminal and a Radio Access Port (RAP).
11. A computing apparatus according to claim 1, wherein the at least one network resource associated with the radio sector comprises a Segmentation and Distribution Unit (SDU) with in a Radio Access Port (RAP).
12. A computing apparatus according to claim 1, wherein the network resource allocation logic requesting the mobile terminal be placed within a dormant mode comprises requesting the mobile terminal to suspend communications on any of its previously established communication channels.
13. A computing apparatus according to claim 2, wherein the network resource allocation logic requesting the mobile terminal be placed within the dormant mode comprises requesting the mobile terminal to suspend communications on any of its previously established communication channels; and
wherein the network resource allocation logic requesting the mobile terminal be placed within the connected mode comprises requesting the mobile terminal to end the suspension of communications on its previously established communication channels.
14. A computing apparatus according to claim 1, wherein the network resource allocation logic determining if he allocation of he at least one network associated with the radio sector is successful comprises monitoring for an allocation failure message, the reception of the allocation failure message indicating that the allocation of at least one network resource associated with the radio sector failed.
15. A computing apparatus arranged to operate within a wireless network including at least one Radio Access Port (RAP) that communicates with mobile terminals within at least one radio sector, the computing apparatus comprising:
network resource allocation logic that operates to allocate resources associated with the RAP to a mobile terminal and to request that the mobile terminal be placed within a dormant mode if the attempt to allocate resources associated with the RAP to the mobile terminal fails.
16. A wireless communication network comprising a Radio Access Port (RAP) that operates to communicate with mobile terminals within at least one radio sector and a computing apparatus according to claim 15.
17. A computing apparatus arranged to control allocation of network resources for a mobile terminal within a radio sector, the computing apparatus comprising:
means for attempting allocation of at least one network resource associated with the radio sector for the mobile terminal;
means for determining if the allocation of the at least one network resource associated with the radio sector is successful; and
means for requesting the mobile terminal be placed within a dormant mode if the allocation of the at least one network resource associated with the radio sector fails.
18. A computing apparatus according to claim 17, wherein the means for attempting allocation of at least one network resource associated with the radio sector for the mobile terminal and the means for determining if the allocation is successful continue to operate after the allocation has previously failed; and
wherein the computing apparatus further comprises means for requesting the mobile terminal be placed within a connected mode if the allocation is successful after a previous failure.
19. A computing apparatus according to claim 17 further comprising means for determining if a hard handoff from a first radio sector to a second radio sector is necessary for the mobile terminal;
wherein the means for attempting allocation of at least one network resource associated with the radio sector for the mobile terminal operate for the mobile terminal within the second radio sector if the hard handoff is necessary.
20. A computing apparatus according to claim 19 further comprising means for requesting de-allocation of any network resources associated with the first radio sector for the mobile terminal if the allocation of the at least one network resource associated with the second radio sector for the mobile terminal is successful.
21. A method for allocating network resources associated with a radio sector to a mobile terminal comprising:
attempting to allocate at least one network resource associated with the radio sector to the mobile terminal; and
if the allocation of the at least one network resource fails, requesting the mobile terminal be placed within a dormant mode.
22. A method according to claim 21 further comprising:
attempting to allocate the at least one network resource associated with the radio sector to the mobile terminal after the allocation has previously failed; and
if the allocation of the at least one network resource is successful after previously failing, requesting the mobile terminal be placed within a connected mode.
23. A method for performing a hard handoff of a mobile terminal from a first radio sector to a second radio sector comprising:
determining if network resources of the second radio sector are sufficient for the mobile terminal; and
if the network resources of the second radio sector are not sufficient for the mobile terminal, instructing the mobile terminal to be placed within a dormant mode until sufficient network resources for the mobile terminal are available.
24. A wireless communication network comprising:
first and second Radio Access Ports (RAPs) that operate to communicate with mobile terminals within at least first and second radio sectors respectively; and
a computing apparatus that operates:
(a) to detect if a mobile terminal communicating with the first RAP requires a hard handoff from the first radio sector to the second radio sector;
(b) to attempt to allocate at least one resource associated with the second RAP to the mobile terminal if a hard handoff is required; and
(c) to request the mobile terminal be placed into a dormant mode if the attempt to allocate the at least one resource fails.
25. A network according to claim 24, wherein the computing apparatus comprises a Handoff Manager (HM) and a Radio Link Access (RLA), the HM performing operation (a) and the RLA performing operations (b) and (c) with instructions from the HM.
26. A computing apparatus arranged to operate within a wireless network including at least one radio sector in which mobile terminals can communicate, the computing apparatus comprising:
network resource allocation logic that operates to determine the availability of at least one network resource associated with the radio sector and, if the at least one network resource associated with the radio sector is determined to have insufficient bandwidth for current traffic, to request at least one of the mobile terminals be placed within a dormant mode.
27. A computing apparatus according to claim 26, wherein the network resource allocation logic selects the at least one of the mobile terminals to be placed within a dormant mode based upon a priority system.
28. A computing apparatus according to claim 26, wherein the network resource allocation logic further operates to determine the availability of the at least one network resource associated with the radio sector and, if the at least one network resource associated with the radio sector is determined to have sufficient bandwidth for current traffic and the mobile terminal placed within the dormant mode, to request the mobile terminal be placed within a connected mode.
29. A computing apparatus according to claim 28, wherein, if a plurality of mobile terminals have been placed within the dormant mode, the network resource allocation logic further operates to select a predetermined queue order for requesting the dormant mobile terminals to be placed within the connected mode.

1461153149-64f02e18-63b0-4ba5-8b15-c9d4d8b09175

What is claimed is:

1. An environmental control system comprising:
an air conditioning machine comprising a first turbine, a second turbine and a compressor;
a condenser in communication with an outlet from said first turbine;
a water collector in communication with said condenser;
a liquid cycle subsystem comprising an air-to-liquid heat exchanger in communication with said water collector and an inlet to said first turbine; and
a first heat load in heat exchange relationship with said liquid cycle subsystem.
2. The environmental control system as recited in claim 1, further comprising an air-to-air heat exchanger in communication with an outlet of said compressor, said air-to-air heat exchanger in communication with an inlet to said reheater.
3. The environmental control system as recited in claim 1, further comprising a primary air-to-air heat exchanger in communication with an inlet to said compressor, said air-to-air heat exchanger in communication with a bleed air source.
4. The environmental control system as recited in claim 1, wherein said condenser is in communication with a reheater, said reheater in communication with an inlet to said second turbine.
5. The environmental control system as recited in claim 1, further comprising a second liquid cycle subsystem comprising a second air-to-liquid heat exchanger in communication with an outlet from said second turbine, and a second heat load in heat exchange relationship with said second liquid cycle subsystem.
6. The environmental control system as recited in claim 5, further comprising an air load in communication with an outlet from said second air-to-liquid heat exchanger.
7. The environmental control system as recited in claim 5, wherein said liquid cycle subsystem is independent from said second liquid cycle subsystem.
8. The environmental control system as recited in claim 5, wherein an operating temperature of said second heat load is lower than an operating temperature of said first heat load.
9. The environmental control system as recited in claim 1, wherein an outlet temperature of said first turbine is above freezing.
10. The environmental control system as recited in claim 1, wherein an outlet temperature of said second turbine is below freezing.
11. An environmental control system comprising:
an air conditioning machine comprising a first turbine, a second turbine and a compressor;
a condenser in communication with an outlet from said first turbine;
a water collector in communication with said condenser;
a first liquid cycle subsystem comprising a first air-to-liquid heat exchanger in communication with said water collector and an inlet to said first turbine;
a first heat load in heat exchange relationship with said first liquid cycle subsystem;
an outlet of said condenser in communication with an inlet of a reheater, and an outlet of said reheater in communication with an inlet of said second turbine;
a second liquid cycle subsystem comprising a second air-to-liquid heat exchanger in communication with an outlet of said second turbine; and
a second heat load in heat exchange relationship with said second liquid cycle subsystem.
12. The environmental control system as recited in claim 11, further comprising a primary air-to-air heat exchanger in communication with an inlet to said compressor, said primary air-to-air heat exchanger in communication with a bleed air source.
13. The environmental control system as recited in claim 12, further comprising a secondary air-to-air heat exchanger in communication with an outlet of said compressor, said secondary air-to-air heat exchanger in communication with an inlet to said reheater.
14. The environmental control system as recited in claim 13, wherein said outlet from said first turbine communicates with said condenser and said reheater such that expanded air flow from said first turbine recovers thermal energy from an air flow downstream from said secondary air-to-air heat exchanger.
15. The environmental control system as recited in claim 11, wherein said water collector comprises a high pressure water collector.
16. A method of conditioning water vapor bearing bleed air for supply as conditioned air comprising the steps of:
(1) communicating a bleed air to a reheater to extract thermal energy from the bleed air;
(2) condensing the bleed air after said step (1);
(3) extracting water from the bleed air after said step (2) such that the bleed air is dehumidified; and
(4) communicating the dehumidified bleed of said step (3) air through an air-liquid heat exchanger of a first liquid cycle subsystem such that the dehumidified bleed air recovers thermal energy from the first liquid cycle subsystem.
17. A method as recited in claim 16, further comprising the step of compressing the bleed air prior to communicating the bleed air to the reheater in said step (1).
18. A method as recited in claim 17, further comprising the step of communicating the compressed bleed air through an air-to-air heat exchanger to extract thermal energy from the bleed air prior to communicating the bleed air to the reheater in said step (1).
19. A method as recited in claim 16, wherein said step (2) comprises condensing the bleed air as droplets within the condenser.
20. A method as recited in claim 16, further comprising the steps of:
(5) communicating the substantially dehumidified bleed air from the air-liquid heat exchanger to a turbine after said step (4);
(6) expanding the bleed air in the turbine after said step (5); and
(7) communicating the expanded bleed air through the condenser after said step (6) such that the expanded bleed air recovers thermal energy from the condenser.
21. A method as recited in claim 20, further comprising communicating the expanded bleed air from the condenser through the reheater such that the expanded bleed air recovers thermal energy from the reheater.
22. A method of conditioning water vapor bearing bleed air for supply as conditioned air comprising the steps of:
(1) communicating a bleed air to a compressor;
(2) compressing the bleed air;
(3) communicating the compressed bleed air through an air-to-air heat exchanger to extract thermal energy from the bleed air;
(4) communicating the bleed air from the air-to-air heat exchanger to a reheater to extract thermal energy from the bleed air;
(5) condensing the bleed air after said step (4);
(6) extracting water from the bleed air after said step (5) such that the bleed air is dehumidified;
(7) communicating the dehumidified bleed air through an air-liquid heat exchanger of a first liquid cycle subsystem such that the dehumidified bleed air recovers thermal energy from the first liquid cycle subsystem;
(8) communicating the dehumidified bleed air to a first turbine;
(9) expanding the bleed air in the first turbine such that the expanded bleed air is above freezing;
(10) communicating the expanded bleed air from said step (9) through the condenser such that the expanded bleed air recovers thermal energy from the condenser;
(11) communicating the expanded bleed air from said step (10) through a reheater such that the expanded bleed air recovers thermal energy from the reheater; and
(12) communicating the expanded bleed air to a second turbine.
23. A method as recited in claim 22, further comprising the steps of:
(13) expanding the bleed air in the second turbine after said (12) such that said expanded bleed air is below freezing; and
(14) communicating the expanded bleed air through a second air-liquid heat exchanger of a second liquid cycle subsystem such that the expanded bleed air recovers thermal energy from the second liquid cycle subsystem.
24. A method as recited in claim 23, further comprising communicating the expanded bleed air from the second liquid cycle subsystem to an air load such that the expanded bleed air absorbs thermal energy from the air load.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A hybrid solar cell comprising:
a semiconductor wafer having a predetermined polarity;
a first semiconductor layer on one surface of the semiconductor wafer, the first semiconductor layer comprising (i) a lightly doped first semiconductor layer on the one surface of the semiconductor wafer and (ii) a highly doped first semiconductor layer on the lightly doped first semiconductor layer;
a second semiconductor layer on another surface of the semiconductor wafer, wherein the second semiconductor layer has a polarity different from a polarity of the first semiconductor layer;
a first electrode on the first semiconductor layer; and
a second electrode on the second semiconductor layer.
2. The hybrid solar cell of claim 1, wherein the second semiconductor layer comprises:
a lightly doped second semiconductor layer on the other surface of the semiconductor wafer; and
a highly doped second semiconductor layer on the lightly doped second semiconductor layer.
3. The hybrid solar cell of claim 1, further comprising a first transparent conductive layer between the first semiconductor layer and the first electrode.
4. The hybrid solar cell of claim 1, further comprising a second transparent conductive layer between the second semiconductor layer and the second electrode.
5. The hybrid solar cell of claim 1, wherein the first electrode comprises a plurality of first electrodes, and the plurality of first electrodes are separated at fixed intervals sufficient to permit solar rays to pass therethrough.
6. The hybrid solar cell of claim 1, wherein the predetermined polarity of the semiconductor wafer and the polarity of the second semiconductor layer are the same.
7. The hybrid solar cell of claim 6, wherein:
the semiconductor wafer comprises an N-type semiconductor wafer;
the first semiconductor layer comprises a P-type semiconductor layer; and
the second semiconductor layer comprises an N-type semiconductor layer.
8. A method for manufacturing a hybrid solar cell comprising:
forming a first semiconductor layer on one surface of a semiconductor wafer having a predetermined polarity, wherein forming the first semiconductor layer comprises (i) forming a lightly doped first semiconductor layer on the one surface of the semiconductor wafer and (ii) forming a highly doped first semiconductor layer on the lightly doped first semiconductor layer; forming a second semiconductor layer on another surface of the semiconductor wafer, wherein the second semiconductor layer has a polarity different from a polarity of the first semiconductor layer;
forming a first electrode on the first semiconductor layer; and
forming a second electrode on the second semiconductor layer.
9. The method of claim 8, wherein forming the lightly doped first semiconductor layer and forming the highly doped first semiconductor layer are sequentially carried out in one chamber.
10. The method of claim 9, wherein:
forming the lightly doped first semiconductor layer is carried out without additionally supplying a predetermined dopant to the chamber prepared in a predetermined dopant atmosphere; and
forming the highly doped first semiconductor layer is carried out by additionally supplying the predetermined dopant to the chamber.
11. The method of claim 9, wherein forming the lightly doped first semiconductor layer comprises supplying a predetermined first amount of dopant to the chamber, and forming the highly doped first semiconductor layer comprises supplying a predetermined second amount of dopant to the chamber, wherein the predetermined second amount of dopant is larger than the predetermined first amount of dopant.
12. The method of claim 8, wherein forming the second semiconductor layer comprises:
forming a lightly doped second semiconductor layer on the other surface of the semiconductor wafer; and
forming a highly doped second semiconductor layer on the lightly doped second semiconductor layer.
13. The method of claim 12, wherein forming the lightly doped second semiconductor layer and forming the highly doped second semiconductor layer are sequentially carried out in one chamber.
14. The method of claim 8, further comprising forming a first transparent conductive layer between forming the first semiconductor layer and forming the first electrode.
15. The method of claim 8, further comprising forming a second transparent conductive layer between forming the second semiconductor layer and forming the second electrode.
16. The method of claim 8, wherein forming the first electrode comprises forming a plurality of first electrodes separated at fixed intervals sufficient to permit solar rays to pass therethrough.
17. The method of claim 8, wherein:
the first electrode is formed after forming the first semiconductor layer;
the second semiconductor layer is formed after forming the first electrode; and
the second electrode is formed after forming the second semiconductor layer.
18. The method of claim 8, wherein:
the semiconductor wafer comprises an N-type semiconductor wafer;
the first semiconductor layer comprises a P-type semiconductor layer; and
the second semiconductor layer comprises an N-type semiconductor layer.